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 Lee; Yukie 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

doi:10.1093/ptep/pty011

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

Neutrino Research

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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 ^{14,16,18,22,24}O 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 language	English
Article number	pty011
Journal	Progress of Theoretical and Experimental Physics
Volume	2018
Issue number	2
DOIs	https://doi.org/10.1093/ptep/pty011
State	Published - Feb 1 2018

Funding

We are grateful to the accelerator staff of the RIKEN Nishina Center for providing a high-intensity radioactive beam at RIBF. The authors also thank the RCNP staff for a high-quality proton beam. One of the authors (S.K.) acknowledges the financial support by a Grant-in-Aid for Japan Society for the Promotion of Science (JSPS) Research Fellow (No. 23-6202).

Funders	Funder number
Japan Society for the Promotion of Science	15J01392, 16K05380, 16K05352, 23-6202
RIKEN

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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), Article pty011. https://doi.org/10.1093/ptep/pty011

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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 result of the (e, ep) reaction on stable targets and with the predictions of recent ab initio calculations.",

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

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Kawase, S, Uesaka, T, Tang, TL, 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, Lee, C, Maeda, Y, Matsubara, H, Michimasa, S, Miya, H, Noro, T, Nozawa, Y, Obertelli, A, Ogata, K, Ota, S, Padilla-Rodal, E, Sakaguchi, S, Sakai, H, Sasano, M, Shimoura, S, Stepanyan, S, Suzuki, H, Suzuki, T, Takaki, M, Takeda, H, Tamii, A, Tokieda, H, Wakasa, T, Wakui, T, Yako, K, Yasuda, J, Yanagisawa, Y, Yokoyama, R, Yoshida, K, Yoshida, K & Zenihiro, J 2018, 'Exclusive quasi-free proton knockout from oxygen isotopes at intermediate energies', Progress of Theoretical and Experimental Physics, vol. 2018, no. 2, pty011. https://doi.org/10.1093/ptep/pty011

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T1 - Exclusive quasi-free proton knockout from oxygen isotopes at intermediate energies

AU - Kawase, Shoichiro

AU - Uesaka, Tomohiro

AU - Tang, Tsz Leung

AU - Beaumel, Didier

AU - Dozono, Masanori

AU - Fukunaga, Taku

AU - Fujii, Toshihiko

AU - Fukuda, Naoki

AU - Galindo-Uribarri, Alfredo

AU - Hwang, Sanghoon

AU - Inabe, Naoto

AU - Kawabata, Takahiro

AU - Kawahara, Tomomi

AU - Kim, Wooyoung

AU - Kisamori, Keiichi

AU - Kobayashi, Motoki

AU - Kubo, Toshiyuki

AU - Kubota, Yuki

AU - Kusaka, Kensuke

AU - Lee, Cheongsoo

AU - Maeda, Yukie

AU - Matsubara, Hiroaki

AU - Michimasa, Shin

AU - Miya, Hiroyuki

AU - Noro, Tetsuo

AU - Nozawa, Yuki

AU - Obertelli, Alexandre

AU - Ogata, Kazuyuki

AU - Ota, Shinsuke

AU - Padilla-Rodal, Elizabeth

AU - Sakaguchi, Satoshi

AU - Sakai, Hideyuki

AU - Sasano, Masaki

AU - Shimoura, Susumu

AU - Stepanyan, Samvel

AU - Suzuki, Hiroshi

AU - Suzuki, Tomokazu

AU - Takaki, Motonobu

AU - Takeda, Hiroyuki

AU - Tamii, Atsushi

AU - Tokieda, Hiroshi

AU - Wakasa, Tomotsugu

AU - Wakui, Takashi

AU - Yako, Kentaro

AU - Yasuda, Jumpei

AU - Yanagisawa, Yoshiyuki

AU - Yokoyama, Rin

AU - Yoshida, Kazuki

AU - Yoshida, Koichi

AU - Zenihiro, Juzo

PY - 2018/2/1

Y1 - 2018/2/1

N2 - 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.

AB - 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.

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U2 - 10.1093/ptep/pty011

DO - 10.1093/ptep/pty011

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SN - 2050-3911

VL - 2018

JO - Progress of Theoretical and Experimental Physics

JF - Progress of Theoretical and Experimental Physics

IS - 2

M1 - pty011

ER -

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

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