We have measured the differential cross section for the gamma(3)He ->pi(+)t reaction. This reaction was studied using the Continuous Electron Beam Accelerator Facility (CEBAF) Large Acceptance Spectrometer (CLAS) at Jefferson Lab. Real photons produced with the Hall-B bremsstrahlung tagging system in the energy range from 0.50 to 1.55 GeV were incident on a cryogenic liquid (3)He target. The differential cross sections for the gamma(3)He ->pi(+)t reaction were measured as a function of photon-beam energy and pion-scattering angle. Theoretical predictions to date cannot explain the large cross sections except at backward angles, showing that additional components must be added to the model.

Nasseripour, R., Berman, B., Adhikari, K., Adikaram, D., Anghinolfi, M., Ball, J., et al. (2011). Coherent photoproduction of pi(+) from (3)He. PHYSICAL REVIEW. C, NUCLEAR PHYSICS, 83(3), 034001-1-034001-11 [10.1103/PhysRevC.83.034001].

Coherent photoproduction of pi(+) from (3)He

D'ANGELO, ANNALISA;PISANO, SILVIA;
2011-03-03

Abstract

We have measured the differential cross section for the gamma(3)He ->pi(+)t reaction. This reaction was studied using the Continuous Electron Beam Accelerator Facility (CEBAF) Large Acceptance Spectrometer (CLAS) at Jefferson Lab. Real photons produced with the Hall-B bremsstrahlung tagging system in the energy range from 0.50 to 1.55 GeV were incident on a cryogenic liquid (3)He target. The differential cross sections for the gamma(3)He ->pi(+)t reaction were measured as a function of photon-beam energy and pion-scattering angle. Theoretical predictions to date cannot explain the large cross sections except at backward angles, showing that additional components must be added to the model.
3-mar-2011
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore FIS/04 - FISICA NUCLEARE E SUBNUCLEARE
English
Con Impact Factor ISI
PION-PHOTOPRODUCTION; CLAS; RESONANCE; THRESHOLD; REGION; SYSTEM; H-3
Clas Collaboration
http://link.aps.org/doi/10.1103/PhysRevC.83.034001
Nasseripour, R., Berman, B., Adhikari, K., Adikaram, D., Anghinolfi, M., Ball, J., et al. (2011). Coherent photoproduction of pi(+) from (3)He. PHYSICAL REVIEW. C, NUCLEAR PHYSICS, 83(3), 034001-1-034001-11 [10.1103/PhysRevC.83.034001].
Nasseripour, R; Berman, B; Adhikari, K; Adikaram, D; Anghinolfi, M; Ball, J; Battaglieri, M; Batourine, V; Bedlinskiy, I; Biselli, A; Branford, D; Bri...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/39547
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