EPJ Web Conf.
Volume 141, 2017XLVI International Symposium on Multiparticle Dynamics (ISMD 2016)
|Number of page(s)||6|
|Section||Forward physics and diffraction|
|Published online||12 April 2017|
Effects of diffraction in pp and pA collisions
Dept. of Astronomy and Theoretical Physics, Lund University, Solvegatan 14A, 22362 Lund, Sweden
a e-mail: firstname.lastname@example.org
Published online: 12 April 2017
Diffractive excitation is a large fraction of the pp cross section, also at high energies. Diffraction has been described by multi-Regge diagrams, or in the Good-Walker formalism as a result of fluctuations. The two formalisms are, however, just different sides of the same phenomenon. The dipole cascade formalism in impact parameter space is well suited to describe diffractive excitation including effects of saturation. Diffractive excitation is also an important effect in pA scattering, where the Glauber formalism has been used to estimate the number of NN subcollisions and of “wounded” nucleons. Diffractive excitation has here been either neglected or included in a simplified way, not including excitation of target nucleons. In this talk we discuss how these effects can be included with the help of the dipole cascade model DIPSY.
© The Authors, published by EDP Sciences, 2017
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