Two Pion Production in Photon Induced Reactions

Abstract

Differences in the photoproduction of mesons on the free proton and on nuclei are expected to reveal changes in the properties of hadrons. Inclusive studies of nuclear photoabsorption have provided evidence of medium modifications. However, the results have not been explained in a model independent way. A deeper understanding of the situation is anticipated from a detailed experimental study of meson photoproduction from nuclei in exclusive reactions. In the energy regime above the Delta(1232) resonance, the dominant double pion production channels are of particular interest. Double pion photoproduction from nuclei is also used to investigate the in-medium modification of meson-meson interactions.

Proceedings of the Workshop on Hadron Physics, Puri, India, 2005

References in corpus (6)

• First observation of in-medium modifications of the omega meson
• Study of Non-Strange Baryon Resonances with Meson Photoproduction
• rho^0 Production and Possible Modification in Au+Au and p+p Collisions at sqrt(s_NN) = 200 GeV
• In-medium properties of the D13(1520) nucleon resonance
• Low-energy pi pi photoproduction off nuclei
• Surface and volume effects in the photoabsorption of nuclei

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• Experimental evidence of production of directional muons from a laser-wakefield accelerator