HERWIRI1.0(31): MC Realization of IR-Improvement for DGLAP-CS Parton Showers
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, India, (3) Department of Physics,, The Citadel, Charleston, SC, USA)
TL;DR
This paper introduces HERWIRI1.0(31), a Monte Carlo generator implementing IR-improved DGLAP-CS kernels, showing improved modeling of parton showers and better agreement with experimental data, with potential implications for LHC physics.
Contribution
The paper presents the implementation of IR-improved DGLAP-CS kernels in HERWIG6.5, creating a new MC generator HERWIRI1.0(31) for high-energy hadron scattering.
Findings
HERWIRI1.0(31) shows differences from standard DGLAP-CS in parton shower simulations.
Comparison with FNAL data demonstrates improved agreement.
Potential impact on LHC phenomenology discussed.
Abstract
We have implemented the new IR-improved Dokshitzer-Gribov-Lipatov-Altarelli-Parisi-Callan-Symanzik (DGLAP-CS) kernels recently developed by one of us in the HERWIG6.5 environment to generate a new MC, HERWIRI1.0(31), for hadron-hadron scattering at high energies. We present MC data that illustrate the comparison between the parton shower generated by the standard DGLAP-CS kernels and that generated by the new IR-improved DGLAP-CS kernels. We also show comparisons with FNAL data and we discuss possible implications for LHC phenomenology.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Advanced Data Storage Technologies