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arXiv · hep-ex/0209004

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. Colanton·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
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Abstract

Total and differential cross sections for the exclusive reaction pp->pp rho^0 observed via the pi+pi- decay channel have been measured at beam momentum=3.67 GeV/c. The observed total meson production cross section is determined to be 23.4 +- 0.8 +-8 microb 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 cos^2(theta^{CM}) in the rho^0 meson production.

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F. Balestra, Y. Bedfer, R. Bertini, L. C. Bland, A. Brenschede, F. Brochard, M. P. Bussa, Seonho Choi, M. L. Colanton, 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. 2002-09-03. Rho^0 meson production in the pp ->pppi+pi- reaction at 3.67 GeV/c. https://doi.org/10.1103/physrevlett.89.092001

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