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Related papers: DIS event-shape resummations and spin-offs

200 papers

Two-jet cross sections in deep inelastic scattering at HERA are calculated in next-to-leading order. The importance of higher order corrections and recombination scheme dependencies is studied for various jetalgorithms. Some implications…

High Energy Physics - Phenomenology · Physics 2011-04-15 Erwin Mirkes , Dieter Zeppenfeld

A global fit for $\alpha_s(m_Z)$ is performed on available $e^+e^-$ data for the heavy jet mass distribution. The state-of-the-art theory prediction includes $\mathcal{O}(\alpha_s^3)$ fixed-order results, N$^3$LL$^\prime$ dijet resummation,…

High Energy Physics - Phenomenology · Physics 2026-05-05 Miguel A. Benitez , Arindam Bhattacharya , Andre H. Hoang , Vicent Mateu , Matthew D. Schwartz , Iain W. Stewart , Xiaoyuan Zhang

We report work on the matching of the next-to-leading logarithmic approximation (NLLA) onto the fixed next-to-next-to-leading order (NNLO) calculation for event shape variables in electron-positron annihilation. The correction of the…

High Energy Physics - Phenomenology · Physics 2008-10-21 T. Gehrmann , G. Luisoni , H. Stenzel

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

We introduce a novel grooming procedure, which is an extension of the modified MassDrop tagging algorithm, tailored to the needs of deep inelastic scattering (DIS). The new algorithm, which grooms the event as a whole, takes advantage of…

High Energy Physics - Phenomenology · Physics 2021-03-10 Yiannis Makris

Linear and non-linear QCD evolutions at high energy suffer from severe issues related to convergence, due to higher order corrections enhanced by large double and single transverse logarithms. We resum double logarithms to all orders by…

High Energy Physics - Phenomenology · Physics 2015-09-29 E. Iancu , J. D. Madrigal , A. H. Mueller , G. Soyez , D. N. Triantafyllopoulos

We obtain a prediction for the hadron-collider event-shape variable transverse thrust in which the terms enhanced in the dijet limit are resummed to next-to-next-to-leading logarithmic accuracy. Our method exploits universality properties…

High Energy Physics - Phenomenology · Physics 2016-04-11 Thomas Becher , Xavier Garcia i Tormo , Jan Piclum

The requirement of a large pseudo-rapidity gap to select diffractive DIS events at HERA restricts the kinematically accessible region of phase space for a significant range of $Q^2$, $\beta$ and $\xpom$. Consequences of this include a…

High Energy Physics - Phenomenology · Physics 2009-10-31 J Williams

We address the problem of resumming leading clustering logs in QCD jet observables defined using the k_t, CA and SISCone algorithms. We specifically choose the jet mass distribution as an example and calculate up to order(alpha_s^4)…

High Energy Physics - Phenomenology · Physics 2013-06-25 Yazid Delenda , Kamel Khelifa-Kerfa

Humans are very good at optimizing solutions for specific problems. Biological processes, on the other hand, have evolved to handle multiple constrained distributed environments and so they are robust and adaptable. Inspired by observations…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-03-19 Yehuda Afek , Noga Alon , Ziv Bar-Joseph

The precise knowledge of parton distribution functions (PDFs) is indispensable to the accurate calculation of hadron-initiated QCD hard scattering observables. Much of our information on PDFs is extracted by comparing deep inelastic…

High Energy Physics - Phenomenology · Physics 2013-10-03 David Westmark

This talk discusses the power behaved corrections to fragmentation functions for the current jet in non-singlet deep inelastic scattering. These corrections are estimated by means of a renormalon model using a dispersive approach. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mrinal Dasgupta

Topological event detection allows for the distributed computation of homology by focusing on local changes occurring in a network over time. In this paper, a model for the monitoring of topological events in dynamically changing regions…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-15 Vincent Knapps , Karl-Heinz Zimmermann

We present a Direct Statistical Simulation (DSS) of jet formation on a \beta-plane, solving for the statistics of a fluid flow via an expansion in cumulants. Here we compare an expansion truncated at second order (CE2) to statistics…

Fluid Dynamics · Physics 2013-03-07 Steven Tobias , Brad Marston

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

We compare different next-to-leading order calculations of jet cross sections in deep-inelastic scattering as implemented in the programs DISASTER++, DISENT, JETVIP and MEPJET. In all phase space regions under study DISENT and DISASTER++…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Duprel , Th. Hadig , N. Kauer , M. Wobisch

This summary of the working group 2 of DIS 2000 encompasses experimental and theoretical results of jet physics, open and bound state heavy flavour production, prompt photon production, next-to-leading order QCD calculations and beyond,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert Blair , Günter Grindhammer , Michael Klasen , Michael Krämer

We extend the class of factorization theorems for non-global observables from fixed angular constraints to cross sections defined in terms of sequential jet clustering. The associated hard and soft functions depend not only on the…

High Energy Physics - Phenomenology · Physics 2023-10-02 Thomas Becher , Jürg Haag

The Laser Interferometer Space Antenna (LISA) will play a vital role in constraining the origin and evolution of massive black holes throughout the Universe. In this study we use a waveform model (IMRPhenomXPHM) that includes both…

General Relativity and Quantum Cosmology · Physics 2023-07-28 Geraint Pratten , Patricia Schmidt , Hannah Middleton , Alberto Vecchio

High statistics measurements of the diffractive reduced cross section $\sigma_r^D$ from the H1 collaboration are presented which make use of two different experimental methods to achieve the largest possible coverage of the kinematic phase…

High Energy Physics - Experiment · Physics 2013-11-05 Alice Valkárová