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mail: mail: mail: mail: 9 Copyright owned by the author(s) under the terms of the Creative Commons of the under the by terms owned the Creative Copyright author(s) - - - -
- Attribution The 15thonViolation Flavor PhysicsCP International Conference & 5 Prague
Biao Wang Biao Southern UniversityMethodist Dallas, TX, USA E E Kotelnikov Sergey AcceleratorFermi National Laboratory andKirk Pine st., Batavia,USA IL, E Brehova 7, Prague,7, Czech RepublicBrehova E Hatzikoutelis Athanasios Knoxville University of Tennessee Knoxville, USATN, Detector Filip Jedin University in Prague Czech Technical Searching
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LDM from NuMI model example NOvA ND as a beam Introduction 6
on LDM masses can extend up to 7.5 This GeV. range of LDM masses cannot be accessed by cut a have they as experiments detection direct 3. Reinterpretation Vector the of example popular the For way. independent model a in events rare of searches enables Portal, the mass of a produced directly vector particle mediator reachofmay 15 maximum available from the 120 GeV of the proton on the carbon target. The studies with the ND NOvA 10 a for expectation main The GeV. 30 and after the therefore, theand the total identification, event with accumulation type data energy improve. will background to neutrino signal LDM The NOvA N NOvA The than less energies of band narrow a have angle this at the earth that protects the NOvA ND from all high en other current setups. The expected neutrino carbon carbon target at an intensity of up to 700 The kW. Near NOvA Detector sits underground, one kilometer from the target area, shielded by the surrounding rock, leaving only particles interacting neutrinos rarely other potentially (and events would be very rare compared to the 6 4 the or on nucleons, 2. The NOvA (NuMI Off world’s most intensive beam, the NuMI, with bunches of 120GeV pri luminosity luminosity proton beam constra on scattering process, reverse a through detector near a in interact then might which particles DM detector. a neutrino of electron or a nucleon 1. for developed Intensity technology of the accelerator the take advantage We [1,2]. sector Hidden [2 models some to according which, Frontier, coupling those HS candidates t predicts direct (quark on quark) or indirect (meson decay) production of Searching PoS(FPCP2017)056
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Figure 3: Figure sensitivity sensitivity ptance range 0.2of 100, 300 and 450 MeV. and 450 300 100, for LDM for The simulated normalized LDM angular distributions and the LDM kinetic energy spectra within within spectra energy kinetic LDM the and distributions angular LDM normalized simulated The
of ) LDM particle candidates per year, leaving the target area boosted forward into few 14 limits limits on low low intensity
LDM interactions in NOvA ND
(10 of the involved particles only. This channel is relatively weak compared nucleons to but th it is a clea The angular acceptance of NOvA ND is 0.6 ND NOvA of acceptance angular The maximum. 2GeV the neutrino than higher much 20 GeV, around peaks GeV up to 60 The kinematics the on dependent event current neutral a electrons, atomic on LDM of scattering elastic the ND the acce 4. At NuMI beam intensity of ~6 ·10 O the around degrees Figure 2: Figure and therefore, cannot produce mediators heavier than 1 GeV [8,9]. GeV 1 than heavier mediators produce cannot and therefore, The case of direct production of a 1GeV vector mediator masses Searching either by other current fixed neutrino target as experiments they have lower proton beam energy PoS(FPCP2017)056
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- o . Physics
Filip Jedin . 15 GeV, since since GeV, 15
and cuts and
2016, to . 5 FERMILAB 02. 2015, Volume Volume 02. 2015, h - . p -
from from hep 2016 produced produced by the NOvA
methods . Phys. Rev. D. 2012, Vol. D. 2012,Vol. .Rev. Phys. . -
