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The production yield and angular anisotropy of prompt D-s(+) mesons were measured as a function of transverse momentum (p(T)) in Pb-Pb collisions at a centre-of-mass energy per nucleon pair root s(NN) = 5.02 TeV collected with the ALICE detector at the LHC. D-s(+) mesons and their charge conjugates were reconstructed at midrapidity (vertical bar y vertical bar < 0.5) from their hadronic decay channel D-s(+) -> phi pi(+), with phi -> K-K+, in the p(T) intervals 2 < p(T) < 50 GeV/c and 2 < p(T) < 36 GeV/c for the 0-10% and 30-50% centrality intervals. For p(T) > 10 GeV/c, the measured D-s(+)-meson nuclear modification factor R-AA is consistent with the one of non-strange D mesons within uncertainties, while at lower p(T) a hint for a D-s(+)-meson R-AA larger than that of non-strange D mesons is seen. The enhanced production of D-s(+) relative to non-strange D mesons is also studied by comparing the p(T)-dependent D-s(+)/D-0 production yield ratios in Pb-Pb and in pp collisions. The ratio measured in Pb-Pb collisions is found to be on average higher than that in pp collisions in the interval 2 < p(T) < 8 GeV/c with a significance of 2.3 sigma and 2.4 sigma for the 0-10% and 30-50% centrality intervals. The azimuthal anisotropy coefficient v(2) of prompt D-s(+) mesons was measured in Pb-Pb collisions in the 30-50% centrality interval and is found to be compatible with that of non-strange D mesons. The main features of the measured R-AA, D-s(+)/D-0 ratio, and v(2) as a function of p(T) are described by theoretical calculations of charm-quark transport in a hydrodynamically expanding quark-gluon plasma including hadronisation via charm-quark recombination with light quarks from the medium. The p(T)-integrated production yield of D-s(+) mesons is compatible with the prediction of the statistical hadronisation model. (c) 2022 European Organization for Nuclear Research, ALICE. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP(3).
S. Acharya, D. Adamov??, A. Adler, J. Adolfsson, G. Aglieri Rinella, M. Agnello, et al. (2022). Measurement of prompt D+ s -meson production and azimuthal anisotropy in Pb–Pb collisions at √sNN = 5.02 TeV. PHYSICS LETTERS. SECTION B, 827, 1-17 [10.1016/j.physletb.2022.136986].
Measurement of prompt D+ s -meson production and azimuthal anisotropy in Pb–Pb collisions at √sNN = 5.02 TeV
S. Acharya;D. Adamov??;A. Adler;J. Adolfsson;G. Aglieri Rinella;M. Agnello;N. Agrawal;Z. Ahammed;S. Ahmad;S. U. Ahn;I. Ahuja;Z. Akbar;A. Akindinov;M. Al-Turany;S. N. Alam;D. Aleksandrov;B. Alessandro;H. M. Alfanda;R. Alfaro Molina;B. Ali;Y. Ali;A. Alici;N. Alizadehvandchali;A. Alkin;J. Alme;T. Alt;L. Altenkamper;I. Altsybeev;M. N. Anaam;C. Andrei;D. Andreou;A. Andronic;M. Angeletti;V. Anguelov;F. Antinori;P. Antonioli;C. Anuj;N. Apadula;L. Aphecetche;H. Appelsh??user;S. Arcelli;R. Arnaldi;I. C. Arsene;M. Arslandok;A. Augustinus;R. Averbeck;S. Aziz;M. D. Azmi;A. Badal??;Y. W. Baek;X. Bai;R. Bailhache;Y. Bailung;R. Bala;A. Balbino;A. Baldisseri;B. Balis;D. Banerjee;R. Barbera;L. Barioglio;M. Barlou;G. G. Barnaf??ldi;L. S. Barnby;V. Barret;C. Bartels;K. Barth;E. Bartsch;F. Baruffaldi;N. Bastid;S. Basu;G. Batigne;B. Batyunya;D. Bauri;J. L. Bazo