Study of the reaction <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi>ν</mi></mrow><mrow><mi>μ</mi></mrow></msub></mrow><mi>d</mi><mo>→</mo><mrow><msup><mrow><mi>μ</mi></mrow><mrow><mo>−</mo></mrow></msup></mrow><mi>p</mi><mrow><msub><mrow><mi>p</mi></mrow><mrow><mi>s</mi></mrow></msub></mrow></math></span>

K. L. Miller; S. J. Barish; A. Engler; R. W. Kraemer; B. J. Stacey; M. Derrick; E. Fernandez; L. Hyman; G. Levman; D. Koetke; B. Musgrave; P. Schreiner; R. Singer; A. Snyder; S. Toaff; D. D. Carmony; G. M. Radecky; V. E. Barnes; A. F. Garfinkel; R. Ammar; D. Coppage; D. Day; R. Davis; N. Kwak; R. Stump

doi:10.1103/PhysRevD.26.537

Study of the reaction $ν_{μ} d \to μ^{-} p p_{s}$

K. L. Miller, S. J. Barish, A. Engler, R. W. Kraemer, B. J. Stacey, M. Derrick, E. Fernandez, L. Hyman, G. Levman, D. Koetke, B. Musgrave, P. Schreiner, R. Singer, A. Snyder, S. Toaff, D. D. Carmony, G. M. Radecky, V. E. Barnes, A. F. Garfinkel, R. Ammar, D. Coppage, D. Day, R. Davis, N. Kwak, and R. Stump

Phys. Rev. D 26, 537 – Published 1 August 1982

Abstract

This paper reports a determination of the axial-vector form factor of the nucleon using the momentum-transfer distribution for 1737 events of the type $ν_{μ} d \to μ^{-} p p_{s}$ . The events were obtained from a 2.4× $10^{6}$ -frame exposure of the Argonne 12-foot bubble chamber to a neutrino beam at the Argonne Zero Gradient Synchrotron. After fitting and applying selection criteria, the background was estimated to be at the 2% level. The axial-vector mass in the dipole parametrization was measured to be $M_{A} = 1.00 \pm 0.05$ GeV/ $c^{2}$ , in good agreement both with earlier measurements from this experiment and with other recent results. A test of the conserved-vector-current hypothesis, made by simultaneously fitting $M_{A}$ and $M_{V}$ using dipole form factors, gave $M_{A} = 0.80 \pm 0.10$ GeV/ $c^{2}$ and $M_{V} = 0.96 \pm 0.04$ GeV/ $c^{2}$ .

Received 25 January 1982

DOI:https://doi.org/10.1103/PhysRevD.26.537

Authors & Affiliations

K. L. Miller^*, S. J. Barish^†, A. Engler, R. W. Kraemer, and B. J. Stacey^‡

Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213

M. Derrick, E. Fernandez, L. Hyman, G. Levman^§, D. Koetke^∥, B. Musgrave, P. Schreiner^¶, R. Singer^¶, A. Snyder^**, and S. Toaff^††

Argonne National Laboratory, Argonne, Illinois 60439

D. D. Carmony, G. M. Radecky^‡‡, V. E. Barnes, and A. F. Garfinkel

Purdue University, W. Lafayette, Indiana 47907

R. Ammar, D. Coppage, D. Day, R. Davis, N. Kwak, and R. Stump

University of Kansas, Lawrence, Kansas 66045

^*Present address: Gulf Science and Technology Company, Harmarville, PA 15024.
^†Present address: U. S. Department of Energy, Washington, D.C. 20545.
^‡Present address: Department of Physics, University of Toronto, Ontario, M5S 1A7, Canada.
^§Present address: Louisiana State University, Baton Rouge, LA 70803.
^∥Permanent address: Valparaiso University, Valparaiso, IN 46383.
^¶Present address: Bell Telephone Laboratories, Naperville, IL 60540.
^**Present address: Rutgers University, New Brunswick, NJ 80903.
^††Permanent address: Technion, Haifa, Israel.
^‡‡Present address: Center for Naval Analyses, Alexandria, VA 22311.

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Vol. 26, Iss. 3 — 1 August 1982

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Physical Review D

covering particles, fields, gravitation, and cosmology