Exclusive quasi-free proton knockout from oxygen isotopes at intermediate energies

Shoichiro Kawase, Tomohiro Uesaka, Tsz Leung Tang, Didier Beaumel, Masanori Dozono, Taku Fukunaga, Toshihiko Fujii, Naoki Fukuda, Alfredo Galindo-Uribarri, Sanghoon Hwang, Naoto Inabe, Takahiro Kawabata, Tomomi Kawahara, Wooyoung Kim, Keiichi Kisamori, Motoki Kobayashi, Toshiyuki Kubo, Yuki Kubota, Kensuke Kusaka, Cheongsoo LeeYukie Maeda, Hiroaki Matsubara, Shin Michimasa, Hiroyuki Miya, Tetsuo Noro, Yuki Nozawa, Alexandre Obertelli, Kazuyuki Ogata, Shinsuke Ota, Elizabeth Padilla-Rodal, Satoshi Sakaguchi, Hideyuki Sakai, Masaki Sasano, Susumu Shimoura, Samvel Stepanyan, Hiroshi Suzuki, Tomokazu Suzuki, Motonobu Takaki, Hiroyuki Takeda, Atsushi Tamii, Hiroshi Tokieda, Tomotsugu Wakasa, Takashi Wakui, Kentaro Yako, Jumpei Yasuda, Yoshiyuki Yanagisawa, Rin Yokoyama, Kazuki Yoshida, Koichi Yoshida, Juzo Zenihiro

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Abstract

The dependence of the single-particle strength on the difference between proton and neutron separation energies is studied for oxygen isotopes in a wide range of isospins. The cross sections of the quasi-free (p, 2p) reaction on 14,16,18,22,24O were measured at intermediate energies. The measured cross sections are compared to predictions based on the distorted wave impulse approximation and shell-model psd valence-space spectroscopic factors. The reduction factors, which are the ratio of the experimental cross sections to the theoretical predictions, show no apparent dependence on the proton–neutron separation energy difference. The result is compatible with the result of the (e, ep) reaction on stable targets and with the predictions of recent ab initio calculations.

Original languageEnglish
Article numberpty011
JournalProgress of Theoretical and Experimental Physics
Volume2018
Issue number2
DOIs
Publication statusPublished - Feb 1 2018

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Kawase, S., Uesaka, T., Tang, T. L., Beaumel, D., Dozono, M., Fukunaga, T., Fujii, T., Fukuda, N., Galindo-Uribarri, A., Hwang, S., Inabe, N., Kawabata, T., Kawahara, T., Kim, W., Kisamori, K., Kobayashi, M., Kubo, T., Kubota, Y., Kusaka, K., ... Zenihiro, J. (2018). Exclusive quasi-free proton knockout from oxygen isotopes at intermediate energies. Progress of Theoretical and Experimental Physics, 2018(2), [pty011]. https://doi.org/10.1093/ptep/pty011