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

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 results of the (e,e'p) reaction on stable targets and with the predicitons of recent ab initio calculations.

Authors:
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  1. Univ. of Tokyo (Japan)
  2. RIKEN Nishina Center for Accelerator-based Science, Wako, Saitama (Japan)
  3. Institut de Physique Nucléaire d’Orsay (France)
  4. Kyushu University, Fukuoka (Japan)
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  6. Kyungpook National University, Daegu (Korea)
  7. Kyoto University (Japan)
  8. Toho University, Funabashi, Chiba (Japan)
  9. University of Miyazaki (Japan)
  10. Kyoto Univ. (Japan)
  11. Université Paris-Saclay, Gif-sur-Yvette (France)
  12. Osaka University, Ibaraki (Japan)
  13. Universidad Nacional Autónoma de México (Mexico)
  14. RIKEN Nishina Center for Accelerator-based Science, Wako, Saitama (Japan); Kyushu Univ. (Japan)
  15. Tohoku University, Sendai, Miyagi (Japan)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1489573
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Progress of Theoretical and Experimental Physics
Additional Journal Information:
Journal Volume: 2018; Journal Issue: 2; Journal ID: ISSN 2050-3911
Publisher:
Physical Society of Japan
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; D13 Stable and unstable nuclei; D27 Reactions induced by unstable nuclei

