Measurement of inclusive charged-particle b-jet production in pp and p-Pb collisions at √SNN=5.02 TeV

被引：0

作者：

Acharya, S. ^{[159
]}

Adamova, D. ^{[114
]}

Adler, A. ^{[92
]}

Adolfsson, J. ^{[99
]}

Rinella, G. Aglieri ^{[51
]}

Agnello, M. ^{[35
,45
]}

Agrawal, N. ^{[71
]}

Ahammed, Z. ^{[159
]}

Ahmad, S. ^{[24
]}

Ahn, S. U. ^{[94
]}

Ahuja, I ^{[55
]}

Akbar, Z. ^{[68
]}

Akindinov, A. ^{[111
]}

Al-Turany, M. ^{[126
,127
]}

Alam, S. N. ^{[24
]}

Aleksandrov, D. ^{[107
]}

Alessandro, B. ^{[77
]}

Alfanda, H. M. ^{[14
]}

Alfaro Molina, R. ^{[89
]}

Ali, B. ^{[24
]}

Ali, Y. ^{[22
]}

Alici, A. ^{[36
,37
]}

Alizadehvandchali, N. ^{[144
]}

Alkin, A. ^{[51
]}

Alme, J. ^{[29
]}

Alocco, G. ^{[72
]}

Alt, T. ^{[86
]}

Altsybeev, I ^{[132
]}

Anaam, M. N. ^{[14
]}

Andrei, C. ^{[65
]}

Andreou, D. ^{[109
]}

Andronic, A. ^{[162
]}

Angeletti, M. ^{[51
]}

Anguelov, V ^{[123
]}

Antinori, F. ^{[74
]}

Antonioli, P. ^{[71
]}

Anuj, C. ^{[24
]}

Apadula, N. ^{[98
]}

Aphecetche, L. ^{[134
]}

Appelshaeuser, H. ^{[86
]}

Arcelli, S. ^{[36
,37
]}

Arnaldi, R. ^{[77
]}

Arsene, I. C. ^{[28
]}

Arslandok, M. ^{[164
]}

Augustinus, A. ^{[51
]}

Averbeck, R. ^{[126
,127
]}

Aziz, S. ^{[96
]}

Azmi, M. D. ^{[24
]}

Badala, A. ^{[73
]}

Baek, Y. W. ^{[58
]}

机构：

[1] Italian Natl Agcy New Technol Energy & Sustainabl, Bologna, Italy

[2] Politecn Torino, Dipartimento DET, Turin, Italy

[3] Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl Phys, Moscow, Russia

[4] Aligarh Muslim Univ, Dept Appl Phys, Aligarh, Uttar Pradesh, India

[5] Univ Wroclaw, Inst Theoret Phys, Wroclaw, Poland

[6] Univ Kansas, Lawrence, KS 66045 USA

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

[8] AGH Univ Sci & Technol, Krakow, Poland

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

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

[11] Bose Inst, Ctr Astroparticle Phys & Space Sci CAPSS, Kolkata, India

[12] Budker Inst Nucl Phys, Novosibirsk, Russia

[13] Calif Polytech State Univ San Luis Obispo, San Luis Obispo, CA 93407 USA

[14] Cent China Normal Univ, Wuhan, Peoples R China

[15] Ctr Aplicac Tecnol & Desarrollo Nucl CEADEN, Havana, Cuba

[16] CINVESTAV, Ctr Invest & Estudios Avanzados, Mexico City, DF, Mexico

[17] CINVESTAV, Ctr Invest & Estudios Avanzados, Merida, Mexico

[18] Chicago State Univ, Chicago, IL USA

[19] China Inst Atom Energy, Beijing, Peoples R China

[20] Chungbuk Natl Univ, Cheongju, South Korea

[21] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia

[22] COMSATS Univ Islamabad, Islamabad, Pakistan

[23] Creighton Univ, Omaha, NE 68178 USA

[24] Aligarh Muslim Univ, Dept Phys, Aligarh, Uttar Pradesh, India

[25] Pusan Natl Univ, Dept Phys, Pusan, South Korea

[26] Sejong Univ, Dept Phys, Seoul, South Korea

[27] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[28] Univ Oslo, Dept Phys, Oslo, Norway

