Observation of the He12,π+)15N reaction near threshold using recoil detection

W. Schott, W. Wagner, P. Kienle, R. Pollock, R. Bent, M. Fatyga, J. Kehayias, M. Green, and K. Rehm
Phys. Rev. C 34, 1406 – Published 1 October 1986
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Abstract

The pionic fusion reaction C12(3He, π+)15N has been observed at 181.4 MeV bombarding energy by detection of the N15 recoil ions using magnetic, time-of-flight, and energy loss analysis. The angle-integrated cross section for population of a broad group of unresolved N15 excited states in the 6.510.5 MeV excitation energy range is 1.3±0.3 nb. The angular distribution of the pions corresponding to this group of excited states is fairly isotropic, with perhaps some peaking in the forward direction. The cross section for population of the N15 ground state is ≤0.07 nb.

  • Received 14 May 1986

DOI:https://doi.org/10.1103/PhysRevC.34.1406

©1986 American Physical Society

Authors & Affiliations

W. Schott, W. Wagner, and P. Kienle

  • Physik Department der Technischen Universitat München, München, Federal Republic of Germany

R. Pollock, R. Bent, M. Fatyga, and J. Kehayias

  • Indiana University Cyclotron Facility, Bloomington, Indiana 47405

M. Green and K. Rehm

  • Argonne National Laboratory, Argonne, Illinois 60439

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Issue

Vol. 34, Iss. 4 — October 1986

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