scholarly journals η′ meson under partial restoration of chiral symmetry in nuclear medium

2013 ◽  
Vol 914 ◽  
pp. 354-359 ◽  
Author(s):  
Daisuke Jido ◽  
Shuntaro Sakai ◽  
Hideko Nagahiro ◽  
Satoru Hirenzaki ◽  
Natsumi Ikeno
2012 ◽  
Vol 37 ◽  
pp. 09019 ◽  
Author(s):  
Daisuke Jido ◽  
Hideko Nagahiro ◽  
Satoru Hirenzaki ◽  
Shuntaro Sakai

2008 ◽  
Vol 23 (27n30) ◽  
pp. 2512-2515 ◽  
Author(s):  
HIDEKO NAGAHIRO ◽  
DAISUKE JIDO ◽  
SATORU HIRENZAKI

We investigate the properties of η-nucleus interaction by postulating the N*(1535) dominance for η-N system. We evaluate the N*(1535) properties in the nuclear medium using two kinds of chiral models, and find that these two models provide qualitatively different η-nucleus optical potentials reflecting the quite distinct properties of N*(1535) in these chiral models. Especially, in the chiral doublet model, we can expect to have the level crossing between η and N*(1535)-hole which is expected to provide the characteristic features for the optical potential and the formation spectra. We find also that the difference of these models can be seen in the formation cross sections of the η mesic nuclei with (π+, p ) reaction expected to be performed at J-PARC project.


2017 ◽  
Vol 912 ◽  
pp. 012009
Author(s):  
J J Cobos-Martínez ◽  
K. Tsushima ◽  
G. Krein ◽  
A. W. Thomas

2015 ◽  
Vol 91 (9) ◽  
Author(s):  
Takumi Iritani ◽  
Guido Cossu ◽  
Shoji Hashimoto

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