European Journal of Scientific Research ISSN 1450-216X / 1450-202X Vol. 148 No 2 January, 2018, pp. 201-233 http://www. europeanjournalofscientificresearch.com
The Quantized Atomic Masses of the Elements: Part-5; Z=81-99 (Tl-Es)
Bahjat R. J. Muhyedeen College of Science, Baghdad University, Iraq E-mail: [email protected]
Abstract
This paper is the sixthpart of a series of nine of QAM UQAM NMT 2015 Ver 3. An innovative semi-empirical atomic mass formula has been derived to calculate quantized atomic masses more precisely than macro-micro formula and purely microscopic HF-self- consistent methods. It is based on the novel mass quantization and the variable neutron mass concepts of new nuclear theory NMT. It can calculate the atomic masses of non- existent isotopes based on the existing experimentally measured nuclides.The discrepancy(RMS) of the mass model is less than 335 keV for UQAM and 884 keV for QAM for the entire region of ground-state masses of 3160 nucleiranging from 1H to 118 Og.The quantized atomic masses of 15000 nuclei ranging from Z=1 to Z=200 have been calculated, 1230 nuclides of them belong to Z=81-99 (Tl-Es).The results are compared with - + those of other recent macroscopic–microscopic. S n, S p, β , β and α decay energies are also given.
Keyword: nuclear mass formula, neutron mass, atomic masses, new isotopes, super- heavy nuclei, alpha decay
1. Introduction A. Background The explanation of the methods of the evaluation of the atomic masses has been discussed in details infour parts [1-4]of this series of 9 papers. In brief, the methods of theoretical calculations are of two types; hybrid of macroscopic and microscopic and pure HF-SCF models [ 5-51 ].All these theoretical methods calculate the binding energy first and then evaluate the neutral atomic mass. The binding energy are calculated from two parts which may be written as: B.E. = Emac (refined version of liquid drop) + Emic (shell+paring+Wigner terms) (1) And thetheoretical neutral atomic masses are evaluated from the following formula: MA = ZM H+NM N-B.E. (2) But none of these models can be usedwith total confidence due several deficiencies. Consequently, the accurate estimation of the atomic masses of the existent and non-existent isotopes in astrophysics is considered as unsolved problem . The output of most theoretical calculations cannot predict the atomic masses precisely which lead to improper alpha energies and half-lives. The atomic masses calculated by Wang-Audi-Wapstra,WAW et al. [25 ], Moller et al .[ 31 ] and Duflo-Zucker[ 39 ] failed to give the positive incremental difference in alpha energies between two sequential isotopes as we will see later.The mass evaluations usually use short-range connection between close lying neighbors isotopes. The researchers are looking for an extended complicate connectivity between multiple isotopes. The Quantized Atomic Masses of the Elements: Part-5; Z=81-99 (Tl-Es) 202
An immense project was setup in 2010 to solve this problem. In present project a newsemi- empirical polynomial 2 nd strategy is setup to adopt the measured atomic masses, inserting them into special quadratic equations and then extrapolate them to predict the accurate atomic masses for the non-existent element’ isotopes. In this manner, NMT is avoiding any theoretical treatment which lead to inaccuracy in the prediction processes and also use simple long-range relations amongthe element’s multiple isotopes. The new ansatz depends on the pure nuclear property i.e. atomic masses of the nuclei and avoids the external corrections used in the two main approaches in the theoretical description of nuclei. This article is part5 of the immense project. The aim of the project is to find out 1- a quantized mass formula QMF to the elements that have enough isotopes to setup a polynomial equation 2nd based on the available isotope masses (i.e. Z=1-107), it will be called isotopic quantized mass formula IQMF, 2- two quantized mass formula QMF to the elements that do not have enough isotopes (i.e. Z=108-118) to setup a polynomial equation that will create atomic masses for non-existent isotopes, they will be called analyticalAQMF, numerical quantized mass formula NQMF and total variable neutron mass TVNM, to generate a database for alpha energies for more than 1140 isotopes for Z=100-118, and 3- a quantized mass formula QMF to the non-existent elements that will create atomic masses for more than 4000 new non-existent isotopes, from the alpha energies database, it will be called energetic quantized mass formula EQMF (i.e. Period-8, Z=119-172 and period 9, Z=173 200 ). In present year 2017, the whole project is accomplished successfully. The polynomial equation of the 2 nd power generates the quantized atomic masses QAM while thepolynomial equation of 3rd up to 6 th power generates the unquantized atomic masses UQAM with RMS=335 keV. A novel Total Variable Neutron Mass TVNM method also used for calculation of QAM and UQAM. Both QAM and UQAM of the elements Z=1- 118 have been calculated. The QAM of the isotopes of the Period-8 Z=119-172 have been calculated in addition to QAM of the isotopes of 28 elements Z=173-200 of period-9.
