Measurement of the forwardηmeson production rate in p-p collisions at√s=13TeV with the LHCf-Arm2detector

被引:0
作者
Adriani, O. [1 ,2 ]
Berti, E. [1 ]
Betti, P. [1 ,2 ]
Bonechi, L. [1 ]
Bongi, M. [1 ,2 ]
D'Alessandro, R. [1 ,2 ]
Detti, S. [1 ]
Hagenauer, M. [3 ]
Itow, Y. [4 ,5 ]
Kasahara, K. [6 ]
Kitagami, Y. [4 ]
Kondo, M. [4 ]
Matsubara, Y. [4 ,16 ]
Menjo, H. [4 ]
Muraki, Y. [4 ]
Ohashi, K. [4 ]
Papini, P. [1 ]
Piparo, G. [7 ,8 ,9 ]
Ricciarini, S. [1 ,10 ]
Sako, T. [11 ]
Sakurai, N. [12 ,17 ]
Scaringella, M. [1 ]
Shimizu, Y. [13 ]
Tamura, T. [13 ]
Tiberio, A. [1 ,2 ]
Torii, S. [14 ]
Tricomi, A. [7 ,8 ,9 ]
Turner, W. C. [15 ]
Yoshida, K. [6 ]
机构
[1] INFN, Sect Firenze, Via G Sansone 1, I-50019 Sesto Fiorentino, Italy
[2] Univ Firenze, Dept Phys & Astron, Via G Sansone 1, I-50019 Sesto Fiorentino, FI, Italy
[3] Ecole Polytech, Route Saclay, F-91128 Palaiseau, France
[4] Nagoya Univ, Inst Space Earth Environm Res, Nagoya, Aichi 4648601, Japan
[5] Nagoya Univ, Kobayashi Maskawa Inst Origin Particles & Universe, Nagoya, Aichi 4648602, Japan
[6] Shibaura Inst Technol, Fac Syst Engn, 307 Fukusaku,Minuma Ku, Saitama 3378570, Japan
[7] INFN, Sect Catania, Via Santa Sofia 64, I-95123 Catania, Italy
[8] Univ Catania, Dept Phys & Astron Ettore Majorana, Via Santa Sofia 64, I-95123 Catania, Italy
[9] Ctr Siciliano Fis Nucleare & Struttura Mat CSFNSM, Via Santa Sofia 64, I-95123 Catania, Italy
[10] Ist Fis Applicata Nello Carrara IFAC CNR, Via Madonna Piano 10, I-50019 Sesto Fiorentino, Italy
[11] Univ Tokyo, Inst Cosm Ray Res ICRR, 5-1-5 Kashiwanoha, Kashiwa, Chiba 2778582, Japan
[12] Tokushima Univ, Tokushima 7708051, Japan
[13] Kanagawa Univ, Dept Appl Phys, Yokohama, Kanagawa 2218686, Japan
[14] Waseda Univ, Waseda Res Inst Sci & Engn RISE, 17 Kikuicho,Shinjuku, Tokyo 1620044, Japan
[15] Lawrence Berkeley Natl Lab LBNL, 1 Cyclotron Rd, Berkeley, CA 94720 USA
[16] Chubu Univ, Ctr Muon Sci & Technol, 1200 Matsumoto, Kasugai, Aichi 4878601, Japan
[17] Osaka Sangyo Univ, Fac Design Technol, 3-1-1 Nakagauchi, Daito, Osaka 5748530, Japan
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2023年 / 10期
关键词
Forward Physics; Hadron-Hadron Scattering; Particle and Resonance Production; QCD; ARRAY;
D O I
10.1007/JHEP10(2023)169
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 forward eta mesons production has been observed by the Large Hadron Collider forward (LHCf) experiment in proton-proton collision at root s = 13 TeV. This paper presents the measurement of the inclusive production rate of eta in pT< 1.1 GeV/c, expressed as a function of the Feynman-x variable. These results are compared with the predictions of several hadronic interaction models commonly used for the modelling of the air showers produced by ultra-high energy cosmic rays. This is both the first measurement of eta mesons from LHCf and the first time a particle containing strange quarks has been observed in the forward region for high-energy collisions. These results will provide a powerful constraint on hadronic interaction models for the purpose of improving the understanding of the processes underlying the air showers produced in the Earth's atmosphere by ultra-energetic cosmic rays.
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页数:22
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