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, and COSYoshida, Go*; Ninomiya, Kazuhiko*; Inagaki, Makoto*; Higemoto, Wataru; Strasser, P.*; Kawamura, Naritoshi*; Shimomura, Koichiro*; Miyake, Yasuhiro*; Miura, Taichi*; Kubo, Kenya*; et al.
Journal of Radioanalytical and Nuclear Chemistry, 320, p.283 - 289, 2019/05
Times Cited Count：4 Percentile：40.43(Chemistry, Analytical)The role of valence electrons for the muon capture process by molecules is experimentally investigated with the aid of cascade calculations. Low-momentum muons are introduced to gas targets below atmospheric pressure. The initial states of captured muons are determined from the measured muonic X-ray structure of the Lyman and Balmer series. We propose that the lone pair electrons in the carbon atom of CO significantly contribute to the capture of a muon with large angular momenta.
Sugiyama, Jun*; Umegaki, Izumi*; Nozaki, Hiroshi*; Higemoto, Wataru; Hamada, Koji*; Takeshita, Soshi*; Koda, Akihiro*; Shimomura, Koichiro*; Ninomiya, Kazuhiko*; Kubo, Kenya*
Physical Review Letters, 121(8), p.087202_1 - 087202_5, 2018/08
Times Cited Count：18 Percentile：74.14(Physics, Multidisciplinary)Yamaguchi, Yuji; Harada, Masahide; Kawamura, Naritoshi*; Haga, Katsuhiro
no journal, ,
no abstracts in English
Yamaguchi, Yuji; Niikura, Megumi*; Mizuno, Rurie*; Tampo, Motonobu*; Harada, Masahide; Kawamura, Naritoshi*; Umegaki, Izumi*; Takeshita, Soshi*; Haga, Katsuhiro
no journal, ,
The yield of radionuclides produced by nuclear capture of negative muons has been measured at Muon Science Establishment of Materials and Life Science Experimental Facility (MLF) to accurately estimate radioactivity of muon-irradiated samples at MLF, J-PARC. In this measurement, new data which were difficult to measure at preliminary experiment last year have been obtained by improving the negative-muon counting method.
