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3 results on '"Iskendir, A."'

1. J-PARC E07: Systematic Study of Double Strangeness System with Hybrid Emulsion Method

Author

Megumi Naruki, R. Kiuchi, Kazuya Watanabe, S. H. Hwang, A. Koshikawa, Y. Sasaki, J. W. Lee, K. Ito, A. Iskendir, Yuki Sato, A. N. L. Nyaw, T. Nanamura, T. Takeda, Shoichi Hasegawa, S. Y. Matsumoto, Junya Yoshida, Yuki Fujikawa, M. Ichikawa, Masahiro Yoshimoto, Manabu Moritsu, Takayoshi Kawai, Hiroki Ito, K. Miwa, Hitoshi Takahashi, Y. Ogura, Hiroyuki Ekawa, C. S. Yoon, K. Imai, K. Inaba, D. H. Zhang, H. Kanauchi, W. S. Jung, Yoshiro Takahashi, Hitoshi Sugimura, Kazuma Nakazawa, T. Hashimoto, Manami Fujita, J. Y. Sohn, Jihwa Lee, Shunsuke Kanatsuki, K. Tanida, H. Sako, T. L. Ma, T. Hayakawa, A. T. Moe, M. Hirose, S. Kinbara, D. Nakashima, M. H. Kim, K. Oue, Y. Nakada, T. J. Moon, M. Minakawa, Myint Kyaw Soe, T. Takahashi, K. Agari, E. Umezaki, Toyoki Watabe, Seongbae Yang, S. Ashikaga, Y. C. Han, Yoshikazu Ishikawa, Mifuyu Ukai, M. Ohashi, Masaharu Ieiri, Kazuhiro Suzuki, Aye Moh Moh Theint, Kensuke Kobayashi, M. M. Soe, K. Hosomi, Manami Nakagawa, K. Hicks, S. Hoshino, Kotaro Shirotori, Yuya Akazawa, S. Y. Ryu, S. H. Kim, E. Hayata, B. Bassalleck, A. Kasagi, Z. Zhang, J. K. Ahn, J. Pochodzalla, Khin Than Tint, Shuhei Hayakawa, T. O. Yamamoto, Takeshi Koike, Y. Toyama, S. Sato, S. Ozawa, N. Fujioka, Ryotaro Honda, Yoko Endo, Y. Ichikawa, T. Akaishi, K. Hoshino, Erina Hirose, S. Bleser, Y. Nagase, Hitoshi Tamura, F. Schupp, Hidetaka Kobayashi, and R. Goto

Subjects
Nuclear physics, Physics, Emulsion, J-PARC, Strangeness
Published
2021

2. Status of J-PARC E07: Systematic study of double strangeness nuclei with hybrid emulsion method

Author

Myint Kyaw Soe, Hidetaka Kobayashi, Shunsuke Kanatsuki, Kazuyua Ito, Ryotaro Honda, Masaharu Ieiri, Koji Miwa, M. H. Kim, Shin Hyung Kim, Takeshi Koike, Michiko Sekimoto, Tomonari Hayakawa, Kenji Hosomi, Myeong Jae Lee, E. Umezaki, Yu Takahashi, Khin Than Tint, Mifuyu Ukai, Kazuya Kobayashi, Shuhei Hayakawa, Hiroyuki Ekawa, Yuji Ishikawa, Aye Moh Moh Theint, Zhi Zhang, R. Goto, R. Kiuchi, Hitoshi Sugimura, Koutarou Shiratori, Y. Nakada, Shoichi Hasegawa, Wonji Choi, Tomoya Takeda, Y. Sasaki, May Sweet, Manabu Moritsu, Donhai Zhang, Tianli Ma, Kiyoshi Tanida, T. Hashimoto, Josef Pochodzalla, Shota Matsumoto, Yoshinori Sato, Keizo Agari, Kenichi Imai, K. N. Suzuki, Masahiro Yoshimoto, Yuya Akazawa, Yuki Fujikawa, Tae Jin Moon, M. Ichikawa, Erina Hirose, Masaki Ohashi, H. Kanauchi, Jae-Yong Lee, Hiroki Ito, Toshiyuki Takahashi, Y. C. Han, Jung Keun Ahn, Young Jun Kim, A. N. L. Nyaw, T. Nanamura, Woo Seung Chung, K. Inaba, Kazuma Nakazawa, S. Ashikaga, Michifumi Minakawa, Sung Hyun Kim, Shinji Kinbara, Min Min Soe, S. H. Hwang, Y. Ogura, Manami Nakagawa, S. Ozawa, N. Fujioka, E. Hayata, Hirokazu Tamura, Yoko Endo, Hiroyuki Sako, B. Bassalleck, T. Akaishi, A. Kasagi, Toshihide Kawai, Takeshi Yamamoto, Kenichiro Oue, Seong Bae Yang, Jong Yoon Sohn, Yuichi Nagase, S. Y. Ryu, Yudai Ichikawa, Falk Schupp, K. Hicks, S. Hoshino, Sebastian Bleser, Y. Toyama, Jong Won Lee, Aung Thu Moe, Junya Yoshida, K. Hoshino, Ken Watanabe, Abzal Iskendir, M. Hirose, Megumi Naruki, Hitoshi Takahashi, Manami Fujita, D. Nakashima, Toyoki Watabe, Ami S. Koshikawa, C. S. Yoon, and Susumu Sato

