Measurement of pion, kaon and proton production in proton–proton collisions at $$\sqrt{s} = 7$$ s = 7 TeV
J. AdamFaculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Prague, Czech RepublicD. AdamováNuclear Physics Institute, Academy of Sciences of the Czech Republic, Řež u Prahy, Czech RepublicM. M. AggarwalPhysics Department, Panjab University, Chandigarh, IndiaG. Aglieri RinellaEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandM. AgnelloSezione INFN, Turin, ItalyN. AgrawalIndian Institute of Technology Bombay (IIT), Mumbai, IndiaZ. AhammedVariable Energy Cyclotron Centre, Kolkata, IndiaI. AhmedCOMSATS Institute of Information Technology (CIIT), Islamabad, PakistanS. U. AhnKorea Institute of Science and Technology Information, Daejeon, South KoreaI. AimoPolitecnico di Torino, Turin, ItalyS. AiolaYale University, New Haven, CT USAM. AjazCOMSATS Institute of Information Technology (CIIT), Islamabad, PakistanA. AkindinovInstitute for Theoretical and Experimental Physics, Moscow, RussiaSk Noor AlamVariable Energy Cyclotron Centre, Kolkata, IndiaD. AleksandrovRussian Research Centre Kurchatov Institute, Moscow, RussiaB. AlessandroSezione INFN, Turin, ItalyD. AlexandreSchool of Physics and Astronomy, University of Birmingham, Birmingham, UKR. Alfaro MolinaInstituto de Física, Universidad Nacional Autónoma de México, Mexico City, MexicoA. AliciCentro Fermi-Museo Storico della Fisica e Centro Studi e Ricerche "Enrico Fermi", Rome, ItalyA. AlkinBogolyubov Institute for Theoretical Physics, Kiev, UkraineJ. AlmeFaculty of Engineering, Bergen University College, Mons, NorwayT. AltFrankfurt Institute for Advanced Studies, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, GermanyS. AltinpinarDepartment of Physics and Technology, University of Bergen, Mons, NorwayI. AltsybeevC. Alves Garcia PradoUniversidade de São Paulo (USP), São Paulo, BrazilC. AndreiA. AndronicResearch Division and ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, GermanyV. AnguelovPhysikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyJ. AnielskiInstitut für Kernphysik, Westfälische Wilhelms-Universität Münster, Münster, GermanyT. AntičićRudjer Bošković Institute, Zagreb, CroatiaF. AntinoriSezione INFN, Padova, ItalyP. AntonioliSezione INFN, Bologna, ItalyL. AphecetcheSUBATECH, Ecole des Mines de Nantes, Université de Nantes, CNRS-IN2P3, Nantes, FranceH. AppelshäuserInstitut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, GermanyS. ArcelliDipartimento di Fisica e Astronomia dell'Università and Sezione INFN, Bologna, ItalyN. ArmestoDepartamento de Física de Partículas and IGFAE, Universidad de Santiago de Compostela, Santiago de Compostela, SpainR. ArnaldiSezione INFN, Turin, ItalyT. AronssonYale University, New Haven, CT USAI. C. ArseneDepartment of Physics, University of Oslo, Oslo, NorwayM. ArslandokInstitut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, GermanyA. AugustinusEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandR. AverbeckResearch Division and ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, GermanyM. D. AzmiDepartment of Physics, Aligarh Muslim University, Aligarh, IndiaM. BachFrankfurt Institute for Advanced Studies, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, GermanyA. BadalàSezione INFN, Catania, ItalyY. W. BaekGangneung-Wonju National University, Gangneung, South KoreaS. BagnascoSezione INFN, Turin, ItalyR. BailhacheInstitut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, GermanyR. BalaPhysics Department, University of Jammu, Jammu, IndiaA. BaldisseriCommissariat à l'Energie Atomique, IRFU, Saclay, FranceM. BallPhysik Department, Technische Universität München, Munich, GermanyF. Baltasar Dos Santos PedrosaEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandR. C. BaralInstitute of Physics, Bhubaneswar, IndiaA. M. BarbanoSezione INFN, Turin, ItalyR. BarberaDipartimento di Fisica e Astronomia dell'Università and Sezione INFN, Catania, ItalyF. BarileDipartimento Interateneo di Fisica 'M. Merlin' and Sezione INFN, Bari, ItalyG. G. BarnaföldiWigner Research Centre for Physics, Hungarian Academy of Sciences, Budapest, HungaryL. S. BarnbySchool of Physics and Astronomy, University of Birmingham, Birmingham, UKV. BarretLaboratoire de Physique Corpusculaire (LPC), Clermont Université, Université