B. Theory The standard model theory SMT essential concepts of the mass formula are based on the theory that both masses of protons and neutrons are invariant inside and outside of the nucleiand the energy has an equivalent mass based on mass-energy equivalence E=mc 2.Therefore, the binding energy of the nucleus is given by; B.E. = ZM H+NM N-MA. Where NMT supposes during the nucleosynthesis in the stars that the mass of the proton is invariant inside and outside of the nuclei while the mass of the neutron is variable inside the nuclei. NMT believes that no tiny mass fromany nucleon could be converted to any energy or to create the binding energyor vice versa.In this article, the mass quantization principle, MQP concept of the new theory is applied on the measured atomic masses M A (from IAEA ) to amend them and to extrapolate them.NMTalso uses its novel concept of mass-energy conformity MEC rather than mass-energy equivalence in explaining the B.E. NMT considers the B.E. and shell model as a confusion concepts (see next item-2.1). The application of MQP concept on the ∗ ∗ single / total variable neutron mass M / N M inside the nuclei and theMEC on the binding energy B.E. help in calculating the quantized atomic masses M A of existent and non-existent isotopes which gives ∗ excellent results far from using B.E. terms.The single variable neutron mass is denoted by M to differentiate it from the mass of the free neutron M N.NMT shows that the atomic masses M A of the neutral nuclei can be calculated from summation of the total mass of proton and electrons (M H) and ∗ ∗ total mass of the corrected variable neutron masses M (i.e. M A=ZM H+N M ) after manipulation far ∗ from B.E formula. In this manner, the corrected single variable neutron mass M will include the so- called B.E and Be(Z) term in form of mass rather than in form of energy and the atomic mass of the hydrogen M H will include the ZM e and ZM P. In 2008, Nuclear Magneton Theory of Mass Quantization-Unified Field , NMT concepts[ 52-54 ] considers all other heavier neutrinos as a multiple package of electron neutrino (i.e. magnetons). The reasons that NMT changed the “electron-neutrinos” name to “magnetons” name is that the magnetons are building blocks that form all the particles i.e.
203 Bahjat R. J. Muhyedeen electrons, muons, tauons etc. NMT believes that they have a magnetic dipole thus they called magnetons.
2. Method The general procedures and policies of calculation of the quantized atomic masses QAM are fully explicated here below:
2.1 Application of Mass Quantization Principle MQP on the Neutron NMT believes that; in severe circumstances such as in the stars, the bound neutrons are usually generated from fusion of protons (actually is due to disintegration of its nmtionic shells [ 54]) during the creation of nuclei releasing two positrons and neutrinos. NMT called the mass of the bound neutron ∗ as variable neutron mass M . NMT believes that there are no absolute stable nuclides at all and they 20 40 possibly live with t 1/2 ca 10 -10 y due to the unstable structure of the bound neutron, with unstable charge over mass[1-4,54]. NMT thinks that; contrary to the mass of the electron QM e and the proton QM p which they have a fixed quantized mass inside and outside the atom, the neutron has several stable ∗ variable masses M in the stable nuclei, which are called quantized QNM andunstablevariable masses ∗ M in the unstable poor and rich nuclei, which are called unquantized UQNM /UQNM respectively. In previous articles [ 1-4] many concepts and definitions explained such as VariableNeutron Masses(see Eq. (3)) , Neutron Mass Plateau(see Fig. 1&2), Neutron Mass Quadratic Equation, NMQE(see Eq. (4)) , the consonant and dissonant neutron masses CNM, DNM andIsotopic Quantized Mass Formula ∗ ∗ 2 IQMF(see Eq. (5)) . NMT sorts out the M values and nominates the M values based on their R values formed by theNMQE as dissonant neutron mass DNM (i.e. DNM ,DNM and DNM ) if they give ∗ 2 2 M -ln( A) graph with poor R values ((R <0.9999) and consonant neutron mass CNM (i.e. CNM ,CNM ∗ 2 2 and CNM ) if they give M -ln( A) graph with high R values (R ≥0.9999) ∗ M = (M A-ZM H)/N, N=number of neutrons (3) ∗ NMT usually correlates the single variable neutron masses, SVNM M , of the element’ isotopes versus their natural logarithm of mass number ln( A) for light and heavy elements to generate the Neutron Mass Quadratic Equation, NMQE (which gives a parabolic graph) with correlation coefficient R-squared, R 2. The values of R2 increase with increasing Z(see in Fig. 4-7). ∗ 2 2 M = α*ln (A ) - β*ln( A)+ γ R ≥0.9999 (4A) ∗ While it correlates the total variable neutron masses, TVNM NM , of the element’ isotopes versus their mass number (A) for Superheavy elements to generate Neutron Mass Quadratic Equation, NMQE (which gives a semi-linear graph, see Fig. 9B) with correlation coefficient R-squared, R 2. ∗ 2 2 NM = α*(A ) - β*(A)+ γ R ≥0.9999 (4B) Each element has its two equations of neutron mass quadratic equations NMQE, one for even nd ∗ and the other for odd isotopes. The polynomial equation of the 2 power of SVNM with ln( A);M - ∗ ln( A) graph; generates M which lead to the prediction of the quantized atomic masses QAM of light nd ∗ and heavy elements and polynomial equation of the 2 power of TVNM with ( A);NM -(A) graph; ∗ generates NM which lead to the prediction of the quantized atomic masses QAM of