. NuMI project . Comput.Phys.Commun. ies ere
r could become a precision energ DESIGN
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kaon kaon production would dominate the - (from direct detection experiments and and experiments detection direct (from istent picture for CRESST, CoGeNT, and CoGeNT, for CRESST, istent picture
GeV dark matter beamsGeV at neutrin higher higher 2 - to thousands of events per year. per events of to thousands
Coupled Particles
- cm
target 45 arXiv:1504.04956. - . FERMILAB
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s coupled particles with Project X coupled with Project particles 3 - Dark Matter Results from 225 Live DaysDark ofMatter Results from
, arXiv:1504.04956. Toward a cons Toward and 10 and
36 - Observing a light dark matter beam with neutrino Signatures of sub Signatures 350, 2015, A facility to Search for Hidden for facilityat Particles to (SHiP) Search A the CERN - 10 rino Facility
A Brief Introduction to PYTHIA 8.1 PYTHIA to Brief Introduction A P
- Gev Dark Matter at Fixed Target Neutrino Experiments GevMatter at Dark Fixed Target 2012, Vol. 109, arXiv:1207.5988. 2012,Vol. rch area for the LDM signal extends extends signal LDM the for area rch - uncertainties uncertainties in
showers of higher energi higher of showers
and Symmetric and asymmetric light dark matter EM New, light, weakly New, between
). 016.SPSC
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Baseline neut ND - Beam conceptualoptics designs for andthe target
2015 Phys. Rev. Lett. Rev. Phys. OvA OvA - Long
Dark Sectors and New, Light, Weakly Dark Sectors and New, Searching for Sub Searching in N Phys. Rev. D. 2011, Vol. 84, arXiv:1107.4580. Vol. D. 2011, Phys. Rev. SPSC shower along the LDM direction pointing directly back to the target, without any any without target, the to back directly pointing direction LDM the along shower . Phys. Rev. D. 2012, Vol. 86, arXiv:1205.3499. D. 2012,Vol. . Phys. Rev. . - 1 and 3 GeV. The sea The GeV. 3 and 1
Phys. Rev. D. 2012, Vol. 85,arXiv:1110.5338. D. 2012,Vol. Rev. Phys. for LDM for
within . CERN The Physics Program for DUNE atThe LBNF Physics Program els els that have similar signatures are the background for the LDM signal (Figure At 3). this Anelli, M. et al. (SHiP Collaboration). M.Anelli, et al. (SHiP SPS DAMA. Mrenna, S., Skands, P. T., Sjöstrand, 178, arXiv:0710.3820. 2008,Vol. Acciarri, R. et al. 2: Abramov, A. G. et A. al. Abramov, A485. Nucl.Instrum.Meth. 2002,Vol. M. R. D. and Kelso, Buckley, Hooper, Ch., de Niverville, P., McKeen, D., Ritz, A. A. McKeen, D., Ritz, de P., Niverville, experiments de P. Niverville, 61. Procedia.Vol. 2014, de Niverville, P., Pospelov, M., Ritz, A. A. Ritz, M., Pospelov, de P., Niverville, experiments K. H.,M. Zurek, Yu, T., Lin, 85, arXiv:1111.0293. Aprile, Aprile, E. et al. (XENON100Collaboration). XENON100 Data. 2013, chapter VII,2013, 2557. chapter Rouven, Rouven, E. et al. arXiv:1311.0029. Batell, B. et al. (Project X year year neutrino data and custom LDM signal files. All the expected neutrino interaction
- [7] [9] [5] [6] [3] [4] [8] [1] [2] [12] [10] [11] References low low exposure, statistical errors measurement. This novel discovery approach measurement with with future existing projects like NOvA DUNE detecto [11] baseline shorter at volumes fiducial and energies and SHiP [12], using higher intensities, analysis framework, using a sophisticated artificial neural network PID SW, which was tuned for for tuned was which SW, PID network neural artificial sophisticated a using framework, analysis energies PID same the used have We GeV. 20 beyond inefficient are tools PID the first chann hadronic effects. However, the However, effects. hadronic with declines efficiency identification so the ND, NOvA is section cross scattering The in up resulting measurements), monojet collider several For comparison, the EM spectra induced by neutrino interactions w Searching electromagnetic