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Soft pion theorem for hard near threshold pion production | | P.V. Pobylitsa
; M.V. Polyakov
; M. Strikman
; | | Date: |
24 Dec 2000 | | Journal: | Phys.Rev.Lett. 87 (2001) 022001 | | Subject: | hep-ph hep-ex nucl-th | | Abstract: | We prove new soft pion theorem for the near threshold pion production by a hard electromagnetic probe. This theorem relates various near threshold pion production amplitudes to the nucleon distribution amplitudes. The new soft pion theorem is in a good agreement with the SLAC data for F_2^p(W,Q^2) for W^2 < 1.4 GeV^2 and 7 < Q^2 < 30.7 GeV^2. | | Source: | arXiv, hep-ph/0101279 | | Services: | Forum | Review | PDF | Favorites | |
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