Alba;I. G. Bearden;C. Beattie;I. Belikov;A. D. C. Bell Hechavarria;F. Bellini;R. Bellwied;S. Belokurova;V. Belyaev;G. Bencedi;S. Beole;A. Bercuci;Y. Berdnikov;A. Berdnikova;L. Bergmann;M. G. Besoiu;L. Betev;P. P. Bhaduri;A. Bhasin;I. R. Bhat;M. A. Bhat;B. Bhattacharjee;P. Bhattacharya;L. Bianchi;N. Bianchi;J. Biel????k;J. Biel????kov??;J. Biernat;A. Bilandzic;G. Biro;S. Biswas;J. T. Blair;D. Blau;M. B. Blidaru;C. Blume;G. Boca;F. Bock;A. Bogdanov;S. Boi;J. Bok;L. Boldizs??r;A. Bolozdynya;M. Bombara;P. M. Bond;G. Bonomi;H. Borel;A. Borissov;H. Bossi;E. Botta;L. Bratrud;P. Braun-Munzinger;M. Bregant;M. Broz;G. E. Bruno;M. D. Buckland;D. Budnikov;H. Buesching;S. Bufalino;O. Bugnon;P. Buhler;Z. Buthelezi;J. B. Butt;A. Bylinkin;S. A. Bysiak;M. Cai;H. Caines;A. Caliva;E. Calvo Villar;J. M. M. Camacho;R. S. Camacho;P. Camerini;F. D. M. Canedo;F. Carnesecchi;R. Caron;J. Castillo Castellanos;E. A. R. Casula;F. Catalano;C. Ceballos Sanchez;P. Chakraborty;S. Chandra;S. Chapeland;M. Chartier;S. Chattopadhyay;S. Chattopadhyay;A. Chauvin;T. G. Chavez;T. Cheng;C. Cheshkov;B. Cheynis;V. Chibante Barroso;D. D. Chinellato;S. Cho;P. Chochula;P. Christakoglou;C. H. Christensen;P. Christiansen;T. Chujo;C. Cicalo;L. Cifarelli;F. Cindolo;M. R. Ciupek;G. Clai;J. Cleymans;F. Colamaria;J. S. Colburn;D. Colella;A. Collu;M. Colocci;M. Concas;G. Conesa Balbastre;Z. Conesa del Valle;G. Contin;J. G. Contreras;M. L. Coquet;T. M. Cormier;P. Cortese;M. R. Cosentino;F. Costa;S. Costanza;P. Crochet;R. Cruz-Torres;E. Cuautle;P. Cui;L. Cunqueiro;A. Dainese;M. C. Danisch;A. Danu;I. Das;P. Das;P. Das;S. Das;S. Dash;S. De;A. De Caro;G. de Cataldo;L. De Cilladi;J. de Cuveland;A. De Falco;D. De Gruttola;N. De Marco;C. De Martin;S. De Pasquale;S. Deb;H. F. Degenhardt;K. R. Deja;L. Dello Stritto;W. Deng;P. Dhankher;D. Di Bari;A. Di Mauro;R. A. Diaz;T. Dietel;Y. Ding;R. Divi??;D. U. Dixit;??. Djuvsland;U. Dmitrieva;J. Do;A. Dobrin;B. D??nigus;O. Dordic;A. K. Dubey;A. Dubla;S. Dudi;P. Dupieux;N. Dzalaiova;T. M. Eder;R. J. Ehlers;V. N. Eikeland;F. Eisenhut;D. Elia;B. Erazmus;F. Ercolessi;F. Erhardt;A. Erokhin;M. R. Ersdal;B. Espagnon;G. 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Zarochentsev;P. Z??vada;N. Zaviyalov;M. Zhalov;B. Zhang;S. Zhang;X. Zhang;Y. Zhang;V. Zherebchevskii;Y. Zhi;N. Zhigareva;D. Zhou;Y. Zhou;J. Zhu;Y. Zhu;A. Zichichi;G. Zinovjev;N. Zurlo
2022
Abstract
The production yield and angular anisotropy of prompt D-s(+) mesons were measured as a function of transverse momentum (p(T)) in Pb-Pb collisions at a centre-of-mass energy per nucleon pair root s(NN) = 5.02 TeV collected with the ALICE detector at the LHC. D-s(+) mesons and their charge conjugates were reconstructed at midrapidity (vertical bar y vertical bar < 0.5) from their hadronic decay channel D-s(+) -> phi pi(+), with phi -> K-K+, in the p(T) intervals 2 < p(T) < 50 GeV/c and 2 < p(T) < 36 GeV/c for the 0-10% and 30-50% centrality intervals. For p(T) > 10 GeV/c, the measured D-s(+)-meson nuclear modification factor R-AA is consistent with the one of non-strange D mesons within uncertainties, while at lower p(T) a hint for a D-s(+)-meson R-AA larger than that