ALICE luminosity determination for Pb-Pb collisions at √sNN=5.02 TeV

被引：2

作者：

Acharya, S. ^{[137
,145
]}

Adamova, D. ^{[96
]}

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. ^{[110
,111
]}

Aleksandrov, D. ^{[153
]}

Alessandro, B. ^{[66
]}

Alfanda, H. M. ^{[7
]}

Molina, R. Alfaro ^{[77
]}

Ali, B. ^{[17
]}

Ali, Y. ^{[15
]}

Alici, A. ^{[30
,31
]}

Alizadehvandchali, N. ^{[126
]}

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. ^{[106
]}

Antinori, F. ^{[64
]}

Antonioli, P. ^{[61
]}

Anuj, C. ^{[17
]}

Apadula, N. ^{[84
]}

Aphecetche, L. ^{[116
]}

Appelshauser, H. ^{[74
]}

Arcelli, S. ^{[30
,31
]}

Arnaldi, R. ^{[66
]}

Arsene, I. C. ^{[21
]}

Arslandok, M. ^{[150
]}

Augustinus, A. ^{[43
]}

Averbeck, R. ^{[110
,111
]}

Aziz, S. ^{[141
]}

Azmi, M. D. ^{[17
]}

Badala, A. ^{[63
]}

Baek, Y. W. ^{[51
]}

Bai, X. ^{[110
,111
]}

Bailhache, R. ^{[74
]}

Bailung, Y. ^{[58
]}

Bala, R. ^{[101
]}

Balbino, A. ^{[38
,39
]}

机构：

[1] AI Alikhanyan Natl Sci Lab Yerevan Phys Inst Fdn, Yerevan, Armenia

[2] AGH Univ Krakow, Krakow, Poland

[3] Natl Acad Sci Ukraine, Bogolyubov Inst Theoret Phys, Kiev, Ukraine

[4] Bose Inst, Dept Phys, Kolkata, India

[5] Ctr Astroparticle Phys & Space Sci CAPSS, Kolkata, India

[6] Calif Polytech State Univ San Luis Obispo, San Luis Obispo, CA 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, 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 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 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] 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：

JOURNAL OF INSTRUMENTATION | 2024年 / 19卷 / 02期

基金：

欧洲研究理事会; 芬兰科学院; 美国能源部; 英国科学技术设施理事会; 新加坡国家研究基金会; 瑞典研究理事会; 美国国家科学基金会;

关键词：

Analysis and statistical methods; Data processing methods;

D O I：

10.1088/1748-0221/19/02/P02039

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Luminosity determination within the ALICE experiment is based on the measurement, in van der Meer scans, of the cross sections for visible processes involving one or more detectors (visible cross sections). In 2015 and 2018, the Large Hadron Collider provided Pb-Pb collisions at a centre-of-mass energy per nucleon pair of root s(NN) = 5.02 TeV. Two visible cross sections, associated with particle detection in the Zero Degree Calorimeter (ZDC) and in the V0 detector, were measured in a van der Meer scan. This article describes the experimental set-up and the analysis procedure, and presents the measurement results. The analysis involves a comprehensive study of beam-related effects and an improved fitting procedure, compared to previous ALICE studies, for the extraction of the visible cross section. The resulting uncertainty of both the ZDC-based and the V0-based luminosity measurement for the full sample is 2.5%. The inelastic cross section for hadronic interactions in Pb-Pb collisions at root s(NN) = 5.02 TeV, obtained by efficiency correction of the V0-based visible cross section, was measured to be 7.67 +/- 0.25 b, in agreement with predictions using the Glauber model.

引用

页数：29

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