Progress and Opportunities in Backward angle (u-channel) Physics - Archive ouverte HAL
Article Dans Une Revue European Journal of Physics Année : 2021

Progress and Opportunities in Backward angle (u-channel) Physics

Résumé

Backward angle (u-channel) scattering provides complementary information for studies of hadron spectroscopy and structure, but has been less comprehensively studied than the corresponding forward angle case. As a result, the physics of u-channel scattering poses a range of new experimental and theoretical opportunities and questions. We summarize recent progress in measuring and understanding high energy reactions with baryon charge exchange in the u-channel, as discussed in the first backward angle (u-channel) Physics Workshop. In particular, we discuss backward angle measurements and their theoretical description via both hadronic models and the collinear factorization approach, and discuss planned future measurements of u-channel physics. Finally, we propose outstanding questions and challenges for u-channel physics.

Dates et versions

hal-03286729 , version 1 (15-07-2021)

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Citer

C. Ayerbe Gayoso, Ł. Bibrzycki, S. Diehl, S. Heppelmann, D. W. Higinbotham, et al.. Progress and Opportunities in Backward angle (u-channel) Physics. European Journal of Physics, 2021, A57, pp.342. ⟨hal-03286729⟩
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