Neutron-Proton Asymmetry Dependence of Spectroscopic Factors in Ar Isotopes

Jenny Lee (李曉菁), M. B. Tsang (曾敏兒), D. Bazin, D. Coupland, V. Henzl, D. Henzlova, M. Kilburn, W. G. Lynch (連致標), A. M. Rogers, A. Sanetullaev, A. Signoracci, Z. Y. Sun (孙志宇), M. Youngs, K. Y. Chae, R. J. Charity, H. K. Cheung (張凱傑), M. Famiano, S. Hudan, P. O’Malley, W. A. Peters, K. Schmitt, D. Shapira, and L. G. Sobotka

Phys. Rev. Lett. 104, 112701 – Published 17 March 2010

Abstract

Spectroscopic factors have been extracted for proton-rich ${}^{34}{Ar}$ and neutron-rich ${}^{46}{Ar}$ using the ( $p$ , $d$ ) neutron transfer reaction. The experimental results show little reduction of the ground state neutron spectroscopic factor of the proton-rich nucleus ${}^{34}{Ar}$ compared to that of ${}^{46}{Ar}$ . The results suggest that correlations, which generally reduce such spectroscopic factors, do not depend strongly on the neutron-proton asymmetry of the nucleus in this isotopic region as was reported in knockout reactions. The present results are consistent with results from systematic studies of transfer reactions but inconsistent with the trends observed in knockout reaction measurements.

Received 2 November 2009

DOI:https://doi.org/10.1103/PhysRevLett.104.112701

Authors & Affiliations

Jenny Lee (李曉菁)¹, M. B. Tsang (曾敏兒)¹, D. Bazin¹, D. Coupland¹, V. Henzl¹, D. Henzlova¹, M. Kilburn¹, W. G. Lynch (連致標)¹, A. M. Rogers¹, A. Sanetullaev¹, A. Signoracci¹, Z. Y. Sun (孙志宇)^1,2, M. Youngs¹, K. Y. Chae³, R. J. Charity⁴, H. K. Cheung (張凱傑)⁵, M. Famiano⁶, S. Hudan⁷, P. O’Malley⁸, W. A. Peters⁸, K. Schmitt³, D. Shapira⁹, and L. G. Sobotka⁴

¹NSCL and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
²Institute of Modern Physics, CAS, Lanzhou 730000, People’s Republic of China
³Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
⁴Department of Chemistry, Washington University, St. Louis, Missouri 63130, USA
⁵Physics Department, Chinese University of Hong Kong, Shatin, Hong Kong, China
⁶Department of Physics, Western Michigan University, Kalamazoo, Michigan 49008, USA
⁷Department of Chemistry, Indiana University, Bloomington, Indiana 47405, USA
⁸Department of Physics and Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA
⁹Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA

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Vol. 104, Iss. 11 — 19 March 2010

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