Coulomb breakup reactions of 93,94 Zr in inverse kinematics

Satoshi Takeuchi, Takashi Nakamura, Mizuki Shikata, Yasuhiro Togano, Yosuke Kondo, Junichi Tsubota, Tomoyuki Ozaki, Atsumi Saito, Hideaki Otsu, He Wang, Hiroyoshi Sakurai, Yukinobu Watanabe, Shoichiro Kawase, Deuk Soon Ahn, Masayuki Aikawa, Takashi Ando, Shohei Araki, Sidong Chen, Nobuyuki Chiga, Pieter DoornenbalShuichiro Ebata, Naoki Fukuda, Tadaaki Isobe, Shunsuke Kawakami, Tadahiro Kin, Shunpei Koyama, Shigeru Kubono, Yukie Maeda, Ayano Makinaga, Masafumi Matsushita, Teiichiro Matsuzaki, Shin'ichiro Michimasa, Satoru Momiyama, Shunsuke Nagamine, Keita Nakano, Megumi Niikura, Kazuyuki Ogata, Takeshi Saito, Yoshiaki Shiga, Yohei Shimizu, Susumu Shimoura, Toshiyuki Sumikama, Pär Anders Söderstrom, Hiroshi Suzuki, Hiroyuki Takeda, Ryo Taniuchi, Meiko Uesaka, Yasushi Watanabe, Kathrin Wimmer, Tatsuya Yamamoto, Koichi Yoshida

Research output: Contribution to journalArticle

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.

Original languageEnglish
Article number013D02
JournalProgress of Theoretical and Experimental Physics
Volume2019
Issue number1
DOIs
Publication statusPublished - 2019

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Takeuchi, S., Nakamura, T., Shikata, M., Togano, Y., Kondo, Y., Tsubota, J., Ozaki, T., Saito, A., Otsu, H., Wang, H., Sakurai, H., Watanabe, Y., Kawase, S., Ahn, D. S., Aikawa, M., Ando, T., Araki, S., Chen, S., Chiga, N., ... Yoshida, K. (2019). Coulomb breakup reactions of 93,94 Zr in inverse kinematics Progress of Theoretical and Experimental Physics, 2019(1), [013D02]. https://doi.org/10.1093/ptep/pty138