Exclusive π+d→ηpp process

Humberto Garcilazo

doi:10.1103/PhysRevC.85.014002

Exclusive π⁺d→ηpp process

Humberto Garcilazo

Escuela Superior de Física y Matemáticas (ESFM)

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Abstract

We calculate the exclusive cross section of the process π⁺d→ηpp in the energy region T_π775 MeV in order to study the effect of the ηN→ηN final-state interaction in the region of the N(1535)S₁₁ resonance. Our model includes first- and second-order diagrams involving πN→πN, πN→ηN, ηN→ηN, and NN→NN interactions. The sensitivity of the cross section to different parametrizations of the less-known ηN final-state interaction is studied.

Original language	English
Article number	014002
Journal	Physical Review C
Volume	85
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.85.014002
State	Published - 24 Jan 2012

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10.1103/PhysRevC.85.014002

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abstract = "We calculate the exclusive cross section of the process π+d→ηpp in the energy region Tπ775 MeV in order to study the effect of the ηN→ηN final-state interaction in the region of the N(1535)S11 resonance. Our model includes first- and second-order diagrams involving πN→πN, πN→ηN, ηN→ηN, and NN→NN interactions. The sensitivity of the cross section to different parametrizations of the less-known ηN final-state interaction is studied.",

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AB - We calculate the exclusive cross section of the process π+d→ηpp in the energy region Tπ775 MeV in order to study the effect of the ηN→ηN final-state interaction in the region of the N(1535)S11 resonance. Our model includes first- and second-order diagrams involving πN→πN, πN→ηN, ηN→ηN, and NN→NN interactions. The sensitivity of the cross section to different parametrizations of the less-known ηN final-state interaction is studied.

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U2 - 10.1103/PhysRevC.85.014002

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Exclusive π⁺d→ηpp process

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