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Journal Articles

Exact vector channel sum rules at finite temperature

Gubler, P.; Sato, Daisuke*

JPS Conference Proceedings (Internet), 26, p.024023_1 - 024023_5, 2019/11

In this talk, I will introduce and review several exact sum rules of the vector channel spectral function at finite temperature, which we have derived in a recent paper. I will also discuss an explicit check of these sum rules in perturbation theory and possible application to the analysis of lattice QCD data.

Journal Articles

Radiative transitions of singly and doubly charmed baryons in lattice QCD

Bahtiyar, H.*; Can, K. U.*; Erkol, G.*; Oka, Makoto; Takahashi, Toru*

JPS Conference Proceedings (Internet), 26, p.022027_1 - 022027_4, 2019/11

Transition amplitude of spin 3/2 single and double-charm baryon to spin 1/2 ground state was evaluated in the lattice QCD, the first principle.

Journal Articles

Spectrum of the charmed baryons in 2+1-flavor lattice QCD

Can, K. U.*; Bahtiyar, H.*; Erkol, G.*; Gubler, P.; Oka, Makoto; Takahashi, Toru*

JPS Conference Proceedings (Internet), 26, p.022028_1 - 022028_5, 2019/11

Spectrum of the ground state and excited states of charmed baryons was evaluated in the lattice QCD, the first principle.

Journal Articles

A $$Sigma p$$ scattering experiment at J-PARC and the analysis status

Nakada, Yoshiyuki*; Hasegawa, Shoichi; Hayakawa, Shuhei*; Hosomi, Kenji; Ichikawa, Yudai; Imai, Kenichi; Nanamura, Takuya*; Naruki, Megumi*; Sako, Hiroyuki; Sato, Susumu; et al.

JPS Conference Proceedings (Internet), 26, p.023024_1 - 023024_5, 2019/11

Journal Articles

First $$gamma$$-ray spectroscopy of an $$sd$$-shell hypernucleus, $$^{19}_{Lambda}$$F

Yang, S. B.*; Hasegawa, Shoichi; Hayakawa, Shuhei*; Hosomi, Kenji; Ichikawa, Yudai; Imai, Kenichi; Sako, Hiroyuki; Sato, Susumu; Tamura, Hirokazu*; Tanida, Kiyoshi; et al.

JPS Conference Proceedings (Internet), 26, p.023015_1 - 023015_5, 2019/11

Journal Articles

Study of $$Y^*$$ in nuclei through C$$(K^-, pi^+)X$$ spectrum at 1.8 GeV/$$c$$ 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; et al.

JPS Conference Proceedings (Internet), 26, p.023014_1 - 023014_4, 2019/11

Journal Articles

Results of $$bar{K}NN$$ search via the $$(K^-, n)$$ reaction at J-PARC

Yamaga, Takumi*; Hashimoto, Tadashi; Tanida, Kiyoshi; 66 of others*

JPS Conference Proceedings (Internet), 26, p.023008_1 - 023008_6, 2019/11

Journal Articles

Search for excited state of $$_{Sigma }^{4}{rm He}$$ hypernucleus in the J-PARC E13 experiment

Nakagawa, Manami*; Hasegawa, Shoichi; Hayakawa, Shuhei; Hosomi, Kenji; Ichikawa, Yudai; Imai, Kenichi; Sako, Hiroyuki; Sato, Susumu; Tamura, Hirokazu; Tanida, Kiyoshi; et al.

JPS Conference Proceedings (Internet), 26, p.023005_1 - 023005_3, 2019/11

Journal Articles

Experimental study of Di-quark correlation by charmed baryon spectroscopy at J-PARC high-momentum secondary beam line

Komatsu, Yusuke *; Ichikawa, Yudai; Naruki, Megumi*; Tanida, Kiyoshi; 24 of others*

JPS Conference Proceedings (Internet), 26, p.022029_1 - 022029_4, 2019/11

Journal Articles

$$Lambda(1405)$$ spectroscopy via the in-flight $$d(K^-, n)$$ reaction at the J-PARC K1.8BR

Kawasaki, Shingo*; Hashimoto, Tadashi; Tanida, Kiyoshi; 72 of others*

JPS Conference Proceedings (Internet), 26, p.022009_1 - 022009_5, 2019/11

Oral presentation

Kaonic atom experiments at J-PARC

Hashimoto, Tadashi

no journal, , 

X-ray spectroscopy of kaonic atom is a powerful tool to investigate the K$$^{rm bar}$$ N interaction and K$$^{rm bar}$$ nucleus interaction at zero kinetic energy. Using a high-intensity kaon beam at J-PARC, we are conducting two kaonic atom experiments. One is to determine the strong-interaction-induced 2p shift in kaonic helium-3 and -4 with a precision to sub eV by a novel cryogenic X-ray detector, to distinguish existing potential models. The other one aims at the first obserbation of 2p to 1s transition X-rays from kaonic deuterium, to resolve the isospin dependent interaction together with kaonic hydrogen data. In this contribution, we will present the latest results from koanic helium experiment performed in June, 2018, and the outlook toward the kaonic deuterium experiment.

Oral presentation

J-PARC E07, systematic study of doublestrangeness nuclei with hybrid emulsion method

Yoshida, Junya

no journal, , 

J-PARC E07 is a unique experiment at J-PARC to investigate double hypernuclei with the hybrid emulsion method. It is designed to detect 10 times higher statistics of double hypernuclei compared to the past experiments. Moreover, this experiment aims the first measurement of X-ray from Xi-atom by a Germanium detector array. These experimental data will provide essential information on Lambda-Lambda and Xi-nucleon interactions. Beam exposure of J-PARC E07 has been completed in 2017 with 118 emulsion modules containing 1.5k emulsion sheets. Photographic developing of all emulsion sheets has been completed. These emulsion sheets are presently being analyzed with dedicated microscope systems. About 10 double hypernuclear events have been observed in nearly ten percent of total statistics as of June 2018. I will report the latest information about our experiment: status of searching work, analysis of found events, and the prospect of the analysis.

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