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Related papers: The BFKL equation, Mueller-Navelet jets and single…

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We analyse the azimuthal decorrelation of Mueller-Navelet dijets produced in the collisions at Tevatron energies using a BFKL framework which incorporates dominant subleading effects. We show that these effects significantly reduce the…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. Kwiecinski , A. D. Martin , L. Motyka , J. Outhwaite

The azimuthal angular decorrelation that is relevant to small-x QCD physics is studied in this paper to show the BFKL effect with a recent event generator. Events are generated at \sqrt{s} = 100 TeV with proton-proton collisions and jets,…

High Energy Physics - Phenomenology · Physics 2019-03-27 I. Hos , H. Saygin , S. Kuday

We consider the (process-independent) Green function for the BFKL equation in the next-to-leading order approximation, with running coupling, and explain how, within the semi-classical approximation, it is related to Green function of the…

High Energy Physics - Phenomenology · Physics 2015-06-18 Henri Kowalski , Lev Lipatov , Douglas Ross

We present a method for improving the phenomenological description of Mueller-Navelet jets at LHC, which is based on matching the BFKL resummation with fixed order calculations. We point out the need of a consistent identification of jets…

High Energy Physics - Phenomenology · Physics 2017-10-02 Dimitri Colferai , Federico Deganutti , Alessandro Niccoli

The cross sections for inclusive and Mueller-Navelet dijet production are measured as a function of the rapidity separation between the jets in proton-proton collisions at $\sqrt{s} =$ 2.76 TeV for jets with transverse momentum…

High Energy Physics - Experiment · Physics 2022-04-26 CMS Collaboration

We give the first phenomenological predictions of cross sections and azimuthal correlations for the inclusive di-hadron production in the full NLA BFKL approach. This process shares the same theoretical framework with the well konwn…

High Energy Physics - Phenomenology · Physics 2017-10-03 Francesco Giovanni Celiberto , Dmitry Yu. Ivanov , Beatrice Murdaca , Alessandro Papa

The calculations based on the next-to-leading logarithm (NLL) approximation for the Balitsky-Fadin-Kuraev-Lipatov (BKFL) evolution are presented for the Mueller-Navelet (MN) dijet production cross section, as well as for their ratios at…

High Energy Physics - Phenomenology · Physics 2023-07-14 Anatolii Iu. Egorov , Victor T. Kim

The solution to the non-forward BFKL equation in the Leading Logarithmic approximation is expressed in terms of a sum of iterations of its kernel directly in transverse momentum and rapidity space. Several studies of the non-forward…

High Energy Physics - Phenomenology · Physics 2009-11-10 Jeppe R. Andersen , Agustin Sabio Vera

The perturbative QCD description of high-energy hadroproduction of two hard jets separated by a large rapidity gap void of emission (also called Mueller-Tang jets) is based on a factorization formula of BFKL type that represents exchanges…

High Energy Physics - Phenomenology · Physics 2021-11-30 Dimitri Colferai

A study of differential cross sections and azimuthal observables for semi-hard processes at LHC energies, including BFKL resummation effects, is presented. Particular attention has been paid to the behaviour of the azimuthal correlation…

High Energy Physics - Phenomenology · Physics 2017-09-22 Francesco Giovanni Celiberto

Within the framework of a high-twist approach, we show the first complete next-to-leading order calculation of transverse momentum broadening in semi-inclusive deeply inelastic $e+A$ scattering and Drell-Yan dilepton production in $p+A$…

High Energy Physics - Phenomenology · Physics 2015-03-09 Hongxi Xing , Zhong-Bo Kang , Enke Wang , Xin-Nian Wang

We study the transverse momentum of the leading jet in the limit where the jet radius is small, $R\ll 1$. We introduce the leading-jet function to calculate this cross section for an inclusive jet sample, and the subleading-jet function…

High Energy Physics - Phenomenology · Physics 2020-09-29 Darren J. Scott , Wouter J. Waalewijn

We compute the complete set of two-loop beam functions for the transverse momentum distribution of the leading jet produced in association with an arbitrary colour-singlet system. Our results constitute the last missing ingredient for the…

High Energy Physics - Phenomenology · Physics 2023-05-17 Samuel Abreu , Jonathan R. Gaunt , Pier Francesco Monni , Luca Rottoli , Robert Szafron

We define new observables sensitive to BFKL dynamics in the context of multijet production at the large hadron collider (LHC). We propose the study of the inclusive production of three jets well separated in rapidity from each other, with…

High Energy Physics - Phenomenology · Physics 2016-01-13 F. Caporale , G. Chachamis , B. Murdaca , A. Sabio Vera

The next-to-leading corrections to the jet vertex which is relevant for the Mueller-Navelet jets production in hadronic collisions and for the forward jet cross section in lepton-hadron collisions are presented in the context of a k_t…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. P. Vacca

We discuss the impact of corrections beyond the leading-logarithmic accuracy on some recently proposed LHC observables that are based on azimuthal-angle ratios in a kinematical setup that is an extension to the usual one for Mueller-Navelet…

High Energy Physics - Phenomenology · Physics 2017-09-11 G. Chachamis , F. Caporale , F. G. Celiberto , D. Gordo Gomez , A. Sabio Vera

We discuss a recent study on high-energy jet production in the multi-Regge limit done with the use of the Monte Carlo event generator BFKLex which includes collinear improvements in the form of double-log contributions. We will show results…

High Energy Physics - Phenomenology · Physics 2016-10-06 G. Chachamis , A. Sabio Vera

In this contribution we study azimuthal angle decorrelation in inclusive dijet cross sections taking into account the next-to-leading (NLO) corrections to the BFKL kernel while keeping the jet vertices at leading order. We show how the…

High Energy Physics - Phenomenology · Physics 2009-04-14 A. Sabio Vera , F. Schwennsen

We show that rank-ordered jet rapidity distributions - a direct application of order statistics - provide a simple yet powerful probe of high-energy (small-x) QCD dynamics at the LHC. In inclusive dijet topologies at s^(1/2) = 8 and 13 TeV,…

High Energy Physics - Phenomenology · Physics 2025-12-15 G. Chachamis , A. Sabio Vera , D. Vaccaro

Two relevant points related to the application of the BFKL formalism to phenomenology are discussed. First, we have presented a set of observables characterizing multi-jet configurations event by event (average transverse momentum, average…

High Energy Physics - Phenomenology · Physics 2017-09-12 G. Chachamis , A. Sabio Vera , D. A. Ross