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Emerging Issues in Cosmology & Particle Physics
Organizing Committee Patron Principal, Siksha Bhavana, Visva-Bharati Conveners Swarup Kumar Majee & Biswajit Pandey Program Advisory Committee AJIT KEMBHAVI, IUCAA, India AJIT SRIVASTAVA, IOPB , India International Conference on ALAKABHA DATTA, Univ. of Mississippi, USA AMITAVA RAYCHAUDHURI, Univ. Of Calcutta, India AMOL DIGHE, TIFR, India Emerging Issues ASANTHA R. COORAY, UC-Irvine, USA BISWARUP MUKHOPADHYAYA, HRI, India CHENG-WEI CHIANG, NTU, Taiwan in DIEGO PAVON, AUB, Spain EUNG JIN CHUN, KIAS, South Korea GORAN SENJANOVIC, INFN, Italy Cosmology & KAI-FENG CHEN, NTU, Taiwan NABA KUMAR MONDAL, SINP, India NOBUCHIKA OKADA, Univ. of Alabama, USA Particle Physics Organized by QAISAR SHAFI, Univ. of Delaware, USA RABINDRA MOHAPATRA, Univ. of Maryland, USA Department of Physics, RENNAN BARKANA, Tel Aviv University, Israel January 12 -14, 2020 SOMAK RAYCHAUDHURY, IUCAA, India VISVA-BHARATI UNIVERSITY SOMNATH BHARADWAJ, IIT, Kharagpur, India Visva-Bharati University THOMAS BUCHERT, CRAL, Univ. of Lyon, France Santiniketan Email: [email protected] UTPAL SARKAR, IIT, Kharagpur, India Mob.: (+91) 7908272177/ 7602198961 / 8972889271 VOLKER SPRINGEL, MPA, Garching, Germany India Conference webpage: https://indico.cern.ch/event/849205/ Local Organizing Committee Registration Fee Details All faculty members of the Department Indian participants Foreign participants of Physics, Visva-Bharati university Faculty Members INR 4000 USD 200 Ph.D. Students/ Postdocs INR 2000 USD 100 Conference Topics Undergraduate/M.Sc. Students INR 500 USD 75 The registration fee will cover registration kits, refreshments, lunch, dinner, conference dinner and Dark Matter & Dark Energy local transportation. Neutrino Physics Accelerator Physics The main objective of the conference is to provide a common platform to discuss the emerging issues Physics Beyond the Standard Model in cosmology and particle physics, to set out possible future collaborative research works and to nail 21 cm Cosmology down some existing common problems. -
Supergravity and Its Legacy Prelude and the Play
Supergravity and its Legacy Prelude and the Play Sergio FERRARA (CERN – LNF INFN) Celebrating Supegravity at 40 CERN, June 24 2016 S. Ferrara - CERN, 2016 1 Supergravity as carved on the Iconic Wall at the «Simons Center for Geometry and Physics», Stony Brook S. Ferrara - CERN, 2016 2 Prelude S. Ferrara - CERN, 2016 3 In the early 1970s I was a staff member at the Frascati National Laboratories of CNEN (then the National Nuclear Energy Agency), and with my colleagues Aurelio Grillo and Giorgio Parisi we were investigating, under the leadership of Raoul Gatto (later Professor at the University of Geneva) the consequences of the application of “Conformal Invariance” to Quantum Field Theory (QFT), stimulated by the ongoing Experiments at SLAC where an unexpected Bjorken Scaling was observed in inclusive electron- proton Cross sections, which was suggesting a larger space-time symmetry in processes dominated by short distance physics. In parallel with Alexander Polyakov, at the time in the Soviet Union, we formulated in those days Conformal invariant Operator Product Expansions (OPE) and proposed the “Conformal Bootstrap” as a non-perturbative approach to QFT. S. Ferrara - CERN, 2016 4 Conformal Invariance, OPEs and Conformal Bootstrap has become again a fashionable subject in recent times, because of the introduction of efficient new methods to solve the “Bootstrap Equations” (Riccardo Rattazzi, Slava Rychkov, Erik Tonni, Alessandro Vichi), and mostly because of their role in the AdS/CFT correspondence. The latter, pioneered by Juan Maldacena, Edward Witten, Steve Gubser, Igor Klebanov and Polyakov, can be regarded, to some extent, as one of the great legacies of higher dimensional Supergravity. -
Table of Contents (Print)
