English
Related papers

Related papers: Next-to-next-to-eikonal corrections in the CGC

200 papers

We compute the cross section for photons emitted from sea quarks in proton-nucleus collisions at collider energies. The computation is performed within the dilute-dense kinematics of the Color Glass Condensate (CGC) effective field theory.…

High Energy Physics - Phenomenology · Physics 2017-03-08 Sanjin Benic , Kenji Fukushima , Oscar Garcia-Montero , Raju Venugopalan

We calculate the complete electroweak O(alpha) corrections to pp, pbar p -> l+l- X (l=e, mu) in the Standard Model of electroweak interactions. They comprise weak and photonic virtual one-loop corrections as well as real photon radiation to…

High Energy Physics - Phenomenology · Physics 2010-04-06 U. Baur , O. Brein , W. Hollik , C. Schappacher , D. Wackeroth

We calculate the tidal corrections to the loss of angular momentum in a two-body collision at leading Post-Minkowskian order from an amplitude-based approach. The eikonal operator allows us to efficiently combine elastic and inelastic…

High Energy Physics - Theory · Physics 2023-08-23 Carlo Heissenberg

Nonperturbative effects in event shape distributions can be characterized by shape functions derived in the eikonal approximation or, equivalently, from soft-collinear effective theory. The use of energy flow operators and the boost…

High Energy Physics - Phenomenology · Physics 2014-11-18 Christopher Lee , George Sterman

The $e^+e^- \to \gamma\gamma b\bar b$ is an irreducible background process in measuring the $H^0 \to \gamma\gamma$ decay width, if Higgs boson is produced in association with a $Z^0$-boson which subsequently decays via $Z^0 \to b\bar b$ at…

High Energy Physics - Phenomenology · Physics 2012-02-02 Guo Lei , Zhang Ren-You , Ma Wen-Gan , Han Liang

The azimuthal decorrelation between a vector boson and a jet is an essential hard probe in high energy proton-proton and heavy-ion collisions. We overcome intrinsic limitations of previous studies by using a recoil-free axis, achieving…

High Energy Physics - Phenomenology · Physics 2022-08-02 Yang-Ting Chien , Rudi Rahn , Solange Schrijnder van Velzen , Ding Yu Shao , Wouter J. Waalewijn , Bin Wu

We study relativistic corrections to prompt psi(2S) at high pT in hadron colliders. Our calculation employs leading-power factorization with Fragmentation Functions (FFs) computed in nonrelativistic QCD and evolved to…

High Energy Physics - Phenomenology · Physics 2025-10-09 Valerio Bertone , Jean-Philippe Lansberg , Kate Lynch

The next-to-leading nonperturbative contributions to heavy quarkonium systems are calculated. The applicability of the Voloshin-Leutwyler approach to heavy quarkonia systems for the physical cases of Bottomonium and Charmonium is…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. Pineda

We study corrections suppressed by one power of the soft gluon energy to the resummation of threshold logarithms for the Drell-Yan cross section and for Deep Inelastic structure functions. While no general factorization theorem is known for…

High Energy Physics - Phenomenology · Physics 2008-11-26 Eric Laenen , Lorenzo Magnea , Gerben Stavenga

A complete next-to-leading order calculation of longitudinally polarized heavy quark photoproduction is presented. All results of the purturbative calculation are given in detail. For reactions and energies of interest cross sections…

High Energy Physics - Phenomenology · Physics 2014-11-17 Z. Merebashvili , A. P. Contogouris , G. Grispos

A next-to-leading order correction to the high-energy factorization limit of radiation spectrum from an ultrarelativistic electron scattering in an external field is evaluated. Generally, it does not express through scattering…

High Energy Physics - Phenomenology · Physics 2017-10-25 M. V. Bondarenco

We review in some detail the QCD corrections to the measurement of the forward-backward charge asymmetry of heavy quarks in the $\mathrm{e^+e^-\rightarrow Q\overline{Q}(g)}$ process at the Z pole. We show that the size of these corrections…

High Energy Physics - Phenomenology · Physics 2021-05-03 Juan Alcaraz Maestre

We study the production of W bosons at large transverse momentum in pp collisions at the Large Hadron Collider (LHC). We calculate the complete next-to-leading order (NLO) corrections to the differential cross section. We find that the NLO…

High Energy Physics - Phenomenology · Physics 2008-11-26 Richard J. Gonsalves , Nikolaos Kidonakis , Agustin Sabio Vera

In this talk we examine how one-loop soft and collinear splitting functions occur in the calculation of next-to-next-to-leading order (NNLO) corrections to production rates, and we present the one-loop gluon soft and splitting functions,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Zvi Bern , Vittorio Del Duca , William B. Kilgore , Carl R. Schmidt

We study the forward-backward azimuthal angular correlations of hadrons in association with multi-particle production in the central rapidity region in proton-proton collisions at the LHC. We apply the nucleon energy-energy correlator…

High Energy Physics - Phenomenology · Physics 2024-08-28 Yuxun Guo , Xiaohui Liu , Feng Yuan

We calculate the next-to-leading order (NLO) quantum chromodynamics (QCD) corrections to $\gamma+\gamma\to \eta_c+c+\bar{c}$, $\gamma+\gamma\to \eta_b+b+\bar{b}$ and $\gamma+\gamma\to B_c+b+\bar{c}$ processes in the framework of…

High Energy Physics - Phenomenology · Physics 2022-05-25 Hao Yang , Zi-Qiang Chen , Cong-Feng Qiao

Nuclear reactions at intermediate beam energies are often interpreted using the eikonal model. In the analysis of complex reaction probes, where few-body reaction methods are needed, the eikonal method may be used as an efficient way for…

Nuclear Theory · Physics 2025-07-18 Daniel Shiu , Chloë Hebborn , Filomena M. Nunes

For gravitational deflections of massless particles of given helicity from a classical rotating body, we describe the general relativity corrections to the geometric optics approximation. We compute the corresponding scattering cross…

General Relativity and Quantum Cosmology · Physics 2010-11-19 A. Barbieri , E. Guadagnini

Results of our next-to-leading order analytic calculation for longitudinally polarized photoproduction of heavy quarks are presented. Certain differential cross sections and the corresponding asymmetries are computed for energy ranges…

High Energy Physics - Phenomenology · Physics 2017-08-23 Z. V. Merebashvili , A. P. Contogouris , G. Grispos

I present results for the top quark rapidity distribution at LHC and Tevatron energies, including higher-order corrections from threshold resummation. The next-to-next-to-leading-order (NNLO) soft-gluon corrections at…

High Energy Physics - Phenomenology · Physics 2011-08-08 Nikolaos Kidonakis