Bibliographies thématiques / Generatori NLO+PS

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Littérature scientifique sur le sujet « Generatori NLO+PS »

Auteur : Grafiati
Publié le 9 mars 2023
Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Generatori NLO+PS"

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Buonocore, Luca, Paolo Nason, and Francesco Tramontano. "Heavy quark radiation in NLO+PS POWHEG generators." European Physical Journal C 78, no. 2 (2018). http://dx.doi.org/10.1140/epjc/s10052-018-5638-y.

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Prestel, Stefan. "Matching N3LO QCD calculations to parton showers." Journal of High Energy Physics 2021, no. 11 (2021). http://dx.doi.org/10.1007/jhep11(2021)041.

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Abstract The search for new interactions and particles in high-energy collider physics relies on precise background predictions. This has led to many advances in combining precise fixed-order cross-section calculations with detailed event generator simulations. In recent years, fixed-order qcd calculations of inclusive cross sections at n3lo precision have emerged, followed by an impressive progress at producing differential results. Once differential results become publicly available, it would be prudent to embed these into event generators to allow the community to leverage these advances. T
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van Beekveld, Melissa, Silvia Ferrario Ravasio, Eva Groenendijk, Peter Krack, Juan Rojo, and Valentina Schütze Sánchez. "A phenomenological analysis of LHC neutrino scattering at NLO accuracy matched to parton showers." European Physical Journal C 84, no. 11 (2024). http://dx.doi.org/10.1140/epjc/s10052-024-13386-1.

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AbstractWe perform a detailed phenomenological study of high-energy neutrino deep inelastic scattering (DIS) focused on LHC far-forward experiments such as FASER$$\nu $$ ν and SND@LHC. To this aim, we parametrise the neutrino fluxes reaching these LHC far-forward experiments in terms of ‘neutrino PDFs’ encoding their energy and rapidity dependence by means of the LHAPDF framework. We integrate these neutrino PDFs in the recently developed POWHEG-BOX-RES implementation of neutrino-induced DIS to produce predictions accurate at next-to-leading order (NLO) in the QCD coupling matched to parton sh
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Pagani, Davide, Timea Vitos, and Marco Zaro. "Improving NLO QCD event generators with high-energy EW corrections." European Physical Journal C 84, no. 5 (2024). http://dx.doi.org/10.1140/epjc/s10052-024-12836-0.

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AbstractIn this work we present a new method for the combination of electroweak (EW) corrections at high energies, the so-called EW Sudakov logarithms (EWSL), and next-to-leading-order QCD predictions matched to parton-shower simulations (NLO+PS). Our approach is based on a reweighting procedure of NLO+PS events. In particular, both events with and without an extra hard emission from matrix elements are consistently reweighted via the inclusion of the corresponding EWSL contribution. We describe the technical details and the implementation in the MadGraph5_aMC@NLO framework. Via a completely a
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Haisch, Ulrich, Luc Schnell, and Stefan Schulte. "Drell-Yan production in third-generation gauge vector leptoquark models at NLO+PS in QCD." Journal of High Energy Physics 2023, no. 2 (2023). http://dx.doi.org/10.1007/jhep02(2023)070.

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Abstract Motivated by the long-standing hints of lepton-flavour non-universality in the b → cℓν and b → sℓ+ℓ− channels, we study Drell-Yan ditau production at the Large Hadron Collider (LHC). In the context of models with third-generation gauge vector leptoquarks (LQs), we calculate the complete $$ \mathcal{O} $$ O (αs) corrections to the pp → τ+τ− process, achieving next-to-leading order (NLO) plus parton shower (NLO+PS) accuracy using the POWHEG method. We provide a dedicated Monte Carlo code that evaluates the NLO QCD corrections on-the-fly in the event generation and use it to study the nu
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Ferrario Ravasio, Silvia, Tomáš Ježo, Paolo Nason, and Carlo Oleari. "Addendum to: A theoretical study of top-mass measurements at the LHC using NLO+PS generators of increasing accuracy." European Physical Journal C 79, no. 10 (2019). http://dx.doi.org/10.1140/epjc/s10052-019-7336-9.

