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

Name: Multiplicity dependence of light (anti-)nuclei production in p–Pb collisions at s NN = 5.02 TeV
Keywords: Fysiikka, :Kjerne- og elementærpartikkelfysikk: 431 [VDP], heavy ion: scattering, light (anti-)nuclei, Multiplicity dependence, diffraction, ALICE; relativistic heavy ions, model: coalescence, hiukkasfysiikka, Atomic

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Journal 01 Jan 2020Embargo end date: 01 Jan 2019 Italy, Turkey, Croatia, Turkey, Denmark, Norway, Czech Republic, Italy, Italy, Norway, Germany, Hungary, United Kingdom, Turkey, Norway, Italy, Croatia, Italy, Netherlands, Norway, Croatia, Norway, Germany, Italy, Italy, Hungary, France, Netherlands, Croatia, Italy, Finland, Italy, Germany, Germany, United Kingdom, Italy, Italy, Italy, Italy, Czech Republic, Greece, United States, Italy, Turkey, Croatia, Croatia, Italy, Finland Publisher:Elsevier BVJournal:Physics Letters B, volume 800, page 135,043 (issn: 0370-2693,

Authors: Acharya, S.; Adamova, D.; Adhya, S.P.; Adler, A.; and; Adolfsson, J.; Aggarwal, M.M.; +193 Authors

Acharya, S.; Adamova, D.; Adhya, S.P.; Adler, A.; and; Adolfsson, J.; Aggarwal, M.M.; Rinella, G.; Aglieri; Agnello,; M.; Agrawal, N.; Ahammed, Z.; Ahmad, S.; Ahn, S.U.; Akindinov, A.; Al-Turany, M.; Alam, S.N.; Albuquerque, D.S.; D.; Aleksandrov, D.; Alessandro, B.; Alfanda, H.M.; Alfaro; Molina, R.; Ali, B.; Ali, Y.; Alici, A.; Alkin, A.; Alme,; J.; Alt, T.; Altenkamper, L.; Altsybeev, I; Anaam, M.N.; Andrei, C.; Andreou, D.; Andrews, H.A.; Andronic, A.; Angeletti, M.; Anguelov, V; Anson, C.; Anticic, T.; Antinori, F.; Antonioli, P.; Anwar, R.; Apadula, N.; Aphecetche, L.; Appelshaeuser, H.; Arcelli, S.; Arnaldi, R.; Arratia, M.; Arsene, I.C.; Arslandok, M.; Augustinus, A.; Averbeck, R.; Aziz, S.; Azmi, M.D.; Badala, A.; Baek, Y.W.; and Bagnasco, S.; Bai, X.; Bailhache, R.; Bala, R.; Baldisseri, A.; Ball, M.; Balouza, S.; Baral, R.C.; Barbera, R.; Barioglio, L.; Barnafoldi, G.G.; Barnby, L.S.; and Barret, V; Bartalini, P.; Barth, K.; Bartsch, E.; Baruffaldi, F.; Bastid, N.; Basu, S.; Batigne, G.; Batyunya,; B.; Batzing, P.C.; Bauri, D.; Bazo Alba, J.L.; Bearden, I.; G.; Bedda, C.; Behera, N.K.; Belikov, I; Bellini, F.; Bellwied, R.; Belyaev, V; Bencedi, G.; Beole, S.; Bercuci,; A.; Berdnikov, Y.; Berenyi, D.; Bertens, R.A.; Berzano, D.; and Besoiu, M.G.; Betev, L.; Bhasin, A.; Bhat, I.R.; Bhat,; M.A.; Bhatt, H.; Bhattacharjee, B.; Bianchi, A.; Bianchi,; L.; Bianchi, N.; Bielcik, J.; Bielcikova, J.; Bilandzic, A.; and Biro, G.; Biswas, R.; Biswas, S.; Blair, J.T.; Blau, D.; and Blume, C.; Boca, G.; Bock, F.; Bogdanov, A.; Boldizsar,; Bolozdynya, A.; Bombara, M.; Bonomi, G.; Borel, H.; Borissov, A.; Borri, M.; Bossi, H.; Botta, E.; Bratrud, L.; and Braun-Munzinger, P.; Bregant, M.; Broker, T.A.; Broz, M.; and Brucken, E.J.; Bruna, E.; Bruno, G.E.; Buckland, M.D.; and Budnikov, D.; Buesching, H.; Bufalino, S.; Bugnon, O.; Buhler, P.; Buncic, P.; Buthelezi, Z.; Butt, J.B.; Buxton,; J.T.; Caffarri, D.; Caliva, A.; Villar, E.; Calvo; Camacho,; R.S.; Camerini, P.; Capon, A.A.; Carnesecchi, F.; Castellanos, J.; Castillo; Castro, A.J.; Casula, E.A.; R.; Catalano, F.; Sanchez, C.; Ceballos; Chakraborty, P.; Chandra,; S.; Chang, B.; Chang, W.; Chapeland, S.; Chartier, M.; Chattopadhyay, S.; Chauvin, A.; Cheshkov, C.; Cheynis, B.; Barroso, V.; Chibante; Chinellato, D.D.; Cho, S.; Chochula, P.; and Chowdhury, T.; Christakoglou, P.; Christensen, C.H.; Christiansen, P.; Chujo, T.; Cicalo, C.; Cifarelli, L.; Cindolo, F.; Cleymans, J.; Colamaria, F.; Colella, D.; Collu, A.; Colocci, M.; Concas, M.;

