Angular analysis of B0 d → K∗μ+μ− decays in pp collisions at $$ \sqrt{s}=8 $$ TeV with the ATLAS detector
M. AaboudFaculté des Sciences, Université Mohamed Premier and LPTPM, Oujda, MoroccoG. AadCPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, FranceB. AbbottHomer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, OK, United States of AmericaO. AbdinovInstitute of Physics, Azerbaijan Academy of Sciences, Baku, AzerbaijanB. AbeloosLAL, Université Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, FranceHaider AbidiDepartment of Physics, University of Toronto, Toronto, ON, CanadaO. S. AbouZeidSanta Cruz Institute for Particle Physics, University of California Santa Cruz, Santa Cruz, CA, United States of AmericaN. L. AbrahamDepartment of Physics and Astronomy, University of Sussex, Brighton, United KingdomH. AbramowiczRaymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, IsraelH. AbreuDepartment of Physics, Technion, Israel Institute of Technology, Haifa, IsraelR. AbreuCenter for High Energy Physics, University of Oregon, Eugene, OR, United States of AmericaY. AbulaitiDepartment of Physics, Stockholm University, Stockholm, SwedenB. S. AcharyaINFN Gruppo Collegato di Udine, Sezione di Trieste, Udine, ItalyS. AdachiInternational Center for Elementary Particle Physics and Department of Physics, University of Tokyo, Tokyo, JapanL. AdamczykAGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, PolandJahred AdelmanDepartment of Physics, Northern Illinois University, DeKalb, IL, United States of AmericaM. AdersbergerFakultät für Physik, Ludwig-Maximilians-Universität München, München, GermanyTim AdyeParticle Physics Department, Rutherford Appleton Laboratory, Didcot, United KingdomTony AffolderSanta Cruz Institute for Particle Physics, University of California Santa Cruz, Santa Cruz, CA, United States of AmericaT. Agatonović-JovinInstitute of Physics, University of Belgrade, Belgrade, SerbiaC. AgheorghieseiDepartment of Physics, Alexandru Ioan Cuza University of Iasi, Iasi, RomaniaJ. A. Aguilar–SaavedraLaboratório de Instrumentação e Física Experimental de Partículas - LIP, Lisboa, PortugalF. AhmadovInstitute of Physics, Azerbaijan Academy of Sciences, Baku, AzerbaijanGiulio AielliINFN Sezione di Roma Tor Vergata, Roma, ItalyS. AkatsukaFaculty of Science, Kyoto University, Kyoto, JapanH. ÅkerstedtDepartment of Physics, Stockholm University, Stockholm, SwedenTorsten AkessonFysiska institutionen, Lunds universitet, Lund, SwedenE. AkilliDépartement de Physique Nucléaire et Corpusculaire, Université de Genève, Genève, SwitzerlandA. V. AkimovP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, RussiaGian Luigi AlberghiDipartimento di Fisica e Astronomia, Università di Bologna, Bologna, ItalyJ. AlbertDepartment of Physics and Astronomy, University of Victoria, Victoria, BC, CanadaP. AlbicoccoINFN e Laboratori Nazionali di Frascati, Frascati, ItalyM. J. Alconada VerziniInstituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, ArgentinaSara AlderweireldtInstitute for Mathematics, Astrophysics and Particle Physics, Radboud University Nijmegen/Nikhef, Nijmegen, NetherlandsM. AleksaCERN, Geneva, SwitzerlandI. N. AleksandrovJoint Institute for Nuclear Research, Dubna, RussiaC. AlexaHoria Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, RomaniaG. AlexanderRaymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, IsraelT. AlexopoulosPhysics Department, National Technical University of Athens, Zografou, GreeceMuhammad AlhroobHomer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, OK, United States of AmericaBabar AliII. Physikalisches Institut, Georg-August-Universität Göttingen, Göttingen, GermanyGianluca AlimontiINFN Sezione di Milano, Milano, ItalyJ. AlisonEnrico Fermi Institute, University of Chicago, Chicago, IL, United States of AmericaS. P. AlkireNevis Laboratory, Columbia University, Irvington, NY, United States of AmericaB. M. M. AllbrookeDepartment of Physics and Astronomy, University of Sussex, Brighton, United KingdomB. W. AllenCenter for High Energy Physics, University of Oregon, Eugene, OR, United States of AmericaPhilip Patrick AllportSchool of Physics and Astronomy, University of Birmingham, Birmingham, United KingdomA. AloisioINFN Sezione di Napoli, Napoli, ItalyA. AlonsoNiels Bohr Institute, University of Copenhagen, Copenhagen, DenmarkF. AlonsoInstituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, ArgentinaCristiano AlpigianiDepartment of Physics, University of Washington, Seattle, WA, United States of AmericaA. A. AlshehriSUPA - School of Physics and Astronomy, University of Glasgow, Glasgow, United