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Spectra and mean multiplicities of π− in central 40Ar+45Sc collisions at 13A, 19A, 30A, 40A, 75A and 150A GeV/c beam momenta measured by the NA61/SHINE spectrometer at the CERN SPS

A. Acharya, H. Adhikary, K. K. Allison, Evgeny V. Andronov, Tome Antičić, Vadim A. Babkin, Mateusz Baszczyk, S. Bhosale, A. Blondel, Mariyan Bogomilov, Andrei V. Brandin, Alessandro Bravar, Wojciech Bryliński, Janusz Brzychczyk, M. Buryakov, O. Busygina, A. Bzdak, H. Cherif, M. Ćirković, Máté Csanád, J. Cybowska, T. Czopowicz, A. Damyanova, N. Davis, M. Deliyergiyev, Michael Deveaux, A. Dmitriev, W. Dominik, Piotr Dorosz, J. Dumarchez, Ralph Engel, Grigori A. Feofilov, L. Fields, Zoltán Fodor, A. Garibov, Marek Gaździcki, Oleg Golosov, V. Golovatyuk, Marina Golubeva, Katarzyna Grebieszkow, Fedor Guber, A. Haesler, Sergey N. Igolkin, Stoyanka Ilieva, Alexander Ivashkin, S. R. Johnson, Krešo Kadija, N. Kargin, E. Kashirin, Mirosław Kiełbowicz, Viktar A. Kireyeu, Viktor Klochkov, Vadim I. Kolesnikov, D. Kolev, A. Korzenev, V. N. Kovalenko, S. Kowalski, Michal Koziel, B. Kozłowski, A. Krasnoperov, Wojciech Kucewicz, M. Kuich, Alexander Kurepin, Dag Toppe Larsen, A. László, Tatiana V. Lazareva, M. Lewicki, K. Łojek, V. V. Lyubushkin, Maja Maćkowiak-Pawłowska, Zbigniew Majka, B. Maksiak, Aleksandr I. Malakhov, A. Marcinek, A. D. Marino, K. Marton, H. -J. Mathes, Tomasz Matulewicz, V. Matveev, Georgy L. Melkumov, Anastasia O. Merzlaya, B. Messerly, Łukasz Mik, Sergey Morozov, Y. Nagai, Michał Naskręt, Vitalii Ozvenchuk, V. Paolone, Oleg Petukhov, I. Pidhurskyi, Roman Płaneta, P. Podlaski, B. A. Popov, B. Porfy, M. Posiadała-Zezula, D. S. Prokhorova, Damian Pszczel, S. Puławski, Jovan Puzović, M. Ravonel, Rainer Arno Ernst Renfordt, Dieter Röhrich, E. Rondio, M. Roth, Brant T. Rumberger, M. Rumyantsev, Anar Rustamov, Maciej Rybczyński, Andrzej Rybicki, Samrangy Sadhu, Alexander Sadovsky, K. Schmidt, Ilya Selyuzhenkov, A. Yu. Seryakov, Peter Seyboth, M. Słodkowski, P. Staszel, Grzegorz Stefanek, J. Stepaniak, Michail Nikolaevič Strichanov, Herbert Ströbele, Tatjana Šuša, Arkadiy Taranenko, A. Tefelska, Dariusz Tefelski, V. Tereshchenko, Alberica Toia, R. Tsenov, L. Turko, R. Ulrich, M. Unger, Denis Uzhva, F. F. Valiev, Darko Veberič, V. V. Vechernin, A. Wickremasinghe, K. Wójcik, Oskar Wyszyński, A. Zaitsev, E. D. Zimmerman, Robert Zwaska

  • The physics goal of the strong interaction program of the NA61/SHINE experiment at the CERN Super Proton Synchrotron (SPS) is to study the phase diagram of hadronic matter by a scan of particle production in collisions of nuclei with various sizes at a set of energies covering the SPS energy range. This paper presents differential inclusive spectra of transverse momentum, transverse mass and rapidity of π− mesons produced in central 40Ar+45Sc collisions at beam momenta of 13A, 19A, 30A, 40A, 75A and 150A Ge V /c. Energy and system size dependence of parameters of these distributions – mean transverse mass, the inverse slope parameter of transverse mass spectra, width of the rapidity distribution and mean multiplicity – are presented and discussed. Furthermore, the dependence of the ratio of the mean number of produced pions to the mean number of wounded nucleons on the collision energy was derived. The results are compared to predictions of several models.