Superheavy elements. Two methods were used to calculate the unquantized atomic masses UQAM. First method rd th ∗ for Z=1-107; uses the polynomial equation 3 up to 6 power of SVNM with ln( A);M vs ln( A) to ∗ generate M which lead to the prediction of the UQAM. In case of UQAM, the acronym NMQE (Neutron Mass Quadratic Equation) is changed to NMPE (Neutron Mass Polynomial Equation), nd ∗ because it is non-quadratic. Second method for Z ≥93, uses the 2 power of TVNM with ( A);NM -A ∗ graph; to generate NM which lead to the prediction of the UQAM for Z=94-107.The first method has short range limit or extension in estimation of UQAM with a little bit lower RMS. The second method has long range limit or extension in estimation of UQAM a little bit higher RMS. TheUQAM of the elements Z=1-107 have been calculated The Quantized Atomic Masses of the Elements: Part-5; Z=81-99 (Tl-Es) 204
The QAM of the elements Z=1-118 have been calculated. Other various equations also tested to all isotopes of the elements Z=1-118, but showed low R 2. While Pearson correlation coefficient R ∗ 2 reflects the extent of a linear relationship between M and ln( A), R value can be interpreted as the ∗ proportion of the variance in M attributable to the variance in ln( A) in the NMQE. NMT inserts thedissonant orconsonant SVNM values into the isotopic quantized mass formula IQMF to get the initial atomic masses as follow: 2 QAM=ZM H + N( α*ln (A ) - β*ln( A)+ γ) (5) Where; α, β and γ are parameters depending on the neutron masses of the references point of the element. After substitution of the mass number of the isotopes into Eq. (5), the initial atomic masses will be calculated. The calculated atomic masses will be used to calculate the β-, β+, α-decay energies and which haveto give the positive difference in alpha energies between two sequential even-even and odd-odd mass number A; which denoted by the term ∆α (ee ,oo) as we will explain in the next paragraph. The UQAM are calculated from: UQAM=ZM H + N(NMPE), where the Neutron Mass rd th ∗ Polynomial EquationNMPE is polynomial of 3 up to 6 power for M -ln( A). In the second method, the UQAM are calculated from: UQAM=ZM H + (NME), where the neutron mass equation NME is nd ∗ polynomial of 2 power of TVNM for NM -A graph. The UQAM are very close to the IAEA and the RMS values become 9.3 keV for Z=100-118. NMT called the consonant CNM non-hermetic values of the alpha-emitter nuclides as Un- Generalized Neutron Masses values and denoted by UGNM. While NMT called the consonant CNM hermetic values of the alpha-emitter nuclides as Generalized Neutron Masses values and denoted by GNM (see Fig. 3). The GNM of known heavy isotopes will be used later for estimation of the GNM of non-existent elements’ isotopes. The GNM will generate QAM.NMT usually corrects the dissonant and consonant neutron masses; DNM and CNM values of the IAEA’ isotopes to achieve the harmonized graph with high R 2values (R 2>0.9999) to give NMQE that lead to provision of GNM. The correction of DNM and CNM values to GNM values is achieved through modifying them to give the neutron mass quadratic equation NMQE with higher R 2 exceed 0.9999 that achieve the following criteriaas shown in Scheme -1.The values of UQNM ,QNM and UQNM of the available isotopes from IAEA website (more than 3300 nuclides) of the elements Z=1-118 have been studied carefully.
Figure 1: The MQP and the relation between the UQNM , QNM , and UQNM and the decay mode
205 Bahjat R. J. Muhyedeen
Figure 2: The relation between the UQNM , QNM , and UQNM and the decay mode of oxygen isotopes which has 3 stable isotopes
Figure 3: NMT ’ neutron mass classification
Scheme 1: Flowchart shows the conversion of DNM or CNM to GNM
The Quantized Atomic Masses of the Elements: Part-5; Z=81-99 (Tl-Es) 206
The main criteria that bound the calculated GNM are; i. the even and odd curves of each element inside the graph have to show the parallelism with gap. Usually, inside the graph, the gap between isotopes of small A is larger than that in large A. The gap increase with increasing Z. This gap deforms the parallelism in the element of Z>130 and convert it to twisting in higher Z. Therefore, NMT replaces the treatment of SVNM by TVNM to avoid the deformation of the graphs. ii. the even curve should be lower than odd curve in even Z but vice versa for odd Z (see Fig. 4), iii. the calculated GNM should give harmonization curves of the sequential elements (see Fig. 8A & B), iv. theGNM valueshave to generate quantized atomic masses QAM that give the proper sequential values for β-, β+, α-decay energies without deviation and discontinuities, v. the calculated QAM should lead to the positive incremental difference in alpha energies between two sequential even-even and odd-odd mass number A; which denoted by the term ∆α (ee ,oo) . The ∆α (ee ,oo) values (i.e. violetvalues in the Tables 1-20 in the appendix-1)should be positive if the atomic masses are quantized. Otherwise, the atomic masses are not quantized. The second term is also considered during conversion CNMto GNM that the differences between each two sequential α-energy values of even-A and odd-A or vice versa ∆α (eo ,oe) has to be positive incremental values(i.e. blue values in the Tables 1-20in the appendix-1). All IAEA and the theoretical atomic masses, such as Moller and Duflo-Zucker etc., in the literature failed to give positive ∆α (ee ,oo) and ∆α (eo ,oe) . vi. the calculated QAM values have to be very close to the existing of IAEA, vii. the calculated QAM values should give the proper β- and β+ values in the element Z+1 and Z-1 respectively and proper α-energies values in Z and be suitable for α-decay energies in the next element Z+2. Normally, NMT avoids the modification of the QNM of the stable and relatively stable nuclides of Z=1-82.Achieving theseven criteria is a very challenging job because they conflict each other, consequently, this work requires 6 years of continuous work where more than 14000 isotopes are treated. The single variable neutron mass values are functions of Z, N,A,Eb/A,masses, half-lives, decay energies, magic numbers, deformations, shapes, sizes, shell structure and other properties of the nucleus. Therefore,NMT coins them as “ NucleusMaster Key ”. The Mass Quantization Principle MQP believes thatthe variable neutron masses inside the nucleus have to increase regularly with a fixed number of magneton packages in the nucleus with increasing the neutron number N. The regular increment in the neutron masses should create the DNM or CNM in different nuclides with increasing Z and N. That means there is a systemic increment in the neutron mass starting from neutron poor to neutron rich. NMT refers to the fixed increment in the neutron masses due to N increment as quantization process . The fixed increment in neutron masses in the isotopes of the element results in giving the positive incremental values in ∆α (ee ,oo) and ∆α (eo ,oe) . Furthermore, the NMT entitled theisotopic quadratic equations as Isotopic QuantizedMass Formula IQMF (Eq. 5) for the same reason and the atomic masses generated from GNM as quantized atomic masses QAM due to the quantization process. Fig. 8A shows how the IAEA values of DNM ofneutron poor have higher values than the DNM of the neutron rich which give arbitrary β-, β+, α decay energies for the element with Z=80-99.Fig. 8B shows the corresponding NMT treated consonant and hermetic GNM variable neutron masses values. NMT checked the neutron masses of more than 3430 isotopes of the elements Z=1-118 of IAEA {and also JAEA (Audi et al ., Private Communication (April 2011))} and found out that all of them are dissonant and non-hermitic neutron mass DNM (i.e. DNM,DNM and DNM)except seven elements; Z=92-99 (of 99 elements) show a consonant neutron masses CNM. They do not give sequential α energies.For example, the DNM, DNMand DNM of the isotopes of Z=33-72 and Z=79-92 displayed deviation in the parabolic curves that result in discontinuities in α energies.
207 Bahjat R. J. Muhyedeen
Fig. 9A shows the deviation (curvature, marked bya circle) of the IAEA neutron mass values which give discontinuities in α-decay energies for their isotopes.Fig. 9Bshows the generalized neutron masses of isotopes of the elements Z=81-99. The incorrectvalues of α-decay energies due to thedissonant and non-hermetic neutron massesspan from neutron poor to neutron rich passing the plateau of the stableisotopes.The discontinuities in α-decay energies of IAEA lead to curling curves of Qα vs N as seen in Fig. 26 in Appendix-1.The correction process for these neutron masses values will affect the values of the atomic masses of these isotopes of IAEA, therefore, NMT avoids a complete correction for Z=81-83 only to keep the difference between IAEA atomic masses of stable nuclides and NMT atomic masses as minimum as possible. The curvature in Fig.8A and in Fig.9A are due to underestimation of the IAEA atomic masses at the magic numbers 82 and 126 respectively.
Figure 4: The dissonant neutron mass DNM of even-odd nuclides of Aluminumfrom IAEA
Figure 5: The dissonant neutron mass DNM of even-odd nuclides of Cadmium from IAEA
Figure 6: The dissonant neutron mass CNM of even-odd nuclides of Rhenium from IAEA
The Quantized Atomic Masses of the Elements: Part-5; Z=81-99 (Tl-Es) 208
Figure 7: The consonant neutron mass CNM of even-odd nuclides of Einsteinium from IAEA
Figure 8: A-The dissonant neutron masses from IAEAand B- The generalized neutron masses of light elements’ isotopes after correction; Z= 80 -99 .
A. The IAEA dissonant neutron masses DNM of the elements; Z= 80 -99 isotopes
B. The corresponding NMT generalized neutron masses GNM of the elements; Z=80 -99 isotopes
209 Bahjat R. J. Muhyedeen
∗ ∗ The M -ln( A) graph (Fig.9A) is sensitive to the magic number while NM -Agraph (Fig.9B) ∗ isinsensitive. The NM -Agraph will generate the variable neutron mass matrix that can evaluate the atomic masses of non-existent isotopes as we will see in the forthcoming articles. The NMT called the calculated atomic which are very close to the IAEA as UQAM because they fail to give the positive incremental values in ∆α (ee ,oo) and ∆α (eo ,oe) . While NMT called the calculated atomic which are a littlebit far of the IAEA as QAM becausethey succeeded to give the positive incremental values in ∆α (ee ,oo) and ∆α (eo ,oe) . In item 2.7 we will see how the predicted atomic masses of the theoretical models fail to give the positive incremental values due to their reliance on IAEA or WAW database.
∗ Figure 9: The singlevariable neutron masses -ln( A)graph of isotopes of the elements Z=81-99 of IAEA is sensitive to the magic number 126. The circle in Figure-9A shows the curvature of the IAEA ∗ neutron mass values.Figure-9B shows the corresponding totalvariable neutron masses -Agraph which is insensitive.
