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Positivity constraints for off-forward parton distributions |
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| Authors: | B. Pire J. Soffer O. Teryaev |
| Affiliation: | (1) CPhT, Ecole Polytechnique, F-91128 Palaiseau, France , FR;(2) CPT-CNRS, F-13288 Marseille Cedex 9, France , FR;(3) Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia , RU |
| Abstract: | Off-Forward Parton Distributions (OFPD's) are new hadronic objects which may be measured in various exclusive reactions. We derive non-trivial positivity constraints for them that should allow to get unbiased rate estimates for proposed experiments. Received: 16 September 1998 / Revised version: 15 October 1998 / Published online: 11 March 1999 |
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