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Autor:
van Hameren, Andreas
I report on progress in the calculation of one-loop amplitudes with a space-like gluon. Amplitudes with space-like partons are relevant for factorization procedure s that require initial-state partons with non-vanishing transverse momentum components
Externí odkaz:
http://arxiv.org/abs/1807.05930
Autor:
Bury, Marcin, Van Haevermaet, Hans, Van Hameren, Andreas, Van Mechelen, Pierre, Kutak, Krzysztof, Serino, Mirko
We present calculations of single inclusive jet transverse momentum and energy spectra at forward rapidity ($5.2\!<\!y\!<\!6.6$) in proton-lead collisions with $\sqrt{s_{NN}}$ = 5.02 TeV. The predictions are obtained with the KaTie Monte Carlo event
Externí odkaz:
http://arxiv.org/abs/1712.08105
Autor:
Bury, Marcin, van Hameren, Andreas, Jung, Hannes, Kutak, Krzysztof, Sapeta, Sebastian, Serino, Mirko
A new calculation using off-shell matrix elements with TMD parton densities supplemented with a newly developed initial state TMD parton shower is described. The calculation is based on the KaTie package for an automated calculation of the partonic p
Externí odkaz:
http://arxiv.org/abs/1712.05932
Autor:
van Hameren, A.
I report on recent advancements regarding calculations that require initial-state partons with non-vanishing transverse momentum, causing it to be space-like and thus off-shell.
Comment: Presented at EDS Blois 2017, Prague, Czech Republic, June
Comment: Presented at EDS Blois 2017, Prague, Czech Republic, June
Externí odkaz:
http://arxiv.org/abs/1710.10963
Autor:
van Hameren, A.
A method to define and calculate one-loop amplitudes with an off-shell space-like, or $k_T$-dependent, gluon is presented. It introduces a practical regularization to deal with the divergencies that appear due to linear denominators, and can be appli
Externí odkaz:
http://arxiv.org/abs/1710.07609
We discuss production of two $\mu^+\mu^-$ pairs in ultraperipheral ultrarelativistic heavy ion collisions at the LHC. We take into account electromagnetic (two-photon) double-scattering production and for a first time direct $\gamma\gamma$ production
Externí odkaz:
http://arxiv.org/abs/1708.07742
We complete the generalisation of the BCFW recursion relation to the off-shell case, allowing for the computation of tree level scattering amplitudes for full High Energy Factorisation (HEF), i.e. with both incoming partons having a non-vanishing tra
Externí odkaz:
http://arxiv.org/abs/1611.04380
Autor:
van Hameren, A.
KaTie is a parton-level event generator for hadron scattering processes that can deal with partonic initial-state momenta with an explicit transverse momentum dependence causing them to be space-like. Provided with the necessary transverse momentum d
Externí odkaz:
http://arxiv.org/abs/1611.00680
Akademický článek
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