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Related papers: Three-loop jet function for boosted top quarks

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We analyze the energy spectra of $single$ b-jets and B-hadrons resulting from the production and decay of top quarks within the SM at the LHC at the NLO QCD. For both hadrons and jets, we calculate the correlation of the peak of the…

High Energy Physics - Phenomenology · Physics 2016-12-21 Kaustubh Agashe , Doojin Kim , Roberto Franceschini , Markus Schulze

We propose a new method to evaluate jet substructure observables in inclusive jet measurements, based upon semi-inclusive jet functions in the framework of Soft Collinear Effective Theory (SCET). As a first example, we consider the jet…

High Energy Physics - Phenomenology · Physics 2016-11-29 Zhong-Bo Kang , Felix Ringer , Ivan Vitev

Inclusive jet production (e+e- -> e+e- +jet+X) is studied in collisions of quasi-real photons radiated by the LEP beams at e+e- centre-of-mass energies sqrt see from 189 to 209 GeV. Jets are reconstructed using the kp jet algorithm. The…

High Energy Physics - Experiment · Physics 2010-04-21 The OPAL collaboration

We describe the impact of the full one-loop EW terms of O(alpha_s alpha_EM^3) entering the electron-positron into three-jet cross-section from \sqrt{s}=M_Z to TeV scale energies. We include both factorisable and non-factorisable virtual…

High Energy Physics - Phenomenology · Physics 2009-06-01 C. M. Carloni Calame , S. Moretti , F. Piccinini , D. A. Ross

Perturbative QCD formula for inclusive energy spectra of heavy quarks from heavy quark initiated jets which takes into account collinear and/or soft logarithms in all orders, the exact first order result and two-loop effects is applied to…

High Energy Physics - Phenomenology · Physics 2014-11-17 Yu. L. Dokshitzer , V. A. Khoze , S. I. Troyan

We present the calculation of the $\mathcal{O}(\alpha_s^2 C_F T_F)$ massive quark corrections to the soft function for the double hemisphere jet mass distribution in $e^+ e^-$ collisions, a necessary ingredient for the calculation of…

High Energy Physics - Phenomenology · Physics 2014-02-05 Simon Gritschacher , Andre Hoang , Ilaria Jemos , Piotr Pietrulewicz

This paper presents predictions for jet pseudorapidity (eta) and transverse momentum (p_T) distributions for the production of the Standard Model Higgs boson in association with a high-p_T hadronic jet. We discuss the contributions of…

High Energy Physics - Phenomenology · Physics 2014-11-20 Oliver Brein

We present a comprehensive study of the production of top quark pairs in association with one hard jet in the di-lepton decay channel at the LHC. Our predictions, accurate at NLO in QCD, focus on the LHC Run II with a center-of-mass energy…

High Energy Physics - Phenomenology · Physics 2016-11-28 G. Bevilacqua , H. B. Hartanto , M. Kraus , M. Worek

We discuss massive quark effects in the endpoint region $x \to 1$ of inclusive deep inelastic scattering, where the hadronic final state is collimated and thus represents a jet. In this regime heavy quark pairs are generated via secondary…

High Energy Physics - Phenomenology · Physics 2016-03-02 Andre H. Hoang , Piotr Pietrulewicz , Daniel Samitz

Many new physics models predict resonances with masses in the TeV range which decay into a pair of top quarks. With its large cross section, t\bar t production at the Large Hadron Collider (LHC) offers an excellent opportunity to search for…

High Energy Physics - Phenomenology · Physics 2008-11-26 U. Baur , L. H. Orr

We derive a factorization formula for inclusive jet production in heavy-ion collisions using the tools of Effective Field Theory (EFT). We show how physics at widely separated scales in this process can be systematically separated by…

High Energy Physics - Phenomenology · Physics 2025-04-02 Yacine Mehtar-Tani , Felix Ringer , Balbeer Singh , Varun Vaidya

The precision program of the Large Hadron Collider (LHC) increasingly relies on the boosted regime, where top quark properties are probed at the TeV scale. However, the simultaneous presence of heavy quark mass effects and large logarithmic…

High Energy Physics - Phenomenology · Physics 2026-02-16 Qian-Shun Dai , Ming-Jun Liu , Ding Yu Shao

Recent studies have highlighted the potential of jet substructure techniques to identify the hadronic decays of boosted heavy particles. These studies all rely upon the assumption that the internal substructure of jets generated by QCD…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration

We extend the threshold resummation exponents G^N in Mellin-N space to the fourth logarithmic (N^3LL) order collecting the terms alpha_s^2 (alpha_s ln N)^n to all orders in the strong coupling constant as. Comparing the results to our…

High Energy Physics - Phenomenology · Physics 2010-04-05 S. Moch , J. A. M. Vermaseren , A. Vogt

Understanding jets initiated by quarks and gluons is of fundamental importance in collider physics. Efficient and robust techniques for quark versus gluon jet discrimination have consequences for new physics searches, precision $\alpha_s$…

High Energy Physics - Phenomenology · Physics 2020-04-17 Andrew J. Larkoski , Eric M. Metodiev

After a brief introduction to Heavy Quark Effective Theory, we discuss $\alpha$ representation in HQET and methods of calculation of some kinds of HQET diagrams up to three loops.

High Energy Physics - Phenomenology · Physics 2008-12-12 A. G. Grozin

Jets are collimated clusters of particles formed by the hadronization of partons following a hard interaction. In proton-proton ($pp$) collisions at the Relativistic Heavy Ion Collider (RHIC), jet production is dominated by $gg$ and $qg$…

High Energy Physics - Experiment · Physics 2026-03-31 The STAR Collaboration

Deep inelastic scattering on nuclei at the Electron-Ion Collider will open new opportunities to investigate the structure of matter. Heavy flavor-tagged jets are complementary probes of the partonic composition and transport coefficients of…

High Energy Physics - Phenomenology · Physics 2022-03-09 Hai Tao Li , Ze Long Liu , Ivan Vitev

The results of an experiment on inclusive electron scattering from an oxygen jet target, performed in a wide range of energy and momentum transfer covering both quasi-elastic and $\Delta$(1232) resonance regions, are reported. In the former…

The extraction of transverse momentum dependent distributions (TMDs) in semi-inclusive deep inelastic scattering (SIDIS) is complicated by the presence of both initial- and final-state nonperturbative physics. We recently proposed measuring…

High Energy Physics - Phenomenology · Physics 2020-11-10 Daniel Gutierrez-Reyes , Ignazio Scimemi , Wouter J. Waalewijn , Lorenzo Zoppi
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