Neutrino reactions on C12 by the quasiparticle random-phase approximation (QRPA)

Myung-Ki Cheoun, Eunja Ha, Su Youn Lee, K. S. Kim, W. Y. So, and Toshitaka Kajino
Phys. Rev. C 81, 028501 – Published 19 February 2010

Abstract

We applied the quasiparticle random-phase approximation to neutrino reactions on C12 target. The quasiparticle random-phase approximation (QRPA) has been found to successfully explain the nuclear β and ββ decays. To describe neutrino-nucleus reactions, various multipole transitions by weak interactions with finite momentum transfers are added to the Gamow Teller transition in the β decays. Our results are shown to well reproduce most of experimental data for neutrino reactions on C12 target. In particular, energy dependence of cross sections for the exclusive reaction, C12(νe,e)N12g.s.(1+), is discussed in detail by comparing the QRPA calculations to related experimental data.

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  • Received 2 November 2009

DOI:https://doi.org/10.1103/PhysRevC.81.028501

©2010 American Physical Society

Authors & Affiliations

Myung-Ki Cheoun1,4,*, Eunja Ha1, Su Youn Lee1, K. S. Kim2, W. Y. So3, and Toshitaka Kajino4,5

  • 1Department of Physics, Soongsil University, Seoul 156-743, Korea
  • 2School of Liberal Arts and Science, Korea Aerospace University, Koyang 412-791, Korea
  • 3Department of Radiological Science, Kangwon National University at Dogye, Samcheok 245-907, Korea
  • 4National Astronomical Observatory, Mitaka, Tokyo 181-8588, Japan
  • 5Department of Astronomy, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Tokyo 113-0033, Japan

  • *cheoun@ssu.ac.kr

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Vol. 81, Iss. 2 — February 2010

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