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Abstract This paper is a follow-up of Ref. Ferrario Ravasio et al. (Eur Phys J C 78:458, 2018. arXiv:1801.03944), where we studied the impact of next-to-leading order calculations merged with parton shower generators (NLO+PS) of increasing accuracy in the extraction of the top mass at hadron colliders. Here we examined results obtained with the older (fortran-based) shower generators and . Our findings are in line with what we found in Ref. Ferrario Ravasio et al. (2018) with the new, c++-based, generators and .
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Baldenegro, C., G. Chachamis, M. Kampshoff, et al. "Multijet event shape variables for Mueller-Navelet jet topologies." Physical Review D 110, no. 11 (2024). https://doi.org/10.1103/physrevd.110.114027.

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This paper presents a new set of multijet event shape variables introduced to further understand the Mueller-Navelet jet topology. This topology consists of having at least one pair of jets with a very large rapidity separation between them, treating additional jet activity inclusively. This multijet topology is expected to shed light on the radiation pattern that is expected in the high-energy limit of the strong interaction. The paper relies on a Monte Carlo event generator analysis. One set of predictions uses the ex event generator, which is based on Balitsky-Fadin-Kuraev-Lipatov (BFKL) pe
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Buonocore, Luca, Giovanni Limatola, Paolo Nason, and Francesco Tramontano. "An event generator for Lepton-Hadron deep inelastic scattering at NLO+PS with POWHEG including mass effects." Journal of High Energy Physics 2024, no. 8 (2024). http://dx.doi.org/10.1007/jhep08(2024)083.

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Abstract We present a generator for lepton nucleon collisions in the DIS regime, focusing in particular on processes with a massive lepton and/or a massive quark in the final state. We have built a full code matching NLO QCD corrections to parton shower Monte Carlo programs in the POWHEG-BOX framework. Our code can be used to compute NLO+PS accurate fully differential predictions for neutral current and charged current processes, including processes with an incoming tau neutrino, and/or including charm quarks in the final state. We also made comparisons with available data and predictions for
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Ferrario Ravasio, Silvia, Tomáš Ježo, Paolo Nason, and Carlo Oleari. "A theoretical study of top-mass measurements at the LHC using NLO+PS generators of increasing accuracy." European Physical Journal C 78, no. 6 (2018). http://dx.doi.org/10.1140/epjc/s10052-018-5909-7.

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Lelek, Aleksandra. "Towards precise collider predictions: the Parton Branching method." Suplemento de la Revista Mexicana de Física 3, no. 3 (2022). http://dx.doi.org/10.31349/suplrevmexfis.3.0308102.

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The collinear factorization theorem, combined with finite-order calculations in perturbative QCD, provides a powerful framework to obtain predictions for many collider observables. However, for observables which involve multiple energy scales, transverse degrees of freedom cannot be neglected, and finite-order perturbative calculations have to be combined with resummed calculations to all orders in the QCD running coupling in order to obtain reliable theoretical predictions, capable of describing experimental measurements. This is traditionally done either by analytic resummation methods or by
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Thèses sur le sujet "Generatori NLO+PS"

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ROCCO, MARCO. "Power corrections in a transverse-momentum cut for colour-singlet production at NLO and NNLO in QCD." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2021. http://hdl.handle.net/10281/301980.

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La tesi si occupa delle correzioni di potenza calcolate su un parametro-soglia di momento trasverso che interessano calcoli perturbativi di ordine superiore nella costante di accoppiamento forte. In particolare, si impone un parametro-soglia di momento trasverso, qt_cut, su uno stato finale bianco e si calcolano le correzioni di potenza sul parametro-soglia, fino alla quarta potenza, per la sezione d'urto inclusiva al primo ordine sottodominante in QCD. Inoltre, si considera lo stesso processo al secondo ordine sottodominante in QCD, limitandosi al contributo reale-virtuale, e si calcolano le
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