Unveiling the strong interaction among hadrons at the LHC

被引：34

作者：

Acharya, S. ^{[157
]}

Acosta, F. T. ^{[24
]}

Adamova, D. ^{[108
]}

Adler, A. ^{[89
]}

Adolfsson, J. ^{[95
]}

Aggarwal, M. M. ^{[113
]}

Rinella, G. Aglieri ^{[49
]}

Agnello, M. ^{[43
,44
]}

Agrawal, N. ^{[63
]}

Ahammed, Z. ^{[157
]}

Ahn, S. U. ^{[91
]}

Aiola, S. ^{[162
]}

Akindinov, A. ^{[79
]}

Al-Turany, M. ^{[119
,120
]}

Alam, S. N. ^{[157
]}

Albuquerque, D. S. D. ^{[137
]}

Aleksandrov, D. ^{[102
]}

Alessandro, B. ^{[73
]}

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

Alfaro Molina, R. ^{[87
]}

Ali, Y. ^{[19
]}

Alici, A. ^{[13
,14
,35
,36
,68
]}

Alkin, A. ^{[2
]}

Alme, J. ^{[26
]}

Alt, T. ^{[84
]}

Altenkamper, L. ^{[26
]}

Altsybeev, I. ^{[127
]}

Anaam, M. N. ^{[7
]}

Andrei, C. ^{[62
]}

Andreou, D. ^{[49
]}

Andrews, H. A. ^{[124
]}

Andronic, A. ^{[119
,120
,160
]}

Angeletti, M. ^{[49
]}

Anguelov, V. ^{[117
]}

Anson, C. ^{[20
]}

Anticic, T. ^{[121
]}

Antinori, F. ^{[71
]}

Antonioli, P. ^{[68
]}

Anwar, R. ^{[141
]}

Apadula, N. ^{[94
]}

Aphecetche, L. ^{[129
]}

Appelshaeuser, H. ^{[84
]}

Arcelli, S. ^{[35
,36
]}

Arnaldi, R. ^{[73
]}

Arratia, M. ^{[94
]}

Arsene, I. C. ^{[25
]}

Arslandok, M. ^{[117
]}

Augustinus, A. ^{[49
]}

Averbeck, R. ^{[119
,120
]}

Azmi, M. D. ^{[21
]}

机构：

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

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

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

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

[5] Budker Inst Nucl Phys, Novosibirsk, Russia

[6] Calif Polytechn State Univ, San Luis Obispo, CA USA

[7] Cent China Normal Univ, Wuhan, Hubei, Peoples R China

[8] Ctr Calcul IN2P3, Villeurbanne, France

[9] Ctr Calcul IN2P3, Lyon, France

[10] Ctr Aplicaciones Tecnolog & Desarrollo Nucl CEADE, Havana, Cuba

[11] Ctr Investigac & Estudios Avanzados CINVESTAV, Mexico City, DF, Mexico

[12] Ctr Investigac & Estudios Avanzados CINVESTAV, Merida, Venezuela

[13] Ctr Fermi Museo Storico Fis, Rome, Italy

[14] Ctr Studi & Ric Enrico Fermi, Rome, Italy

[15] Chicago State Univ, Chicago, IL USA

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

[17] Chonbuk Natl Univ, Jeonju, South Korea

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

[19] COMSATS Inst Informat Technol CIIT, Islamabad, Pakistan

[20] Creighton Univ, Omaha, NE 68178 USA

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

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

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

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

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

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

[27] Univ Roma La Sapienza, Dipartimento Fis, Rome, Italy

[28] Sezione Ist Nazl Fis Nucl, Rome, Italy

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

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

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

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

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

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

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

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

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

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

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

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

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

[42] Grp Collegato INFN, Salerno, Italy

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

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

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

[46] INFN, Sez Torino, Alessandria, Italy

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

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

[49] European Org Nucl Res CERN, Geneva, Switzerland

[50] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split, Croatia

来源：

NATURE | 2020年 / 588卷 / 7837期

基金：

俄罗斯科学基金会; 奥地利科学基金会; 新加坡国家研究基金会; 俄罗斯基础研究基金会; 美国国家科学基金会; 日本学术振兴会; 美国能源部; 瑞典研究理事会; 巴西圣保罗研究基金会; 英国科学技术设施理事会; 中国国家自然科学基金;

关键词：

EXCHANGE-POTENTIAL APPROACH; BARYON-BARYON SCATTERING; NUCLEON;

D O I：

10.1038/s41586-020-3001-6

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

One of the key challenges for nuclear physics today is to understand from first principles the effective interaction between hadrons with different quark content. First successes have been achieved using techniques that solve the dynamics of quarks and gluons on discrete space-time lattices(1,2). Experimentally, the dynamics of the strong interaction have been studied by scattering hadrons off each other. Such scattering experiments are difficult or impossible for unstable hadrons(3-6) and so high-quality measurements exist only for hadrons containing up and down quarks(7). Here we demonstrate that measuring correlations in the momentum space between hadron pairs(8-12) produced in ultrarelativistic proton-proton collisions at the CERN Large Hadron Collider (LHC) provides a precise method with which to obtain the missing information on the interaction dynamics between any pair of unstable hadrons. Specifically, we discuss the case of the interaction of baryons containing strange quarks (hyperons). We demonstrate how, using precision measurements of proton-omega baryon correlations, the effect of the strong interaction for this hadron-hadron pair can be studied with precision similar to, and compared with, predictions from lattice calculations(13,14). The large number of hyperons identified in proton-proton collisions at the LHC, together with accurate modelling(15) of the small (approximately one femtometre) inter-particle distance and exact predictions for the correlation functions, enables a detailed determination of the short-range part of the nucleon-hyperon interaction.

引用

页码：232 / +

页数：9

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