Production of open-charm mesons in relativistic heavy-ion collisions

被引：17

作者：

Li, Shuang ^{[1
,2
]}

Wang, Chaowen ^{[1
]}

Yuan, Xianbao ^{[1
]}

Feng, Shengqin ^{[1
,2
,3
]}

机构：

[1] China Three Gorges Univ, Coll Sci, Yichang 443002, Peoples R China

[2] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Hubei, Peoples R China

[3] Wuhan Univ, Sch Phys & Technol, Wuhan 430072, Hubei, Peoples R China

来源：

PHYSICAL REVIEW C | 2018年 / 98卷 / 01期

关键词：

NUCLEAR MODIFICATION FACTOR; PB COLLISIONS; ENERGY-LOSS; FLAVOR PRODUCTION; QUARK; FLOW; THERMALIZATION; DIFFUSION;

D O I：

10.1103/PhysRevC.98.014909

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We present a theoretical framework to study open-charm production in relativistic heavy-ion collisions. Charm quarks are regarded as an effective probes of the deconfined medium formed in these collisions, the quark-gluon plasma (QGP). The initial conditions of such collisions are simulated with a transverse profile described via a Glauber-based model, and a longitudinal behavior modeled by a data-inspired parametrization. The space-time evolution of the temperature and the flow velocity field of the medium are quantified by means of (3+1)-dimensional relativistic viscous hydrodynamics. The Brownian motion of charm quarks propagating through the QGP is described by utilizing the Langevin transport equation. The subsequent hadronization is implemented via a dual model, including fragmentation and heavy-light coalescence mechanisms. In particular, in the coalescence also the contribution from higher hadronic states components is considered. The parameters of the model are tuned based on comparison to data. The coupling strength between the charm quarks and the QGP constituents, quantified by the spatial diffusion coefficient 2 pi TDs, is obtained by performing a phenomenological fit analysis to the lattice QCD calculations, resulting in 2 pi TDs = const. (model A) and 2 pi TD, = 1.3 + (T/T-c)(2) (model B). We find that the relative azimuthal distribution of the initially back-to-back generated cc pairs presents a broadening behavior, which is more pronounced for cc pairs with small initial pT and when the model B approach is adopted. The competition between the initial drag and the subsequent collective effects tends to restrict the time dependence of charm quark R-AA. Concerning the theoretical uncertainty on final D-meson nuclear modification, the nuclear shadowing and pp baseline components are dominant at high and low pT (P-T less than or similar to 3 GeV/c), respectively. The measured D-meson R-AA(P-T) favors model A's assumption for the diffusion coefficient both at the Relativistic Heavy Ion Collider and the Large Hadron Collider, while v(2)(p(T)) prefers model B at moderate P-T. These results confirm the necessity to consider the temperature and/or momentum dependence of 2 pi TDs to simultaneously describe the D meson R-AA and v(2).

引用

页数：16

共 86 条

[1] Heavy-flavor production and medium properties in high-energy nuclear collisions - What next? [J].

Aarts, G. ;

Aichelin, J. ;

Allton, C. ;

Arnaldi, R. ;

Bass, S. A. ;

Bedda, C. ;

Brambilla, N. ;

Bratkovskaya, E. ;

Braun-Munzinger, P. ;

Bruno, G. E. ;

Dahms, T. ;

Das, S. K. ;

Dembinski, H. ;

Djordjevic, M. ;

Ferreiro, E. ;

Frawley, A. ;

Gossiaux, P. -B. ;

de Cassagnac, R. Granier ;

Grelli, A. ;

He, M. ;

Horowitz, W. A. ;

Innocenti, G. M. ;

Jo, M. ;

Kaczmarek, O. ;

Kuijer, P. G. ;

Laine, M. ;

Lombardo, M. P. ;

Mischke, A. ;

Munhoz, M. G. ;

Nahrgang, M. ;

Nguyen, M. ;

Oliveira da Silva, A. C. ;

Petreczky, P. ;

Rothkopf, A. ;

Schmelling, M. ;

Scomparin, E. ;

Song, T. ;

Stachel, J. ;

Suaide, A. A. P. ;

Tolos, L. ;

Trzeciak, B. ;

Uras, A. ;

van Doremalen, L. ;

Vermunt, L. ;

Vigolo, S. ;

Xu, N. ;

Ye, Z. ;

Zanoli, H. J. C. ;

Zhuang, P. .

EUROPEAN PHYSICAL JOURNAL A, 2017, 53 (05)

[2] Azimuthal anisotropy of D-meson production in Pb-Pb collisions at √sNN=2.76 TeV [J].

