Elastic scattering of pions from the three-nucleon system

Journal Article · Mon Mar 01 04:00:00 EST 1999 · Physical Review, C

DOI:https://doi.org/10.1103/PhysRevC.59.1290· OSTI ID:321999

Collier, S L; Gibbs, W R ^[1]

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1. Department of Physics, New Mexico State University, Las Cruces, New Mexico 88003 (United States)

We examine the scattering of charged pions from the trinucleon system at a pion energy of 180 MeV. The motivation for this study is the structure seen in the experimental angular distribution of back-angle scattering for {pi}{sup +}-{sup 3}He and {pi}{sup {minus}}-{sup 3}H but for neither {pi}{sup {minus}}-{sup 3}He nor {pi}{sup +}-{sup 3}H. We consider the addition of a double spin flip term to an optical model treatment and find that, though the contribution of this term is non-negligible at large angles for {pi}{sup +}-{sup 3}He and {pi}{sup {minus}}-{sup 3}H, it does not reproduce the structure seen in the experiment. {copyright} {ital 1999} {ital The American Physical Society}

• OSTI ID: 321999
• Journal Information: Physical Review, C, Journal Name: Physical Review, C Journal Issue: 3 Vol. 59; ISSN 0556-2813; ISSN PRVCAN
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
ELASTIC SCATTERING
HELIUM 3
OPTICAL MODELS
PION REACTIONS
PIONS MINUS
PIONS PLUS
TRITONS