Citation Formats

Kawase, Shoichiro, Uesaka, Tomohiro, Tang, Tsz Leung, Beaumel, Didier, Dozono, Masanori, Fukunaga, Taku, Fujii, Toshihiko, Fukuda, Naoki, Galindo-Uribarri, Alfredo, Hwang, Sanghoon, Inabe, Naoto, Kawabata, Takahiro, Kawahara, Tomomi, Kim, Wooyoung, Kisamori, Keiichi, Kobayashi, Motoki, Kubo, Toshiyuki, Kubota, Yuki, Kusaka, Kensuke, Lee, Cheongsoo, Maeda, Yukie, Matsubara, Hiroaki, Michimasa, Shin’ichiro, Miya, Hiroyuki, Noro, Tetsuo, Nozawa, Yuki, Obertelli, Alexandre, Ogata, Kazuyuki, Ota, Shinsuke, Padilla-Rodal, Elizabeth, Sakaguchi, Satoshi, Sakai, Hideyuki, Sasano, Masaki, Shimoura, Susumu, Stepanyan, Samvel, Suzuki, Hiroshi, Suzuki, Tomokazu, Takaki, Motonobu, Takeda, Hiroyuki, Tamii, Atsushi, Tokieda, Hiroshi, Wakasa, Tomotsugu, Wakui, Takashi, Yako, Kentaro, Yasuda, Jumpei, Yanagisawa, Yoshiyuki, Yokoyama, Rin, Yoshida, Kazuki, Yoshida, Koichi, and Zenihiro, Juzo. Exclusive quasi-free proton knockout from oxygen isotopes at intermediate energies. United States: N. p., 2018. Web. doi:10.1093/ptep/pty011.
Kawase, Shoichiro, Uesaka, Tomohiro, Tang, Tsz Leung, Beaumel, Didier, Dozono, Masanori, Fukunaga, Taku, Fujii, Toshihiko, Fukuda, Naoki, Galindo-Uribarri, Alfredo, Hwang, Sanghoon, Inabe, Naoto, Kawabata, Takahiro, Kawahara, Tomomi, Kim, Wooyoung, Kisamori, Keiichi, Kobayashi, Motoki, Kubo, Toshiyuki, Kubota, Yuki, Kusaka, Kensuke, Lee, Cheongsoo, Maeda, Yukie, Matsubara, Hiroaki, Michimasa, Shin’ichiro, Miya, Hiroyuki, Noro, Tetsuo, Nozawa, Yuki, Obertelli, Alexandre, Ogata, Kazuyuki, Ota, Shinsuke, Padilla-Rodal, Elizabeth, Sakaguchi, Satoshi, Sakai, Hideyuki, Sasano, Masaki, Shimoura, Susumu, Stepanyan, Samvel, Suzuki, Hiroshi, Suzuki, Tomokazu, Takaki, Motonobu, Takeda, Hiroyuki, Tamii, Atsushi, Tokieda, Hiroshi, Wakasa, Tomotsugu, Wakui, Takashi, Yako, Kentaro, Yasuda, Jumpei, Yanagisawa, Yoshiyuki, Yokoyama, Rin, Yoshida, Kazuki, Yoshida, Koichi, & Zenihiro, Juzo. Exclusive quasi-free proton knockout from oxygen isotopes at intermediate energies. United States. doi:10.1093/ptep/pty011.
Kawase, Shoichiro, Uesaka, Tomohiro, Tang, Tsz Leung, Beaumel, Didier, Dozono, Masanori, Fukunaga, Taku, Fujii, Toshihiko, Fukuda, Naoki, Galindo-Uribarri, Alfredo, Hwang, Sanghoon, Inabe, Naoto, Kawabata, Takahiro, Kawahara, Tomomi, Kim, Wooyoung, Kisamori, Keiichi, Kobayashi, Motoki, Kubo, Toshiyuki, Kubota, Yuki, Kusaka, Kensuke, Lee, Cheongsoo, Maeda, Yukie, Matsubara, Hiroaki, Michimasa, Shin’ichiro, Miya, Hiroyuki, Noro, Tetsuo, Nozawa, Yuki, Obertelli, Alexandre, Ogata, Kazuyuki, Ota, Shinsuke, Padilla-Rodal, Elizabeth, Sakaguchi, Satoshi, Sakai, Hideyuki, Sasano, Masaki, Shimoura, Susumu, Stepanyan, Samvel, Suzuki, Hiroshi, Suzuki, Tomokazu, Takaki, Motonobu, Takeda, Hiroyuki, Tamii, Atsushi, Tokieda, Hiroshi, Wakasa, Tomotsugu, Wakui, Takashi, Yako, Kentaro, Yasuda, Jumpei, Yanagisawa, Yoshiyuki, Yokoyama, Rin, Yoshida, Kazuki, Yoshida, Koichi, and Zenihiro, Juzo. Wed . "Exclusive quasi-free proton knockout from oxygen isotopes at intermediate energies". United States. doi:10.1093/ptep/pty011. https://www.osti.gov/servlets/purl/1489573.
@article{osti_1489573,
title = {Exclusive quasi-free proton knockout from oxygen isotopes at intermediate energies},
author = {Kawase, Shoichiro and Uesaka, Tomohiro and Tang, Tsz Leung and Beaumel, Didier and Dozono, Masanori and Fukunaga, Taku and Fujii, Toshihiko and Fukuda, Naoki and Galindo-Uribarri, Alfredo and Hwang, Sanghoon and Inabe, Naoto and Kawabata, Takahiro and Kawahara, Tomomi and Kim, Wooyoung and Kisamori, Keiichi and Kobayashi, Motoki and Kubo, Toshiyuki and Kubota, Yuki and Kusaka, Kensuke and Lee, Cheongsoo and Maeda, Yukie and Matsubara, Hiroaki and Michimasa, Shin’ichiro and Miya, Hiroyuki and Noro, Tetsuo and Nozawa, Yuki and Obertelli, Alexandre and Ogata, Kazuyuki and Ota, Shinsuke and Padilla-Rodal, Elizabeth and Sakaguchi, Satoshi and Sakai, Hideyuki and Sasano, Masaki and Shimoura, Susumu and Stepanyan, Samvel and Suzuki, Hiroshi and Suzuki, Tomokazu and Takaki, Motonobu and Takeda, Hiroyuki and Tamii, Atsushi and Tokieda, Hiroshi and Wakasa, Tomotsugu and Wakui, Takashi and Yako, Kentaro and Yasuda, Jumpei and Yanagisawa, Yoshiyuki and Yokoyama, Rin and Yoshida, Kazuki and Yoshida, Koichi and Zenihiro, Juzo},
abstractNote = {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 results of the (e,e'p) reaction on stable targets and with the predicitons of recent ab initio calculations.},
doi = {10.1093/ptep/pty011},
journal = {Progress of Theoretical and Experimental Physics},
number = 2,
volume = 2018,
place = {United States},
year = {2018},
month = {2}
}

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Figures / Tables:

Fig. 1 Fig. 1: Schematics of the experimental setup in the target area.

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    Works referencing / citing this record:

    How Robust is the N = 34 Subshell Closure? First Spectroscopy of Ar 52
    journal, February 2019


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