Study of \(\Lambda \) Identification Method by the \(\pi ^{ - }p \to K^{0}\Lambda \) Reaction for a \(\Lambda p\) Scattering Experiment at J-PARC - Archive ouverte HAL Access content directly
Conference Papers Year : 2021

Study of \(\Lambda \) Identification Method by the \(\pi ^{ - }p \to K^{0}\Lambda \) Reaction for a \(\Lambda p\) Scattering Experiment at J-PARC

T. Sakao
  • Function : Author
J.K. Ahn
  • Function : Author
Y. Akazawa
  • Function : Author
T. Aramaki
  • Function : Author
S. Ashikaga
  • Function : Author
S.W. Choi
  • Function : Author
P. Evtoukhovitch
  • Function : Author
N. Fujioka
  • Function : Author
M. Fujita
  • Function : Author
T. Gogami
  • Function : Author
T. Harada
  • Function : Author
S. Hasegawa
  • Function : Author
S.H. Hayakawa
  • Function : Author
R. Honda
  • Function : Author
S. Hoshino
  • Function : Author
K. Hosomi
  • Function : Author
M. Ichikawa
  • Function : Author
Y. Ichikawa
M. Ikeda
  • Function : Author
K. Imai
  • Function : Author
Y. Ishikawa
  • Function : Author
S. Ishimoto
  • Function : Author
W.S. Jung
  • Function : Author
S. Kajikawa
  • Function : Author
H. Kanauchi
  • Function : Author
H. Kanda
  • Function : Author
B.M. Kang
  • Function : Author
H. Kawai
  • Function : Author
S.H. Kim
  • Function : Author
K. Kobayashi
  • Function : Author
K. Matsuda
  • Function : Author
Y. Matsumoto
  • Function : Author
K. Miwa
  • Function : Author
S. Nagao
  • Function : Author
R. Nagatomi
  • Function : Author
Y. Nakada
  • Function : Author
M. Nakagawa
  • Function : Author
I. Nakamura
  • Function : Author
T. Nanamura
  • Function : Author
M. Naruki
  • Function : Author
S. Ozawa
  • Function : Author
T. Rogers
  • Function : Author
A. Sakaguchi
  • Function : Author
H. Sako
  • Function : Author
S. Sato
  • Function : Author
K. Shirotori
  • Function : Author
K.N. Suzuki
  • Function : Author
S. Suzuki
  • Function : Author
M. Tabata
  • Function : Author
H. Takahashi
  • Function : Author
T.N. Takahashi
  • Function : Author
M. Tanaka
  • Function : Author
K. Tanida
  • Function : Author
H. Tamura
  • Function : Author
Z. Tsamalaidze
  • Function : Author
M. Ukai
  • Function : Author
H. Umetsu
  • Function : Author
T.O. Yamamoto
  • Function : Author
J. Yoshida
  • Function : Author
K. Yoshimura
  • Function : Author

Abstract

The \(\pi ^{ - }p \to K^{0}\Lambda \) reaction is an important elementary process to produce \(\Lambda \) from a proton target and is a key for a \(\Lambda p\) scattering experiment where the momentum of \(\Lambda \) should be tagged from the missing momentum of the \((\pi ^{ - },K^{0})\) reaction. However, the \((\pi ^{ - },K^{0})\) spectroscopy method has not been established yet due to the difficulty of the K^0 detection. Therefore, we have proposed a new K^0 detection method where \(\pi ^{ + }\) and \(i^{ - }\) from the K^0 decay are measured by a forward magnetic spectrometer and a detector cluster surrounding the target, respectively. The feasibility of the K^0 detection method was confirmed by analyzing the J-PARC E40 data taken with such a detector system. In the analysis, \(\Lambda \)’s were successfully identified in the missing mass spectrum of the \(\pi ^{ - }p \to K^{0}X\) reaction.

Dates and versions

hal-03197504 , version 1 (13-04-2021)

Identifiers

Cite

T. Sakao, J.K. Ahn, Y. Akazawa, T. Aramaki, S. Ashikaga, et al.. Study of \(\Lambda \) Identification Method by the \(\pi ^{ - }p \to K^{0}\Lambda \) Reaction for a \(\Lambda p\) Scattering Experiment at J-PARC. 3rd International Symposium on Science at J-PARC, Sep 2019, Tsukuba, Japan. pp.011133, ⟨10.7566/JPSCP.33.011133⟩. ⟨hal-03197504⟩
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