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5 results on '"Manami Nakagawa"'

1. Establishment of a modern experimental technique of a \(\Sigma p\) scattering experiment at J-PARC

Author

Y. Matsumoto, H. Umetsu, K. Tanida, H. Kanauchi, Toshiyuki Gogami, C. d. L. Taille, Atsushi Sakaguchi, Mifuyu Ukai, L. Raux, Megumi Naruki, Kazuhiro Suzuki, Makoto Tabata, S. Hoshino, Manami Fujita, Nobuyuki Chiga, Koji Yoshimura, S. Kajikawa, Masaharu Ieiri, M. Ikeda, S. Callier, Satoshi Sato, T. Shiozaki, Ryotaro Honda, H. Kawai, Kotaro Shirotori, T. G. Rogers, T. Aramaki, T. Harada, S. H. Hayakawa, Hiroyuki Ekawa, Takashi Yamamoto, Yuya Akazawa, Hiroyuki Sako, I. Nakamura, T. Nanamura, Junya Yoshida, R. Nagatomi, Yudai Ichikawa, K. Matsuda, Petr Evtoukhovitch, Kenichi Imai, Shoichi Hasegawa, Kenji Hosomi, S. Ozawa, Y. Nakada, N. Fujioka, M. Ichikawa, B. M. Kang, S. Y. Suzuki, Hitoshi Takahashi, Hitoshi Tamura, S. Ishimoto, Masaaki Tanaka, H. Kanda, T. Sakao, T. Takahashi, S. Ashikaga, Yoshikazu Ishikawa, Kensuke Kobayashi, J. K. Ahn, W. S. Jung, S. H. Kim, Manami Nakagawa, Z. Tsamalaidze, K. Miwa, T. N. Takahashi, Takeshi Koike, S. Nagao, S. W. Choi, Organisation de Micro-Électronique Générale Avancée (OMEGA), and École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)

Subjects
Scattering cross-section, Physics, Particle physics, Scattering, Sigma-: production, J-PARC Lab, p Sigma: scattering, Sigma, differential cross section, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Production (computer science), J-PARC, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], talk, Analysis method
Abstract

International audience; A part of the experiment was performed in 2018 and 2019 in J-PARC. As a result of analyzing the collected data, the \(\Sigma ^{ - }\) production and the \(\Sigma ^{ - }p\) scattering reaction have been identified. It means that our new measurement and analysis method are successfully working well. Analysis for deriving the differential cross section of the \(\Sigma p\) scattering is on going.

Published
2019

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

Author

S. Callier, H. Kawai, Kotaro Shirotori, Yudai Ichikawa, Megumi Naruki, Yuya Akazawa, H. Kanauchi, Y. Nakada, M. Ichikawa, B. M. Kang, Manami Fujita, Koji Yoshimura, T. Nanamura, Masaaki Tanaka, T. Harada, H. Umetsu, Hitoshi Tamura, T. Aramaki, Manami Nakagawa, S. Ishimoto, T. Sakao, K. Matsuda, Petr Evtoukhovitch, Y. Matsumoto, S. Ashikaga, Yoshikazu Ishikawa, Takashi Yamamoto, Z. Tsamalaidze, Junya Yoshida, T. G. Rogers, Shoichi Hasegawa, Toshiyuki Gogami, C. d. L. Taille, R. Nagatomi, Kensuke Kobayashi, K. Tanida, Makoto Tabata, L. Raux, Kenichi Imai, Satoshi Sato, Ryotaro Honda, S. Hoshino, S. W. Choi, W. S. Jung, Atsushi Sakaguchi, Mifuyu Ukai, Kazuhiro Suzuki, K. Miwa, Hitoshi Takahashi, Kenji Hosomi, S. H. Hayakawa, I. Nakamura, S. Kajikawa, S. Nagao, H. Kanda, T. Takahashi, Tadayuki Takahashi, S. H. Kim, J. K. Ahn, Hiroyuki Sako, S. Ozawa, N. Fujioka, S. Y. Suzuki, M. Ikeda, Organisation de Micro-Électronique Générale Avancée (OMEGA), and École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)

Subjects
p Lambda: scattering, momentum: missing-energy, Particle physics, Proton, Hypernuclear Physics, Lambda, Momentum, mass spectrum, p: target, +K0+Lambda%22">pi- p --> K0 Lambda, Pi, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Spectroscopy, cluster, Particle Physics, Physics, Scattering, J-PARC Lab, Strangeness, K0: decay, magnetic spectrometer, J-PARC, Mass spectrum, missing-mass, talk
Abstract

International audience; 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.

