English
Related papers

Related papers: Groomed jet mass at high precision

200 papers

We present the first calculation of the next-to-next-to-leading order threshold soft function for top quark pair production at hadron colliders, with full velocity dependence of the massive top quarks. Our results are fully analytic, and…

High Energy Physics - Phenomenology · Physics 2018-07-04 Guoxing Wang , Xiaofeng Xu , Li Lin Yang , Hua Xing Zhu

In supersymmetric models, very heavy stop squarks introduce large logarithms into the computation of the Higgs boson mass. Although it has long been known that in simple cases these logs can be resummed using effective field theory…

High Energy Physics - Phenomenology · Physics 2014-04-17 Patrick Draper , Gabriel Lee , Carlos E. M. Wagner

The weak-boson fusion process is expected to provide crucial information on Higgs boson couplings at the Large Hadron Collider at CERN. The achievable statistical accuracy demands comparison with next-to-leading order QCD calculations,…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Figy , C. Oleari , D. Zeppenfeld

We investigate the medium modifications of momentum splitting fraction and groomed jet radius with both dynamical grooming and soft drop algorithms in heavy-ion collisions. In the calculation, the partonic spectrum of initial hard…

Nuclear Theory · Physics 2023-03-22 Lei Wang , Jin-Wen Kang , Qing Zhang , Shuwan Shen , Wei Dai , Ben-Wei Zhang , Enke Wang

Groomed jet observables have a dynamical catchment area which plays a key role in determining the leading nonperturbative power corrections and the impact of the underlying event. Based on field-theoretic arguments, certain moments of the…

High Energy Physics - Phenomenology · Physics 2023-08-15 Aditya Pathak

We present next-to-leading order corrections in the leading colour approximation for jet rates in electron-positron annihilation up to seven jets. The results for the two-, three-, and four-jet rates agree with known results. The NLO jet…

High Energy Physics - Phenomenology · Physics 2013-05-30 Sebastian Becker , Daniel Goetz , Christian Reuschle , Christopher Schwan , Stefan Weinzierl

We compute the next-to-leading order QCD corrections to the production of W bosons in association with three jets at the Tevatron in the leading color approximation, which we define by considering the number of colors and the number of…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. Keith Ellis , Kirill Melnikov , Giulia Zanderighi

We consider the associated production of a vector or Higgs boson with a jet in hadronic collisions. When the transverse momentum $q_T$ of the boson-jet system is much smaller than its invariant mass $Q$, the QCD perturbative expansion is…

High Energy Physics - Phenomenology · Physics 2022-01-26 Luca Buonocore , Massimiliano Grazzini , Jürg Haag , Luca Rottoli

We present the computation of energy-energy correlation in $e^+e^-$ collisions in the back-to-back region at next-to-next-to-leading logarithmic accuracy matched with the next-to-next-to-leading order perturbative prediction. We study the…

High Energy Physics - Phenomenology · Physics 2017-12-06 Zoltán Tulipánt , Adam Kardos , Gábor Somogyi

We explore the ability of a recently proposed jet substructure technique, Dynamical Grooming, to pin down the properties of the Quark-Gluon Plasma formed in ultra-relativistic heavy-ion collisions. In particular, we compute, both…

High Energy Physics - Phenomenology · Physics 2022-09-23 Paul Caucal , Alba Soto-Ontoso , Adam Takacs

We consider the Lagrange density of non-relativistic Quantum Chromodynamics expanded up to order $1/m^2$, where $m$ is the heavy quark mass, and compute several matching coefficients up to two-loop order. Our results are building blocks for…

High Energy Physics - Phenomenology · Physics 2019-09-25 Marvin Gerlach , Go Mishima , Matthias Steinhauser

A complete next-to-leading order QCD calculation of deep inelastic electron-photon scattering including direct and resolved real photon components is presented. Soft and collinear singularities are extracted using the phase space slicing…

High Energy Physics - Phenomenology · Physics 2009-10-31 B. Pötter

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…

High Energy Physics - Phenomenology · Physics 2015-04-07 Ze Long Liu , Chong Sheng Li , Jian Wang , Yan Wang

We report the results of a next-to-leading order event generator of purely gluonic jet production. This calculation is the first step in the construction of a full next-to-leading order calculation of three jet production at hadron…

High Energy Physics - Phenomenology · Physics 2009-10-30 William B. Kilgore , W. T. Giele

We present resummed predictions at next-to-leading logarithmic accuracy matched to the exact next-to-leading order results for a set of classical event-shape observables in hadronic Higgs decays, i.e., for the channels $H\to gg$ and $H\to…

High Energy Physics - Phenomenology · Physics 2024-07-02 Aude Gehrmann-De Ridder , Christian T Preuss , Daniel Reichelt , Steffen Schumann

In this work we report on a next-to-leading order calculation of WW + jet production at hadron colliders, with subsequent leptonic decays of the W-bosons included. The calculation of the one-loop contributions is performed using generalized…

High Energy Physics - Phenomenology · Physics 2015-08-05 John M. Campbell , David J. Miller , Tania Robens

Jet grooming algorithms are widely used in experimental analyses at hadron colliders to remove contaminating radiation from within jets. While the algorithms perform a great service to the experiments, their intricate algorithmic structure…

High Energy Physics - Phenomenology · Physics 2016-08-24 Christopher Frye , Andrew J. Larkoski , Matthew D. Schwartz , Kai Yan

Hadronic decays of boosted resonances, e.g., top quark jets, at hadronic super colliders are frequent predictions in TeV-scale extensions of the Standard Model of Particle Physics. In such scenarios, accurate modeling of QCD radiation is…

High Energy Physics - Phenomenology · Physics 2016-10-31 Olivier Mattelaer , Manimala Mitra , Richard Ruiz

Heavy-quark jets are important in many of today's collider studies and searches, yet predictions for them are subject to much larger uncertainties than for light jets. This is because of strong enhancements in higher orders from large…

High Energy Physics - Phenomenology · Physics 2011-01-25 Andrea Banfi , Gavin P. Salam , Giulia Zanderighi

The High Energy Jets (HEJ) framework accounts for large logarithms arising from the wide angle hard gluon emissions. The resummation in HEJ is based on an approximation to allow fast evaluation for arbitrary multiplicity. The approximation…

High Energy Physics - Phenomenology · Physics 2014-05-26 Tuomas Hapola
‹ Prev 1 3 4 5 6 7 10 Next ›