doi: 10.1016/j.physletb.2019.135043 , 10.48550/arxiv.1906.03136 , 10.15120/gsi-2021-00372

arXiv: http://arxiv.org/abs/1906.03136 , 1906.03136

handle: 11368/2954306 , 10852/82865 , 11250/2758510 , 11250/2738707 , 11583/2848775 , 11577/3340721 , 11379/526875 , 11386/4753965 , 11573/1656136 , 11584/296461 , 11585/775632 , 11250/2729713 , 20.500.11769/372336 , 2318/1729836 , 11579/110135 , 11571/1296166 , 11369/450363 , 11586/263142 , 10900/109467

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

- Summary
- Subjects

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 $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV is presented. (Anti-)deuterons are identified via their specific energy loss $\rm{d}E/\rm{d}x$ 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 momenta are extracted from the deuteron spectra and the values are similar to those obtained for p and $��$ 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 $^{3}{\rm{He}}$ and $^{3}\bar{\rm He}$ 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 $p_{\rm{T}}$-integrated yield d$N$/d$y$ is extracted. It is found that the yields of protons, deuterons, and $^{3}{\rm{He}}$, normalised by the spin degeneracy factor, follow an exponential decrease with mass number.

23 pages, 9 captioned figures, 3 tables, authors from page 18, published version, figures at http://alice-publications.web.cern.ch/node/5355

Countries

Italy, Turkey, Croatia, Turkey, Denmark, Norway, Czech Republic, Italy, Italy, Norway, Germany, Hungary, United Kingdom, Turkey, Norway, Italy, Croatia, Italy, Netherlands, Norway, Croatia, Norway, Germany, Italy, Italy, Hungary, France, Netherlands, Croatia, Italy, Finland, Italy, Germany, Germany, United Kingdom, Italy, Italy, Italy, Italy, Czech Republic, Greece, United States, Italy, Turkey, Croatia, Croatia, Italy, Finland

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Keywords

Fysiikka, :Kjerne- og elementærpartikkelfysikk: 431 [VDP], heavy ion: scattering, light (anti-)nuclei, Multiplicity dependence, diffraction, ALICE; relativistic heavy ions, model: coalescence, hiukkasfysiikka, Atomic, heavy ion experiments, High Energy Physics - Experiment, deuteron: yield, nucleus: production, High Energy Physics - Experiment (hep-ex), Particle and Plasma Physics, ALICE, yield [deuteron], yield [p], scattering [p p], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], relativistic heavy ion physics ; quark gluon plasma ; particle and resonance production ; experimental results, Nuclear Experiment (nucl-ex), info:eu-repo/classification/ddc/530, Nuclear Experiment, Mathematical Physics, Multiplicity dependence ; light (anti-)nuclei ; p-Pb, deuteron and anti-deuteron, ALICE, High-Energy Physics, LHC, protons, Ydin- ja kiihdytinfysiikan huippuyksikkö, Physics, ddc:530, VDP::Kjerne- og elementærpartikkelfysikk: 431, Particle and High Energy Physics, multiplicity: dependence, Nuclear and Plasma Physics, Nuclear & Particles Physics, 520, Physical sciences, PRIRODNE ZNANOSTI. Fizika., :Nuclear and elementary particle physics: 431 [VDP], Q1 Science (General) / természettudomány általában, VDP::Nuclear and elementary particle physics: 431, Physical Sciences, heavy-ion collisions; anti-nuclei production; ALICE experiment, ALICE collaboration, ydinfysiikka, Astronomical and Space Sciences, p p: scattering, Nuclear and High Energy Physics, production [antideuteron], [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], energy loss, QC1-999, Mathematical sciences, FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], transverse momentum, Centre of Excellence in Nuclear and Accelerator Based Physics, time-of-flight, 530, charged particle: multiplicity, multiplicity [charged particle], p: yield, scattering [heavy ion], Hadron hadron interactions, antideuteron: production, production [nucleus], Nuclear, 5020 GeV-cms/nucleon, p-Pb, ta114, Molecular, 541, NATURAL SCIENCES. Physics., Synchrotrons and Accelerators, dependence [multiplicity], rapidity, PHYSICS PERFORMANCE REPORT; TRANSVERSE-MOMENTUM; ANGULAR-CORRELATIONS; LONG-RANGE; HADRONS; NUCLEI; PROTON; ALICE; HE-4; KAON, coalescence [model], experimental results, relativistic heavy ions