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相关论文: MiNNLO$_{\rm PS}$: Optimizing $2\to 1$ hadronic pr…

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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…

高能物理 - 唯象学 · 物理学 2025-02-03 Pratixan Sarmah , Andrzej Siódmok , James Whitehead

We present the precision predictions on the pair production of light, $CP$-even Higgs in weak vector boson fusion (VBF) up to the QCD next-to-next-to-leading-order (NNLO) at hadron colliders within the $CP$-conserving type-II…

高能物理 - 唯象学 · 物理学 2015-02-11 Li Wei-Hua , Zhang Ren-You , Ma Wen-Gan , Guo Lei , Ling Liu-Sheng , Li Xiao-Zhou

We present the first complete calculation of hadron production in deep-inelastic scattering (DIS) at finite transverse momentum to next-to-next-to-leading order (NNLO) in perturbative QCD. To overcome the long-standing challenge of infrared…

高能物理 - 唯象学 · 物理学 2026-02-27 Liang Dong , Shen Fang , Jun Gao , Hai Tao Li , Ding Yu Shao , Yu Jiao Zhu

Extending previous work on the predictions for the production of supersymmetric (SUSY) particles at the LHC, we present the fully differential calculation of the next-to-leading order (NLO) SUSY-QCD corrections to the production of squark…

高能物理 - 唯象学 · 物理学 2015-06-22 Ryan Gavin , Christian Hangst , Michael Krämer , Margarete Mühlleitner , Mathieu Pellen , Eva Popenda , Michael Spira

We present precise predictions for Higgs boson production in association with a jet. Our calculation is accurate to next-to-next-to-leading order (NNLO) QCD in the Higgs Effective Field Theory and constitutes the first complete NNLO…

高能物理 - 唯象学 · 物理学 2015-08-26 Radja Boughezal , Fabrizio Caola , Kirill Melnikov , Frank Petriello , Markus Schulze

We present the resummed predictions for inclusive cross section for the production of Higgs boson at next-to-next-to leading logarithmic ($\rm \overline {NNLL}$) accuracy taking into account both soft-virtual ($\rm SV$) and next-to SV ($\rm…

高能物理 - 唯象学 · 物理学 2022-09-21 A. H. Ajjath , Pooja Mukherjee , V. Ravindran , Aparna Sankar , Surabhi Tiwari

We present the calculation of scalar and pseudoscalar Higgs production in association with a top-antitop pair to the next-to-leading order (NLO) accuracy in QCD, interfaced with parton showers according to the MC@NLO formalism. We apply our…

高能物理 - 唯象学 · 物理学 2011-07-06 Rikkert Frederix , Stefano Frixione , Valentin Hirschi , Fabio Maltoni , Roberto Pittau , Paolo Torrielli

We report on the computation of the angle-between-leptons distribution in Drell-Yan processes. More precisely we study the recently introduced variable phi*, which provides us with a more accurate probe of the low Q_T domain of Z boson…

高能物理 - 唯象学 · 物理学 2011-07-04 Simone Marzani , Andrea Banfi , Mrinal Dasgupta , Lee Tomlinson

In this paper we present a next-to-next-to-leading order (NNLO) QCD calculation of the processes $pp\rightarrow l^+l^-\gamma$ and $pp\rightarrow \nu\bar\nu\gamma$ that we have implemented in MCFM. Our calculation includes QCD corrections at…

高能物理 - 唯象学 · 物理学 2018-01-17 John M. Campbell , Tobias Neumann , Ciaran Williams

In the framework of the littlest Higgs model with $T$ parity, we study the $W_H/Z_H+q_-$ and $W_H$-pair productions at the CERN Large Hadron Collider up to the QCD next-to-leading order (NLO). The kinematic distributions of final decay…

高能物理 - 唯象学 · 物理学 2014-06-11 Guo Lei , Zhang Ren-You , Ma Wen-Gan

We calculate the fully differential next-to-next-to-leading order (NNLO) QCD corrections to vector-boson fusion (VBF) Higgs pair production. This calculation is achieved in the limit in which there is no colored cross-talk between the…

高能物理 - 唯象学 · 物理学 2019-05-08 Frédéric A. Dreyer , Alexander Karlberg

The calculation of NLO QCD corrections to the $t\bar{t}\to W^{+}W^{-}b\bar{b}\to e^{+}\nu_e \mu^{-}\bar{\nu}_{\mu}b\bar{b}$ process with complete off-shell effects, is briefly summarized. Besides the total cross section and its scale…

高能物理 - 唯象学 · 物理学 2011-11-24 Malgorzata Worek

We report the results of a computation of the full next-to-leading order QCD corrections to the production of two $b\bar{b}$ pairs at the LHC. This calculation at the parton level provides predictions for well separated $b$-jets. The…

高能物理 - 唯象学 · 物理学 2011-09-29 Nicolas Greiner , Alberto Guffanti , Thomas Reiter , Jürgen Reuter

We present an event-file format for the dissemination of next-to-leading-order (NLO) predictions for QCD processes at hadron colliders. The files contain all information required to compute generic jet-based infrared-safe observables at…

高能物理 - 唯象学 · 物理学 2015-06-17 Z. Bern , L. J. Dixon , F. Febres Cordero , S. Hoeche , H. Ita , D. A. Kosower , D. Maitre

An MC@NLO-like matching of NLO QCD calculations with the Nagy-Soper parton shower is briefly summarised. Uncertainties and ambiguities of the matching scheme are shortly discussed. A few results for the pp -> ttj + X production process at…

高能物理 - 唯象学 · 物理学 2016-02-03 Michal Czakon , Heribertus B. Hartanto , Manfred Kraus , Malgorzata Worek

We present a method for very fast repeated computations of higher-order cross sections in hadron-induced processes for arbitrary parton density functions. A full implementation of the method for computations of jet cross sections in…

高能物理 - 唯象学 · 物理学 2017-08-23 T. Kluge , K. Rabbertz , M. Wobisch

The production cross section for pseudo-scalar Higgs bosons at hadron colliders is computed at next-to-next-to-leading order (NNLO) in QCD. The pseudo-scalar Higgs is assumed to couple only to top quarks. The NNLO effects are evaluated…

高能物理 - 唯象学 · 物理学 2011-01-13 Robert V. Harlander , William B. Kilgore

I present applications of a master formula for next-to-next-to-leading order soft and virtual QCD corrections to various electroweak, Higgs, and supersymmetric processes. They include Drell-Yan and charged Higgs production, single-top…

高能物理 - 唯象学 · 物理学 2007-05-23 Nikolaos Kidonakis

We calculate, for the first time, the next-to-next-to leading order (NNLO) QCD corrections to spin correlations in top quark pair production at the LHC. The NNLO corrections play an important role in the description of the corresponding…

高能物理 - 唯象学 · 物理学 2019-08-28 Arnd Behring , Michal Czakon , Alexander Mitov , Andrew S. Papanastasiou , Rene Poncelet

We present an NNLO-compatible subtraction scheme for computing QCD jet cross sections of hadron-initiated processes at NLO accuracy. The scheme is constructed specifically with those complications in mind, that emerge when extending the…

高能物理 - 唯象学 · 物理学 2009-12-04 Gabor Somogyi
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