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Dive into the research topics where Keisuke Ohtani is active.

Publication


Featured researches published by Keisuke Ohtani.


Physical Review D | 2014

Constraining the strangeness content of the nucleon by measuring the ϕ meson mass shift in nuclear matter

Philipp Gubler; Keisuke Ohtani

The behavior of the


Physical Review D | 2013

Parity projection of QCD sum rules for the nucleon

Keisuke Ohtani; Philipp Gubler; Makoto Oka

\ensuremath{\phi}


Ultrasonics | 2000

Novel wedge-shaped doubly inclined chamber for the flow-through separation of suspended particles

Keisuke Ohtani; Yoshikazu Koike; Sadayuki Ueha; Hiroshi Yokoi

meson at finite density is studied, making use of a QCD sum rule approach in combination with the maximum entropy method. It is demonstrated that a possible mass shift of the


European Physical Journal A | 2011

A Bayesian analysis of the nucleon QCD sum rules

Keisuke Ohtani; Philipp Gubler; Makoto Oka

\ensuremath{\phi}


Progress of Theoretical and Experimental Physics | 2014

QCD sum rules on the complex Borel plane

Ken-Ji Araki; Keisuke Ohtani; Philipp Gubler; Makoto Oka

in nuclear matter is strongly correlated to the strangeness content of the nucleon, which is proportional to the strange sigma term,


Physical Review C | 2017

Charmed baryon Λc in nuclear matter

Keisuke Ohtani; Ken-Ji Araki; Makoto Oka

{\ensuremath{\sigma}}_{sN}={m}_{s}⟨N|\overline{s}s|N⟩


Physical Review C | 2016

Negative-parity nucleon excited state in nuclear matter

Keisuke Ohtani; Philipp Gubler; Makoto Oka

. Our results furthermore show that, depending on the value of


XITH CONFERENCE ON QUARK CONFINEMENT AND HADRON SPECTRUM | 2016

Relating the strangeness content of the nucleon with the mass shift of the ϕ meson in nuclear matter

Philipp Gubler; Keisuke Ohtani

{\ensuremath{\sigma}}_{sN}


Proceedings of the 2nd International Symposium on Science at J-PARC — Unlocking the Mysteries of Life, Matter and the Universe — | 2015

Measuring the Strangeness Content of the Nucleon by Observing the ϕ-Meson Mass Shift in Nuclear Matter

Philipp Gubler; Keisuke Ohtani

, the


Proceedings of XV International Conference on Hadron Spectroscopy — PoS(Hadron 2013) | 2014

Vector mesons at finite density from QCD sum rules and the maximum entropy method

Philipp Gubler; Keisuke Ohtani

\ensuremath{\phi}

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Philipp Gubler

Tokyo Institute of Technology

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Makoto Oka

Tokyo Institute of Technology

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Ken-Ji Araki

Tokyo Institute of Technology

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Yoshikazu Koike

Tokyo Institute of Technology

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Kentaro Nakamura

Tokyo Institute of Technology

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Takaaki Ishii

Tokyo Institute of Technology

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Hiroshi Yokoi

Ontario Ministry of Transportation

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