Work

Multiplicity dependence of light (anti-)nuclei production in p–Pb collisions at sNN=5.02 TeV

Year: 2019
Type: article
Abstract: The measurement of the deuteron and anti-deuteron production in the rapidity range − 1 < y < 0 as a function of transverse momentum and event multiplicity in p–Pb collisions at s NN = 5.02 TeV is presented. (Anti-)deuterons are identified via their specific energy loss d E / d x and via their time-of-flight. Their production in p–Pb collisions is compared to pp and Pb–Pb collisions and is discussed within the context of thermal and coalescence models. The ratio of integrated yields of deuterons to protons (d/p) shows a significant increase as a function of the charged-particle multiplicity of the event starting from values similar to those observed in pp collisions at low multiplicities and approaching those observed in Pb–Pb collisions at high multiplicities. The mean transverse particle momenta are extracted from the deuteron spectra and the values are similar to those obtained for p and Λ particles. Thus, deuteron spectra do not follow mass ordering. This behaviour is in contrast to the trend observed for non-composite particles in p–Pb collisions. In addition, the production of the rare He 3 and He ‾ 3 nuclei has been studied. The spectrum corresponding to all non-single diffractive p-Pb collisions is obtained in the rapidity window − 1 < y < 0 and the p T -integrated yield d N /d y is extracted. It is found that the yields of protons, deuterons, and He 3 , normalised by the spin degeneracy factor, follow an exponential decrease with mass number.
Authors: S. Acharya, D. Adamová, S.P. Adhya, A. Adler, J. Adolfsson, M.M. Aggarwal, G. Aglieri Rinella, M. Agnello, N. Agrawal, Z. Ahammed, S. Ahmad, S.U. Ahn, A. Akindinov, M. Al-Turany, S.N. Alam, D.S.D. Albuquerque, D. Aleksandrov, B. Alessandro, H.M. Alfanda, R. Alfaro Molina, B. Ali, Y. Ali, A. Alici, A. Alkin, J. Alme, T. Alt, L. Altenkamper, I. Altsybeev, M.N. Anaam, C. Andrei, D. Andreou, H.A. Andrews, A. Andronic, M. Angeletti, V. Anguelov, C. Anson, T. Antičić, F. Antinori, P. Antonioli, R. Anwar, N. Apadula, L. Aphecetche, H. Appelshäuser, S. Arcelli, R. Arnaldi, M. Arratia, I.C. Arsene, M. Arslandok, A. Augustinus, R. Averbeck, S. Aziz, M.D. Azmi, A. Badalà, Y.W. Baek, S. Bagnasco, X. Bai, R. Bailhache, R. Bala, A. Baldisseri, M. Ball, S. Balouza, R.C. Baral, R. Barbera, L. Barioglio, G.G. Barnaföldi, L.S. Barnby, V. Barret, P. Bartalini, K. Barth, E. Bartsch, F. Baruffaldi, N. Bastid, S. Basu, G. Batigne, B. Batyunya, P.C. Batzing, D. Bauri, J.L. Bazo Alba, I.G. Bearden, C. Bedda, N.K. Behera, I. Belikov, F. Bellini, R. Bellwied, V. Belyaev, G. Bencedi, S. Beole, A. Bercuci, Y. Berdnikov, D. Berenyi, R.A. Bertens, D. Berzano, M.G. Besoiu, L. Betev, A. Bhasin, I.R. Bhat, M.A. Bhat, H. Bhatt, B. Bhattacharjee, A. Bianchi, L. Bianchi, N. Bianchi, J. Bielčík, J. Bielčíková, A. Bilandzic, G. Biro, R. Biswas, S. Biswas, J.T. Blair, D. Blau, C. Blume, G. Boca, F. Bock, A. Bogdanov, L. Boldizsár, A. Bolozdynya, M. Bombara, G. Bonomi, H. Borel, A. Borissov, M. Borri, H. Bossi, E. Botta, L. Bratrud, P. Braun-Munzinger, M. Bregant, T.A. Broker, M. Broz, E.J. Brucken, E. Bruna, G.E. Bruno, M.D. Buckland, D. Budnikov, H. Buesching, S. Bufalino, O. Bugnon, P. Buhler, P. Buncic, Z. Buthelezi, J.B. Butt, J.T. Buxton, D. Caffarri, A. Caliva, E. Calvo Villar, R.S. Camacho, P. Camerini, A.A. Capon, F. Carnesecchi, J. Castillo Castellanos, A.J. Castro, E.A.R. Casula, F. Catalano, C. Ceballos Sanchez, P. Chakraborty, S. Chandra, B. Chang, W. Chang, S. 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Language: Latvian
Open Access status: diamond
Funders: National Science Foundation, U.S. Department of Energy, National Research Centre, Türkiye Atom Enerjisi Kurumu, CERN, Institute for Innovative Science and Technology, Nagasaki Institute of Applied Science, National Research Foundation, Department of Science and Technology, Ministry of Science and Technology, India, Council of Scientific and Industrial Research, India, University Grants Commission, Department of Atomic Energy, Government of India, Agence Nationale de la Recherche, Ministry of Education, Culture, Sports, Science and Technology, Danmarks Grundforskningsfond, Fundação de Amparo à Pesquisa do Estado de São Paulo, National Natural Science Foundation of China, Österreichischen Akademie der Wissenschaften, Russian Foundation for Basic Research, Ministry of Education of the People's Republic of China, Bundesministerium für Bildung und Forschung, Austrian Science Fund, Consejo Nacional de Ciencia y Tecnología, Ministerstvo školstva, vedy, výskumu a športu Slovenskej republiky, Nederlandse Organisatie voor Wetenschappelijk Onderzoek, Ministry of Education and Science of the Russian Federation, General Secretariat for Research and Technology, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Korea Institute of Science and Technology, Korea Institute of Science and Technology Information, National Research Foundation of Korea, Joint Institute for Nuclear Research, National Science and Technology Development Agency, Suranaree University of Technology, Vetenskapsrådet, Narodowym Centrum Nauki, Hrvatska Zaklada za Znanost, Centre National de la Recherche Scientifique, Financiadora de Estudos e Projetos, Danmarks Frie Forskningsfond, Universidade Federal do Rio Grande do Sul, Norges Forskningsråd, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Russian Science Foundation, State Committee of Science, Fondo de Cooperación Internacional en Ciencia y Tecnología, Lembaga Ilmu Pengetahuan Indonesia, Nemzeti Kutatási Fejlesztési és Innovációs Hivatal, Pontificia Universidad Católica del Perú, Istituto Nazionale di Fisica Nucleare, Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi, Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear, Office of the Higher Education Commission, Science and Technology Facilities Council, Japan Society for the Promotion of Science, Dirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de México, GSI Helmholtzzentrum für Schwerionenforschung, Institut National de Physique Nucléaire et de Physique des Particules, National Research, Development and Innovation Office, Nuclear Physics, FP7 International Cooperation
OpenAlex ID: W2951852634
FWCI: 3.634
Cites: 67
Cited by: 47
Related to: 10