Coulomb breakup reactions of 93,94 Zr in inverse kinematics

Abstract

Coulomb breakup reactions of 93,94 Zr have been studied in inverse kinematics at incident beam energies of about 200 MeV/nucleon in order to evaluate neutron capture reaction methods. The 93 Zr(n,γ) 94 Zr reaction is particularly important as a candidate nuclear transmutation reaction for the long-lived fission product 93 Zr in nuclear power plants. One- and two-neutron removal cross sections on Pb and C targets were measured to deduce the inclusive Coulomb breakup cross sections, 375 ± 29 (stat.) ± 30 (syst.) and 403 ± 26 (stat.) ± 31 (syst.) mb for 93 Zr and 94 Zr, respectively. The results are compared with estimates using the standard Lorentzian model and microscopic calculations. The results reveal a possible contribution of the pygmy dipole resonance or giant quadrupole resonance in the Coulomb breakup reactions of 94 Zr.

Metadata

Item Type:	Article
Authors/Creators:	Takeuchi, Satoshi Nakamura, Takashi Shikata, Mizuki Togano, Yasuhiro Kondo, Yosuke Tsubota, Junichi Ozaki, Tomoyuki Saito, Atsumi Otsu, Hideaki Wang, He Sakurai, Hiroyoshi Watanabe, Yukinobu Kawase, Shoichiro Ahn, Deuk Soon Aikawa, Masayuki Ando, Takashi Araki, Shohei Chen, Sidong (sc2950@york.ac.uk) Chiga, Nobuyuki Doornenbal, Pieter Ebata, Shuichiro Fukuda, Naoki Isobe, Tadaaki Kawakami, Shunsuke Kin, Tadahiro Koyama, Shunpei Kubono, Shigeru Maeda, Yukie Makinaga, Ayano Matsushita, Masafumi Matsuzaki, Teiichiro Michimasa, Shin'ichiro Momiyama, Satoru Nagamine, Shunsuke Nakano, Keita Niikura, Megumi Ogata, Kazuyuki Saito, Takeshi Shiga, Yoshiaki Shimizu, Yohei Shimoura, Susumu Sumikama, Toshiyuki Söderstrom, Pär Anders Suzuki, Hiroshi Takeda, Hiroyuki Taniuchi, Ryo https://orcid.org/0000-0002-8057-7074 Uesaka, Meiko Watanabe, Yasushi Wimmer, Kathrin Yamamoto, Tatsuya Yoshida, Koichi
Copyright, Publisher and Additional Information:	© The Author(s) 2019
Dates:	Published: 28 January 2019 Accepted: 24 November 2018
Institution:	The University of York
Academic Units:	The University of York > Faculty of Sciences (York) > Health Sciences (York) The University of York > Faculty of Sciences (York) > Physics (York)
Depositing User:	Pure (York)
Date Deposited:	22 Jul 2020 10:10
Last Modified:	18 Dec 2024 00:17
Published Version:	https://doi.org/10.1093/ptep/pty138
Status:	Published
Refereed:	Yes
Identification Number:	10.1093/ptep/pty138
Related URLs:	http://www.scopus.com/inward/record.url?...
Open Archives Initiative ID (OAI ID):	oai:eprints.whiterose.ac.uk:163617

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Description: Coulomb breakup reactions of 93,94Zr in inverse kinematics

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Coulomb breakup reactions of 93,94 Zr in inverse kinematics

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