학술논문
Search for $^6_\Lambda$H hypernucleus by the $^6$Li$(\pi^-,K^+)$ reaction at $p_{\pi^-}$ = 1.2 GeV/$c$
Document Type
Working Paper
Author
Sugimura, H.; Agnello, M.; Ahn, J. K.; Ajimura, S.; Akazawa, Y.; Amano, N.; Aoki, K.; Bhang, H. C.; Chiga, N.; Endo, M.; Evtoukhovitch, P.; Feliciello, A.; Fujioka, H.; Fukuda, T.; Hasegawa, S.; Hayakawa, S.; Honda, R.; Hosomi, K.; Hwang, S. H.; Ichikawa, Y.; Igarashi, Y.; Imai, K.; Ishibashi, N.; Iwasaki, R.; Joo, C. W.; Kiuchi, R.; Lee, J. K.; Lee, J. Y.; Matsuda, K.; Matsumoto, Y.; Matsuoka, K.; Miwa, K.; Mizoi, Y.; Moritsu, M.; Nagae, T.; Nagamiya, S.; Nakagawa, M.; Naruki, M.; Noumi, H.; Ota, R.; Roy, B. J.; Saha, P. K.; Sakaguchi, A.; Sako, H.; Samanta, C.; Samoilov, V.; Sasaki, Y.; Sato, S.; Sekimoto, M.; Shimizu, Y.; Shiozaki, T.; Shirotori, K.; Soyama, T.; Takahashi, T.; Takahashi, T. N.; Tamura, H.; Tanabe, K.; Tanaka, T.; Tanida, K.; Tokiyasu, A. O.; Tsamalaidze, Z.; Ukai, M.; Yamamoto, T. O.; Yamamoto, Y.; Yang, S. B.; Yoshida, K.
Source
Phys. Lett. B. 729 (2014) 39
Subject
Language
Abstract
We have carried out an experiment to search for a neutron-rich hypernucleus, $^6_{\Lambda}$H, by the $^6$Li($\pi^-,K^+$) reaction at $p_{\pi^-}$ =1.2 GeV/$c$. The obtained missing mass spectrum with an estimated energy resolution of 3.2 MeV (FWHM) showed no peak structure corresponding to the $^6_{\Lambda}$H hypernucleus neither below nor above the $^4_{\Lambda}$H$+2n$ particle decay threshold. An upper limit of the production cross section for the bound $^6_{\Lambda}$H hypernucleus was estimated to be 1.2 nb/sr at 90% confidence level.
Comment: 6 pages, 5 figures, published version
Comment: 6 pages, 5 figures, published version