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An extension to the Soft-Collinear-Effective Theory (SCET) description of hard jets is motivated to include the leading contributions between the propagating partons within the jet with partons radiated from a dense extended medium. The…

High Energy Physics - Phenomenology · Physics 2009-11-06 Ahmad Idilbi , Abhijit Majumder

We present the first application of a recently-developed effective theory of jet propagation in matter SCETG to inclusive hadron suppression in nucleus-nucleus collisions at the LHC. SCETG-based splitting kernels allow us to go beyond the…

High Energy Physics - Phenomenology · Physics 2015-03-09 Zhong-Bo Kang , Robin Lashof-Regas , Grigory Ovanesyan , Philip Saad , Ivan Vitev

We use Soft Collinear Effective Theory (SCET) to analyze the transverse momentum broadening, or diffusion in transverse momentum space, of an energetic parton propagating through quark-gluon plasma. Since we neglect the radiation of gluons…

High Energy Physics - Phenomenology · Physics 2011-11-01 Francesco D'Eramo , Hong Liu , Krishna Rajagopal

In this plenary talk I discuss soft-collinear effective theory (SCET) as a framework for precision QCD phenomenology. Emphasis is placed on jet and heavy flavor observables accessible at current and future collider facilities. One of the…

High Energy Physics - Phenomenology · Physics 2016-12-30 Ivan Vitev

Soft Collinear Effective Theory (SCET) is an effective field theory which describes the interactions of low invariant mass jets which are highly boosted with respect to one another. In the standard formulation of SCET, the effective…

High Energy Physics - Phenomenology · Physics 2013-05-30 Simon M. Freedman , Michael Luke

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

In subleading powers of soft-collinear effective theory (SCET), the Lagrangian contains couplings between soft quarks and hard-collinear quarks. Matrix elements of the hard-collinear parts of these couplings are radiative jet functions. In…

High Energy Physics - Phenomenology · Physics 2024-04-02 Geoffrey T. Bodwin , June-Haak Ee , Daekyoung Kang , Xiang-Peng Wang

The photon bremsstrahlung rate from a quark jet produced in deep-inelastic scattering (DIS) off a large nucleus is studied in the collinear limit. The leading medium-enhanced higher twist corrections which describe the multiple scattering…

Nuclear Theory · Physics 2008-11-26 A. Majumder , R. J. Fries , B. Müller

Parton propagation in dense nuclear matter results in elastic, inelastic and coherent multiple soft scattering with the in-medium color charges. Such scattering leads to calculable modifications of the hadron production cross section that…

High Energy Physics - Phenomenology · Physics 2015-06-25 Ivan Vitev

In these proceedings we report a recent calculation of the jet charge modification in heavy-ion relative to proton collisions at the LHC. Jets have played an essential role in constraining theories of in-medium parton shower evolution and…

High Energy Physics - Phenomenology · Physics 2020-09-09 Haitao Li , Ivan Vitev

In heavy-ion collisions, an abundant production of high-energy QCD jets allows to study how these multiparticle sprays are modified as they pass through the quark-gluon plasma. In order to shed new light on this process, we compute the…

High Energy Physics - Phenomenology · Physics 2015-12-24 Jorge Casalderrey-Solana , Daniel Pablos , Konrad Tywoniuk

We study the asymptotic behaviour of the transverse momentum broadening distribution of an energetic quark or gluon propagating through dense QCD matter, in the large system size $L$ limit, taking into account radiative corrections in the…

High Energy Physics - Phenomenology · Physics 2021-11-02 Paul Caucal

We analyze the transverse momentum broadening in the absence of radiation of an energetic parton propagating through quark-gluon plasma via Soft Collinear Effective Theory (SCET). We show that the probability for picking up transverse…

High Energy Physics - Phenomenology · Physics 2011-07-28 Francesco D'Eramo , Hong Liu , Krishna Rajagopal

We develop a version of Soft Collinear Effective Theory (SCET) which includes finite quark masses, as well as Glauber gluons that describe the interaction of collinear partons with QCD matter. In the framework of this new effective field…

High Energy Physics - Phenomenology · Physics 2017-04-07 Zhong-Bo Kang , Felix Ringer , Ivan Vitev

Soft-Collinear Effective Theory is a framework for systematically organizing and resumming the logarithmic contributions that occur in high-energy reactions. It provides a factorized description of cross sections in terms of hard, jet,…

High Energy Physics - Phenomenology · Physics 2025-12-30 Saurav Goyal , Sven-Olaf Moch , Vaibhav Pathak , V. Ravindran

We study the evolution of an energetic jet which radiates gluons while propagating through a dense QCD medium modeled as a random distribution of color sources. Motivated by the heavy ion experimental program at the LHC, we focus on the…

High Energy Physics - Phenomenology · Physics 2015-06-11 Jean-Paul Blaizot , Fabio Dominguez , Edmond Iancu , Yacine Mehtar-Tani

The jet quenching phenomenon in heavy ion collisions provides a strong evidence of the modification of parton shower in the quark-gluon plasma (QGP). Jet substructure observables can probe various aspects of the jet formation mechanism.…

High Energy Physics - Phenomenology · Physics 2016-11-22 Yang-Ting Chien

We perform a comprehensive analysis of medium modifications on ungroomed jet angularities, $\tau_a$, within the framework of Soft-Collinear Effective Theory with Glauber gluons (SCET$_{\rm G}$). Angularities are a one-parameter family of…

High Energy Physics - Phenomenology · Physics 2025-07-11 Ankita Budhraja , Rishi Sharma , Balbeer Singh

We calculate the jet shape and the jet cross section in heavy ion collisions using soft-collinear effective theory (SCET) and its extension with Glauber gluon interactions in the medium (SCET$_{\rm G}$). We use the previously developed…

High Energy Physics - Phenomenology · Physics 2016-05-25 Yang-Ting Chien , Ivan Vitev

We obtain perturbative expressions for jet distributions using soft-collinear effective theory (SCET). By matching SCET onto QCD at high energy, tree level matrix elements and higher order virtual corrections can be reproduced in SCET. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Christian W. Bauer , Matthew D. Schwartz
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