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Author:A. Acharya, H. Adhikary, K. K. Allison, Evgeny V. AndronovORCiD, Tome AntičićORCiD, Vadim A. BabkinORCiD, Mateusz Baszczyk, S. Bhosale, A. Blondel, Mariyan BogomilovORCiD, Andrei V. Brandin, Alessandro BravarORCiD, Wojciech Bryliński, Janusz BrzychczykORCiD, M. Buryakov, O. Busygina, A. Bzdak, H. Cherif, M. Ćirković, Máté CsanádORCiD, J. Cybowska, T. Czopowicz, A. Damyanova, N. Davis, M. Deliyergiyev, Michael DeveauxORCiDGND, A. Dmitriev, W. Dominik, Piotr Dorosz, J. Dumarchez, Ralph EngelGND, Grigori A. FeofilovORCiD, L. Fields, Zoltán FodorGND, A. Garibov, Marek GaździckiORCiDGND, Oleg GolosovORCiD, V. Golovatyuk, Marina Golubeva, Katarzyna GrebieszkowORCiD, Fedor GuberORCiD, A. Haesler, Sergey N. Igolkin, Stoyanka IlievaGND, Alexander IvashkinORCiD, S. R. Johnson, Krešo Kadija, N. Kargin, E. Kashirin, Mirosław KiełbowiczORCiD, Viktar A. KireyeuORCiD, Viktor KlochkovORCiD, Vadim I. KolesnikovORCiD, D. Kolev, A. Korzenev, V. N. Kovalenko, S. Kowalski, Michal Koziel, B. Kozłowski, A. Krasnoperov, Wojciech Kucewicz, M. Kuich, Alexander KurepinORCiD, Dag Toppe LarsenORCiD, A. László, Tatiana V. LazarevaORCiD, M. Lewicki, K. Łojek, V. V. Lyubushkin, Maja Maćkowiak-PawłowskaORCiDGND, Zbigniew MajkaORCiD, B. Maksiak, Aleksandr I. MalakhovGND, A. Marcinek, A. D. Marino, K. Marton, H. -J. Mathes, Tomasz Matulewicz, V. Matveev, Georgy L. Melkumov, Anastasia O. MerzlayaORCiD, B. Messerly, Łukasz Mik, Sergey Morozov, Y. Nagai, Michał NaskrętORCiD, Vitalii OzvenchukORCiDGND, V. Paolone, Oleg Petukhov, I. Pidhurskyi, Roman PłanetaORCiD, P. Podlaski, B. A. Popov, B. Porfy, M. Posiadała-Zezula, D. S. Prokhorova, Damian PszczelORCiD, S. Puławski, Jovan Puzović, M. Ravonel, Rainer Arno Ernst Renfordt, Dieter RöhrichORCiD, E. Rondio, M. Roth, Brant T. Rumberger, M. Rumyantsev, Anar RustamovORCiDGND, Maciej RybczyńskiORCiD, Andrzej RybickiORCiD, Samrangy SadhuORCiD, Alexander SadovskyGND, K. Schmidt, Ilya SelyuzhenkovORCiD, A. Yu. Seryakov, Peter SeybothORCiDGND, M. Słodkowski, P. Staszel, Grzegorz StefanekORCiD, J. Stepaniak, Michail Nikolaevič StrichanovORCiDGND, Herbert Ströbele, Tatjana ŠušaORCiD, Arkadiy TaranenkoORCiD, A. Tefelska, Dariusz TefelskiORCiD, V. Tereshchenko, Alberica ToiaORCiD, R. Tsenov, L. Turko, R. Ulrich, M. Unger, Denis UzhvaORCiD, F. F. Valiev, Darko VeberičORCiD, V. V. Vechernin, A. Wickremasinghe, K. Wójcik, Oskar WyszyńskiORCiD, A. Zaitsev, E. D. Zimmerman, Robert ZwaskaORCiD
URN:urn:nbn:de:hebis:30:3-702726
DOI:https://doi.org/10.1140/epjc/s10052-021-09135-3
ISSN:1434-6052
ISSN:1434-6044
Parent Title (English):The European physical journal. C, Particles and fields
Publisher:Springer
Place of publication:Berlin ; Heidelberg
Document Type:Article
Language:English
Year of Completion:2021
Year of first Publication:2021
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:NA61/SHINE Collaboration
Release Date:2022/10/13
Volume:81
Issue:397
Page Number:25
HeBIS-PPN:504950975
Institutes:Physik / Physik
Wissenschaftliche Zentren und koordinierte Programme / Frankfurt Institute for Advanced Studies (FIAS)
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0