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MiNNLO$_{PS}$: a new method to match NNLO QCD to parton showers
- Source :
- Journal of High Energy Physics, Journal of High Energy Physics, Springer, 2020, 05, pp.143. ⟨10.1007/JHEP05(2020)143⟩, JHEP, JHEP, 2020, 05, pp.143. ⟨10.1007/JHEP05(2020)143⟩, Journal of High Energy Physics, Vol 2020, Iss 5, Pp 1-45 (2020)
- Publication Year :
- 2020
- Publisher :
- HAL CCSD, 2020.
-
Abstract
- We present a novel method to combine QCD calculations at next-to-next-to-leading order (NNLO) with parton shower (PS) simulations, that can be applied to the production of heavy systems in hadronic collisions, such as colour singlets or a $t\bar{t}$ pair. The NNLO corrections are included by connecting the MiNLO$^\prime$ method with transverse-momentum resummation, and they are calculated at generation time without any additional reweighting, making the algorithm considerably efficient. Moreover, the combination of different jet multiplicities does not require any unphysical merging scale, and the matching preserves the structure of the leading logarithmic corrections of the Monte Carlo simulation for parton showers ordered in transverse momentum. We present proof-of-concept applications to hadronic Higgs production and the Drell-Yan process at the LHC.<br />Comment: Fixed sign typo in Eq. (4.24)
- Subjects :
- Drell-Yan process
Nuclear and High Energy Physics
Particle physics
p p: scattering
Monte Carlo method
Nuclear Theory
FOS: Physical sciences
Parton
Jet (particle physics)
01 natural sciences
quantum chromodynamics: correction
High Energy Physics - Experiment
parton: showers
High Energy Physics - Experiment (hep-ex)
High Energy Physics - Phenomenology (hep-ph)
0103 physical sciences
Perturbative QCD
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
lcsh:Nuclear and particle physics. Atomic energy. Radioactivity
Resummation
010306 general physics
Parton shower
Nuclear Experiment
correction: higher-order
Particle Physics - Phenomenology
Quantum chromodynamics
Physics
NLO computations
010308 nuclear & particles physics
hep-ex
High Energy Physics::Phenomenology
higher-order: 2
Drell–Yan process
hep-ph
High Energy Physics - Phenomenology
CERN LHC Coll
Higgs particle: production
[PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]
lcsh:QC770-798
High Energy Physics::Experiment
numerical calculations: Monte Carlo
top: pair production
Particle Physics - Experiment
Subjects
Details
- Language :
- English
- ISSN :
- 11266708 and 10298479
- Database :
- OpenAIRE
- Journal :
- Journal of High Energy Physics, Journal of High Energy Physics, Springer, 2020, 05, pp.143. ⟨10.1007/JHEP05(2020)143⟩, JHEP, JHEP, 2020, 05, pp.143. ⟨10.1007/JHEP05(2020)143⟩, Journal of High Energy Physics, Vol 2020, Iss 5, Pp 1-45 (2020)
- Accession number :
- edsair.doi.dedup.....4f12f1bfe48358ff31fb4006827e2b82
- Full Text :
- https://doi.org/10.1007/JHEP05(2020)143⟩