Rho(0) meson production in the pp-->pppi(+)pi(-) reaction at 3.67 GeV/c

F Balestra; Y Bedfer; R Bertini; L C Bland; A Brenschede; F Brochard; M P Bussa; Seonho Choi; M L Colantoni; R Dressler; M Dzemidzic; J-Cl Faivre; A Ferrero; L Ferrero; J Foryciarz; I Fröhlich; V Frolov; R Garfagnini; A Grasso; S Heinz; W W Jacobs; W Kühn; A Maggiora; M Maggiora; A Manara; D Panzieri; H-W Pfaff; G Piragino; A Popov; J Ritman; P Salabura; V Tchalyshev; F Tosello; S E Vigdor; G Zosi; DISTO Collaboration

doi:10.1103/PhysRevLett.89.092001

Rho(0) meson production in the pp-->pppi(+)pi(-) reaction at 3.67 GeV/c

Phys Rev Lett. 2002 Aug 26;89(9):092001. doi: 10.1103/PhysRevLett.89.092001. Epub 2002 Aug 12.

Affiliation

¹ Dipartimento di Fisica A. Avogadro and INFN, Torino I-10125, Italy.

PMID: 12190389
DOI: 10.1103/PhysRevLett.89.092001

Abstract

Total and differential cross sections for the exclusive reaction pp-->pp rho observed via the pi(+)pi(-) decay channel have been measured at p(beam)=3.67 GeV/c. The observed total meson production cross section is determined to be (23.4+/-0.8+/-8) mu b and is significantly lower than typical cross sections used in model calculations for heavy-ion collisions. The differential cross sections measured indicate a strong anisotropy (approximately cos(theta(CM)(rho)) in the rho(0) meson production.