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We propose an observable which involves measuring the properties (transverse momentum $p_{h\perp}$ and energy fraction $z_h$) of an identified hadron inside a groomed jet. The jet is identified with an anti-kT/CA algorithm and is groomed by…

High Energy Physics - Phenomenology · Physics 2019-07-16 Yiannis Makris , Duff Neill , Varun Vaidya

We present the transverse momentum spectrum of groomed jets in di-jet events for $e^+e^-$ collisions and semi-inclusive deep inelastic scattering (SIDIS). The jets are groomed using a soft-drop grooming algorithm which helps in mitigating…

High Energy Physics - Phenomenology · Physics 2020-01-17 Daniel Gutierrez-Reyes , Yiannis Makris , Varun Vaidya , Ignazio Scimemi , Lorenzo Zoppi

We develop an effective field theory (EFT) framework to perform an analytic calculation for energy correlator observables computed on groomed heavy-quark jets. A soft-drop grooming algorithm is applied to a jet initiated by a massive quark…

High Energy Physics - Phenomenology · Physics 2019-10-02 Christopher Lee , Prashant Shrivastava , Varun Vaidya

We perform a phenomenological study of the invariant mass distribution of hadronic jets produced in proton-proton collisions, in conjunction a grooming algorithm. In particular, we consider the modified MassDrop Tagger (mMDT), which…

High Energy Physics - Phenomenology · Physics 2017-08-01 Simone Marzani , Lais Schunk , Gregory Soyez

In this paper, we study the fragmentation of a heavy quark into a jet near threshold, meaning that final state jet carries most of the energy of the fragmenting heavy quark. Using the heavy quark fragmentation function, we simultaneously…

High Energy Physics - Phenomenology · Physics 2021-10-13 Lin Dai , Chul Kim , Adam K. Leibovich

We study the transverse momentum spectrum of hadrons in jets. By measuring the transverse momentum with respect to a judiciously chosen axis, we find that this observable is insensitive to (the recoil of) soft radiation. Furthermore, for…

High Energy Physics - Phenomenology · Physics 2019-02-11 Duff Neill , Ignazio Scimemi , Wouter J. Waalewijn

We study the transverse momentum distribution of hadrons within jets, where the transverse momentum is defined with respect to the standard jet axis. We consider the case where the jet substructure measurement is performed for an inclusive…

High Energy Physics - Phenomenology · Physics 2017-11-16 Zhong-Bo Kang , Xiaohui Liu , Felix Ringer , Hongxi Xing

In view of the increasing precision of theoretical calculations and experimental measurements, power corrections to transverse-momentum-dependent observables are highly important. We study the next-to-leading power corrections for…

High Energy Physics - Phenomenology · Physics 2024-02-06 Rafael F. del Castillo , Max Jaarsma , Ignazio Scimemi , Wouter Waalewijn

We introduce the transverse momentum dependent fragmenting jet function (TMDFJF), which appears in factorization theorems for cross sections for jets with an identified hadron. These are functions of $z$, the hadron's longitudinal momentum…

High Energy Physics - Phenomenology · Physics 2017-06-09 Reggie Bain , Yiannis Makris , Thomas Mehen

This article presents measurements of the groomed jet radius and momentum splitting fraction in pp collisions at $\sqrt{s}=5.02$ TeV with the ALICE detector at the Large Hadron Collider. Inclusive charged-particle jets are reconstructed at…

Nuclear Experiment · Physics 2023-06-22 ALICE Collaboration

Jet substructure provides a powerful probe of partonic interactions within the quark-gluon plasma (QGP) in heavy-ion collisions. In this paper, we present a systematic theoretical study of the groomed substructures for both inclusive jets…

High Energy Physics - Phenomenology · Physics 2025-12-17 Sa Wang , Shuang Li , Jin-Wen Kang , Ben-Wei Zhang , Enke Wang

Transverse momentum spectra of charmed and beauty mesons produced in proton-proton and proton-antiproton collisions at high energies are analyzed within the modified quark-gluon string model (QGSM) including the internal motion of quarks in…

High Energy Physics - Phenomenology · Physics 2014-11-18 G. I. Lykasov , Z. M. Karpova , M. N. Sergeenko , V. A. Bednyakov

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

We present the framework for obtaining precise predictions for the transverse momentum of hadrons with respect to the thrust axis in $e^+e^-$ collisions. This will enable a precise extraction of transverse momentum dependent (TMD)…

High Energy Physics - Phenomenology · Physics 2022-02-17 Yiannis Makris , Felix Ringer , Wouter J. Waalewijn

The hadronic $\kt$-spectrum inside a high energy jet is determined including corrections of relative magnitude $\cO{\sqrt{\alpha_s}}$ with respect to the Modified Leading Logarithmic Approximation (MLLA), in the limiting spectrum…

High Energy Physics - Phenomenology · Physics 2008-08-13 Redamy Perez Ramos

The jet angularities are a class of jet substructure observables which characterize the angular and momentum distribution of particles within jets. These observables are sensitive to momentum scales ranging from perturbative hard…

Nuclear Experiment · Physics 2022-12-02 ALICE Collaboration

We study one-jet inclusive hadro-production and compute the QCD threshold corrections for large transverse momentum of the jet in the soft-gluon resummation formalism at next-to-leading logarithmic accuracy. We use the resummed result to…

High Energy Physics - Phenomenology · Physics 2015-06-17 Meduri C Kumar , Sven-Olaf Moch

We utilize the technology of open quantum systems in conjunction with the recently developed effective field theory for forward scattering to address the question of massless jet propagation through a weakly-coupled quark-gluon plasma in…

High Energy Physics - Phenomenology · Physics 2021-08-03 Varun Vaidya , Xiaojun Yao

We study the jet energy drop, which is the relative difference between the groomed and ungroomed jet energy or transverse momentum. It is one of the fundamental quantities that characterizes the impact of grooming on jets produced in high…

High Energy Physics - Phenomenology · Physics 2022-02-15 Pedro Cal , Kyle Lee , Felix Ringer , Wouter J. Waalewijn

Measurements of the differential jet cross section are presented as a function of jet mass in dijet events, in bins of jet transverse momentum, with and without a jet grooming algorithm. The data have been recorded by the CMS Collaboration…

High Energy Physics - Experiment · Physics 2018-11-28 CMS Collaboration
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