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

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We complete our study of resummed event-shape distributions in DIS by presenting results for the class of observables that includes the current jet mass, the C-parameter and the thrust with respect to the current-hemisphere thrust axis. We…

High Energy Physics - Phenomenology · Physics 2009-11-07 Mrinal Dasgupta , Gavin P. Salam

Resummed results are discussed for DIS event shape variable distributions involving the thrust defined using the thrust axis of the current hemisphere, the C parameter and the jet mass. The resummation of these variables requires the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mrinal Dasgupta , Hans-Ulrich Martyn

We calculate the leading and next-to-leading logarithmic resummed distribution for the jet broadening in deep inelastic scattering, as well as the power correction for both the distribution and mean value. A truncation of the answer at NLL…

High Energy Physics - Phenomenology · Physics 2011-09-13 M. Dasgupta , G. P. Salam

We present preliminary results on the resummation of leading and next-to-leading logarithms for the thrust distribution in deep inelastic scattering. Our predictions, expanded to O(alpha_s^2), are compared to corresponding results from the…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. Antonelli , M. Dasgupta , G. P. Salam

We predict cross sections in deep inelastic scattering (DIS) for the production of two jets---one along the proton beam direction created by initial state radiation (ISR) and another created by final state radiation after the hard…

High Energy Physics - Phenomenology · Physics 2013-09-12 Daekyoung Kang , Christopher Lee , Iain W. Stewart

We present results for the complete NNLL+NLO (~ \alpha_s) 1-jettiness (\tau_1) event shape distribution for single jet (J) production in electron-nucleus (N_A) collisions e^- + N_A \to e^- + J + X, in the deep inelastic scattering (DIS)…

High Energy Physics - Phenomenology · Physics 2014-07-30 Zhong-Bo Kang , Xiaohui Liu , Sonny Mantry

This article introduces definitions for a number of new event shapes and jet-rates in hadron-hadron dijet production. They are designed so as to be measurable in practice at the Tevatron and the LHC, and to be global so that they can be…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andrea Banfi , Gavin P. Salam , Giulia Zanderighi

We compute cross sections for two-jet production in deep inelastic scattering (DIS), with one jet from initial state radiation (ISR) and the other from final state radiation, with a summation of large logarithms up to…

High Energy Physics - Phenomenology · Physics 2013-08-22 Daekyoung Kang , Christopher Lee , Iain W. Stewart

We present predictions for the DIS 1-jettiness event shape $\tau_1^b$, or DIS thrust, using the framework of Soft Collinear Effective Theory (SCET) for factorization, resummation of large logarithms, and rigorous treatment of…

High Energy Physics - Phenomenology · Physics 2025-09-17 June-Haak Ee , Daekyoung Kang , Christopher Lee , Iain W. Stewart

We present results for the $\tau_1$ and $\tau_{1a}$ 1-Jettiness global event shape distributions, for Deep Inelastic Scattering (DIS), at the N$^3$LL + ${\cal O}(\alpha_s^2)$ level of accuracy. These event-shape distributions quantify and…

High Energy Physics - Phenomenology · Physics 2024-08-01 Haotian Cao , Zhong-Bo Kang , Xiaohui Liu , Sonny Mantry

Complete next-to leading order QCD predictions for (2+1) jet cross sections and jet rates in deep inelastic scattering (DIS) based on a new parton level Monte Carlo program are presented. All relevant helicity contributions to the total…

High Energy Physics - Phenomenology · Physics 2009-10-28 T. Brodkorb , E. Mirkes

We present an analytic $\mathcal O(\alpha_s)$ calculation of cross sections in deep inelastic scattering (DIS) dependent on an event shape, 1-jettiness, that probes final states with one jet plus initial state radiation. This is the first…

High Energy Physics - Phenomenology · Physics 2015-06-22 Daekyoung Kang , Christopher Lee , Iain W. Stewart

We present results for matched distributions of a range of dijet event shapes at hadron colliders, combining next-to-leading logarithmic (NLL) accuracy in the resummation exponent, next-to-next-to leading logarithmic (NNLL) accuracy in its…

High Energy Physics - Phenomenology · Physics 2014-11-20 Andrea Banfi , Gavin P. Salam , Giulia Zanderighi

In this paper, we calculate the resummed jet mass distribution up to next-to-leading logarithmic accuracy for jets defined with the trimming groomer in Z+jet events at the LHC. We compute at fixed order and to all orders the large…

High Energy Physics - Phenomenology · Physics 2025-01-03 Safa Gaid , Yazid Delenda , Rachik Soualah

The possibility to reanalyse data taken by the HERA experiments offers the chance to study modern QCD jet and event-shape observables in deep-inelastic scattering production. In this contribution we present resummed and matched predictions…

High Energy Physics - Phenomenology · Physics 2024-07-03 Max Knobbe , Daniel Reichelt , Steffen Schumann , Leon Stöcker

We review the work discussed and developed under the topic ``Resummation'' at Working Group 2 ``Multijet final states and energy flow'', of the HERA-LHC Workshop. We emphasise the role played by HERA observables in the development of…

High Energy Physics - Phenomenology · Physics 2016-09-06 A. Banfi , G. Corcella , M. Dasgupta , Y. Delenda , G. P. Salam , G. Zanderighi

We present the first calculation of inclusive jet production in deep-inelastic scattering with approximate next-to-next-to-leading order (aNNLO) contributions, obtained from a unified threshold resummation formalism. The leading…

High Energy Physics - Phenomenology · Physics 2015-11-04 T. Biekötter , M. Klasen , G. Kramer

We report on recent progress towards quantitative phenomenology of small x resummation of deep-inelastic structure functions. We compute small x resummed K-factors with realistic PDFs and estimate their impact in the HERA kinematical…

High Energy Physics - Phenomenology · Physics 2009-07-03 Juan Rojo , Guido Altarelli , Richard D. Ball , Stefano Forte

We present an innovative method to resum infrared and collinear logarithms appearing in distributions of jet observables in QCD. The method, based on a general master formula with applicability conditions, allows resummations at…

High Energy Physics - Phenomenology · Physics 2007-05-23 Giulia Zanderighi

We calculate the resummed distributions for the thrust in DIS in the limit T->1. Two variants of the thrust are considered: that normalised to Q/2, and that normalised to the energy in the current hemisphere. The results expanded to second…

High Energy Physics - Phenomenology · Physics 2014-11-17 Vito Antonelli , Mrinal Dasgupta , Gavin P. Salam
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