[29] Univ Bergen, Dept Phys & Technol, Bergen, Norway

[30] Univ Cagliari, Dipartimento Fis, Cagliari, Italy

[31] Sezione Ist Nazl Fis Nucl, Cagliari, Italy

[32] Univ Trieste, Dipartimento Fis, Trieste, Italy

[33] Sezione Ist Nazl Fis Nucl, Trieste, Italy

[34] Univ Turin, Dipartimento Fis, Turin, Italy

[35] Sezione Ist Nazl Fis Nucl, Turin, Italy

[36] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy

[37] Sezione Ist Nazl Fis Nucl, Bologna, Italy

[38] Univ Catania, Dipartimento Fis & Astron, Catania, Italy

[39] Sezione Ist Nazl Fis Nucl, Catania, Italy

[40] Univ Padua, Dipartimento Fis & Astron, Padua, Italy

[41] Sezione Ist Nazl Fis Nucl, Padua, Italy

[42] Univ Pavia, Dipartimento Fis & Nucl & Teor, Pavia, Italy

[43] Univ Salerno, Dipartimento Fis ER Caianiello, Salerno, Italy

[44] Grp Collegato INFN, Salerno, Italy

[45] Politecn Torino, Dipartimento DISAT, Turin, Italy

[46] Univ Piemonte Orientale, Dipartimento Sci & Innovaz Tecnol, Alessandria, Italy

[47] Ist Nazl Fis Nucl, Sez Torino, Alessandria, Italy

[48] Univ Messina, Dipartimento Sci MIFT, Messina, Italy

[49] Dipartimento Interateneo Fis M Merlin, Bari, Italy

[50] Sezione Ist Nazl Fis Nucl, Bari, Italy

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2022年 / 01期

基金：

英国科学技术设施理事会;

关键词：

Lepton-Nucleon Scattering (experiments); HADRONIC SCATTERING; MULTIPLE-SCATTERING; POWER CORRECTIONS; QUARK;

D O I：

10.1007/JHEP01(2022)178

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：

A measurement of the inclusive b-jet production cross section is presented in pp and p-Pb collisions at root S-NN = 5.02 TeV, using data collected with the ALICE detector at the LHC. The jets were reconstructed in the central rapidity region vertical bar eta vertical bar < 0.5 from charged particles using the anti-kT algorithm with resolution parameter R = 0.4. Identification of b jets exploits the long lifetime of b hadrons, using the properties of secondary vertices and impact parameter distributions. The p(T)-differential inclusive production cross section of b jets, as well as the corresponding inclusive b-jet fraction, are reported for pp and p-Pb collisions in the jet transverse momentum range 10 <= p(T,ch jet) <= 100 GeV/c, together with the nuclear modification factor, R-pPb(b-jet). The analysis thus extends the lower p(T) limit of b-jet measurements at the LHC. The nuclear modification factor is found to be consistent with unity, indicating that the production of b jets in p-Pb at root S-NN = 5.02 TeV is not affected by cold nuclear matter effects within the current precision. The measurements are well reproduced by POWHEG NLO pQCD calculations with PYTHIA fragmentation.

引用

页数：41

共 50 条

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Agrawal, N.
Ahammed, Z.
Ahmad, S.
Ahn, S. U.
Ahuja, I.
Akindinov, A.
Al-Turany, M.
Aleksandrov, D.
Alessandro, B.
Alfanda, H. M.
Alfaro Molina, R.
Ali, B.
Ali, Y.
Alici, A.
Alizadehvandchali, N.
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Averbeck, R.
Aziz, S.
Azmi, M. D.
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Balbino, A.
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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.
Alves Garcia Prado, C.
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.
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Bach, M.
Badala, A.
Baek, Y. W.
PHYSICAL REVIEW LETTERS, 2014, 113 (23)

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