Measurement of Gamow-Teller strength for <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow></mrow><mrow><mn>127</mn></mrow></msup></mrow><mi mathvariant="normal">I</mi></math></span> as a solar neutrino detector

M. Palarczyk; J. Rapaport; C. Hautala; D. L. Prout; C. D. Goodman; I. J. van Heerden; J. Sowinski; G. Savopulos; X. Yang; H. M. Sages; R. Howes; R. Carr; M. Islam; E. Sugarbaker; D. C. Cooper; K. Lande; B. Luther; T. N. Taddeucci

doi:10.1103/PhysRevC.59.500

Measurement of Gamow-Teller strength for $^{127} I$ as a solar neutrino detector

M. Palarczyk, J. Rapaport, C. Hautala, D. L. Prout, C. D. Goodman, I. J. van Heerden, J. Sowinski, G. Savopulos, X. Yang, H. M. Sages, R. Howes, R. Carr, M. Islam, E. Sugarbaker, D. C. Cooper, K. Lande, B. Luther, and T. N. Taddeucci

Phys. Rev. C 59, 500 – Published 1 January 1999

Abstract

Gamow-Teller transition strengths obtained in the $^{127} I {(p, n)}^{127} Xe$ reaction studied at 94, 159, and 197 MeV incident proton energies are presented, and used to evaluate the efficiency of $^{127} I$ as a solar neutrino detector. Excitation of the $J^{π} {= (3 / 2)}^{+}$ first excited state at $E_{x} = 0.125 MeV$ in $^{127} Xe,$ sensitive to $^{7} Be$ solar neutrinos, is evaluated. The sum of Gamow-Teller strength up to particle emission threshold and up to 20 MeV excitation energy are also reported. This paper also provides a new measurement of the Coulomb displacement energy $Δ E_{c},$ the excitation energy of the isobaric analog state, and the centroid of the Gamow-Teller resonance in $^{127} Xe .$

Received 28 April 1998

DOI:https://doi.org/10.1103/PhysRevC.59.500

Authors & Affiliations

M. Palarczyk^*, J. Rapaport, and C. Hautala

Ohio University, Athens, Ohio 45701

D. L. Prout

Department of Physics, Kent State University, Kent, Ohio 44242

C. D. Goodman, I. J. van Heerden^†, J. Sowinski, G. Savopulos, and X. Yang^‡

Indiana University Cyclotron Facility, Bloomington, Indiana 47405

H. M. Sages^§, R. Howes, R. Carr, and M. Islam

Ball State University, Muncie, Indiana 47306

E. Sugarbaker and D. C. Cooper^∥

The Ohio State University, Columbus, Ohio 43210

K. Lande

University of Pennsylvania, Philadelphia, Pennsylvania 19104

B. Luther

Concordia College, Moorhead, Minnesota 56562

T. N. Taddeucci

Los Alamos National Laboratory, Los Alamos, New Mexico 87545

^*Permanent address: Henryk Niewodniczański Institute of Nuclear Physics, 31-342 Kraków, Poland.
^†Permanent address: University of the Western Cape, Bellville, South Africa.
^‡Present address: Motorola Inc., Arlington Heights, IL 60004.
^§Present address: IIT Research Institute, Annapolis, MD 21401.
^∥Present address: MIT/Lincoln Laboratory, Lexington, MA 02173.

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Vol. 59, Iss. 1 — January 1999

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