EPJ Web of Conferences (Jan 2024)
Measurement of KN scattering below the KN mass threshold
- Noumi Hiroyuki,
- Inoue Kentaro,
- Kawasaki Shingo,
- Aikawa Shuu,
- Ajimura Shuhei,
- Akaishi Takaya,
- Asano Hidemitsu,
- Beer George,
- Berucci Carolina,
- Bragadireau Mario,
- Buehler Paul Alois,
- Busso Luigi,
- Cargnelli Michael,
- Choi Seonho,
- Curceanu Catalina,
- Enomoto Shun,
- Fujioka Hiroyuki,
- Fujiwara Yuya,
- Fukuda Tomokazu,
- Guaraldo Carlo,
- Hashimoto Tadashi,
- Hayano Ryugo S.,
- Hiraiwa Toshihiko,
- Iio Masami,
- Iliescu Mihai,
- Ishiguro Yusuke,
- Ishimoto Shigeru,
- Ishikawa Takashi,
- Ithashi Kenta,
- Iwai Massaki,
- Iwasaki Masahiko,
- Kanno Koki,
- Kato Kazuma,
- kato Yuko,
- Kienle Paul,
- Komatsu Yusuke,
- Kou Hiroshi,
- Ma Yue,
- Marton Johann,
- Matsuda Yasuyuki,
- MIzoi Yutaka,
- Morra Ombretta,
- Murayama Rie,
- Nagae To-mofumi,
- Ohnishi Hiroaki,
- Okada Shinji,
- Omar Zhadyra,
- Outa Haruhiko,
- Piscicchia Kristian,
- Sada Yuta,
- Sakaguchi Atsushi,
- Sakuma Fuminori,
- Sato Masaharu,
- Scordo Alessadro,
- Sekimoto Michiko,
- Shi Hexi,
- Shirotori Kotaro,
- Sirghi Diana,
- Sirghi Florin,
- Suzuki Ken,
- Suzuki Shoji,
- Suzuki Takatoshi,
- Tanida Kiyoshi,
- Tatsuno Hideyuki,
- Tokiyasu Atsushi O.,
- Tokuda Makoto,
- Tomono Dai,
- Toyoda Akihisa,
- Tsukada Kyo,
- Vazquez-Doce Oton,
- Widmann Eberhard,
- Yamaga Takumi,
- Yamazaki Toshimitsu,
- Yim Heejoong,
- Zhang Qi,
- Zmeskal Johannes
Affiliations
- Noumi Hiroyuki
- Research Center for Nuclear Physics, Osaka University
- Inoue Kentaro
- Research Center for Nuclear Physics, Osaka University
- Kawasaki Shingo
- Research Center for Nuclear Physics, Osaka University
- Aikawa Shuu
- Department of Physics, Tokyo Institute of Technology
- Ajimura Shuhei
- Research Center for Nuclear Physics, Osaka University
- Akaishi Takaya
- Department of Physics, Osaka University
- Asano Hidemitsu
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Beer George
- Department of Physics and Astronomy, University of Victoria
- Berucci Carolina
- Stefan-Meyer-Institut für subatomare Physik
- Bragadireau Mario
- National Institute of Physics and Nuclear Engineering (IFIN-HH)
- Buehler Paul Alois
- Stefan-Meyer-Institut für subatomare Physik
- Busso Luigi
- INFN Sezione di Torino
- Cargnelli Michael
- Stefan-Meyer-Institut für subatomare Physik
- Choi Seonho
- Department of Physics, Seoul National University
- Curceanu Catalina
- Laboratori Nazionali di Frascati dell'INFN
- Enomoto Shun
- Accelerator Laboratory, High Energy Accelerator Research Organization (KEK)
- Fujioka Hiroyuki
- Department of Physics, Tokyo Institute of Technology
- Fujiwara Yuya
- Department of Physics, The University of Tokyo
- Fukuda Tomokazu
- Laboratory of Physics, Osaka Electro-Communication University
- Guaraldo Carlo
- Laboratori Nazionali di Frascati dell'INFN
- Hashimoto Tadashi
- ASRC, Japan Atomic Energy Agency (JAEA)
- Hayano Ryugo S.