A- The single neutron masses of the isotopes of the B- The totalneutron masses values of the isotopes of elements; Z=81-99 of IAEA . the elements; Z=81-99 of IAEA .
Magic Numbers NMT scrutinized the neutron magic numbers NMN of the neutrons in details from Z=2 up to 118, and found out they are active only in few nuclei (of small Z) but they are mostly inactive in the other nuclei. They seem as if they are stochastic complementary number with some selective proton numbers in some nuclei to give stable variable neutron masses more than phenomenological numbers. They do not have any influence at nuclei with Z greater than 90. For NMN; N=8, which is available in 13 elements, Z=2-14, has two stable nuclides only N, O. For NMN; N=20, which is available in 19 elements, Z=9-28, has five stable nuclidesonly S, Cl , Ar , K, Ca .For NMN; N=28, which is available in 21 elements, Z=12-32, has four stable nuclides Ti , V, Cr , Fe . For NMN; N=50, which is available in 24 elements, Z=27-50, has five stable nuclides Kr , Sr , Y, Zr , Mo . For NMN; N=82, which is available in 29 elements, Z=45-73, has six stable nuclides i.e. Ba , La , Ce , Pr , Nd , and Sm . For NMN; N=126, which is available in 18 elements, Z=76-93, has one stable nuclide Pb . For higher NMN; neither Z=114 nor N=184 shows stability effect in the superheavy isotopes of Z=100-200. NMT found similar results forthe known and the expected proton magic numbers PMN; Z=2, 8, 20, 28, 50, 82, 108, 114, 124, 126 and 164. The Quantized Atomic Masses of the Elements: Part-5; Z=81-99 (Tl-Es) 210
Only few nuclei with doubly MN are stable such 4He, 16 O, 40 Ca and 208 Pb while other nuclei with are unstable such Ni (2.1ms), Ni (6.07d), Ni (0.11s), Sn (1.16s), Sn (39.7s). The most important question is that why the graphs of E α vs N (neutron numbers) do not show a sharp peak after the NMN; 28, 50, 82, and 126 but they show a gradual peaks that the graph raise with 4-6 points (i.e. NMN+4-6) then comes down. This gradual peak clearly comes from the overestimation of the atomic masses rather than a magic number phenomena. If the magic numbers are really come out of the shell phenomenon then they have to be effective in that nuclei. When NMT treated the atomic masses to give the positive incremental values in ∆α (ee ,oo) and ∆α (eo ,oe) , these gradual peaks disappeared and the graphs became a smooth.Although the results of nuclear shell model of spherical nucleihas been proved by manyexperimental facts such as quadrupole moments, isotope abundances,binding energies, separation, pairing energies, nuclear radii and β,α-decay energies, but it does not mean these magic numbers grant the nuclei the stability. NMTconsiders the magic P and N as acomplementary numbers to achieve the stable variable neutron masses. Table-1 shows the doubly magic nuclei which is generated from combinations of the Z and N magic numbers. Only five stable isotopes are stable which explain the suspicion of their concepts. The microscopic-macroscopic models expected Z=114 and N=184 for the next doubly magic nucleus. NMT calculated the T 1/2 of this isotope -184 to be 3.01d, while next isotope -185 to be with T1/2 =102.1d. The non-relativistic mean-field models predict these numbers at Z=124 and 126 and N=184 are magic numbers. NMT calculated the T 1/2 of this isotope 124 -184 to be unstable and + decay with α=13144 MeV and β =4659 MeV, while the other isotope 126 -184 to be unstable and decay with α=14152 MeV and β+=6076 MeV. The relativistic mean-field models predict these numbers at Z=120 and N=172 are magic numbers. NMT calculated the T 1/2 of this isotope 120 -172 + to be unstable and decay with α=13602 MeV and β =6277 MeV, while the other isotope 120 -199 to be with T 1/2 =6158y. The theoretical studies predict the deformed nucleus at Z=108 and N=162 to be more stable. IAEA calculated the T 1/2 of this isotope -162 to be 3.1s, while NMT the isotope -174 to be 13.37d.
