Jet-like correlations with respect to KS0 and Λ ((Λ)over-bar) in pp and central Pb-Pb collisions at √sNN=5.02 TeV

被引:1
作者
Acharya, S. [138 ,145 ]
Adamova, D. [97 ]
Adler, A. [80 ]
Rinella, G. Aglieri [43 ]
Agnello, M. [38 ,39 ]
Agrawal, N. [61 ]
Ahammed, Z. [145 ]
Ahmad, S. [17 ]
Ahn, S. U. [81 ]
Ahuja, I. [48 ]
Akindinov, A. [153 ]
Al-Turany, M. [111 ,112 ]
Aleksandrov, D. [153 ]
Alessandro, B. [66 ]
Alfanda, H. M. [7 ]
Alfaro Molina, R. [77 ]
Ali, B. [17 ]
Ali, Y. [15 ]
Alici, A. [30 ,31 ]
Alizadehvandchali, N. [127 ]
Alkin, A. [43 ]
Alme, J. [22 ]
Alocco, G. [62 ]
Alt, T. [74 ]
Altsybeev, I. [153 ]
Anaam, M. N. [7 ]
Andrei, C. [56 ]
Andronic, A. [148 ]
Anguelov, V. [107 ]
Antinori, F. [64 ]
Antonioli, P. [61 ]
Anuj, C. [17 ]
Apadula, N. [85 ]
Aphecetche, L. [117 ]
Appelshaeuser, H. [74 ]
Arcelli, S. [30 ,31 ]
Arnaldi, R. [66 ]
Arsene, I. C. [21 ]
Arslandok, M. [150 ]
Augustinus, A. [43 ]
Averbeck, R. [111 ,112 ]
Aziz, S. [83 ]
Azmi, M. D. [17 ]
Badala, A. [63 ]
Baek, Y. W. [51 ]
Bai, X. [111 ,112 ]
Bailhache, R. [74 ]
Bailung, Y. [58 ]
Bala, R. [102 ]
Balbino, A. [38 ,39 ]
机构
[1] Yerevan Phys Inst Fdn, AI Alikhanyan Natl Sci Lab, Yerevan, Armenia
[2] AGH Univ Sci & Technol, Krakow, Poland
[3] Natl Acad Sci Ukraine, Bogolyubov Inst Theoret Phys, Kiev, Ukraine
[4] Bose Inst, Dept Phys, Kolkata, India
[5] CAPSS, Kolkata, India
[6] Calif Polytech State Univ San Luis Obispo, San Luis Obispo, CA 93407 USA
[7] Cent China Normal Univ, Wuhan, Peoples R China
[8] Ctr Aplicac Tecnol & Desarrollo Nucl CEADEN, Havana, Cuba
[9] Ctr Invest & Estudios Avanzados CINVESTAV, Mexico City, DF, Mexico
[10] Ctr Invest & Estudios Avanzados CINVESTAV, Merida, Yucatan, Mexico
[11] Chicago State Univ, Chicago, IL USA
[12] China Inst Atom Energy, Beijing, Peoples R China
[13] Chungbuk Natl Univ, Cheongju, South Korea
[14] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia
[15] COMSATS Univ Islamabad, Islamabad, Pakistan
[16] Creighton Univ, Omaha, NE 68178 USA
[17] Aligarh Muslim Univ, Dept Phys, Aligarh, Uttar Pradesh, India
[18] Pusan Natl Univ, Dept Phys, Pusan, South Korea
[19] Sejong Univ, Dept Phys, Seoul, South Korea
[20] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[21] Univ Oslo, Dept Phys, Oslo, Norway
[22] Univ Bergen, Dept Phys & Technol, Bergen, Norway
[23] Univ Pavia, Dipartimento Fis, Pavia, Italy
[24] Univ Cagliari, Dipartimento Fis, Cagliari, Italy
[25] Sezione Ist Nazl Fis Nucl, Cagliari, Italy
[26] Univ Trieste, Dipartimento Fis, Trieste, Italy
[27] Sezione Ist Nazl Fis Nucl, Trieste, Italy
[28] Univ Turin, Dipartimento Fis, Turin, Italy
[29] Sezione Ist Nazl Fis Nucl, Turin, Italy
[30] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy
[31] Sezione Ist Nazl Fis Nucl, Bologna, Italy
[32] Univ Catania, Dipartimento Fis & Astron, Catania, Italy
[33] Sezione Ist Nazl Fis Nucl, Catania, Italy
[34] Univ Padua, Dipartimento Fis & Astron, Padua, Italy
[35] Sezione Ist Nazl Fis Nucl, Padua, Italy
[36] Univ Salerno, Dipartimento Fis ER Caianiello, Salerno, Italy
[37] Univ Salerno, Grp Collegato INFN, Salerno, Italy
[38] Politecn Torino, Dipartimento DISAT, Turin, Italy
[39] Sezione Ist Nazl Fis Nucl, Turin, Italy
[40] Univ Messina, Dipartimento Sci MIFT, Messina, Italy
[41] Dipartimento Interateneo Fis M Merlin, Bari, Italy
[42] Sezione Ist Nazl Fis Nucl, Bari, Italy
[43] European Org Nucl Res CERN, Geneva, Switzerland
[44] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split, Croatia
[45] Western Norway Univ Appl Sci, Fac Sci & Engn, Bergen, Norway
[46] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Prague, Czech Republic
[47] Sofia Univ, Fac Phys, Sofia, Bulgaria
[48] Safarik Univ, Fac Sci, Kosice, Slovakia
[49] Goethe Univ Frankfurt, Frankfurt Inst Adv Studies, Frankfurt, Germany
[50] Fudan Univ, Shanghai, Peoples R China
来源
EUROPEAN PHYSICAL JOURNAL C | 2023年 / 83卷 / 06期
基金
新加坡国家研究基金会; 英国科学技术设施理事会; 瑞典研究理事会; 奥地利科学基金会; 日本学术振兴会; 芬兰科学院; 欧洲研究理事会; 美国国家科学基金会; 中国国家自然科学基金; 美国能源部; 巴西圣保罗研究基金会; 欧盟地平线“2020”;
关键词
QUARK-GLUON PLASMA; MULTIPLICITY; SUPPRESSION; DEPENDENCE;
D O I
10.1140/epjc/s10052-023-11614-8
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
Two-particle correlations with K-S(0), Lambda/(Lambda) over bar, and charged hadrons as trigger particles in the transverse momentum range 8<p(T),trig<16 GeV/c, and associated charged particles within 1<p(T),assoc<8 GeV/c, are studied at midrapidity in pp and central Pb-Pb collisions at a centre-of-mass energy per nucleon-nucleon collision root s(NN) = 5.02 TeV with the ALICE detector at the LHC. After subtracting the contributions of the flow background, the per-trigger yields are extracted on both the near and away sides, and the ratio in Pb-Pb collisions with respect to pp collisions (I-AA) is computed. The per-trigger yield in Pb-Pb collisions on the away side is strongly suppressed to the level of I-AA approximate to 0.6 for p(T,assoc) > 3 GeV/c as expected from strong in-medium energy loss, while an enhancement develops at low p(T), assoc on both the near and away sides, reaching I-AA approximate to 1.8 and 2.7 respectively. These findings are in good agreement with previous ALICE measurements from two-particle correlations triggered by neutral pions (pi(0)-h) and charged hadrons (h-h) in Pb-Pb collisions at root s(NN) = 2.76 TeV. Moreover, the correlations with K-S(0) mesons and Lambda/(Lambda) over bar baryons as trigger particles are compared to those of inclusive charged hadrons. The results are compared with the predictions of Monte Carlo models.
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