Proton elastic scattering from <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow></mrow><mrow><mn>7</mn></mrow></msup></mrow><mi mathvariant="normal">Be</mi></math></span> at low energies

G. V. Rogachev; J. J. Kolata; F. D. Becchetti; P. A. DeYoung; M. Hencheck; K. Helland; J. D. Hinnefeld; B. Hughey; P. L. Jolivette; L. M. Kiessel; H.-Y. Lee; M. Y. Lee; T. W. O’Donnell; G. F. Peaslee; D. Peterson; D. A. Roberts; P. Santi; S. A. Shaheen

doi:10.1103/PhysRevC.64.061601

Rapid Communication

Proton elastic scattering from $^{7} Be$ at low energies

G. V. Rogachev, J. J. Kolata, F. D. Becchetti, P. A. DeYoung, M. Hencheck, K. Helland, J. D. Hinnefeld, B. Hughey, P. L. Jolivette, L. M. Kiessel, H.-Y. Lee, M. Y. Lee, T. W. O’Donnell, G. F. Peaslee, D. Peterson, D. A. Roberts, P. Santi, and S. A. Shaheen

Phys. Rev. C 64, 061601(R) – Published 21 November 2001

Abstract

The elastic scattering of protons on $^{7} Be$ has been measured in the energy region from 1–3.3 MeV via the thick-target technique. The data conclusively demonstrate the existence of a $2^{-}$ state at an excitation energy of approximately 3.5 MeV in $^{8} B,$ and rule out a predicted $1^{+}$ state near 1.4 MeV. The relevance of these results for the $^{7} Be$ $(p, γ)$ reaction, of interest in solar neutrino physics, is discussed.

Received 26 January 2001

DOI:https://doi.org/10.1103/PhysRevC.64.061601

Authors & Affiliations

G. V. Rogachev¹, J. J. Kolata¹, F. D. Becchetti², P. A. DeYoung³, M. Hencheck⁴, K. Helland³, J. D. Hinnefeld⁵, B. Hughey³, P. L. Jolivette³, L. M. Kiessel³, H.-Y. Lee¹, M. Y. Lee², T. W. O’Donnell², G. F. Peaslee⁶, D. Peterson¹, D. A. Roberts², P. Santi¹, and S. A. Shaheen⁷

¹Physics Department, University of Notre Dame, Notre Dame, Indiana 46556-5670
²Physics Department, University of Michigan, Ann Arbor, Michigan 48109-1120
³Physics Department, Hope College, Holland, Michigan 49422-9000
⁴Physics Department, University of Wisconsin-Green Bay, Green Bay, Wisconsin 54311-7001
⁵Physics Department, Indiana University South Bend, South Bend, Indiana 46634-7111
⁶Chemistry Department, Hope College, Holland, Michigan 49422-9000
⁷Physics Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia

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Vol. 64, Iss. 6 — December 2001

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