Table 1: The experimental doubly magic nuclei and the expected from theoretical studies
Z,N Z=2 Z=8 Z=20 Z=28 Z=50 Z=82 Z=108 Z=114 Z=120 Z=124 Z=126 Z=164 He-4 N=2 Stable He-8 O-16 Ca-28 N=8 119ms Stable NE O-28 Ca-40 Ni-48, N=20 NE Stable 2.1 ms Ca-48 Ni-56 Sn-78 N=28 1.9x10 19 y 6.08 d NE Ca-70 Ni-78 Sn-100 Pb-132 N=50 NE 0.11 s 1.16 s NE Sn-132 Pb-164 N=82 39.7 s NE Sn-164 Pb-196 Fl-228 N=114 160 ns 37 m NE Pb-208 Fl-240 N=126 Stable NE Hs-270 Fl-276 N=162 3.6 s 1.97 us
Hs-280 Fl-286 120 X-292 124 X-296 N=172 11.04h 0.16 s α=13602 α=15588 + + β =6277 β =9221 Fl-298 120 X-304 124 X-308 126 X-310 N=184 3.01 d α=11166 α=13144 α=14152 + + + β =1894 β =4659 β =6076
211 Bahjat R. J. Muhyedeen
Z,N Z=2 Z=8 Z=20 Z=28 Z=50 Z=82 Z=108 Z=114 Z=120 Z=124 Z=126 Z=164
Fl-310 120 X-316 124 X-320 126 X-322 N=196 α=5481 α=8348 α=10316 α=11318 + β=4765 247.89 d 2 m β =1652 124 X-360 126 X-322 164 X-400 β=18492 β=16614 α=20190 N=236 β+=1349 4 164 X-482 N=318 β,β+ emitter
2.2 The General Procedure for the Calculation of the Quantized Atomic Masses 1. Collecting the atomic masses and other properties values of the isotopes from IAEA for element Z=1-118 and from others such as JAEA, Wang-Audi-Wapstra (WAW) [ 25], and from Moller et al [31] for comparison. ∗ 2. Deriving the single variable neutron mass SVNM M from IAEA atomic masses. (see Eq. 3) ∗ 3. Using the polynomial functions to link M with ln( A) to setup the NMQE(see Eq. 4A)and the isotopic quantized mass formula IQMF (see Eq. 5) for the element Z=1-107 to calculate the QAM. The elements from Z=108-118 require different methods. NMT uses AQMF and NQMF as explained below. 4. Calculating the alpha energies of the isotopes for the element Z= 1 toZ= 99 consecutively. 5. Moving back from Z= 99 toZ= 1sequentially to calculate the positive ∆α (ee ,oo) values. The aim of this step is to depend on alpha energies of the appropriate alpha emitter element Z= 84 -99 6. Moving again from Z= 1 to Z= 99 to calculate the positive ∆α (eo ,oe) values. 7. Deriving and using the analytical mass formula AQMF and the numerical quantized mass NQMF formula to create the atomic masses for more than 700 isotopes belong to the element Z=108-118 as these elements don’t have enough isotopes (4 RP for even and/or 4RP for odd) to setup NMQE and IQMF. Each isotope can be created from its four ancestors. The alpha energies of the 700 isotopes have been calculated. The details of these procedures will be published soon. 8. The alpha energies of more than 1250 isotopes of the elements Z=100-118 with positive values for ∆α (ee ,oo) and ∆α (eo ,oe) used to setup the database for the element Z=119-200 of Periods-8 & 9. 9. Deriving and using the energetic quantized mass formula EQMF, which derive the SVNM &TVNM from the daughter to the mother keeping the positive values of ∆α (ee ,oo) and ∆α (eo ,oe) to secure the quantization of the atomic masses. EQMF succeeded in calculation of the quantized atomic masses QAM for Z=119-200. The results of items 7, 8 and 9 will be published in the next articles. The results were compared with Moller and DZ calculations.
2.3 The Special Isotopic Quantized Mass Formulafor the Elements Z=1-107 As we stated above that NMT’s procedure of calculation of the atomic masses is completely different from the SMT methods of determination or prediction of the atomic masses. NMT apply the Mass Quantization Principle MQP to the neutron mass which lead to generation of the DNM and CNM which they have to be converted to the generalized ( consonant hermetic) neutron masses GNM.The generated neutron masses GNMwill be substituted into the isotopic quantized mass formula IQMF (Eq. 5) to calculate the quantized atomic masses QAM. The quantized atomic masses of EinsteiniumEs are calculated below as an example below.
The Quantized Atomic Masses of the Elements: Part-5; Z=81-99 (Tl-Es) 212
I. Calculation of the Quantized Atomic Masses from IQMF NMT converts the CNM of 99 Es isotopes to GNM to calculate the quantized atomic masses. The precise quantized atomic masses QAM of the radioisotopes of 99 Es element is calculated in two steps. First , we have to calculate the generalized neutron masses GNM /GNM /GNM values as explained in the previous paragraph (see Scheme -1) to get two neutron mass quadratic equations NMQE; Odd-Even (Eq. 6) and Odd-Odd (Eq. 7) which are generated from Fig. 10 A&B, as follow: GNM = 0.022143171685457Ln( A)2 - 0.233762722898703 Ln( A) + 1.61103647390349, R² = 1.000 (6) GNM = 0.022560872766917Ln( A)2 - 0.238336286156576 Ln( A) + 1.62354800693296, R²=1.000 (7) The calculated values GNM /GNM /GNM of 50 isotopes are listed in Table-2. Column 4, shows the difference between the values of the dissonant neutron masses DNM of IAEA and the generalized neutron masses GNM of NMT. The red valuesGNM refer to neutron-rich equation, the green valuesGNM refer to neutron-poor while the blue values refer to stable nuclides. Second , we insert the GNM /GNM /GNM values into the isotopic quantized mass formula 2 IQMF Eq. 5, QAM=ZMH + N(α*ln (A ) - β*ln( A)+ γ) as follow: For example, the quantized atomic masses QAM of the NR 99 Es-272 and NP 99 Es-225and are calculated as follow: QAM =99 MH + 173 (0.996458461219408 , from Table-2) (8) = 272.16199198173 u QAM =99 MH + 125 (0.994498632356545 , from Table-2) (9) = 225.08150586770 u The calculated quantized atomic masses QAM values of 50 isotopes are listed in Column 4 in Table-4. The quantized atomic masses QAM for new non-existent such as 224 Es -240 Es and 258 Es -273 Es etc. have been calculated using equations 6-9 as seen in the Table-4. Column 2, MIAEA QAM , shows the difference between the unquantized masses of the IAEA and the quantized masses of NMT. Generally, the differences become larger when we go up or down far from the quantized masses of stable isotopes. NMT discovered that most of IAEA atomic masses of far neutron-poor and far neutron-rich isotopes are overestimated by nuclear workers which are listed by the tables of IAEA website and also in JAEA and NNDC websites.
