Wed·Dec 31, 2014Wednesday·December 31, 2014

1. 01*

   Effect of event selection on jetlike correlation measurement in $d$+Au collisions at $\sqrt{s_{\mathrm{NN}}}=200$ GeV

   STAR Collaboration: L. Adamczyk🇵🇱 · J. K. Adkins🇺🇸 · G. Agakishiev🇷🇺 · M. M. Aggarwal🇮🇳 · Z. Ahammed🇮🇳 · I. Alekseev🇷🇺 · J. Alford🇺🇸 · A. Aparin🇷🇺 · D. Arkhipkin🇺🇸 · E. C. Aschenauer🇺🇸 · G. S. Averichev🇷🇺 · A. Banerjee🇮🇳 and 320 other authors

   Dihadron correlations are analyzed in $\sqrt{s_{{}_{\mathrm{NN}}}}=200$ GeV $d$+Au collisions classified by forward charged particle multiplicity and zero-degree neutral energy in the Au-beam direction. It is found that the jetlike correlated yield increases with the event multiplicity. After taking into account this dependence, the non-jet contribution on the away side is minimal, leaving little room for a back-to-back ridge in these collisions.

   nucl-exnucl-thPLB(2015)·42 citations
2. 02*

   Experimental study to explore the ${}^8\mathrm{Be}$ induced nuclear reaction via the Trojan Horse Method

   Wen Qun-Gang🇨🇳 · Li Cheng-Bo · Zhou Shu-Hua · Bakhadir Irgaziev🇵🇰 · Fu Yuan-Yong🇨🇳 · Claudio Spitaleri🇮🇹 · Marco La Cognata · Zhou Jing🇨🇳 · Meng Qiu-Ying · Livio Lamia🇮🇹 · Marcello Lattuada

   To explore a possible indirect method for ${}^8\mathrm{Be}$ induced astrophysical reactions, the ${}^9\mathrm{Be}=({}^8\mathrm{Be}+n)$ cluster structure was studied via the Trojan Horse Method. It is the first time to study a super short life nucleus ${}^8\mathrm{Be}$ via the Trojan Horse Method, and it is the first time to make a valid test for $l=1$ Trojan-horse nucleus. The ${}^9\mathrm{Be}$ nucleus is assumed to have a (${}^8\mathrm{Be}+n$) cluster structure and used as the Trojan-horse nucleus. The ${}^8\mathrm{Be}$ nucleus acts as a participant, while the neutron is a spectator to the virtual ${}^8\mathrm{Be}+d\to \alpha +{}^6\mathrm{Li}$ reaction via a suitable 3-body reaction ${}^9\mathrm{Be}+d\to \alpha +{}^6\mathrm{Li}+n$. The experimental neutron momentum distribution inside ${}^9\mathrm{Be}$ was reconstructed. The agreement between experimental and theoretical momentum distribution indicates that there should be a (${}^8\mathrm{Be}+n$) cluster structure inside ${}^9\mathrm{Be}$. Therefor the experimental study of ${}^8\mathrm{Be}$ induced reactions, for example the experimental measurement of the ${}^8\mathrm{Be}+\alpha \to {}^{12}\mathrm{C}$ reaction proceeding through the Hoyle state, is possible.

   nucl-exPRC(2016)·8 citations

* Reconstructed cohort: no mailing for this day survives in the archive. Papers are grouped by their submission times and arXiv's announcement cut-off, assuming announcement without delay; positions follow identifier order. Validated at ~91% exact-day agreement against the archived era.