Subjects
Physics, Nuclear physics, Beamline, Hadron, Emulsion, Nuclear emulsion, J-PARC, Strangeness, Hypernucleus, Beam (structure)
Abstract

J-PARC E07 is the most complex emulsion experiment to date investigating double hypernuclei with a hybrid emulsion method. This experiment aims to detect 104 Ξ− stop events, ten times more events than the past experiments. Thus, an unequivocal identification of several new double hypernuclei is expected. The beam exposure has been completed at the K1.8 beam line of the J-PARC hadron facility in June 2017. The photographic development of all emulsion sheets has also been completed in February 2018. The emulsion sheets are presently being analyzed with dedicated optical microscopes. Current statistics is comparable to that of E373 and so far 10 events of 3-vertices topology have been detected. A typical event of double Λ hypernucleus and a twin Λ hypernucleus are introduced. We plan to complete the main part of the emulsion scanning within a year.

Published
2019

3. Observation of a Be double-Lambda hypernucleus in the J-PARC E07 experiment

Author

D. H. Zhang, M. Hirose, Hitoshi Takahashi, Takeshi Koike, Shoichi Hasegawa, W. S. Jung, Megumi Naruki, R. Kiuchi, Yuki Fujikawa, M. Ichikawa, E. Umezaki, H. Kanauchi, S. Ashikaga, A. T. Moe, Jae-Yong Lee, Hiroki Ito, Kazuma Nakazawa, Yuji Ishikawa, T. L. Ma, Kiyoshi Tanida, Myint Kyaw Soe, Manami Fujita, S. H. Hwang, Y. Toyama, K. Inaba, Yoko Endo, Shin Hyung Kim, M. Minakawa, Mifuyu Ukai, Y. C. Han, Seongbae Yang, Tadayuki Takahashi, Yoshiro Takahashi, D. Nakashima, Ryotaro Honda, Takeshi O. Yamamoto, K. Oue, Y. Nagase, M. H. Kim, Toyoki Watabe, Khin Than Tint, Hiroyuki Sako, Shuhei Hayakawa, S. Y. Ryu, S. Y. Matsumoto, Shunsuke Kanatsuki, Hidetaka Kobayashi, Manami Nakagawa, T. Akaishi, C. S. Yoon, Masaharu Ieiri, Kotaro Shirotori, K. Ito, Takayoshi Kawai, Susumu Sato, A. Koshikawa, Yuya Akazawa, R. Goto, Z. Zhang, S. Kinbara, K. Watanabe, Y. Ogura, S. Ozawa, Aye Moh Moh Theint, Junya Yoshida, N. Fujioka, J. K. Ahn, A. Iskendir, S. Bleser, A. N. L. Nyaw, T. Nanamura, T. Hashimoto, K. Hoshino, J. Y. Sohn, Manabu Moritsu, Kenichi Imai, K. N. Suzuki, K. Hicks, S. Hoshino, T. Takeda, Y. Sasaki, J. W. Lee, Yudai Ichikawa, M. Ohashi, E. Hayata, Yoshihiro Sato, Hirokazu Tamura, M. M. Soe, Koji Miwa, B. Bassalleck, A. Kasagi, Kenji Hosomi, T. J. Moon, Hitoshi Sugimura, T. Hayakawa, Masahiro Yoshimoto, Hiroyuki Ekawa, Y. Nakada, K. Agari, Josef Pochodzalla, Erina Hirose, Kazuya Kobayashi, and F. Schupp

Subjects
Physics, Particle physics, 010308 nuclear & particles physics, Binding energy, Nuclear Theory, Hyperon, General Physics and Astronomy, FOS: Physical sciences, Hypernucleus, Lambda, 01 natural sciences, 0103 physical sciences, Production (computer science), ddc:530, J-PARC, Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment
Abstract

A double-$\Lambda$ hypernucleus, ${}_{\Lambda\Lambda}\mathrm{Be}$, was observed by the J-PARC E07 collaboration in nuclear emulsions tagged by the $(K^{-},K^{+})$ reaction. This event was interpreted as a production and decay of $ {}_{\Lambda\Lambda}^{\;10}\mathrm{Be}$, ${}_{\Lambda\Lambda}^{\;11}\mathrm{Be}$, or ${}_{\Lambda\Lambda}^{\;12}\mathrm{Be}^{*}$ via $\Xi^{-}$ capture in ${}^{16}\mathrm{O}$. By assuming the capture in the atomic 3D state, the binding energy of two $\Lambda$ hyperons$\,$($B_{\Lambda\Lambda}$) of these double-$\Lambda$ hypernuclei are obtained to be $15.05 \pm 0.11\,\mathrm{MeV}$, $19.07 \pm 0.11\,\mathrm{MeV}$, and $13.68 \pm 0.11\,\mathrm{MeV}$, respectively. Based on the kinematic fitting, ${}_{\Lambda\Lambda}^{\;11}\mathrm{Be}$ is the most likely explanation for the observed event., Comment: 11 pages, 3 figures

Published
2018
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