Speaker
Dr
Marat Siddikov
(UTFSM)
Description
In this talk we present the results of the diffractive single-pion production on the protons and nuclei (both for the coherent and incoherent cases). We demonstrate that all the evaluations which are based on Adler relation (AR) are valid only in the region up to 10 GeV, in the regime of short lifetime of heavy hadronic fluctuations. At higher energies, when all the relevant time scales considerably exceed the size of the target, the AR explicitly breaks down on an absorptive target, such as a heavy nucleus. In this regime, close to the black disc limit, the off-diagonal diffractive amplitudes vanish, while the diagonal one, \pi->\pi, which enters the AR, maximizes and saturates the unitarity bound.
Author
Dr
Marat Siddikov
(UTFSM)
Co-authors
Prof.
Boris Kopeliovich
(UTFSM)
Prof.
Ivan Schmidt
(UTFSM)
