<p>The charge-changing cross sections <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\({\sigma }_\textrm{CC}\)</EquationSource> </InlineEquation> have emerged as a promising observable for deducing nuclear charge radii of unstable nuclei. In this study, we measured <InlineEquation ID="IEq2"> <EquationSource Format="TEX">\({\sigma }_\textrm{CC}\)</EquationSource> </InlineEquation> for neutron-rich nickel isotopes <InlineEquation ID="IEq3"> <EquationSource Format="TEX">\(^{58\text {--}77}\)</EquationSource> </InlineEquation>Ni at 250 MeV/u. The experimental results were analyzed by using a Glauber model including charged-particle evaporation effects, and the consistency between the measured <InlineEquation ID="IEq4"> <EquationSource Format="TEX">\(\sigma _\textrm{CC}\)</EquationSource> </InlineEquation> and existing charge radii was investigated. The results demonstrate that the present approach provides a reliable description of <InlineEquation ID="IEq5"> <EquationSource Format="TEX">\(\sigma _\textrm{CC}\)</EquationSource> </InlineEquation> systematics in the Ni isotopic chain. These findings support the applicability of <InlineEquation ID="IEq6"> <EquationSource Format="TEX">\(\sigma _\textrm{CC}\)</EquationSource> </InlineEquation> measurements as an alternative probe of charge radii, particularly for nuclei where direct measurements are not available.</p>

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Charge-changing cross sections of neutron-rich Ni isotopes for exploring charge radii

  • Miki Fukutome,
  • Masaomi Tanaka,
  • Mitsunori Fukuda,
  • Tomoya Naito,
  • Maya Takechi,
  • Daiki Nishimura,
  • Takeshi Suzuki,
  • Tetsuaki Moriguchi,
  • Deuk Soon Ahn,
  • Azamat Aimaganbetov,
  • Masamichi Amano,
  • Hiroki Arakawa,
  • Soumya Bagchi,
  • Karl-Heinz Behr,
  • Nassurlla Burtebayev,
  • Kazuya Chikaato,
  • Hang Du,
  • Tomoya Fujii,
  • Naoki Fukuda,
  • Hans Geissel,
  • Akira Honma,
  • Taichi Hori,
  • Suharu Hoshino,
  • Ryo Igosawa,
  • Ayaka Ikeda,
  • Naohito Inabe,
  • Kumi Inomata,
  • Kenta Itahashi,
  • Takuji Izumikawa,
  • Daiki Kamioka,
  • Naoto Kanda,
  • Ikuma Kato,
  • Inesh Kenzhina,
  • Zeren Korkulu,
  • Yesyenkyeld Kuk,
  • Kensuke Kusaka,
  • Mototsugu Mihara,
  • Eri Miyata,
  • Daisuke Nagae,
  • Shoken Nakamura,
  • Maulen Nassurlla,
  • Kunimitsu Nishimuro,
  • Kenji Nishizuka,
  • Shunichiro Ohmika,
  • Kosuke Ohnishi,
  • Masao Ohtake,
  • Takashi Ohtsubo,
  • Hooi Jin Ong,
  • Akira Ozawa,
  • Andrej Prochazka,
  • Hiroyoshi Sakurai,
  • Christoph Scheidenberger,
  • Yohei Shimizu,
  • Takanobu Sugihara,
  • Toshiyuki Sumikama,
  • Hiroshi Suzuki,
  • Sinji Suzuki,
  • Gen Takayama,
  • Hiroyuki Takeda,
  • Yutaro Tanaka,
  • Yoshiki K. Tanaka,
  • Isao Tanihata,
  • Tarho Wada,
  • Kiyoshi Wakayama,
  • Shoichi Yagi,
  • Takayuki Yamaguchi,
  • Rikuto Yanagihara,
  • Yoshiyuki Yanagisawa,
  • Koichi Yoshida,
  • Timur Zholdybayev

摘要

The charge-changing cross sections \({\sigma }_\textrm{CC}\) have emerged as a promising observable for deducing nuclear charge radii of unstable nuclei. In this study, we measured \({\sigma }_\textrm{CC}\) for neutron-rich nickel isotopes \(^{58\text {--}77}\) Ni at 250 MeV/u. The experimental results were analyzed by using a Glauber model including charged-particle evaporation effects, and the consistency between the measured \(\sigma _\textrm{CC}\) and existing charge radii was investigated. The results demonstrate that the present approach provides a reliable description of \(\sigma _\textrm{CC}\) systematics in the Ni isotopic chain. These findings support the applicability of \(\sigma _\textrm{CC}\) measurements as an alternative probe of charge radii, particularly for nuclei where direct measurements are not available.