Measurement of the Differential Cross Section for the Reaction gamma n -> pi(-)p from Deuterium
Abstract
We report a measurement of the differential cross section for the ?n?p-p process from the CLAS detector at Jefferson Laboratory in Hall B for photon energies between 1.0 and 3.5GeV and pion center-of-mass (c.m.) angles (?c.m.) between 50°and 115°. We confirm a previous indication of a broad enhancement around a c.m. energy (s) of 2.1GeV at ?c.m.=90°in the scaled differential cross section s7dsdt and a rapid falloff in a center-of-mass energy region of about 400MeV following the enhancement. Our data show an angular dependence of this enhancement as the suggested scaling region is approached for ?c.m. from 70°to 105°. © 2009 The American Physical Society.
Más información
Título según WOS: | Measurement of the Differential Cross Section for the Reaction gamma n -> pi(-)p from Deuterium |
Título según SCOPUS: | Measurement of the differential cross section for the reaction ?n??-p from deuterium |
Título de la Revista: | PHYSICAL REVIEW LETTERS |
Volumen: | 103 |
Número: | 1 |
Editorial: | AMER PHYSICAL SOC |
Fecha de publicación: | 2009 |
Idioma: | English |
URL: | http://link.aps.org/doi/10.1103/PhysRevLett.103.012301 |
DOI: |
10.1103/PhysRevLett.103.012301 |
Notas: | ISI, SCOPUS |