12 papers
Simultaneous production of a boson and a charmed hadron at the LHC in general-mass variable-flavour-number scheme
Ville Alanko, Ilkka Helenius, Hannu Paukkunen
The simultaneous production of a boson and a charmed hadron in proton-proton collisions offers a potential probe for constraining the strange quark parton distribution func…
VALO1.0: New real-photon parton distributions with Monte Carlo uncertainties
Madhav Chithirasreemadam, Vadim Guzey, Felix Hekhorn +2
Performing a global QCD analysis of data on the photon structure function in scattering, we determine new leading order (LO) and next-to-leading (NLO) parton…
Inclusive charm and bottom quark pair production cross sections at hadron colliders at next-to-next-to-leading-order accuracy
David d'Enterria, Felix Hekhorn, Ilkka Helenius +2
The inclusive cross sections for charm () and bottom () quark-antiquark pair production in proton-proton, proton-a…
Multiplicative matching of neutral current deep-inelastic scattering processes at next-to-leading order in PYTHIA 8
Ilkka Helenius, Joni O. Laulainen, Christian T. Preuss
We introduce a method for matching the neutral-current deep inelastic scattering process with parton showers at first order in the strong coupling. This multiplicative matching is…
Photoproduction in general-purpose event generators
Ilkka Helenius, Peter Meinzinger, Simon Plätzer +1
We compare the three general-purpose Monte Carlo event generators, HERWIG, PYTHIA, and SHEPRA for jet photoproduction processes in and collisions. Due to the lower en…
Dimuon production in neutrino-nucleus collisions at next-to-next-to-leading order in perturbative QCD
Ilkka Helenius, Hannu Paukkunen, Sami Yrjänheikki
Charm production in charged-current neutrino-nucleus deep-inelastic scattering (DIS), measured through dimuon final states, remains an important constraint of strangeness in global…