Table 2: The CNM (from IAEA ) and GNM (from NMT ) of Einsteinium’ isotopes
The differences CNM /CNM GNM /GNM variable ∗ ∗ between M and No Nuclide variable neutron neutron mass, GM ∗ Half-lives A N ∗ GM mass, CM (u) (u)* ∗ ∗ ∆Mn=CM - GM 1 99Es-224 0.994478356773127 224 125 2 99Es-225 0.994498632356545 225 126 3 99Es-226 0.994532544879650 226 127 4 99Es-227 0.994553918319317 227 128 5 99Es-228 0.994589708655769 228 129 6 99Es-229 0.994612206690689 229 130 7 99Es-230 0.994649766096728 230 131 8 99Es-231 0.994673415060098 231 132 9 99Es-232 0.994712637845529 232 133 10 99Es-233 0.994737463666697 233 134 11 99Es-234 0.994778247088751 234 135 12 99Es-235 0.994804275295530 235 136 13 99Es-236 0.994846519457240 236 137 14 99Es-237 0.994873775178549 237 138 15 99Es-238 0.994917382931423 238 139 16 99Es-239 0.994945890900218 239 140 17 99Es-240 0.994990767750991 240 141 18 99Es-241 0.995027336684718 0.995020552307456 0.000006784377 8s 241 142
213 Bahjat R. J. Muhyedeen
The differences CNM /CNM GNM /GNM variable ∗ ∗ between M and No Nuclide variable neutron neutron mass, GM ∗ Half-lives A N ∗ GM mass, CM (u) (u)* ∗ ∗ ∆Mn=CM - GM 19 99Es-242 0.995069152512098 0.995066606328712 0.000002546183 13.5s 242 143 20 99Es-243 0.995102998675208 0.995097691423677 0.000005307252 21s 243 144 21 99Es-244 0.995146240063655 0.995144833168158 0.000001406895 37s 244 145 22 99Es-245 0.995181991844041 0.995177242366725 0.000004749477 1.1min 245 146 23 99Es-246 0.995225971491360 0.995225384785142 0.000000586706 7.5min 246 147 24 99Es-247 0.995263133961013 0.995259141270489 0.000003992691 ND 247 148 25 99Es-248 0.995307334290134 0.995308199632667 -0.000000865343 24min 248 149 26 99Es-249 0.995344885394867 0.995343326210008 0.000001559185 102.2min 249 150 27 99Es-250 0.995390290127351 0.995393218029203 -0.000002927902 8.6h 250 151 28 99Es-251 0.995429706547566 0.995429737129887 -0.000000030582 33h 251 152 29 99Es-252 0.995479095910000 0.995480382090123 -0.000001286180 471.7d 252 153 30 99Es-253 0.995520438469026 0.995518315775853 0.000002122693 20.47d 253 154 31 99Es-254 0.995569961343419 0.995569635662140 0.000000325681 275.7d 254 155 32 99Es-255 0.995612799789936 0.995609005629292 0.000003794161 39.8d 255 156 33 99Es-256 0.995661915982357 0.995660924260580 0.000000991722 25.4min 256 157 34 99Es-257 0.995704435501456 0.995701751844611 0.000002683657 7.7d 257 158 35 99Es-258 0.995754195009367 258 159 36 99Es-259 0.995796501189294 259 160 37 99Es-260 0.995849396583567 260 161 38 99Es-261 0.995893201986506 261 162 39 99Es-262 0.995946479154370 262 163 40 99Es-263 0.995991804060123 263 164 41 99Es-264 0.996045394336395 264 165 42 99Es-265 0.996092258682073 265 166 43 99Es-266 0.996146095137197 266 167 44 99Es-267 0.996194518521873 267 168 45 99Es-268 0.996248535908868 268 169 46 99Es-269 0.996298537598248 269 170 47 99Es-270 0.996352672301645 270 171 48 99Es-271 0.996404271232746 271 172 49 99Es-272 0.996458461219408 272 173 50 99Es-273 0.996511676005240 273 174 In column 3, GNMred color values are neutron rich isotopes, GNMgreen color are neutronpoor isotopes
Figure 10A: The generalized neutron mass of Einsteinium (even)
The Quantized Atomic Masses of the Elements: Part-5; Z=81-99 (Tl-Es) 214
Figure 10B: The generalized neutron mass of Einsteinium (odd)
II. Calculation of the QAM from Isobaric Quantized Formula ISQMF NMT also able to calculate some QAM for neutron poor isotopes from the isobaric quantized mass formula ISQMF Eq. 10. TheBi-209 isobars series (from NMT values) and Bi-209 (from IAEAvalues) were selected as examples to evaluate the QAM of Th-209 and Pa-209 as seen in Figure-11A and UQAM of Th-209 and Pa-209 as seen in Figure-11B. The GMN and CNM values for Th-209 and Pa- 209 are calculated from Eq. 10A & B respectively to be 0.994235098507841,0.994228948409664, 0.994205087402065 and 0.994189022625863 respectively. The corresponding QAM and UQAM of Th-209are 209.01822962313 u and 209.01749776145 u.The corresponding QAM and UQAM of Pa- 209are 209.02827824637 u and 209.02638260278 u. NMT -GNM = 0.031461469621718Ln( Z)2 - 0.286204872016635 Ln( Z) + 1.6450616807845, R² = 0.9997 (10A) IAEA -CNM = 0.022522736573592Ln( Z)2 - 0.206558174891550 Ln( Z) + 1.46765458554642, R² = 0.9999 (10B)