PERIODICALS PHYSICAL REVIEW Dä For editorial and subscription correspondence, Postmaster send address changes to: please see inside front cover (ISSN: 1550-7998) APS Subscription Services P.O. Box 41 Annapolis Junction, MD 20701 THIRD SERIES, VOLUME 90, NUMBER 5 CONTENTS D1 SEPTEMBER 2014 RAPID COMMUNICATIONS Measurement of the electric charge of the top quark in tt¯ events (8 pages) ........................................................ 051101(R) V. M. Abazov et al. (D0 Collaboration) BRST-symmetry breaking and Bose-ghost propagator in lattice minimal Landau gauge (5 pages) ............................. 051501(R) Attilio Cucchieri, David Dudal, Tereza Mendes, and Nele Vandersickel ARTICLES pffiffiffi Search for supersymmetry in events with four or more leptons in s ¼ 8 TeV pp collisions with the ATLAS detector (33 pages) ................................................................................................................................. 052001 G. Aad et al. (ATLAS Collaboration) pffiffiffi Low-mass vector-meson production at forward rapidity in p þ p collisions at s ¼ 200 GeV (12 pages) .................. 052002 A. Adare et al. (PHENIX Collaboration) Measurement of Collins asymmetries in inclusive production of charged pion pairs in eþe− annihilation at BABAR (26 pages) 052003 J. P. Lees et al. (BABAR Collaboration) Measurement of the Higgs boson mass from the H → γγ and H → ZZÃ → 4l channels in pp collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector (35 pages) ................................................................... 052004 G. Aad et al. (ATLAS Collaboration) pffiffiffi Search for high-mass dilepton resonances in pp collisions at s ¼ 8 TeV with the ATLAS detector (30 pages) .......... 052005 G. Aad et al. (ATLAS Collaboration) Search for low-mass dark matter with CsI(Tl) crystal detectors (6 pages) .......................................................... 052006 H. -
GSS: Gauge and String Theories
GSS: Gauge and String Theories S. Bellucci (Resp.), S. Ferrara (Ass.), S. Krivonos (Osp.), A. Sutulin (Bors. PD), B.N. Tiwari (Ospite), A. Yeranyan (Bors. Fermi Institute) Research Activity S. Ferrara investigated different aspects of black-hole physics, which include a classification of charge- orbits for extremal single-center black holes and first-order flows of extremal black holes with different BPS properties. He also investigated some aspects of multi-center black holes and, in particular, the classification of two-center orbits and first order flows for multi-center composites. He studied several aspects of supersymmetry breaking. Applications to Particle Physics or to inflation rest on N=1 spontaneously broken supergravity where some multiplets mediate supersymmetry breaking while others accommodate the inflaton. The supersymmetric extension of the Starobinsky model depends on the off-shell formulation of the local supersymmetry algebra. This allows one to show the equivalence of this higher curvature theory to a standard Einstein supergravity. Depending on the chosen formulation the model corresponds to supergravity coupled either to two massive chiral multiplets, one of which is the goldstino multiplet, or to a massive vector multiplet. He also introduced a set of minimal models, where the inflaton sector is described by a single scalar field (with D term and Fayet-Iliopoulos term generating potential), unlike in models based on chiral multiplets based on an F-term potential. In minimal models the scalaron is dual to the inflaton, and being the member of a massive vector multiplet, it is the superpartner of the Stueckelberg field. Subsequently, replacing the Goldstino multiplet with its non-linear realization via a nilpotent superfield, he arrived at a new universal Volkov-Akulov-Starobinsky Supergravity. -
Dark Matter with Density-Dependent Interactions
University of Pennsylvania ScholarlyCommons Department of Physics Papers Department of Physics 12-28-2012 Dark Matter with Density-dependent Interactions Kimberly K. Boddy California Institute of Technology Sean M. Carroll California Institute of Technology Mark Trodden University of Pennsylvania, [email protected] Follow this and additional works at: https://repository.upenn.edu/physics_papers Part of the Physics Commons Recommended Citation Boddy, K. K., Carroll, S. M., & Trodden, M. (2012). Dark Matter with Density-dependent Interactions. Retrieved from https://repository.upenn.edu/physics_papers/272 Boddy, K. K., Carroll, S. M., & Trodden, M. (2012). Dark Matter with Density-dependent Interactions. Physical Review D, 86(12), 123529. doi: 10.1103/PhysRevD.86.123529 © 2012 American Physical Society This paper is posted at ScholarlyCommons. https://repository.upenn.edu/physics_papers/272 For more information, please contact [email protected]. Dark Matter with Density-dependent Interactions Abstract The decay and annihilation cross sections of dark matter particles may depend on the value of a chameleonic scalar field that both evolves cosmologically and takes different values depending on the local matter density. This possibility introduces a separation between the physics relevant for freeze-out and that responsible for dynamics and detection in the late universe. We investigate how such dark sector interactions might be implemented in a particle physics Lagrangian and consider how current and upcoming observations and experiments bound such dark matter candidates. A specific simple model allows for an increase in the annihilation cross section by a factor of 106 between freeze-out and today, while more complicated models should also allow for scattering cross sections near the astrophysical bounds. -
Global Program
PROGRAM Monday morning, July 13th La Sapienza Roma - Aula Magna 09:00 - 10:00 Inaugural Session Chairperson: Paolo de Bernardis Welcoming addresses Remo Ruffini (ICRANet), Yvonne Choquet-Bruhat (French Académie des Sciences), Jose’ Funes (Vatican City), Ricardo Neiva Tavares (Ambassador of Brazil), Sargis Ghazaryan (Ambassador of Armenia), Francis Everitt (Stanford University) and Chris Fryer (University of Arizona) Marcel Grossmann Awards Yakov Sinai, Martin Rees, Sachiko Tsuruta, Ken’Ichi Nomoto, ESA (acceptance speech by Johann-Dietrich Woerner, ESA Director General) Lectiones Magistrales Yakov Sinai (Princeton University) 10:00 - 10:35 Deterministic chaos Martin Rees (University of Cambridge) 10:35 - 11:10 How our understanding of cosmology and black holes has been revolutionised since the 1960s 11:10 - 11:35 Group Picture - Coffee Break Gerard 't Hooft (University of Utrecht) 11:35 - 12:10 Local Conformal Symmetry in Black Holes, Standard Model, and Quantum Gravity Plenary Session: Mathematics and GR Katarzyna Rejzner (University of York) 12:10 - 12:40 Effective quantum gravity observables and locally covariant QFT Zvi Bern (UCLA Physics & Astronomy) 12:40 - 13:10 Ultraviolet surprises in quantum gravity 14:30 - 18:00 Parallel Session 18:45 - 20:00 Stephen Hawking (teleconference) (University of Cambridge) Public Lecture Fire in the Equations Monday afternoon, July 13th Code Classroom Title Chairperson AC2 ChN1 MHD processes near compact objects Sergej Moiseenko FF Extended Theories of Gravity and Quantum Salvatore Capozziello, Gabriele AT1 A Cabibbo Cosmology Gionti AT3 A FF3 Wormholes, Energy Conditions and Time Machines Francisco Lobo Localized selfgravitating field systems in the AT4 FF6 Dmitry Galtsov, Michael Volkov Einstein and alternatives theories of gravity BH1:Binary Black Holes as Sources of Pablo Laguna, Anatoly M. -
Ads₄/CFT₃ and Quantum Gravity
AdS/CFT and quantum gravity Ioannis Lavdas To cite this version: Ioannis Lavdas. AdS/CFT and quantum gravity. Mathematical Physics [math-ph]. Université Paris sciences et lettres, 2019. English. NNT : 2019PSLEE041. tel-02966558 HAL Id: tel-02966558 https://tel.archives-ouvertes.fr/tel-02966558 Submitted on 14 Oct 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Prepar´ ee´ a` l’Ecole´ Normale Superieure´ AdS4/CF T3 and Quantum Gravity Soutenue par Composition du jury : Ioannis Lavdas Costas BACHAS Le 03 octobre 2019 Ecole´ Normale Superieure Directeur de These Guillaume BOSSARD Ecole´ Polytechnique Membre du Jury o Ecole´ doctorale n 564 Elias KIRITSIS Universite´ Paris-Diderot et Universite´ de Rapporteur Physique en ˆIle-de-France Crete´ Michela PETRINI Sorbonne Universite´ President´ du Jury Nicholas WARNER University of Southern California Membre du Jury Specialit´ e´ Alberto ZAFFARONI Physique Theorique´ Universita´ Milano-Bicocca Rapporteur Contents Introduction 1 I 3d N = 4 Superconformal Theories and type IIB Supergravity Duals6 1 3d N = 4 Superconformal Theories7 1.1 N = 4 supersymmetric gauge theories in three dimensions..............7 1.2 Linear quivers and their Brane Realizations...................... 10 1.3 Moduli Space and Symmetries............................ -
