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Sekihara, Takayasu; Oset, E.*; Ramos, A.*
JPS Conference Proceedings (Internet), 26, p.023009_1 - 023009_4, 2019/11
Sekihara, Takayasu; Oset, E.*; Ramos, A.*
Proceedings of Science (Internet), 310, p.199_1 - 199_5, 2018/03
Sekihara, Takayasu; Oset, E.*; Ramos, A.*
Acta Physica Polonica B, 48(10), p.1869 - 1874, 2017/10
Times Cited Count:1 Percentile:11.85(Physics, Multidisciplinary)Miyahara, Kenta*; Hyodo, Tetsuo*; Oka, Makoto; Nieves, J.*; Oset, E.*
Physical Review C, 95(3), p.035212_1 - 035212_12, 2017/03
Times Cited Count:28 Percentile:89.50(Physics, Nuclear)Nonleptonic weak decays of into and a meson-baryon final state, , are analyzed from the viewpoint of probing baryon resonances, i.e. and . We argue that the weak decay of is dominated by a single quark-line diagram. The decay process has an advantage of being free from meson resonances in the invariant mass distribution. The invariant mass distribution of the meson-baryon final state is calculated, assuming that the and resonances have . It is found that a clear peak for the is seen in the and spectra. We also suggest that the ratios of the , and final states are useful to distinguish whether the peak is originated from the resonance or it is a threshold effect.
Sekihara, Takayasu; Oset, E.*; Ramos, A.*
JPS Conference Proceedings (Internet), 13, p.020002_1 - 020002_5, 2017/02
Sekihara, Takayasu; Oset, E.*; Ramos, A.*
Progress of Theoretical and Experimental Physics (Internet), 2016(12), p.123D03_1 - 123D03_27, 2016/12
Times Cited Count:37 Percentile:85.69(Physics, Multidisciplinary)Oset, E.*; 10 of others*; Oka, Makoto
Acta Physica Polonica B, 47(2), p.357 - 365, 2016/02
Times Cited Count:3 Percentile:27.44(Physics, Multidisciplinary)We review results from studies with unconventional many-hadron systems containing mesons: systems with two mesons and one baryon, three mesons, some novel systems with two baryons and one meson, and finally, systems with many vector mesons, up to six, with their spins aligned forming states of increasing spin. We show that in many cases, one has experimental counterparts for the states found, while in some other cases, they remain as predictions, which we suggest to be searched in BESIII, Belle, LHCb, FAIR and other facilities.
Sekihara, Takayasu; Oset, E.*; Ramos, A.*
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Sekihara, Takayasu; Oset, E.*; Ramos, A.*
no journal, ,
Sekihara, Takayasu; Oset, E.*; Ramos, A.*
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