Experimental studies of di-jets in Au plus Au collisions using angular correlations with respect to back-to-back leading hadrons
文献类型：期刊论文
| 作者 | Adamczyk, L.1; Agakishiev, G.20; Aggarwal, M. M.33; Ahammed, Z.52; Alakhverdyants, A. V.20; Alekseev, I.18; Alford, J.21; Anson, C. D.30; Arkhipkin, D.4; Aschenauer, E.4 |
| 刊名 | PHYSICAL REVIEW C
 |
| 出版日期 | 2013-04-08 |
| 卷号 | 87 |
| ISSN号 | 0556-2813 |
| DOI | 10.1103/PhysRevC.87.044903 |
| 文献子类 | Article |
| 英文摘要 | Jet-medium interactions are studied via a multihadron correlation technique ( called "2 + 1"), where a pair of back-to-back hadron triggers with large transverse momentum is used as a proxy for a di-jet. This work extends the previous analysis for nearly symmetric trigger pairs with the highest momentum threshold of trigger hadron of 5 GeV/c with the new calorimeter-based triggers with energy thresholds of up to 10 GeV and above. The distributions of associated hadrons are studied in terms of correlation shapes and per-trigger yields on each trigger side. In contrast with di-hadron correlation results with single triggers, the associated hadron distributions for back-to-back triggers from central Au + Au data at root S-NN = 200 GeV show no strong modifications compared to d + Au data at the same energy. An imbalance in the total transverse momentum between hadrons attributed to the near-side and away-side of jetlike peaks is observed. The relative imbalance in the Au + Au measurement with respect to d + Au reference is found to increase with the asymmetry of the trigger pair, consistent with the expectation from medium-induced energy-loss effects. In addition, this relative total transverse momentum imbalance is found to decrease for softer associated hadrons. Such evolution indicates that the energy missing at higher associated momenta is converted into softer hadrons. DOI:10.1103/PhysRevC.87.044903 |
| 资助项目 | National Research Foundation[NRF-2012004024] |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000317196200007 |
| 出版者 | AMER PHYSICAL SOC |
| 源URL | [http://119.78.100.186/handle/113462/48441]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Adamczyk, L. |
| 作者单位 | 1.AGH Univ Sci & Technol, Krakow, Poland 2.Argonne Natl Lab, Argonne, IL 60439 USA 3.Univ Birmingham, Birmingham, W Midlands, England 4.Brookhaven Natl Lab, Upton, NY 11973 USA 5.Univ Calif Berkeley, Berkeley, CA 94720 USA 6.Univ Calif Davis, Davis, CA 95616 USA 7.Univ Calif Los Angeles, Los Angeles, CA 90095 USA 8.Univ Estadual Campinas, Sao Paulo, Brazil 9.Univ Illinois, Chicago, IL 60607 USA 10.Cracow Univ Technol, Krakow, Poland |
| 推荐引用方式 GB/T 7714 | Adamczyk, L.,Agakishiev, G.,Aggarwal, M. M.,et al. Experimental studies of di-jets in Au plus Au collisions using angular correlations with respect to back-to-back leading hadrons[J]. PHYSICAL REVIEW C,2013,87. |
| APA | Adamczyk, L..,Agakishiev, G..,Aggarwal, M. M..,Ahammed, Z..,Alakhverdyants, A. V..,...&STAR Collaboration.(2013).Experimental studies of di-jets in Au plus Au collisions using angular correlations with respect to back-to-back leading hadrons.PHYSICAL REVIEW C,87. |
| MLA | Adamczyk, L.,et al."Experimental studies of di-jets in Au plus Au collisions using angular correlations with respect to back-to-back leading hadrons".PHYSICAL REVIEW C 87(2013). |
入库方式： OAI收割
来源：近代物理研究所
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