Exotic Acceleration Mechanisms
Exotic Acceleration Mechanisms Mark Trodden U.Penn/Syracuse University Stanford Linear Accelerator Center SLAC Summer Institute 8/11/2008 Outline • Introduction. • A Disclaimer • Topological Defects (I’ll focus on these) - Overview - Classification and Formation - Dynamics - Examples - cusps, superconducting strings, cosmic necklaces • Superheavy Dark Matter (Briefly) - Generation - Preheating - Annihilations and Decays • Lorentz Violations (Even more briefly) • Summary and Conclusions Mark Trodden, U.Penn/Syracuse University SLAC Summer Institute Exotic Acceleration Mechanisms Stanford Linear Accelerator Center, 8/11/2008 Disclaimer • I am not a cosmic ray physicist! • I don’t write papers on this topic! • I really am not a cosmic ray expert in any way! • Honestly! But ... • My particular topic isn’t really about cosmic rays. • It is really about the types of beyond the standard model physics, (both particle physics and cosmology) that can give rise to tremendously high particles in today’s universe. • I do know a bit about that. • Hopefully! Mark Trodden, U.Penn/Syracuse University SLAC Summer Institute Exotic Acceleration Mechanisms Stanford Linear Accelerator Center, 8/11/2008 Main Point We seek extremely high energy particles in today’s universe There are really two broad ways in which one can imagine getting these • Astrophysics: Interacting matter in today’s universe conspires to accelerate particles to high velocities. • Cosmology: Here there is a problem - the universe cools! No simple equilibrium process leads to high energy particles being produced cosmologically in today’s universe. • To get around this need to somehow “preserve” some of the early, high-energy universe, and then persuade it to give up its energy as highly-accelerated particles today. -
Singlet Glueballs in Klebanov-Strassler Theory
Singlet Glueballs In Klebanov-Strassler Theory A DISSERTATION SUBMITTED TO THE FACULTY OF THE GRADUATE SCHOOL OF THE UNIVERSITY OF MINNESOTA BY IVAN GORDELI IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF Doctor of Philosophy ARKADY VAINSHTEIN April, 2016 c IVAN GORDELI 2016 ALL RIGHTS RESERVED Acknowledgements First of all I would like to thank my scientific adviser - Arkady Vainshtein for his incredible patience and support throughout the course of my Ph.D. program. I would also like to thank my committee members for taking time to read and review my thesis, namely Ronald Poling, Mikhail Shifman and Alexander Voronov. I am deeply grateful to Vasily Pestun for his support and motivation. Same applies to my collaborators Dmitry Melnikov and Anatoly Dymarsky who have suggested this research topic to me. I am thankful to my other collaborator - Peter Koroteev. I would like to thank Emil Akhmedov, A.Yu. Morozov, Andrey Mironov, M.A. Olshanetsky, Antti Niemi, K.A. Ter-Martirosyan, M.B. Voloshin, Andrey Levin, Andrei Losev, Alexander Gorsky, S.M. Kozel, S.S. Gershtein, M. Vysotsky, Alexander Grosberg, Tony Gherghetta, R.B. Nevzorov, D.I. Kazakov, M.V. Danilov, A. Chervov and all other great teachers who have shaped everything I know about Theoretical Physics. I am deeply grateful to all my friends and colleagues who have contributed to discus- sions and supported me throughout those years including A. Arbuzov, L. Kushnir, K. Kozlova, A. Shestov, V. Averina, A. Talkachova, A. Talkachou, A. Abyzov, V. Poberezh- niy, A. Alexandrov, G. Nozadze, S. Solovyov, A. Zotov, Y. Chernyakov, N. -
Qaisar Shafi Studied for His B
Qaisar Shafi received his BSc and his PhD in Theoretical Physics from Imperial College, London. England. His PhD advisor was the late Abdus Salam who received the Nobel Prize for Theoretical Physics in 1979. After completing his PhD, Professor Shafi held prestigious postdoctoral and research fellowships including an Alexander von Humboldt fellowship at the Universities of Munich and Aachen, Germany, and a senior fellowship at CERN in Geneva, Switzerland. He also completed his Habilitation with venia legendi at the University of Freiburg, Germany. He joined the Bartol Research Institute at the University of Delaware in 1983. Throughout his career at the University of Delaware, Professor Shafi has maintained close ties to the ICTP (International Center for Theoretical