Published
2019

3. Operation of Multi-MPPC System for Cylindrical Scintillation Fiber Tracker

Author

Takeshi O. Yamamoto, R. Nagatomi, Shoichi Hasegawa, T. Shiozaki, S. Suzuki, Mifuyu Ukai, J. K. Ahn, I. Nakamura, Shuhei Hayakawa, Manami Nakagawa, T. Nanamura, T. Aramaki, S. Ozawa, T. N. Takahashi, Y. Nakada, Koji Miwa, M. Ichikawa, B. M. Kang, S. Ishimoto, Kenji Hosomi, N. Fujioka, Takeshi Koike, Hirokazu Tamura, Atsushi Sakaguchi, Hitoshi Takahashi, Hiroyuki Ekawa, Hideyuki Kawai, H. Umetsu, H. Kanda, Kensuke Kobayashi, T. Takahashi, M. Ikeda, Nobuyuki Chiga, Makoto Tabata, Kenichi Imai, K. N. Suzuki, Satoshi Sato, S. W. Choi, Masaharu Ieiri, Ryotaro Honda, S. Ashikaga, C. d. L. Taille, Yoshikazu Ishikawa, Hiroyuki Sako, Y. Matsumoto, S. H. Kim, S. Callier, Kotaro Shirotori, Yuya Akazawa, H. Kanauchi, Yudai Ichikawa, Z. Tsamalaidze, L. Raux, S. Hoshino, Manami Fujita, Koji Yoshimura, Megumi Naruki, K. Matsuda, Petr Evtoukhovitch, W. S. Jung, Organisation de Micro-Électronique Générale Avancée (OMEGA), and École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)

Subjects
Physics, Scintillation, Optics, 010308 nuclear & particles physics, business.industry, 0103 physical sciences, Fiber, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, business, 01 natural sciences
Abstract

International audience; Although more detailed analysis for deriving the cross section of \(\Sigma p\) scattering is necessary to derive the cross section of \(\Sigma p\) scattering, we have confirmed that CFT has enough angular resolution of tracking and energy resolution in order for the identification of the scattering events and particles.

Published
2018

4. A $\Sigma p$ scattering Experiment at J-PARC and the Analysis Status

Author

Hirokazu Tamura, Yudai Ichikawa, H. Kanauchi, H. Kanda, Kumpei Matsuda, Christophe de La Taille, Z. Tsamalaidze, Woo Seung Jung, Seong Bae Yang, Nobuyuki Chiga, Hideyuki Kawai, H. Umetsu, S. Ashikaga, Megumi Naruki, Kenichi Imai, K. N. Suzuki, Koji Miwa, Shuhei Hayakawa, Shin Hyung Kim, Manami Nakagawa, Takeshi Koike, Kazuya Kobayashi, Ryohei Nagatomi, Hiroyuki Ekawa, S. Hoshino, Masaharu Ieiri, Kenji Hosomi, Manami Fujita, Shigeru Ishimoto, Isamu Nakamura, Shoji Suzuki, Jung Keun Ahn, Shoichi Hasegawa, Koji Yoshimura, T. Aramaki, Yuji Ishikawa, Byung Min Kang, Makoto Tabata, Michihiko Ikeda, Hitoshi Takahashi, T. Shiozaki, Atsushi Sakaguchi, Kotaro Shirotori, M. Ichikawa, Kiyoshi Tanida, Sung Wook Choi, Y. Matsumoto, Mifuyu Ukai, Ryotaro Honda, Stephane Callier, Tomonori Takahashi, Y. Nakada, Manobu Tanaka, Toshiyuki Takahashi, Yuya Akazawa, Takeshi O. Yamamoto, T. Nanamura, Ludovic Raux, Susumu Sato, Petr Evtoukhovitch, Hiroyuki Sako, S. Ozawa, N. Fujioka, Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)