Abelev, B. ;

Adam, J. ;

Adamova, D. ;

Aggarwal, M. M. ;

Agnello, M. ;

Agostinelli, A. ;

Agrawal, N. ;

Ahammed, Z. ;

Ahmad, N. ;

Ahmed, I. ;

Ahn, S. U. ;

Ahn, S. A. ;

Aimo, I. ;

Aiola, S. ;

Ajaz, M. ;

Akindinov, A. ;

Alam, S. N. ;

Aleksandrov, D. ;

Alessandro, B. ;

Alexandre, D. ;

Alici, A. ;

Alkin, A. ;

Alme, J. ;

Alt, T. ;

Altinpinar, S. ;

Altsybeev, I. ;

Prado, C. Alves Garcia ;

Andrei, C. ;

Andronic, A. ;

Anguelov, V. ;

Anielski, J. ;

Anticic, T. ;

Antinori, F. ;

Antonioli, P. ;

Aphecetche, L. ;

Appelshaeuser, H. ;

Arcelli, S. ;

Armesto, N. ;

Arnaldi, R. ;

Aronsson, T. ;

Arsene, I. C. ;

Arslandok, M. ;

Augustinus, A. ;

Averbeck, R. ;

Awes, T. C. ;

Azmi, M. D. ;

Bach, M. ;

Badala, A. ;

Baek, Y. W. ;

Bagnasco, S. .

PHYSICAL REVIEW C, 2014, 90 (03)

[3] D-Meson Azimuthal Anisotropy in Midcentral Pb-Pb Collisions √SNN=5.02 TeV [J].

Acharya, S. ;

Adamova, D. ;

Adolfsson, J. ;

Aggarwal, M. M. ;

Rinella, G. Aglieri ;

Agnello, M. ;

Agrawal, N. ;

Ahammed, Z. ;

Ahmad, N. ;

Ahn, S. U. ;

Aiola, S. ;

Akindinov, A. ;

Alam, S. N. ;

Alba, J. L. B. ;

Albuquerque, D. S. D. ;

Aleksandrov, D. ;

Alessandro, B. ;

Alfaro Molina, R. ;

Alici, A. ;

Alkin, A. ;

Alme, J. ;

Alt, T. ;

Altenkamper, L. ;

Altsybeev, I. ;

Alves Garcia Prado, C. ;

Andrei, C. ;

Andreou, D. ;

Andrews, H. A. ;

Andronic, A. ;

Anguelov, V. ;

Anson, C. ;

Anticic, T. ;

Antinori, F. ;

Antonioli, P. ;

Anwar, R. ;

Aphecetche, L. ;

Appelshaeuser, H. ;

Arcelli, S. ;

Arnaldi, R. ;

Arnold, O. W. ;

Arsene, I. C. ;

Arslandok, M. ;

Audurier, B. ;

Augustinus, A. ;

Averbeck, R. ;

Azmi, M. D. ;

Badala, A. ;

Baek, Y. W. ;

Bagnasco, S. ;

Bailhache, R. .

PHYSICAL REVIEW LETTERS, 2018, 120 (10)

[4]

Adam J, 2016, J HIGH ENERGY PHYS, DOI 10.1007/JHEP03(2016)081

[5] Measurement of D0 Azimuthal Anisotropy at Midrapidity in Au plus Au Collisions at √SNN=200 GeV [J].

Adamczyk, L. ;

Adkins, J. K. ;

Agakishiev, G. ;

Aggarwal, M. M. ;

Ahammed, Z. ;

Ajitanand, N. N. ;

Alekseev, I. ;

Anderson, D. M. ;

Aoyama, R. ;

Aparin, A. ;

Arkhipkin, D. ;

Aschenauer, E. C. ;

Ashraf, M. U. ;

Attri, A. ;

Averichev, G. S. ;

Bai, X. ;

Bairathi, V. ;

Behera, A. ;

Bellwied, R. ;

Bhasin, A. ;

Bhati, A. K. ;

Bhattarai, P. ;

Bielcik, J. ;

Bielcikova, J. ;

Bland, L. C. ;

Bordyuzhin, I. G. ;

Bouchet, J. ;

Brandenburg, J. D. ;

Brandin, A. V. ;

Brown, D. ;

Bunzarov, I. ;

Butterworth, J. ;

Caines, H. ;

Sanchez, M. Calderon de la Barca ;

Campbell, J. M. ;

Cebra, D. ;

Chakaberia, I. ;

Chaloupka, P. ;

Chang, Z. ;

Chankova-Bunzarova, N. ;

Chatterjee, A. ;

Chattopadhyay, S. ;

Chen, X. ;

Chen, J. H. ;

Chen, X. ;

Cheng, J. ;

Cherney, M. ;

Christie, W. ;

Contin, G. ;

Crawford, H. J. .

PHYSICAL REVIEW LETTERS, 2017, 118 (21)

[6] Observation of D0 Meson Nuclear Modifications in Au plus Au Collisions at √sNN=200 GeV [J].