Figure 11A: The generalized neutron mass of Bi-209 isobars
215 Bahjat R. J. Muhyedeen
Figure 11B: The consonant neutron mass of Bi-209 isobars
2.4. Calculation of the Theoretical β-, β-, EC Energies
The beta energies are calculated from SMT (based on mass defect MD ,∆MA), NMT (based on neutron mass defect NMD ,∆Mn) and standard energy of formation of nuclide E , SEFN (based on a specific perception that in severe circumstances such as in the stars, the bound neutrons are usually generated from fusion of protons during the creation of nuclei releasing two positrons and neutrinos).The three methods give the same results. The beta, EC-decay energy values are listed in the Tables 1-20 in the appendix-1. - - A SMT-MD; (based on mass defect MD,∆MA) The Q-value of β , β , EC-decay can be calculated from the mass defect. SMT-MD ; β-: Q - = M(A,Z)-M(A,Z+1); β+: Q + = M(A,Z)-M(A,Z-1) (11) B NMT-NMD ;(based on neutron mass defect NMD,∆Mn) - - 1. β -decay: The general formula of NMD (∆Mn) for β -decay is given by: ∆Mn =[(M A-ZM H)M – (M A-Z1MH)D] (12) The term (M A-ZM H)Mand(M A-Z1MH)D will give the total mass of neutrons in the mother M and the daughter D respectively [ 54 ]. + + 2. β -decay: The general formula of ∆Mn for β -decay is given by: ∆Mn =[(M A-Z1MH)M – (M A-ZM H)D] (13) 3. EC-decay: The general formula of ∆Mn for EC-decay is given by: ∆Mn =[(MA-Z1MH)M) - (M A-ZM H)D] (14) Thus, both positron and EC decay follow that same equation.Both SMT – MD and NMT – NMD could not set up a sharp criterion to differentiate between β+ and EC. In the following item, we will see how the new nuclear concept will sort out this issue. C NMT-SEFN : Standard Energy of Formation of Nuclide E NMT proposed a standard energy of formation of nuclide , SEFN , ∆E (nucleosynthesis) in the stars as a new concept which is based on neutron mass quantization [ 1-4,54 ]. As explained previously, the protons and the electrons are stable with fixed mass outside the nuclei and the atoms in the normal circumstances. In severe circumstances such as in the stars, the bound neutrons are usually generated from fusion of protons during the creation of nuclei releasing two positrons and neutrinos. ∗ NMT called the mass of the bound neutron as variable neutron mass M as explained in item 2.1. The energy released or consumed from nucleogenesis process of the nucleus is called the standard energy of formation of nuclide, SEFN ∆E (similar to standard enthalpy of formation ∆H in chemistry). The SEFN concept does not focus on the number of the protons and electrons of the created nuclide. It is different from binding energy concept B.E and it has lower values than B.E by 0.81- 0.89 approximately as seen in Figure-12. The Quantized Atomic Masses of the Elements: Part-5; Z=81-99 (Tl-Es) 216
It is supposed that the binding energy BE explain the easy of formation; nucleosynthesis or nucleogenesis, and the degree of the stability of the nuclide, but it seems not. The well-known statement “ the energy liberated in the formation of nucleus from its component nucleon is a measure of stability of that nucleus ” is incorrect. In other words, the higher the value of B.E, does not mean the higher the stable nuclide is. Both the B.E and SEFN give higher energies values to unstable nuclides (which form 50% of total nuclides) that belong to Z=1-99 rather than to stable nuclides. For example, both indicate that the 8Be and 218 U nuclides have the highest B.E and SEFN among Be and U isotopes respectively. SEFN has two advantage over B.E that it can calculate the Q-values for all nuclear processes and it can give a sharp criterion to EC-decay, while B.E failed. The comparison between binding energies B.E and SEFN energies for Ra and U isotopes are illustrated in Figures 13&14. The application of SEFNon all nuclear process calculation gives identical results to SMT calculations while the binding energies cannot give the correct Q-values for β-, β-, EC- decay processes.
Figure 12: Comparison of binding energy of IAEA with SEFN of NMT values of Z=1-100
Figure 13: Comparison of binding energy of IAEA with SEFN of NMT values of Ra isotopes
217 Bahjat R. J. Muhyedeen
Figure 14: Comparison of binding energy of IAEA with SEFN of IAEA and NMT values of U isotopes