Charged pion photoproduction from <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">B</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>10</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span>

D. Rowley; J. LeRose; K. Min; B. O. Sapp; P. Stoler; E. J. Winhold; P. F. Yergin; A. M. Bernstein; K. I. Blomqvist; H. S. Caplan; S. A. Dytman; G. Franklin; M. Pauli

doi:10.1103/PhysRevC.25.2652

Charged pion photoproduction from ${}^{10}B$

D. Rowley, J. LeRose, K. Min, B. O. Sapp, P. Stoler, E. J. Winhold, P. F. Yergin, A. M. Bernstein, K. I. Blomqvist, H. S. Caplan, S. A. Dytman, G. Franklin, and M. Pauli

Phys. Rev. C 25, 2652 – Published 1 May 1982

Abstract

Measurements were made of $\frac{d σ}{d Ω}$ [ $θ_{π} = 90 ° (lab)$ ] for ${}^{10}B$ ( $γ, π^{+}$ ) ${}^{10}{Be}$ (g.s.) at $T_{π} = 17, 29, and 42$ MeV, for ${}^{10}B$ ( $γ, π^{+}$ ) ${}^{10}{Be}$ ( $E_{x} = 3.37$ MeV) at $T_{π} = 29 and 42$ MeV, and for ${}^{10}B$ ( $γ, π^{-}$ ) ${}^{10}C$ (g.s.) at $T_{π} = 29$ MeV. The results disagree significantly with several recent distorted-wave impulse approximation calculations.

NUCLEAR REACTIONS ${}^{10}B$ ( $γ, π^{+}$ ) ${}^{10}{Be}$ ( $E_{x} = 0, 3.37$ MeV), ${}^{10}B (γ, π^{-}) {}^{10}C (E_{x} = 0)$ , $θ_{π} = 90 °$ (lab), $E_{π} = 17, 29, 42$ MeV, measured $\frac{d σ}{d Ω}$ , compared with DWIA calculations.

Received 26 October 1981

DOI:https://doi.org/10.1103/PhysRevC.25.2652

Authors & Affiliations

D. Rowley^*, J. LeRose^†, K. Min, B. O. Sapp, P. Stoler, E. J. Winhold, and P. F. Yergin

Department of Physics, Rensselaer Polytechnic Institute, Troy, New York 12181

A. M. Bernstein, K. I. Blomqvist, H. S. Caplan^‡, S. A. Dytman, G. Franklin^§, and M. Pauli^∥

Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

^*Present address: Lawrence Livermore National Laboratory, Livermore, California 94550.
^†Present address: Department of Physics, Louisiana State University, Baton Rouge, Louisiana 70803.
^‡On leave from University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
^§Present address: Department of Physics, Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213.
^∥Present address: General Research Corporation, 7655 Old Springhouse Rd., Westgate Research Park, McLean, Virginia 22102.

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Vol. 25, Iss. 5 — May 1982

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