of non-strange D mesons is seen. The enhanced production of D-s(+) relative to non-strange D mesons is also studied by comparing the p(T)-dependent D-s(+)/D-0 production yield ratios in Pb-Pb and in pp collisions. The ratio measured in Pb-Pb collisions is found to be on average higher than that in pp collisions in the interval 2 < p(T) < 8 GeV/c with a significance of 2.3 sigma and 2.4 sigma for the 0-10% and 30-50% centrality intervals. The azimuthal anisotropy coefficient v(2) of prompt D-s(+) mesons was measured in Pb-Pb collisions in the 30-50% centrality interval and is found to be compatible with that of non-strange D mesons. The main features of the measured R-AA, D-s(+)/D-0 ratio, and v(2) as a function of p(T) are described by theoretical calculations of charm-quark transport in a hydrodynamically expanding quark-gluon plasma including hadronisation via charm-quark recombination with light quarks from the medium. The p(T)-integrated production yield of D-s(+) mesons is compatible with the prediction of the statistical hadronisation model. (c) 2022 European Organization for Nuclear Research, ALICE. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP(3).
S. Acharya, D. Adamov??, A. Adler, J. Adolfsson, G. Aglieri Rinella, M. Agnello, et al. (2022). Measurement of prompt D+ s -meson production and azimuthal anisotropy in Pb–Pb collisions at √sNN = 5.02 TeV. PHYSICS LETTERS. SECTION B, 827, 1-17 [10.1016/j.physletb.2022.136986].
S. Acharya; D. Adamov??; A. Adler; J. Adolfsson; G. Aglieri Rinella; M. Agnello; N. Agrawal; Z. Ahammed; S. Ahmad; S.U. Ahn; I. Ahuja; Z. Akbar; A. Ak...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/899820
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simulazione ASN
Il report seguente simula gli indicatori relativi alla propria produzione scientifica in relazione alle soglie ASN 2023-2025 del proprio SC/SSD. Si ricorda che il superamento dei valori soglia (almeno 2 su 3) è requisito necessario ma non sufficiente al conseguimento dell'abilitazione. La simulazione si basa sui dati IRIS e sugli indicatori bibliometrici alla data indicata e non tiene conto di eventuali periodi di congedo obbligatorio, che in sede di domanda ASN danno diritto a incrementi percentuali dei valori. La simulazione può differire dall'esito di un’eventuale domanda ASN sia per errori di catalogazione e/o dati mancanti in IRIS, sia per la variabilità dei dati bibliometrici nel tempo. Si consideri che Anvur calcola i valori degli indicatori all'ultima data utile per la presentazione delle domande.
La presente simulazione è stata realizzata sulla base delle specifiche raccolte sul tavolo ER del Focus Group IRIS coordinato dall’Università di Modena e Reggio Emilia e delle regole riportate nel DM 589/2018 e allegata Tabella A. Cineca, l’Università di Modena e Reggio Emilia e il Focus Group IRIS non si assumono alcuna responsabilità in merito all’uso che il diretto interessato o terzi faranno della simulazione. Si specifica inoltre che la simulazione contiene calcoli effettuati con dati e algoritmi di pubblico dominio e deve quindi essere considerata come un mero ausilio al calcolo svolgibile manualmente o con strumenti equivalenti.