English
Related papers

Related papers: Jettiness formulation of the MINNLO$_{\text{PS}}$ …

200 papers

We present precise predictions for four-lepton plus jets production at the LHC obtained within the fully automated Sherpa+OpenLoops framework. Off-shell intermediate vector bosons and related interferences are consistently included using…

High Energy Physics - Phenomenology · Physics 2015-06-17 Fabio Cascioli , Stefan Hoeche , Frank Krauss , Philipp Maierhofer , Stefano Pozzorini , Frank Siegert

We present methods to achieve NLL+NLO accurate parton showering for processes with two coloured legs: neutral- and charged-current Drell-Yan, and Higgs production in $pp$ collisions, as well as DIS and $e^+e^-$ to jets. The methods include…

We present predictions for Higgs production via gluon fusion with a p_T veto on jets and with the resummation of jet-veto logarithms at NNLL'+$NNLO order. These results incorporate explicit O(alphas^2) calculations of soft and beam…

High Energy Physics - Phenomenology · Physics 2014-03-12 Iain W. Stewart , Frank J. Tackmann , Jonathan R. Walsh , Saba Zuberi

We present a next-to-next-to-leading order accurate description of Drell-Yan lepton pair production processes through $\gamma^*/Z$ or $W$ exchange that includes consistently parton shower effects. Results are obtained by upgrading the…

High Energy Physics - Phenomenology · Physics 2015-06-22 Alexander Karlberg , Emanuele Re , Giulia Zanderighi

Calculations for processes involving a high multiplicity of coloured particles often employ a leading colour approximation, where only the leading terms in the expansion of the number of colours $N_c$ and the number of flavours $n_f$ are…

High Energy Physics - Phenomenology · Physics 2022-09-21 X. Chen , T. Gehrmann , E. W. N. Glover , A. Huss , J. Mo

We present a general method to match fully differential next-to-next-to-leading (NNLO) calculations to parton shower programs. We discuss in detail the perturbative accuracy criteria a complete NNLO+PS matching has to satisfy. Our method is…

High Energy Physics - Phenomenology · Physics 2015-06-17 Simone Alioli , Christian W. Bauer , Calvin Berggren , Frank J. Tackmann , Jonathan R. Walsh , Saba Zuberi

We present the implementation of several color-singlet final-state processes at Next-to-Next-to Leading Order (NNLO) accuracy in QCD to the publicly available parton-level Monte Carlo program MCFM. Specifically we discuss the processes…

High Energy Physics - Phenomenology · Physics 2017-02-01 Radja Boughezal , John M. Campbell , R. Keith Ellis , Christfried Focke , Walter Giele , Xiaohui Liu , Frank Petriello , Ciaran Williams

We discuss the GENEVA Monte Carlo framework, which combines higher-order resummation (NNLL) of large Sudakov logarithms with multiple next-to-leading-order (NLO) matrix-element corrections and parton showering (using PYTHIA8) to give a…

We present the computation of Higgs boson plus one jet production at NNLO at the LHC. The computation is carried out in the heavy-top-quark approximation and using the antenna subtraction formalism to handle the IR divergent structure of…

High Energy Physics - Phenomenology · Physics 2016-04-15 Xuan Chen , Thomas Gehrmann , Nigel Glover , Matthieu Jaquier

We describe a number of improvements to the GENEVA method for matching NNLO calculations to parton shower programs. In particular, we detail changes to the resummed calculation used in the matching procedure, including disentangling the…

We present a next-to-next-to-leading order accurate description of associated HW production consistently matched to a parton shower. The method is based on reweighting events obtained with the HW plus one jet NLO accurate calculation…

High Energy Physics - Phenomenology · Physics 2016-07-20 William Astill , Wojciech Bizon , Emanuele Re , Giulia 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

Using the technology of the CAESAR approach to resummation, we examine the jet-veto efficiency in Higgs-boson and Drell-Yan production at hadron colliders and show that at next-to-leading logarithmic (NLL) accuracy the resummation reduces…

High Energy Physics - Phenomenology · Physics 2015-06-04 Andrea Banfi , Gavin P. Salam , Giulia Zanderighi

We present the high-precision result for the zero-jettiness soft function at next-to-next-to-next-to-leading order (N3LO) in perturbative QCD. At this perturbative order, the soft function is the last missing ingredient required for the…

High Energy Physics - Phenomenology · Physics 2025-05-19 Daniel Baranowski , Maximilian Delto , Kirill Melnikov , Andrey Pikelner , Chen-Yu Wang

We derive the leading-power singular terms at three loops for both $q_T$ and 0-jettiness, $\cal{T}_0$, for generic color-singlet processes. Our results provide the complete set of differential subtraction terms for $q_T$ and $\cal{T}_0$…

High Energy Physics - Phenomenology · Physics 2021-02-18 Georgios Billis , Markus A. Ebert , Johannes K. L. Michel , Frank J. Tackmann

Matched calculations combining perturbative QCD with parton showers are an indispensable tool for LHC physics. Two methods for NLO matching are in widespread use: MC@NLO and POWHEG. We describe an alternative, KrkNLO, reformulated to be…

High Energy Physics - Phenomenology · Physics 2025-02-03 Pratixan Sarmah , Andrzej Siódmok , James Whitehead

We propose the use of 1-jettiness, a global event shape, for exclusive single jet production in lepton-nucleus deep inelastic scattering (DIS). We derive a factorization formula, using the Soft-Collinear Effective Theory, differential in…

High Energy Physics - Phenomenology · Physics 2014-01-13 Zhong-Bo Kang , Xiaohui Liu , Sonny Mantry , Jian-Wei Qiu

We present the implementation of next-to-next-to-leading order (NNLO) QCD fully-differential corrections within the GENEVA framework, for both colour-singlet and colour-singlet+jet processes at hadron colliders, by employing a nonlocal…

High Energy Physics - Phenomenology · Physics 2025-04-16 Simone Alioli , Georgios Billis , Alessandro Broggio , Giovanni Stagnitto

We present a subtraction method utilizing the N-jettiness observable, Tau_N, to perform QCD calculations for arbitrary processes at next-to-next-to-leading order (NNLO). Our method employs soft-collinear effective theory (SCET) to determine…

High Energy Physics - Phenomenology · Physics 2015-09-29 Jonathan Gaunt , Maximilian Stahlhofen , Frank J. Tackmann , Jonathan R. Walsh

We consider the class of inclusive hadron collider processes in which one or more energetic jets are produced, possibly accompanied by colourless particles. We provide a general formulation of a slicing scheme for this class of processes,…

High Energy Physics - Phenomenology · Physics 2024-05-15 Luca Buonocore , Massimiliano Grazzini , Jürg Haag , Luca Rottoli , Chiara Savoini