English
Related papers

Related papers: The NNLO QCD soft function for 1-jettiness

200 papers

The distributions of two-jet event shapes contain information on hadronization in QCD. Near the two-jet limit, these distributions can be described by convolutions of nonperturbative event shape functions with the same distributions…

High Energy Physics - Phenomenology · Physics 2008-11-26 Christopher Lee , George Sterman

In this work, we perform a lattice QCD study of the intrinsic, rapidity-independent soft function within the framework of large momentum effective theory. The computation is carried out using a gauge ensemble of $N_f=2+1+1$ clover-improved…

QCD equations for the generating functions are applied to separate soft and hard jets in $e^+e^-$-processes of multiparticle production. The dependence of average multiplicities and higher moments of multiplicity distributions of particles…

High Energy Physics - Phenomenology · Physics 2009-11-11 I. M. Dremin

We compute the ${\cal O}(\alpha_s^3)$ double-real-virtual (RRV) and double-virtual-real (VVR) soft contributions to the thrust/zero-jettiness event shape. The result clears up one of the most stubborn obstacles toward the complete ${\cal…

High Energy Physics - Phenomenology · Physics 2024-02-02 Wen Chen , Feng Feng , Yu Jia , Xiaohui Liu

The Wilson Coefficients for all 4-parton operators which arise in matching QCD to Soft-Collinear Effective Theory (SCET) are computed at 1-loop. Any dijet observable calculated in SCET beyond leading order will require these results. The…

High Energy Physics - Phenomenology · Physics 2012-04-18 Randall Kelley , Matthew D. Schwartz

The complete two-loop expression for the jet function J(p^2,mu) of soft-collinear effective theory is presented, including non-logarithmic terms. Combined with our previous calculation of the soft function S(omega,mu), this result provides…

High Energy Physics - Phenomenology · Physics 2009-11-11 Thomas Becher , Matthias Neubert

We present a detailed phenomenological study of Z-boson production in association with a jet through next-to-next-to-leading order (NNLO) in perturbative QCD. Fiducial cross sections and differential distributions for both 8 TeV and 13 TeV…

High Energy Physics - Phenomenology · Physics 2016-10-17 Radja Boughezal , Xiaohui Liu , Frank Petriello

We calculate the soft function using lattice QCD in the framework of large momentum effective theory incorporating the one-loop perturbative contributions. The soft function is a crucial ingredient in the lattice determination of light cone…

We consider dijet production in $e^+e^-$ collisions and in $H\to b{\bar b}$ decays at next-to-next-to-leading order (NNLO) in perturbative QCD. A new non-local subtraction scheme is applied, for the first time, to obtain the fully…

High Energy Physics - Phenomenology · Physics 2025-12-04 Luca Buonocore , Massimiliano Grazzini , Flavio Guadagni , Jürg Haag , Stefan Kallweit , Luca Rottoli

We present the first complete calculation of the soft photon self-energy to the next-to-leading order in a hot and/or dense ultrarelativistic plasma in Quantum Electrodynamics (QED). The calculation is performed within the real-time…

High Energy Physics - Phenomenology · Physics 2023-03-01 Tyler Gorda , Aleksi Kurkela , Juuso Österman , Risto Paatelainen , Saga Säppi , Philipp Schicho , Kaapo Seppänen , Aleksi Vuorinen

We compute the next-to-next-to-leading order (NNLO) QCD corrections to the first five moments of six event shape variables related to three-particle final states in electron-positron annihilation; the thrust, the heavy jet mass, the…

High Energy Physics - Phenomenology · Physics 2009-06-11 A. Gehrmann-De Ridder , T. Gehrmann , E. W. N. Glover , G. Heinrich

We derive the leading-power singular terms at three loops for both $q_T$ and 0-jettiness, $\cal{T}_0$, for generic color-singlet processes. Our results provide the complete set of differential subtraction terms for $q_T$ and $\cal{T}_0$…

High Energy Physics - Phenomenology · Physics 2021-02-18 Georgios Billis , Markus A. Ebert , Johannes K. L. Michel , Frank J. Tackmann

The transverse-momentum-dependent (TMD) soft function for a generic hadroproduction process involving massive colored particles is analytically calculated at the one-loop level, extended to higher orders in the dimensional regulator…

High Energy Physics - Phenomenology · Physics 2025-07-04 Hua-Sheng Shao , Guoxing Wang

We consider the radiation of two or more soft partons in QCD hard-scattering at one-loop order. The corresponding scattering amplitude is singular, and the singular behaviour is controlled by a process-independent soft current. Using…

High Energy Physics - Phenomenology · Physics 2022-02-16 Stefano Catani , Leandro Cieri

We discuss non-perturbative QCD corrections to jet distributions in hadron collisions, focussing on hadronisation and underlying event contributions. Using soft gluon resummation and Monte-Carlo modelling we show that hadronisation…

High Energy Physics - Phenomenology · Physics 2007-06-22 Matteo Cacciari , Mrinal Dasgupta , Lorenzo Magnea , Gavin Salam

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 report the first calculation of fully differential jet production in all partonic channels at next-to-next-to leading order (NNLO) in perturbative QCD and compare to the available ATLAS 7 TeV data. We discuss the size and shape of the…

High Energy Physics - Phenomenology · Physics 2017-04-14 James Currie , E. W. N. Glover , Joao Pires

We carry out next-to-leading order (NLO) parton model calculations for the standard hard ``QCD'' processes in the massless Schwinger model. The asymptotic expansion of the exact result for the deep inelastic cross section is used to infer…

High Energy Physics - Phenomenology · Physics 2009-10-28 Jin Dai , James Hughes , Jun Liu

We present a new formulation of the MINNLO method to match NNLO QCD calculations with parton showers by using jettiness as a resummation variable. The full derivation for colour-singlet processes is presented using $0$-jettiness starting…

High Energy Physics - Phenomenology · Physics 2024-02-02 Markus Ebert , Luca Rottoli , Marius Wiesemann , Giulia Zanderighi , Silvia Zanoli

We calculate the three-loop soft function for the production of an electroweak boson (Higgs, $\gamma$, $W^\pm$, $Z$) with large transverse momentum at a hadron collider. It is the first time a soft function for a three-parton process is…

High Energy Physics - Phenomenology · Physics 2021-02-23 Ze Long Liu , Maximilian Stahlhofen
‹ Prev 1 8 9 10 Next ›