Abstract
We discuss the salient features of the Pomeron splitting mechanism for coherent diffraction of pions into hard dijets on nuclei. Our findings include antishadowing multiple-Pomeron splitting expansion for diffractive amplitudes, exact cancellation of nuclear attenuation, and broadening/antishadowing effects to leading twist and parameter-free perturbative calculation of nuclear-rescattering-driven higher twist correction. We comment on the pQCD interpretation of the E791 results on diffractive dijets.
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From Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 72, No. 8, 2000, pp. 583–588.
Original English Text Copyright © 2000 by Nikolaev, Schäfer, Schwiete.
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Nikolaev, N.N., Schäfer, W. & Schwiete, G. Multiple-Pomeron splitting in QCD—A novel antishadowing effect in coherent dijet production on nuclei. Jetp Lett. 72, 405–409 (2000). https://doi.org/10.1134/1.1335117
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DOI: https://doi.org/10.1134/1.1335117