KingdomM. I. AlstatyCPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, FranceB. Álvarez GonzálezCERN, Geneva, SwitzerlandD. Álvarez PiquerasInstituto de Física Corpuscular (IFIC), Centro Mixto Universidad de Valencia – CSIC, Valencia, SpainM. G. AlviggiINFN Sezione di Napoli, Napoli, ItalyB. T. AmadioPhysics Division, Lawrence Berkeley National Laboratory and University of California, Berkeley, CA, United States of AmericaY. Amaral CoutinhoUniversidade Federal do Rio De Janeiro COPPE/EE/IF, Rio de Janeiro, BrazilC. AmelungDepartment of Physics, Brandeis University, Waltham, MA, United States of AmericaDante AmideiDepartment of Physics, University of Michigan, Ann Arbor, MI, United States of AmericaS. P. Amor Dos SantosLaboratório de Instrumentação e Física Experimental de Partículas - LIP, Lisboa, PortugalA. AmorimLaboratório de Instrumentação e Física Experimental de Partículas - LIP, Lisboa, PortugalS. AmorosoCERN, Geneva, SwitzerlandG. AmundsenDepartment of Physics, Brandeis University, Waltham, MA, United States of AmericaChristos AnastopoulosDepartment of Physics and Astronomy, University of Sheffield, Sheffield, United KingdomL. S. AncuDépartement de Physique Nucléaire et Corpusculaire, Université de Genève, Genève, SwitzerlandN. AndariSchool of Physics and Astronomy, University of Birmingham, Birmingham, United KingdomT. AndeenDepartment of Physics, University of Texas at Austin, Austin, TX, United States of AmericaC. F. AndersPhysikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyJohn Kenneth AndersOliver Lodge Laboratory, University of Liverpool, Liverpool, United KingdomK. J. AndersonEnrico Fermi Institute, University of Chicago, Chicago, IL, United States of AmericaA. AndreazzaINFN Sezione di Milano, Milano, ItalyV. AndreiKirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyS. AngelidakisPhysics Department, National and Kapodistrian University of Athens, Athens, GreeceI. AngelozziNikhef National Institute for Subatomic Physics and University of Amsterdam, Amsterdam, NetherlandsAaron AngeramiNevis Laboratory, Columbia University, Irvington, NY, United States of AmericaAlexey AnisenkovBudker Institute of Nuclear Physics, SB RAS, Novosibirsk, RussiaN. AnjosInstitut de Física d’Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, SpainAlberto AnnoviINFN Sezione di Pisa, Pisa, ItalyC. AntelKirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyMario AntonelliINFN e Laboratori Nazionali di Frascati, Frascati, ItalyA. AntonovNational Research Nuclear University MEPhI, Moscow, RussiaD. J. A. AntrimDepartment of Physics and Astronomy, University of California Irvine, Irvine, CA, United States of AmericaF. AnulliINFN Sezione di Roma, Roma, ItalyMasato AokiKEK, High Energy Accelerator Research Organization, Tsukuba, JapanL. Aperio BellaCERN, Geneva, SwitzerlandG. ArabidzeDepartment of Physics and Astronomy, Michigan State University, East Lansing, MI, United States of AmericaY. AraiKEK, High Energy Accelerator Research Organization, Tsukuba, JapanJ. P. AraqueLaboratório de Instrumentação e Física Experimental de Partículas - LIP, Lisboa, PortugalV. Araujo FerrazUniversidade Federal do Rio De Janeiro COPPE/EE/IF, Rio de Janeiro, BrazilA. T. H. ArceDepartment of Physics, Duke University, Durham, NC, United States of AmericaR. E. ArdellDepartment of Physics, Royal Holloway University of London, Egham, United KingdomF. A. ArduhInstituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, ArgentinaJ-F. ArguinGroup of Particle Physics, University of Montreal, Montreal, QC, CanadaS. ArgyropoulosUniversity of Iowa, Iowa City, IA, United States of AmericaM. ArikDepartment of Physics, Bogazici University, Istanbul, TurkeyA. J. ArmbrusterCERN, Geneva, SwitzerlandL. J. ArmitageSchool of Physics and Astronomy, Queen Mary University of London, London, United KingdomO. ArnaezDepartment of Physics, University of Toronto, Toronto, ON, CanadaH. ArnoldPhysikalisches Institut, Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
2018en
ABI
Annotatsiya
A bstract An angular analysis of the decay B d 0 → K ∗ μ + μ − is presented, based on proton-proton collision data recorded by the ATLAS experiment at the LHC. The study is using 20.3 fb −1 of integrated luminosity collected during 2012 at centre-of-mass energy of $$ \sqrt{s}=8 $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>8</mml:mn></mml:math> TeV. Measurements of the K * longitudinal polarisation fraction and a set of angular parameters obtained for this decay are presented. The results are compatible with the Standard Model predictions.
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