Parity violation in neutron resonances of antimony and iodine

Y. Matsuda; J. D. Bowman; B. E. Crawford; P. P. J. Delheij; T. Haseyama; J. N. Knudsen; L. Y. Lowie; A. Masaike; Y. Masuda; G. E. Mitchell; S. I. Penttilä; H. Postma; N. R. Roberson; S. J. Seestrom; E. I. Sharapov; S. L. Stephenson; Y.-F. Yen; V. W. Yuan

doi:10.1103/PhysRevC.64.015501

Parity violation in neutron resonances of antimony and iodine

Y. Matsuda, J. D. Bowman, B. E. Crawford, P. P. J. Delheij, T. Haseyama, J. N. Knudsen, L. Y. Lowie, A. Masaike, Y. Masuda, G. E. Mitchell, S. I. Penttilä, H. Postma, N. R. Roberson, S. J. Seestrom, E. I. Sharapov, S. L. Stephenson, Y.-F. Yen, and V. W. Yuan

Phys. Rev. C 64, 015501 – Published 15 June 2001

Abstract

Parity violation in p-wave neutron resonances of $^{121} Sb,$ $^{123} Sb,$ and $^{127} I$ has been measured by transmission of a longitudinally polarized neutron beam through natural antimony and iodine targets. The measurements were performed at the pulsed spallation neutron source of the Los Alamos Neutron Science Center. Five statistically significant parity violation effects were observed in $^{121} Sb,$ one effect in $^{123} Sb,$ and seven effects in $^{127} I .$ The weak interaction rms matrix elements and the corresponding spreading widths were determined.

Received 26 March 2001

DOI:https://doi.org/10.1103/PhysRevC.64.015501

Authors & Affiliations

Y. Matsuda^1,*, J. D. Bowman², B. E. Crawford^3,†, P. P. J. Delheij⁴, T. Haseyama^1,‡, J. N. Knudsen², L. Y. Lowie^5,§, A. Masaike^1,∥, Y. Masuda⁶, G. E. Mitchell⁵, S. I. Penttilä², H. Postma⁷, N. R. Roberson³, S. J. Seestrom², E. I. Sharapov⁸, S. L. Stephenson^5,¶, Y.-F. Yen^2,**, and V. W. Yuan²

¹Physics Department, Kyoto University, Kyoto 606-01, Japan
²Los Alamos National Laboratory, Los Alamos, New Mexico 87545
³Duke University, Durham, North Carolina 27708Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708-0308
⁴TRIUMF, Vancouver, British Columbia, Canada V6T 2A3
⁵North Carolina State University, Raleigh, North Carolina 27695-8202Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708-0308
⁶National Laboratory of High Energy Physics, Tsukuba-shi 305, Japan
⁷Delft University of Technology, IRI, 2629 JB Delft, The Netherlands
⁸Joint Institute for Nuclear Research, RU-141980 Dubna, Russia

^*Present address: Institute of Physical and Chemical Research (RIKEN), Saitama 351-0198, Japan.
^†Present address: Dickinson College, Carlisle, PA 17013.
^‡Present address: Institute of Chemical Research, Kyoto University, Kyoto 611-0011, Japan.
^§Present address: McKinsey and Company, Atlanta, GA 30303.
^∥Present address: Fukui University of Technology, 3-6-1 Gakuen, Fukui-shi 910-8505, Japan.
^¶Present address: Gettysburgh College, Gettysburg, PA 17325.
^**Present address: Wake Forest University School of Medicine, Winston-Salem, NC 27157.

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Vol. 64, Iss. 1 — July 2001

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