Resummation prediction on the jet mass spectrum in one-jet inclusive production at the LHC

Abstract

We study the factorization and resummation prediction on the jet mass spectrum in one-jet inclusive production at the LHC based on soft-collinear effective theory. The soft function with anti-$k_T$ algorithm is calculated at next-to-leading order and its validity is demonstrated by checking the agreement between the expanded leading singular terms with the exact fixed-order result. The large logarithms ${\ln }^n(m_J^2/p_T^2)$ and the global logarithms ${\ln }^n(s_4/p_T^2)$ in the process are resummed to all order at next-to-leading logarithmic and next-to-next-to-leading logarithmic level, respectively. The cross section is enhanced by about 23% from the next-to-leading logarithmic level to next-to-next-to-leading logarithmic level. Comparing our resummation predictions with those from Monte Carlo tool PYTHIA and ATLAS data at the 7 TeV LHC, we find that the peak positions of the jet mass spectra agree with those from PYTHIA at parton level, and the predictions of the jet mass spectra with non-perturbative effects are in coincidence with the ATLAS data. We also show the predictions at the future 13 TeV LHC.

arXiv comment43 pages, 10 figures

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• The Sivers Asymmetry in Hadronic Dijet Production
• Invariant Jet Mass Measurements in $pp$ Collisions at $\sqrt{s}=200$ GeV at RHIC
• Factorized groomed jet mass distribution in inclusive jet processes
• Aspects of Track-Assisted Mass
• Removing phase-space restrictions in factorized cross sections
• Subtracted Cumulants: Mitigating Large Background in Jet Substructure