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Oxygen+Oxygen (O+O) collisions at RHIC and the LHC offer a unique experimental opportunity to observe the onset of jet quenching in intermediate relativistic collision systems. As with the smaller proton-nucleus or larger nucleus-nucleus…

Nuclear Experiment · Physics 2025-12-29 JaeBeom Park , J. L. Nagle , Dennis V. Perepelitsa , Sanghoon Lim , Constantin Loizides

We compute the next-to-leading order QCD corrections to the spin-independent and spin-dependent cross-sections for the production of a single-hadron accompanied by an opposite jet in hadronic collisions. This process is being studied…

High Energy Physics - Phenomenology · Physics 2009-07-30 Daniel de Florian

Quantum computing holds the promise of substantially speeding up computationally expensive tasks, such as solving optimization problems over a large number of elements. In high-energy collider physics, quantum-assisted algorithms might…

Quantum Physics · Physics 2022-11-23 Andrea Delgado , Jesse Thaler

The size of non-perturbative corrections to high E_T jet production in deep-inelastic scattering is reviewed. Based on predictions from fragmentation models, hadronization corrections for different jet definitions are compared and the model…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Wobisch , T. Wengler

We investigate effects of threshold resummation of logarithmic corrections $\ln N$ in Mellin space quantitatively. Threshold resummation leads to enhancement of next-to-leading-order QCD predictions for jet production at large jet…

High Energy Physics - Phenomenology · Physics 2015-06-25 Hung-Liang Lai , Hsiang-nan Li

This talk expands on recently published results for the factorising next-to-next-to-leading order (NNLO) QCD corrections to Higgs boson production in the vector boson fusion (VBF) channel. The calculation is fully differential in the…

High Energy Physics - Phenomenology · Physics 2018-07-23 Juan Cruz-Martinez , Nigel Glover , Thomas Gehrmann , Alexander Huss

We briefly describe a new general algorithm for carrying out QCD calculations to next-to-leading order in perturbation theory. The algorithm can be used for computing arbitrary jet cross sections in arbitrary processes and can be…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefano Catani , Michael H. Seymour

We present the calculations of the complete next-to-leading order(NLO) QCD corrections to the inclusive total cross sections for the Kaluza-Klein(KK) graviton and photon associated production process $pp \to \gamma G_{KK} + X$ in the large…

High Energy Physics - Phenomenology · Physics 2015-03-13 Xiangdong Gao , Chong Sheng Li , Jun Gao , Robert J. Oakes , Jian Wang

Theoretical predictions used in experimental analysis of LHC data have an inherent theoretical uncertainty associated to the relevant order in the perturbative expansion that the observable is computed. In this talk we briefly introduce and…

High Energy Physics - Phenomenology · Physics 2015-06-23 Joao Pires

Using the technology of the CAESAR approach to resummation, we examine the jet-veto efficiency in Higgs-boson and Drell-Yan production at hadron colliders and show that at next-to-leading logarithmic (NLL) accuracy the resummation reduces…

High Energy Physics - Phenomenology · Physics 2015-06-04 Andrea Banfi , Gavin P. Salam , Giulia Zanderighi

The N-jettiness event shape divides phase space into N+2 regions, each containing one jet or beam. Using a geometric measure these regions correspond to jets with circular boundaries. We give a factorization theorem for the cross section…

High Energy Physics - Phenomenology · Physics 2011-06-21 Teppo T. Jouttenus , Iain W. Stewart , Frank J. Tackmann , Wouter J. Waalewijn

Jet production at hadron colliders is a benchmark process to probe the dynamics of the strong interaction and the structure of the colliding hadrons. One of the most basic jet production observables is the single jet inclusive cross…

High Energy Physics - Phenomenology · Physics 2018-11-14 James Currie , Aude Gehrmann-De Ridder , Thomas Gehrmann , E. W. N. Glover , Alexander Huss , Joao Pires

New physics searches at the LHC or Tevatron typically look for a specific number of hard jets, leptons and photons. To obtain an exclusive N-jet sample, one can measure the event shape "N-jettiness" \tau_N and veto additional undesired jets…

High Energy Physics - Phenomenology · Physics 2011-04-28 Wouter J. Waalewijn

The WW production cross section measured at the LHC has been consistently exhibiting a mild excess beyond the SM prediction, in both ATLAS and CMS at both 7-TeV and 8-TeV runs. We provide an explanation of the excess in terms of resummation…

High Energy Physics - Phenomenology · Physics 2015-01-07 Prerit Jaiswal , Takemichi Okui

We revisit the impact of the jet algorithm on predictions of energy flow into gaps between hard jets, defined using the kt clustering procedure. The resulting prediction has two distinct components: a primary emission piece that is related…

High Energy Physics - Phenomenology · Physics 2009-11-11 Yazid Delenda , Robert Appleby , Andrea Banfi , Mrinal Dasgupta

We have implemented in the RAPGAP program a previously derived subtraction method for next-to-leading order (NLO) corrections in Monte-Carlo event generators, and we show results for jet production in deep inelastic scattering. At small…

High Energy Physics - Phenomenology · Physics 2007-05-23 John Collins , Xiaomin Zu

We present a calculation of pseudoscalar Higgs production in association with a jet at Next-to-Next-to Leading Order (NNLO) accuracy in QCD. We work in an effective field theory in which $m_t \rightarrow \infty$ resulting in effective…

High Energy Physics - Phenomenology · Physics 2024-05-06 Youngjin Kim , Ciaran Williams

We discuss jet vetoes as a means of probing colour flow in hard-scattering processes in hadronic collisions. As an example, we describe a calculation of the dijet cross-section with a jet veto, which resums the leading logarithms of the…

High Energy Physics - Phenomenology · Physics 2012-06-13 Simone Marzani

The N-jettiness event shape divides phase space into N+2 regions, each containing one jet or beam. These jet regions are insensitive to the distribution of soft radiation and, with a geometric measure for N-jettiness, have circular…

High Energy Physics - Phenomenology · Physics 2015-05-30 Teppo T. Jouttenus , Iain W. Stewart , Frank J. Tackmann , Wouter J. Waalewijn

We investigate the exclusive jet mass distribution in e+e- events, defined with a veto on the out-of-jet radiation, at two-loop order. In particular, we calculate the two-loop soft function, which is required to describe this distribution…

High Energy Physics - Phenomenology · Physics 2013-05-30 Randall Kelley , Matthew D. Schwartz , Robert M. Schabinger , Hua Xing Zhu