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Related papers: The Soft Function for Exclusive N-Jet Production a…

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We address the issues of clustering and non-global logarithms for jet shapes in the process of production of a Higgs/vector boson associated with a single hard jet at hadron colliders. We perform an analytical fixed-order calculation up to…

High Energy Physics - Phenomenology · Physics 2021-07-05 Naima Ziani , Kamel Khelifa-Kerfa , Yazid Delenda

The perturbative QCD approach, based on Modified Leading Log Approximation and Local Parton Hadron Duality, is shown to describe inclusive features of multiparticle production in the soft region. Further predictions of this approach are…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Lupia

Using soft-collinear effective theory (SCET), which provides a unified framework for factorization, resummation of logarithms, and incorporation of universal nonperturbative functions in hard-scattering QCD cross-sections, we present a new…

High Energy Physics - Phenomenology · Physics 2009-10-16 Andrew Hornig , Christopher Lee , Grigory Ovanesyan

We compute the soft-drop jet-mass distribution from $pp$ collisions to NNLL accuracy while including nonperturbative corrections through a field-theory based formalism. Using these calculations, we assess the theoretical uncertainties on an…

High Energy Physics - Phenomenology · Physics 2023-05-10 Holmfridur S. Hannesdottir , Aditya Pathak , Matthew D. Schwartz , Iain W. Stewart

In this paper we firstly demonstrate step by step that the factorization hypothesis is valid at the next-to-leading order (NLO) for the exclusive process $\rho \gamma^{\star} \to \rho$ by employing the collinear factorization approach, and…

High Energy Physics - Phenomenology · Physics 2016-02-10 Ya-lan Zhang , Shan Cheng , Jun Hua , Zhen-jun Xiao

The azimuthal angular decorrelation of a vector boson and jet is sensitive to QCD radiation, and can be used to probe the quark-gluon plasma in heavy-ion collisions. By using a recoil-free jet definition, the sensitivity to contamination…

High Energy Physics - Phenomenology · Physics 2024-01-11 Yang-Ting Chien , Rudi Rahn , Ding Yu Shao , Wouter J. Waalewijn , Bin Wu

Leading hadronisation corrections to two-jet global event shapes amount to a shift in the corresponding perturbative distributions. It has been recently established that this shift depends significantly on the value of the considered event…

High Energy Physics - Phenomenology · Physics 2025-11-25 Andrea Banfi , Basem Kamal El-Menoufi

We calculate in the next-to-leading order the impact factor (vertex) for the production of a forward high-$p_T$ jet, in the approximation of small aperture of the jet cone in the pseudorapidity-azimuthal angle plane. The final expression…

High Energy Physics - Phenomenology · Physics 2012-08-17 Dmitry Yu. Ivanov , Alessandro Papa

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

We present the general form of a universal soft-collinear distribution operator to compute the soft-virtual cross-section to next-to-next-to-next-to-next-to-leading order (N$^4$LO) in QCD for a process with any number of final state…

High Energy Physics - Phenomenology · Physics 2020-10-08 Taushif Ahmed , Ajjath A. H. , Goutam Das , Pooja Mukherjee , V. Ravindran , Surabhi Tiwari

An essential part of high-energy hadronic collisions is the soft hadronic activity that underlies the primary hard interaction. It includes soft radiation from the primary hard partons, secondary multiple parton interactions (MPI), and…

High Energy Physics - Phenomenology · Physics 2015-03-11 Iain W. Stewart , Frank J. Tackmann , Wouter J. Waalewijn

Motivated by recent experimental LHC measurements on the forward inclusive jet productions and based on our previous calculations on forward hadron productions, we calculate single inclusive jet cross-section in $pA$ collisions at forward…

High Energy Physics - Phenomenology · Physics 2023-02-08 Lei Wang , Lin Chen , Zhan Gao , Yu Shi , Shu-Yi Wei , Bo-Wen Xiao

The study of amplitudes and cross sections in the soft and collinear limits allows for an understanding of their all orders behavior, and the identification of universal structures. At leading power soft emissions are eikonal, and described…

High Energy Physics - Phenomenology · Physics 2020-04-08 Ian Moult , Iain W. Stewart , Gherardo Vita

Jet angularities are a class of jet substructure observables where a continuous parameter is introduced in order to interpolate between different classic observables such as the jet mass and jet broadening. We consider jet angularities…

High Energy Physics - Phenomenology · Physics 2019-04-29 Zhong-Bo Kang , Kyle Lee , Xiaohui Liu , Felix Ringer

We propose the use of N-jettiness (\tau_N), a global event shape variable, as a probe of nuclear dynamics in lepton-nucleus collisions. It characterizes the amount of soft radiation between the jet and nuclear beam directions. We write down…

High Energy Physics - Phenomenology · Physics 2012-12-11 Zhong-Bo Kang , Sonny Mantry , Jian-Wei Qiu

We determine the O(alpha_s^2) corrections to the partonic hemisphere soft function relevant for thrust and jet mass distributions in e+e- annihilation in the dijet limit. In this limit the distributions can be described by a factorization…

High Energy Physics - Phenomenology · Physics 2008-07-09 Andre H. Hoang , Stefan Kluth

We present a next-to-leading order computation in QCD of one-jet and two-jet cross sections in polarized hadronic collisions. Our results are obtained in the framework of a general formalism that deals with soft and collinear singularities…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. de Florian , S. Frixione , A. Signer , W. Vogelsang

One of the greatest challenges in quantum chromodynamics is understanding the hadronization mechanism, which is also crucial for carrying out precision physics with jet substructure. In this Letter, we combine recent advancements in our…

High Energy Physics - Phenomenology · Physics 2023-01-11 Anna Ferdinand , Kyle Lee , Aditya Pathak

We compute the back-to-back dijet cross-section in deep inelastic scattering (DIS) at small $x$ to next-to-leading order (NLO) in the Color Glass Condensate effective field theory. Our result can be factorized into a convolution of the…

High Energy Physics - Phenomenology · Physics 2024-02-09 Paul Caucal , Farid Salazar , Björn Schenke , Tomasz Stebel , Raju Venugopalan
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