Study of in nuclei through C spectrum at 1.8 GeV/ in the J-PARC E05 experiment

Honda, Ryotaro*; Hasegawa, Shoichi ; Hayakawa, Shuhei; Hosomi, Kenji ; Imai, Kenichi; Ichikawa, Yudai ; Nanamura, Takuya; Naruki, Megumi; Sako, Hiroyuki ; Sato, Susumu ; Tamura, Hirokazu*; Tanida, Kiyoshi ; Yamamoto, Takeshi ; 29 of others*

We measured the reaction spectra at 1.8 GeV/ for the graphite and the polyethylene targets in the J-PARC E05 pilot experiment. By comparing the spectra for these two targets, it was found that $Sigma^{*-}(1385)$ in the $^{11}$ B nucleus is quite broadened. Furthermore, we also compared broadness of $Sigma^{*-}(1385)$ with obtained in the spectrum. $Sigma^{*-}(1385)$ seems to be much more broadened in nuclei than . We gave a possible interpretation, which is related to compositeness of decuplet baryons, for this situation.

Language	:	English
Journal	:	JPS Conference Proceedings (Internet)
Volume	:	26
Number	:
Pages	:	p.023014_1 - 023014_4
Publication Year/Month	:	2019/11
Meeting title	:	8th International Conference on Quarks and Nuclear Physics (QNP 2018)
Held date	:	2018/11
Location (city)	:	Tsukuba
Location (country)	:	Japan
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.7566/JPSCP.26.023014
DOI for research data	:
Keywords	:	no keyword
Research Facility	:	J-PARC原子核素粒子実験施設
Press Release	:
Article of JAEA R&D Review	:
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Registration No. : BB20192037
JAEA Abstracts No. : 48000579
Paper Submission No. : 22870

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