EPJ Web of Conferences
Volume 120, 2016XLV International Symposium on Multiparticle Dynamics (ISMD 2015)
|Number of page(s)||6|
|Section||2 Diffraction and Pomeron|
|Published online||04 July 2016|
Hard diffraction in Pythia 8
Theoretical Particle Physics, Department of Astronomy and Theoretical Physics, Lund University, Sölvegatan 14A, SE-22362 Lund, Sweden.
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Published online: 4 July 2016
We present an overview of the options for diffraction implemented in the general-purpose event generator Pythia 8 . We review the existing model for soft diffraction and present a new model for hard diffraction. Both models use the Pomeron approach pioneered by Ingelman and Schlein, factorising the diffractive cross section into a Pomeron flux and a Pomeron PDF, with several choices for both implemented in Pythia 8. The model of hard diffraction is implemented as a part of the multiparton interactions (MPI) framework, thus introducing a dynamical gap survival probability that explicitly breaks factorisation.
© Owned by the authors, published by EDP Sciences, 2016
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