Pionic fission cross sections on lithium

doi:10.1016/0375-9474(83)90210-5

Nuclear Physics A

Volume 402, Issue 3, 4 July 1983, Pages 397-410

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Abstract

New ^6,7Li(π⁺, ³He) ^3,4 He differential cross sections are combined with earlier data to study the reaction's energy dependence between threshold and T_π = 60 MeV. The cross sections for the ⁷Li(π⁺, ³He'³He)n and ⁷Li(π⁺, ³He³He)p reactions, in which the nucleon is nearly at rest, are also measured and found to have magnitudes similar to the ⁶Li(π⁺,³He)³He cross section. The ³He³H + p channel has a factor of 4(±2) higher yield than the ³He³He + n channel. The results are examined in terms of two different models for the reaction mechanism.

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^∗: Present address: University of New Mexico, Albuquerque, NM 87131, USA.

^∗∗: Present address: Brookhaven National Laboratory, Upton, NY 11973, USA.

^∗∗∗: Present address: University of Pittsburgh, Pittsburgh, PA 15620, USA.

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Nuclear Physics A

Pionic fission cross sections on lithium

Abstract

Phys. Rev. Lett.

Comm. Nucl. Part. Phys.

Phys. Rev.

Phys. Rev. Lett.

Phys. Lett.