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Soft-collinear effective theory (SCET) has become a standard tool to study the factorization of short- and long-distance effects in processes involving low-energetic (soft) particles and high-energetic/low-virtuality (collinear) modes. In…

High Energy Physics - Phenomenology · Physics 2009-06-25 Thorsten Feldmann

We elaborate a cut (truncated) Mellin moments (CMM) approach that is constructed to study deep inelastic scattering in lepton-hadron collisions at the natural kinematic constraints. We show that generalized CMM obtained by multiple…

High Energy Physics - Theory · Physics 2015-06-19 D. Kotlorz , S. V. Mikhailov

We argue that energetic muon-electron scattering in the backward direction can be viewed as a template case to study the resummation of large logarithms related to endpoint divergences appearing in the effective-theory formulation of…

High Energy Physics - Phenomenology · Physics 2022-09-26 Guido Bell , Philipp Böer , Thorsten Feldmann

We present a formulation of soft-collinear effective theory (SCET) in the two-jet sector as a theory of decoupled sectors of QCD coupled to Wilson lines. The formulation is manifestly boost-invariant, does not require the introduction of…

High Energy Physics - Phenomenology · Physics 2018-04-04 Raymond Goerke , Michael Luke

Parton jets in the hot and dense medium of a Quark Gluon Plasma (QGP) can undergo multiple processes of scatterings off medium particles as well as processes of coherent medium induced radiations. A Monte-Carlo algorithm and resulting…

High Energy Physics - Phenomenology · Physics 2023-06-12 Martin Rohrmoser

The unique experimental connection to the QCD energy-momentum tensor offered by generalised parton distributions has been strongly highlighted in the past few years with attempts to extract the pressure and shear forces distributions within…

High Energy Physics - Phenomenology · Physics 2024-10-18 Hervé Dutrieux , Thibaud Meisgny , Cédric Mezrag , Hervé Moutarde

A semiclassical theory of high energy scattering based on interrupted tunneling (instantons) or QCD sphaleron production has been recently developed to describe the growing hadronic cross section and properties of the soft Pomeron. In this…

High Energy Physics - Phenomenology · Physics 2009-11-10 Edward Shuryak , Ismail Zahed

We report on recent results on the differential cross section for slepton pair-production at hadron colliders. We use an approach to threshold resummation, based on soft-collinear effective theory, to quantify the dynamical enhancement of…

High Energy Physics - Phenomenology · Physics 2011-11-04 Alessandro Broggio , Matthias Neubert , Leonardo Vernazza

We present a derivation of the medium-induced gluon radiation spectrum beyond the current limitation of soft gluon emission. Making use of the path integral approach to describe the propagation of high-energy particles inside a medium, we…

High Energy Physics - Phenomenology · Physics 2012-11-08 Liliana Apolinário , Néstor Armesto , Carlos A. Salgado

High-energy proton-nucleus (pA) collisions offer valuable insight into the role of cold nuclear matter effects in hadron production. In particular, multiple rescatterings of an incoming parton by the nuclear target are known to induce the…

High Energy Physics - Phenomenology · Physics 2025-08-12 Greg Jackson , Stéphane Peigné , Kazuhiro Watanabe

We describe a QCD motivated model for total cross-sections which uses the eikonal representation and incorporates QCD mini-jets to drive the rise with energy of the cross-section, while the impact parameter distribution is obtained through…

High Energy Physics - Phenomenology · Physics 2008-10-21 A. Achilli , R. M. Godbole , A. Grau , G. Pancheri , Y. N. Srivastava

Heavy ion collisions at high energies can be used as an interesting way to recreate and study the medium of the quark-gluon plasma (QGP). We particularly investigate the jets produced in hard binary collisions and their interactions with a…

High Energy Physics - Phenomenology · Physics 2020-09-11 Martin Rohrmoser , Krzysztof Kutak , Andreas van Hameren , Wiesław Płaczek , Konrad Tywoniuk

We study the medium-induced gluon emission from a hard quark jet traversing the dense nuclear matter within the framework of deep inelastic scattering off a large nucleus. We extend the previous work and compute the single gluon emission…

Nuclear Theory · Physics 2018-09-26 Le Zhang , De-Fu Hou , Guang-You Qin

The brittle fragmentation of spheres is studied numerically by a 3D Discrete Element Model. Large scale computer simulations are performed with models that consist of agglomerates of many spherical particles, interconnected by beam-truss…

Materials Science · Physics 2015-09-04 Falk K. Wittel , Humberto A. Carmona , Ferenc Kun , Hans J. Herrmann

These lectures provide an introduction to Soft-Collinear Effective Theory. After discussing the expansion of Feynman diagrams around the high-energy limit, the effective Lagrangian is constructed, first for a scalar theory, then for QCD.…

High Energy Physics - Phenomenology · Physics 2020-08-21 Thomas Becher , Alessandro Broggio , Andrea Ferroglia

We derive a factorization theorem that allows for resummation of small-$x$ logarithms by exploiting Glauber operators in the soft collinear effective field theory. Our analysis is carried out for the hadronic tensor $W^{\mu\nu}$ in deep…

High Energy Physics - Phenomenology · Physics 2023-03-27 Duff Neill , Aditya Pathak , Iain Stewart

We exploit a recent non-perturbative determination of the momentum broadening kernel $C(b_{\bot})$ in impact parameter space \cite{Moore:2021jwe}, to determine the momentum space broadening kernel $C(q_{\bot})$ in high-temperature QCD…

High Energy Physics - Phenomenology · Physics 2022-05-30 Soeren Schlichting , Ismail Soudi

Soft Collinear Effective Theory (SCET) is an effective field theory of Quantum Chromodynamics (QCD) for processes where there are energetic, nearly lightlike degrees of freedom interacting with one another via soft radiation. SCET has found…

High Energy Physics - Phenomenology · Physics 2015-06-23 Christopher Lee

Comprehensive understanding of medium-induced radiative energy loss is of a paramount importance in describing observed jet quenching in heavy-ion collisions. In this work, we have calculated the medium-modified gluon splitting rates for…

High Energy Physics - Phenomenology · Physics 2021-02-18 Souvik Priyam Adhya , Carlos A. Salgado , Martin Spousta , Konrad Tywoniuk

Double parton distributions at small distances between the two partons are dominated by a mechanism in which the two observed partons originate from the splitting of a single parton. This contribution can be computed in terms of…

High Energy Physics - Phenomenology · Physics 2026-02-23 Markus Diehl , Peter Ploessl