Measurement of strange baryon-antibaryon interactions with femtoscopic correlations
文献类型：期刊论文
| 作者 | Acharya, S; Acosta, FT; Adam, J; Adamova, D; Adler, A; Adolfsson, J; Aggarwal, MM; Rinella, GA; Agnello, M; Agrawal, N |
| 刊名 | PHYSICS LETTERS B
 |
| 出版日期 | 2020 |
| 卷号 | 802页码:- |
| ISSN号 | 0370-2693 |
| 关键词 | LOW-ENERGY MULTIPLE PRODUCTION NUCLEON INTERACTION BOUND-STATE SCATTERING SIGMA COLLISIONS |
| DOI | 10.1016/j.physletb.2020.135223 |
| 文献子类 | 期刊论文 |
| 英文摘要 | Two-particle correlation functions were measured for p (p) over bar, p (Lambda) over bar, (p) over bar Lambda, and Lambda(Lambda) over bar pairs in Pb-Pb collisions at root sNN = 2.76 TeV and root sNN = 5.02 TeV recorded by the ALICE detector. From a simultaneous fit to all obtained correlation functions, real and imaginary components of the scattering lengths, as well as the effective ranges, were extracted for combined p (Lambda) over bar and (p) over bar Lambda pairs and, for the first time, for Lambda(Lambda) over bar pairs. Effective averaged scattering parameters for heavier baryon-antibaryon pairs, not measured directly, are also provided. The results reveal similarly strong interaction between measured baryon-antibaryon pairs, suggesting that they all annihilate in the same manner at the same pair relative momentum k*. Moreover, the reported significant non-zero imaginary part and negative real part of the scattering length provide motivation for future baryon-antibaryon bound state searches. (C) 2020 The Author(s). Published by Elsevier B.V. |
| 语种 | 英语 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/32996]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 作者单位 | 1.Univ Wroclaw, Inst Theoret Phys, Wroclaw, Poland 2.Yerevan Phys Inst, AI Alikhanyan Natl Sci Lab, Yerevan, Armenia 3.Natl Acad Sci Ukraine, Bogolyubov Inst Theoret Phys, Kiev, Ukraine 4.Bose Inst, Dept Phys, Kolkata, India 5.Bose Inst, Ctr Astroparticle Phys & Space Sci, Kolkata, India 6.Budker Inst Nucl Phys, Novosibirsk, Russia 7.Calif Polytechn State Univ, San Luis Obispo, CA USA 8.Cent China Normal Univ, Wuhan, Hubei, Peoples R China 9.Ctr Calcul IN2P3, Villeurbanne, France 10.Ctr Calcul IN2P3, Lyon, France |
| 推荐引用方式 GB/T 7714 | Acharya, S,Acosta, FT,Adam, J,et al. Measurement of strange baryon-antibaryon interactions with femtoscopic correlations[J]. PHYSICS LETTERS B,2020,802:-. |
| APA | Acharya, S.,Acosta, FT.,Adam, J.,Adamova, D.,Adler, A.,...&Zmeskal, J.(2020).Measurement of strange baryon-antibaryon interactions with femtoscopic correlations.PHYSICS LETTERS B,802,-. |
| MLA | Acharya, S,et al."Measurement of strange baryon-antibaryon interactions with femtoscopic correlations".PHYSICS LETTERS B 802(2020):-. |
入库方式： OAI收割
来源：上海应用物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。