Blaise Pascal, CNRS-IN2P3, Clermont-Ferrand, FranceP. BartaliniCentral China Normal University, Wuhan, ChinaJ. BartkeThe Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Cracow, PolandE. BartschInstitut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, GermanyM. BasileDipartimento di Fisica e Astronomia dell'Università and Sezione INFN, Bologna, ItalyN. BastidLaboratoire de Physique Corpusculaire (LPC), Clermont Université, Université Blaise Pascal, CNRS-IN2P3, Clermont-Ferrand, FranceS. BasuVariable Energy Cyclotron Centre, Kolkata, IndiaB. BathenInstitut für Kernphysik, Westfälische Wilhelms-Universität Münster, Münster, GermanyG. BatigneSUBATECH, Ecole des Mines de Nantes, Université de Nantes, CNRS-IN2P3, Nantes, FranceA. Batista CamejoLaboratoire de Physique Corpusculaire (LPC), Clermont Université, Université Blaise Pascal, CNRS-IN2P3, Clermont-Ferrand, FranceB. BatyunyaJoint Institute for Nuclear Research (JINR), Dubna, RussiaP. C. BatzingDepartment of Physics, University of Oslo, Oslo, NorwayI. G. BeardenNiels Bohr Institute, University of Copenhagen, Copenhagen, DenmarkH. BeckInstitut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, GermanyC. BeddaSezione INFN, Turin, ItalyN. K. BeheraIndian Institute of Technology Indore (IITI), Indore, IndiaI. BelikovInstitut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg, CNRS-IN2P3, Strasbourg, FranceF. BelliniDipartimento di Fisica e Astronomia dell'Università and Sezione INFN, Bologna, ItalyH. Martı́nezBenemérita Universidad Autónoma de Puebla, Puebla, MexicoR. BellwiedUniversity of Houston, Houston, TX USAR. BelmontWayne State University, Detroit, MI USAE. Belmont‐MorenoInstituto de Física, Universidad Nacional Autónoma de México, Mexico City, MexicoV. BelyaevMoscow Engineering Physics Institute, Moscow, RussiaG. BencédiWigner Research Centre for Physics, Hungarian Academy of Sciences, Budapest, HungaryS. BeolèDipartimento di Fisica dell'Università and Sezione INFN, Turin, ItalyI. BerceanuA. BercuciY. BerdnikovPetersburg Nuclear Physics Institute, Gatchina, RussiaD. BerényiWigner Research Centre for Physics, Hungarian Academy of Sciences, Budapest, HungaryR. A. BertensInstitute for Subatomic Physics of Utrecht University, Utrecht, The NetherlandsD. BerzanoDipartimento di Fisica dell'Università and Sezione INFN, Turin, ItalyL. BetevEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandA. BhasinPhysics Department, University of Jammu, Jammu, IndiaI. R. BhatPhysics Department, University of Jammu, Jammu, IndiaA. K. BhatiPhysics Department, Panjab University, Chandigarh, IndiaB. BhattacharjeeDepartment of Physics, Gauhati University, Guwahati, IndiaJ. BhomUniversity of Tsukuba, Tsukuba, JapanL. BianchiDipartimento di Fisica dell'Università and Sezione INFN, Turin, ItalyN. BianchiLaboratori Nazionali di Frascati, INFN, Frascati, ItalyC. BianchinInstitute for Subatomic Physics of Utrecht University, Utrecht, The NetherlandsJ. BielčíkFaculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Prague, Czech RepublicJ. BielčíkováNuclear Physics Institute, Academy of Sciences of the Czech Republic, Řež u Prahy, Czech Republic
2015en
ABI
Annotatsiya
The measurement of primary [Formula: see text], [Formula: see text], [Formula: see text] and [Formula: see text] production at mid-rapidity ([Formula: see text] 0.5) in proton-proton collisions at [Formula: see text][Formula: see text] 7 TeV performed with a large ion collider experiment at the large hadron collider (LHC) is reported. Particle identification is performed using the specific ionisation energy-loss and time-of-flight information, the ring-imaging Cherenkov technique and the kink-topology identification of weak decays of charged kaons. Transverse momentum spectra are measured from 0.1 up to 3 GeV/[Formula: see text] for pions, from 0.2 up to 6 GeV/[Formula: see text] for kaons and from 0.3 up to 6 GeV/[Formula: see text] for protons. The measured spectra and particle ratios are compared with quantum chromodynamics-inspired models, tuned to reproduce also the earlier measurements performed at the LHC. Furthermore, the integrated particle yields and ratios as well as the average transverse momenta are compared with results at lower collision energies.
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