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

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arxiv hep-ex/0209004 v1 pith:ANPBK4EV submitted 2002-09-03 hep-ex

classification hep-ex
keywords crossmesonproductionsectionsdifferentialmeasuredobservedreaction
verification ladder T0 review T1 audit T2 compute T3 formal
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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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