Physics) in Trieste, Italy where he directed more than a dozen summer schools in High Energy Physics and Cosmology. He also (co-)directed a NATO school and several summer schools in High Energy Physics organized under BCSVPIN (an acronym denoting the countries Bangladesh, China, Sri Lanka, Vietnam, Pakistan, and India), an international science network, founded in collaboration with Abdus Salam and Jogesh Pati, and continued by Professor Shafi. Qaisar Shafi is an internationally recognized expert in Elementary Particle (High Energy) Physics and Cosmology; his current research areas include Higgs boson, supersymmetry, new physics at the LHC, dark matter particle, inflationary cosmology and primordial gravity waves, origin of matter in the universe and nature of dark energy. Professor Shafi has supervised a large number of postdoctoral fellows and PhD students, and created a global network of collaborators. Many of his former students and postdocs have become highly respected scientists in their home countries. -
ILC Cosmology
Cosmology and the International Linear Collider Mark Trodden Syracuse University Aspen Winter Workshop Aspen Center for Physics 2/15/2005 Outline • A very brief review, following Josh and Lawrence • The ALCPG Working Group on Cosmological Connections • Dark Matter • The Baryon Asymmetry of the Universe • Dark Energy and Inflation (!) [See related talks by Josh Frieman, Lawrence Krauss, Carlos Wagner, Shufang Su, Geraldine Servant, Aaron Chou, Greg Tarle, Sean Carroll, plus talks on neutrinos (which I haven’t mentioned here). Sorry if I’ve missed anyone!] Particle physics and cosmology, as disciplines independent of one another, no longer exist. Our most fundamental questions are now the same and we are approaching them in complementary ways. We don’t know what these particles are but we have some well-motivated ideas We know what these particles are but not why they haven’t met their antiparticles We have absolutely no idea what this stuff is and we have no ideas that are well-motivated and well-developed! Colliders as Time Machines The ALCPG Working Group on Cosmological Connections http://www.physics.syr.edu/~trodden/lc-cosmology/ Editorial Committee: • Marco Battaglia (Berkeley) • Jonathan Feng (Irvine, co-Chair) [email protected] • Norman Graf (SLAC) • Michael Peskin (SLAC) • Mark Trodden (Syracuse, co-Chair) [email protected] Have commissioned many new studies in addition to Synthesizing existing results into a single coherent picture Although a couple of months later than anticipated, analyses will be reported at LCWS 2005 at Stanford -
Annual Report 2010 Report Annual IPMU ANNUAL REPORT 2010 April 2010 April – March 2011March
IPMU April 2010–March 2011 Annual Report 2010 IPMU ANNUAL REPORT 2010 April 2010 – March 2011 World Premier International Institute for the Physics and Mathematics of the Universe (IPMU) Research Center Initiative Todai Institutes for Advanced Study Todai Institutes for Advanced Study The University of Tokyo 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8583, Japan TEL: +81-4-7136-4940 FAX: +81-4-7136-4941 http://www.ipmu.jp/ History (April 2010–March 2011) April • Workshop “Recent advances in mathematics at IPMU II” • Press Release “Shape of dark matter distribution” • Mini-Workshop “Cosmic Dust” May • Shaw Prize to David Spergel • Press Release “Discovery of the most distant cluster of galaxies” • Press Release “An unusual supernova may be a missing link in stellar evolution” June • CL J2010: From Massive Galaxy Formation to Dark Energy • Press Conference “Study of type Ia supernovae strengthens the case for the dark energy” July • Institut d’Astrophysique de Paris Medal (France) to Ken’ichi Nomoto • IPMU Day of Extra-galactic Astrophysics Seminars: Chemical Evolution August • Workshop “Galaxy and cosmology with Thirty Meter Telescope (TMT)” September • Subaru Future Instrumentation Workshop • Horiba International Conference COSMO/CosPA October • The 3rd Anniversary of IPMU, All Hands Meeting and Reception • Focus Week “String Cosmology” • Nishinomiya-Yukawa Memorial Prize to Eiichiro Komatsu • Workshop “Evolution of massive galaxies and their AGNs with the SDSS-III/BOSS survey” • Open Campus Day: Public lecture, mini-lecture and exhibits November