Subjects
Strangeness, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 7. Clean energy, 01 natural sciences, pi p: elastic scattering, Nuclear physics, mass spectrum, Recoil, strangeness, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], +Lambda+n%22">Sigma- p --> Lambda n, p: recoil, 010306 general physics, $\Sigma$N scattering, Physics, Elastic scattering, 010308 nuclear & particles physics, Scattering, J-PARC Lab, p Sigma: scattering, Sigma, scintillating fiber tracker, J-PARC, Spring (device), differential cross section, Mass spectrum, missing-mass, experimental results
Abstract

International audience; J-PARC E40 aims to measure the differential cross sections of the Σ^±p elastic scatterings and the Σ^−p → Λn conversion. A clear peak of Σ^− was observed in a missing mass spectrum of the π^−p → K^+X reaction and recoil protons from the πp elastic scattering were successfully observed in the data taken in the summer 2018. The rest of data taking is coming in the spring 2019.

Published
2018

5. High Statistics $\Sigma p$ Scattering Experiment Using High Intensity Pion Beams at J-PARC

Author

L. Raux, S. H. Hwang, Hitoshi Takahashi, J. L. Kim, Mifuyu Ukai, S. H. Kim, Y. Nakada, Atsushi Sakaguchi, Y. Kondo, M. Ikeda, S. Ishimoto, T. Shiozaki, Masaaki Tanaka, Manami Nakagawa, Takeshi Koike, Y. Ogura, Petr Evtoukhovitch, R. Honda, Shoichi Hasegawa, Manabu Moritsu, Koji Miwa, Kenichi Imai, Hiroyuki Sako, Koji Yoshimura, Shuhei Hayakawa, J. K. Ahn, K. Kobayashi, Kiyoshi Tanida, I. Nakamura, S. Y. Suzuki, K. Shirotori, H. Umetsu, Megumi Naruki, Nobuyuki Chiga, T. N. Takahashi, Y. Sasaki, Susumu Sato, J. W. Lee, K. Hosomi, Z. Tsamalaidze, Hirokazu Tamura, Tokujiro Yamamoto, W. S. Jung, Masaharu Ieiri, C. d. L. Taille, Y. Matsumoto, S. Callier, H. Kanda, T. Takahashi, Hitoshi Sugimura, Yuya Akazawa, T. Hayakawa, Organisation de Micro-Électronique Générale Avancée (OMEGA), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X), and École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)

Subjects
Particle physics, Hadron, Inelastic scattering, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 7. Clean energy, 01 natural sciences, +Sigma+p%22">Sigma p --> Sigma p, hydrogen: liquid: target, Pion, 0103 physical sciences, +Lambda+n%22">Sigma- p --> Lambda n, Hyperon proton scattering, pi: beam, 010306 general physics, Nuclear Experiment, Boson, baryon baryon: interaction, Physics, p hyperon: elastic scattering, 010308 nuclear & particles physics, Scattering, J-PARC Lab, scattering, Fermion, magnetic spectrometer, +K+Sigma%22">pi p --> K Sigma, Pauli principle, statistics, p hyperon: inelastic scattering, $\Sigma$N interaction, J-PARC, Nucleon, Sigma: production
Abstract

International audience; In order to test theoretical frameworks of the baryon–baryon (BB) interactions and to confirm the “Pauli effect between quarks” for the first time, we have proposed an experiment (J-PARC E40) to measure low-energy hyperon–proton scattering cross sections of the Σ^+p, Σ^−p elastic scatterings and the Σ^−p → Λn inelastic scattering in the momentum range of 400 < p (MeV/c) < 700 in the laboratory system. Experimentally, we detect two successive reactions of the Σ production (π^±p → K^+Σ^±) and the Σp scattering (Σp → Σp) in the same liquid hydrogen target. The former is measured with two magnetic spectrometers, and the latter with a scattered proton detector (CATCH). By using a high intensity π beam, we estimate that more than 10,000 scattering events can be identified. In this experiment, we aim to provide good quality scattering data to test the theoretical models of the BB interaction.

Published
2015

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