- Department of Physics, The University of Tokyo
- Hiraiwa Toshihiko
- RIKEN SPring-8 Center, RIKEN
- Iio Masami
- Cryogenics Science Center, High Energy Accelerator Research Organization (KEK)
- Iliescu Mihai
- Laboratori Nazionali di Frascati dell'INFN
- Ishiguro Yusuke
- Department of Physics, Kyoto University
- Ishimoto Shigeru
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK)
- Ishikawa Takashi
- Department of Physics, The University of Tokyo
- Ithashi Kenta
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Iwai Massaki
- Mechanical Engineering Center, High Energy Accelerator Research Organization (KEK)
- Iwasaki Masahiko
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Kanno Koki
- Department of Physics, The University of Tokyo
- Kato Kazuma
- Laboratory of Physics, Osaka Electro-Communication University
- kato Yuko
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Kienle Paul
- Technische Universität München
- Komatsu Yusuke
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK)
- Kou Hiroshi
- Department of Physics, Tokyo Institute of Technology
- Ma Yue
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Marton Johann
- Stefan-Meyer-Institut für subatomare Physik
- Matsuda Yasuyuki
- Graduate School of Arts and Sciences, The Univeristy of Tokyo
- MIzoi Yutaka
- Laboratory of Physics, Osaka Electro-Communication University
- Morra Ombretta
- INFN Sezione di Torino
- Murayama Rie
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Nagae To-mofumi
- Laboratory of Physics, Osaka Electro-Communication University
- Ohnishi Hiroaki
- Research Center for Electron Photon Science (ELPH), Tohoku University
- Okada Shinji
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Omar Zhadyra
- Research Center for Nuclear Physics, Osaka University
- Outa Haruhiko
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Piscicchia Kristian
- Museo Storico della Fisica e Centro Studi e Ricerche “Enrico Fermi”
- Sada Yuta
- Research Center for Electron Photon Science (ELPH), Tohoku University
- Sakaguchi Atsushi
- Department of Physics, Osaka University
- Sakuma Fuminori
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Sato Masaharu
- Accelerator Laboratory, High Energy Accelerator Research Organization (KEK)
- Scordo Alessadro
- Laboratori Nazionali di Frascati dell'INFN
- Sekimoto Michiko
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK)
- Shi Hexi
- Laboratori Nazionali di Frascati dell'INFN
- Shirotori Kotaro
- Research Center for Nuclear Physics, Osaka University
- Sirghi Diana
- Laboratori Nazionali di Frascati dell'INFN
- Sirghi Florin
- Laboratori Nazionali di Frascati dell'INFN
- Suzuki Ken
- Stefan-Meyer-Institut für subatomare Physik
- Suzuki Shoji
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK)
- Suzuki Takatoshi
- Department of Physics, The University of Tokyo
- Tanida Kiyoshi
- ASRC, Japan Atomic Energy Agency (JAEA)
- Tatsuno Hideyuki
- Department of Chemical Physics, Lund University
- Tokiyasu Atsushi O.
- Research Center for Electron Photon Science (ELPH), Tohoku University
- Tokuda Makoto
- Department of Physics, Tokyo Institute of Technology
- Tomono Dai
- Research Center for Nuclear Physics, Osaka University
- Toyoda Akihisa
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK)
- Tsukada Kyo
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Vazquez-Doce Oton
- Laboratori Nazionali di Frascati dell'INFN
- Widmann Eberhard
- Stefan-Meyer-Institut für subatomare Physik
- Yamaga Takumi
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Yamazaki Toshimitsu
- Department of Physics, The University of Tokyo
- Yim Heejoong
- Korea Unstitute of Radiological and Medical Sciences (KIRAMS)
- Zhang Qi
- RIKEN Cluster for Pioneering Research (CPR), RIKEN
- Zmeskal Johannes
- Stefan-Meyer-Institut für subatomare Physik
- DOI
- https://doi.org/10.1051/epjconf/202429105011
- Journal volume & issue
-
Vol. 291
p. 05011
Abstract
Abstract. We measured πE invariant mass spectra below and above the K¯N mass threshold in the K−d → NπE reaction in order to study the K¯N interaction and the Λ(1405) resonance. This reaction can be described by the two-step process: (i) K¯N1 → K¯N followed by (ii) K¯N2 → πΣ, where N1 and N2 are nucleons bound in the deuteron. We deduced the S -wave scattering amplitude of K¯N →K¯N in the framework of the K¯N πΣ coupled channel so as to reproduce the observed πΣ spectra in the I = 0 channel. We found a resonance pole at 1417.7-7.4+6.0 (fitting error)-1.0+1.1 (systematic error) - i[26.9-7.9+6.0 (fitting error)-2.0+1.7 (systematic error)]MeV/c2.
