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Analyses of event shapes and forward jet production in deep inelastic scattering at the HERA collider are described. The results are compared to QCD predictions.

High Energy Physics - Experiment · Physics 2014-11-17 A. T. Doyle

A review is given of the latest results on jet production and studies of event shape variables in deep inelastic scattering at HERA. Jet cross sections studies for inclusive jet and dijet events are presented and compared to next-to-leading…

High Energy Physics - Experiment · Physics 2007-05-23 E. Rodrigues

Recent progress on the study of power corrections applied to event shape variables in deep inelastic ep scattering is discussed.

High Energy Physics - Experiment · Physics 2007-05-23 Hans-Ulrich Martyn

Mean values and differential distributions of event-shape variables have been studied in neutral current deep inelastic scattering using an integrated {luminosity} of 82.2 pb$^{-1}$ collected with the ZEUS detector at HERA. The kinematic…

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

The large center of mass energy and increasing statistical precision for a wide range of hadronic final state observables at the HERA lepton-proton collider has provided a detailed testing ground for QCD dynamics. Fully flexible…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Mirkes

We present a first-principle computation of the mass distribution of jets which have undergone the grooming procedure known as Soft Drop. This calculation includes the resummation of the large logarithms of the jet mass over its transverse…

High Energy Physics - Phenomenology · Physics 2018-03-14 Simone Marzani , Lais Schunk , Gregory Soyez

The HERA experiments H1 and ZEUS have recently presented a number of interesting results from studies of the hadronic final state produced in $ep$ collisions. These studies have focussed on deep inelastic scattering events and on the…

High Energy Physics - Experiment · Physics 2007-05-23 Laurel E. Sinclair

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

Results on the analysis of the hadronic final state in neutral current deep inelastic scattering at HERA are presented; recent results on inclusive single particle distributions, particle correlations and event shapes are highlighted.

High Energy Physics - Experiment · Physics 2007-05-23 N. H. Brook

The main experimental results on jet production at HERA are reviewed. A study of jet shapes shows that the internal structure of jets is well understood. The potential to accurately determine the strong coupling constant using jet rates is…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tancredi Carli

QED Compton scattering at HERA is discussed in terms of the information it may reveal on the proton structure at low momentum transfers Q2. Detailed Monte Carlo studies are performed which show that the analysis of inelastic QED Compton…

High Energy Physics - Phenomenology · Physics 2011-07-19 V. Lendermann , H. -C. Schultz-Coulon , D. Wegener

We provide a quantum field theory based description of the nonperturbative effects from hadronization for soft drop groomed jet mass distributions using the soft-collinear effective theory and the coherent branching formalism. There are two…

High Energy Physics - Phenomenology · Physics 2025-07-04 André H. Hoang , Sonny Mantry , Aditya Pathak , Iain W. Stewart

A first measurement is presented of the charge asymmetry in the hadronic final state from the hard interaction in deep-inelastic ep neutral current scattering at HERA. The measurement is performed in the range of negative squared four…

High Energy Physics - Experiment · Physics 2012-08-27 The H1 Collaboration

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

Measurements of cross sections for events with charm and beauty jets in deep inelastic scattering at HERA are presented. Events with jets of transverse energy E_T^jet > 6 GeV and pseudorapidity -1.0 < eta^jet < 1.5 in the laboratory frame…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

Measurements of structure functions and of the hadronic final state in deep inelastic scattering at HERA are presented. The results comprise the extraction of parton densities, measurements of the strong coupling, and the search for novel…

High Energy Physics - Experiment · Physics 2007-05-23 M. Kuhlen

Jet event rates in deep inelastic ep scattering at HERA are investigated applying the modified JADE jet algorithm. The analysis uses data taken with the H1 detector in 1994 and 1995. The data are corrected for detector and hadronization…

High Energy Physics - Experiment · Physics 2008-11-26 C. Adloff

Hadronic jets in deeply inelastic electron-proton collisions are produced by the scattering of a parton from the proton with the virtual gauge boson mediating the interaction. The HERA experiments have performed precision measurements of…

High Energy Physics - Phenomenology · Physics 2020-11-03 James Currie , Thomas Gehrmann , Alexander Huss , Jan Niehues

This article describes different approaches to investigate the behavior of parton evolution in the proton by exploiting various aspects of the hadronic final state produced in Deep Inelastic Scattering Events at HERA.

High Energy Physics - Experiment · Physics 2019-08-14 Roman Poeschl

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