Adamczyk, L. ;

Adkins, J. K. ;

Agakishiev, G. ;

Aggarwal, M. M. ;

Ahammed, Z. ;

Alekseev, I. ;

Alford, J. ;

Anson, C. D. ;

Aparin, A. ;

Arkhipkin, D. ;

Aschenauer, E. C. ;

Averichev, G. S. ;

Banerjee, A. ;

Beavis, D. R. ;

Bellwied, R. ;

Bhasin, A. ;

Bhati, A. K. ;

Bhattarai, P. ;

Bichsel, H. ;

Bielcik, J. ;

Bielcikova, J. ;

Bland, L. C. ;

Bordyuzhin, I. G. ;

Borowski, W. ;

Bouchet, J. ;

Brandin, A. V. ;

Brovko, S. G. ;

Bueltmann, S. ;

Bunzarov, I. ;

Burton, T. P. ;

Butterworth, J. ;

Caines, H. ;

Sanchez, M. Calderon de la Barca ;

Cebra, D. ;

Cendejas, R. ;

Cervantes, M. C. ;

Chaloupka, P. ;

Chang, Z. ;

Chattopadhyay, S. ;

Chen, H. F. ;

Chen, J. H. ;

Chen, L. ;

Cheng, J. ;

Cherney, M. ;

Chikanian, A. ;

Christie, W. ;

Chwastowski, J. ;

Codrington, M. J. M. ;

Contin, G. ;

Cramer, J. G. .

PHYSICAL REVIEW LETTERS, 2014, 113 (14)

[7] Measurements of D0 and D* production in p plus p collisions at √s=200 GeV [J].

Adamczyk, L. ;

Agakishiev, G. ;

Aggarwal, M. M. ;

Ahammed, Z. ;

Alakhverdyants, A. V. ;

Alekseev, I. ;

Alford, J. ;

Anderson, B. D. ;

Anson, C. D. ;

Arkhipkin, D. ;

Aschenauer, E. ;

Averichev, G. S. ;

Balewski, J. ;

Banerjee, A. ;

Barnovska, Z. ;

Beavis, D. R. ;

Bellwied, R. ;

Betancourt, M. J. ;

Betts, R. R. ;

Bhasin, A. ;

Bhati, A. K. ;

Bichsel, H. ;

Bielcik, J. ;

Bielcikova, J. ;

Bland, L. C. ;

Bordyuzhin, I. G. ;

Borowski, W. ;

Bouchet, J. ;

Brandin, A. V. ;

Brovko, S. G. ;

Bruna, E. ;

Bueltmann, S. ;

Bunzarov, I. ;

Burton, T. P. ;

Butterworth, J. ;

Cai, X. Z. ;

Caines, H. ;

Sanchez, M. Calderon De la Barca ;

Cebra, D. ;

Cendejas, R. ;

Cervantes, M. C. ;

Chaloupka, P. ;

Chattopadhyay, S. ;

Chen, H. F. ;

Chen, J. H. ;

Chen, J. Y. ;

Chen, L. ;

Cheng, J. ;

Cherney, M. ;

Chikanian, A. .

PHYSICAL REVIEW D, 2012, 86 (07)

[8] Examination whether heavy quarks carry information on the early-time coupling of the quark-gluon plasma [J].

Adare, A. M. ;

McCumber, M. P. ;

Nagle, J. L. ;

Romatschke, P. .

PHYSICAL REVIEW C, 2014, 90 (02)

[9] Heavy quark diffusion with relativistic Langevin dynamics in the quark-gluon fluid [J].

Akamatsu, Yukinao ;

Hatsuda, Tetsuo ;

Hirano, Tetsufumi .

PHYSICAL REVIEW C, 2009, 79 (05)

[10] Charged-particle multiplicity and pseudorapidity distributions measured with the PHOBOS detector in Au plus Au, Cu plus Cu, d plus Au, and p plus p collisions at ultrarelativistic energies [J].

Alver, B. ;

Back, B. B. ;

Baker, M. D. ;

Ballintijn, M. ;

Barton, D. S. ;

Betts, R. R. ;

Bickley, A. A. ;

Bindel, R. ;

Budzanowski, A. ;

Busza, W. ;

Carroll, A. ;

Chai, Z. ;

Chetluru, V. ;

Decowski, M. P. ;

Garcia, E. ;

Gburek, T. ;

George, N. ;

Gulbrandsen, K. ;

Gushue, S. ;

Halliwell, C. ;

Hamblen, J. ;

Heintzelman, G. A. ;

Henderson, C. ;

Hofman, D. J. ;

Hollis, R. S. ;

Holynski, R. ;

Holzman, B. ;

Iordanova, A. ;

Johnson, E. ;

Kane, J. L. ;

Katzy, J. ;

Khan, N. ;

Kotula, J. ;

Kucewicz, W. ;

Kulinich, P. ;

Kuo, C. M. ;

Li, W. ;

Lin, W. T. ;

Loizides, C. ;

Manly, S. ;

McLeod, D. ;

Michalowski, J. ;

Mignerey, A. C. ;

Nouicer, R. ;

Olszewski, A. ;

Pak, R. ;

Park, I. C. ;

Pernegger, H. ;

Reed, C. ;

Remsberg, L. P. .

PHYSICAL REVIEW C, 2011, 83 (02)

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