MC Realization of IR-Improved DGLAP-CS Parton Showers: HERWIRI1.0
B.F.L. Ward (1), S. Joseph (1), S. Majhi (2), S.A. Yost (3) ((1), Department of Physics, Baylor University, Waco, TX, USA, (2) Theory Division,, Saha Institute of Nuclear Physics, Kolkata, In, (3) Department of Physics,, The Citadel, Charleston, SC, USA)
TL;DR
This paper introduces HERWIRI1.0, a new Monte Carlo generator incorporating IR-improved DGLAP-CS kernels into HERWIG6.5, and compares its predictions with standard kernels and experimental data, highlighting potential LHC implications.
Contribution
The paper develops and implements IR-improved DGLAP-CS kernels into HERWIG6.5, creating HERWIRI1.0, and demonstrates its advantages over standard kernels through data comparisons.
Findings
HERWIRI1.0 shows improved agreement with FNAL data.
IR-improved kernels enhance parton shower accuracy.
Potential implications for LHC phenomenology are discussed.
Abstract
We introduce the new IR-improved Dokshitzer-Gribov-Lipatov-Altarelli-Parisi-Callan-Symanzik (DGLAP-CS) kernels recently developed by one of us into the HERWIG6.5 to generate a new MC, HERWIRI1.0(31), for hadron-hadron scattering at high energies. We use MC data to compare the parton shower generated by the standard DGLAP-CS kernels and that generated by the new IR-improved DGLAP-CS kernels. The seamless interface to MC@NLO, MC@NLO/HERWIRI, is illustrated. We show comparisons with FNAL data and we discuss some possible LHC phenomenology implications.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Distributed and Parallel Computing Systems