Measurement of the production of charm jets tagged with D0 mesons in pp collisions at √s=5.02 and 13 TeV

被引：0

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：

JOURNAL OF HIGH ENERGY PHYSICS | 2023年 / 06期

基金：

中国国家自然科学基金; 日本学术振兴会; 新加坡国家研究基金会; 欧洲研究理事会; 美国能源部; 瑞典研究理事会; 巴西圣保罗研究基金会; 奥地利科学基金会; 芬兰科学院;

关键词：

Hadron-Hadron Scattering; Heavy Quark Production; Jets; HEAVY; FRAGMENTATION; QCD;

D O I：

10.1007/JHEP06(2023)133

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：

The measurement of the production of charm jets, identified by the presence of a D-0 meson in the jet constituents, is presented in proton-proton collisions at centre-ofmass energies of root s = 5.02 and 13TeV with the ALICE detector at the CERN LHC. The D-0 mesons were reconstructed from their hadronic decay D-0 -> K- pi(+) and the respective charge conjugate. Jets were reconstructed from D-0-meson candidates and charged particles using the anti- kT algorithm, in the jet transverse momentum range 5 < p(T,chjet) < 50 GeV/c, pseudorapidity |eta(jet)| < 0.9 - R, and with the jet resolution parameters R = 0.2, 0.4, 0.6. The distribution of the jet momentum fraction carried by a D-0 meson along the jet axis (z(broken vertical bar broken vertical bar)(ch)) was measured in the range 0.4 < z(broken vertical bar broken vertical bar)(ch) < 1.0 in four ranges of the jet transverse momentum. Comparisons of results for different collision energies and jet resolution parameters are also presented. The measurements are compared to predictions from Monte Carlo event generators based on leading-order and next-to-leading-order perturbative quantum chromodynamics calculations. A generally good description of the main features of the data is obtained in spite of a few discrepancies at low (pT,chjet). Measurements were also done for R = 0.3 at root s = 5.02 and are shown along with their comparisons to theoretical predictions in an appendix to this paper.

引用

页数：40

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