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Related papers: Multi-jet merging in a variable flavor number sche…

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In this article we present the next-to-leading order QCD predictions for $Wb\bar{b}+n$-jet ($n=0,1,2,3$) production at the Large Hadron Collider with $\sqrt{s}=13$ TeV. We work in the four-flavor number scheme with a non-vanishing…

High Energy Physics - Phenomenology · Physics 2018-02-22 F. R. Anger , F. Febres Cordero , H. Ita , V. Sotnikov

We study heavy-flavor hadron production in high-energy pp collisions, assuming the formation of a small, deconfined and expanding fireball where charm quarks can undergo rescattering and hadronization. We adopt the same in-medium…

High Energy Physics - Phenomenology · Physics 2024-01-04 Andrea Beraudo , Arturo De Pace , Daniel Pablos , Francesco Prino , Marco Monteno , Marzia Nardi

Heavy-flavor jets are powerful tools to gain insight into the in-medium partonic energy-loss mechanisms and the quark-gluon plasma's (QGP) transport properties in high-energy nuclear collisions. In this work we present the first theoretical…

High Energy Physics - Phenomenology · Physics 2023-08-30 Yao Li , Sa Wang , Ben-Wei Zhang

Heavy-quark interactions in the Quark-Gluon Plasma are analyzed in terms of a selfconsistent Brueckner scheme using a thermodynamic $T$-matrix based on a potential model. The interrelations between quarkonium correlators, spectral functions…

Nuclear Theory · Physics 2015-03-18 Ralf Rapp

Measurements in the highly Lorentz-boosted regime provoke increased interest in probing the Higgs boson properties and in searching for particles beyond the standard model at the LHC. In the CMS Collaboration, various boosted-object tagging…

Instrumentation and Detectors · Physics 2025-11-14 CMS Collaboration

We discuss recently proposed observables, sensitive to BFKL dynamics, in the context of multijet production at the large hadron collider (LHC). In particular, we consider ratios of azimuthal angle differences in final states with three…

High Energy Physics - Phenomenology · Physics 2016-03-29 F. Caporale , G. Chachamis , B. Murdaca , A. Sabio Vera

We introduce multi-jet merging for deep inelastic scattering in the Vincia parton shower in the Monte Carlo event generator Pythia 8. Merging combines event samples of different parton multiplicities with logarithmically enhanced…

High Energy Physics - Phenomenology · Physics 2025-06-10 Ilkka Helenius , Joni O. Laulainen , Christian T. Preuss

I give an overview of recent progress in the simulation of final states involving top-quarks and vector bosons pair. First I'll discuss the recently found solutions needed to simulate fully differential top pair production ($pp\to b\bar{b}$…

High Energy Physics - Phenomenology · Physics 2017-04-28 Emanuele Re

We apply the recently proposed flavoured anti-$k_{\text{T}}$ jet algorithm to $Wb\bar{b}$ production at the Large Hadron Collider at $\sqrt{s}=8$ TeV. We present results for the total cross section and differential distributions at the…

High Energy Physics - Phenomenology · Physics 2022-09-08 Heribertus Bayu Hartanto , Rene Poncelet , Andrei Popescu , Simone Zoia

We present a parameter-free scheme to combine fixed-order multi-jet results with parton-shower evolution. The scheme produces jet cross sections with leading-order accuracy in the complete phase space of multiple emissions, resumming large…

High Energy Physics - Phenomenology · Physics 2017-10-11 Nadine Fischer , Stefan Prestel

Heavy-flavour hadrons, containing open or hidden charm and beauty flavours, are considered as hard probes of the quark-gluon plasma (QGP), which is a hot and dense phase state of quantum chromodynamics (QCD) matter. Production of heavy…

High Energy Physics - Experiment · Physics 2020-10-26 Chun-Lu Huang

VBFNLO is a flexible parton level Monte Carlo program for the simulation of vector boson fusion (VBF), QCD-induced single and double vector boson production plus two jets, and double and triple vector boson production (plus jet) in hadronic…

High Energy Physics - Phenomenology · Physics 2024-05-28 J. Baglio , F. Campanario , T. Chen , H. Dietrich-Siebert , T. Figy , M. Kerner , M. Kubocz , L. D. Ninh , M. Löschner , S. Plätzer , M. Rauch , I. Rosario , R. Roth , D. Zeppenfeld

We present a study on using Markov Chain Monte Carlo (MCMC) techniques to explore the high-dimensional and multi-modal phase space of scattering events at high-energy particle colliders. To this end, we combine the BAT.jl package that…

High Energy Physics - Phenomenology · Physics 2024-12-18 Salvatore La Cagnina , Cornelius Grunwald , Timo Janßen , Kevin Kröninger , Steffen Schumann

We propose a new framework to generate the Standard Model (SM) quark flavor hierarchies in the context of two Higgs doublet models (2HDM). The `flavorful' 2HDM couples the SM-like Higgs doublet exclusively to the third quark generation,…

High Energy Physics - Phenomenology · Physics 2018-04-18 Wolfgang Altmannshofer , Stefania Gori , Dean J. Robinson , Douglas Tuckler

Heavy quarks are effective probes of the hot and dense nuclear matter, the quark-gluon plasma, produced in ultra-relativistic heavy-ion collisions. Due to the short time scale characterising their production, heavy quarks experience the…

Nuclear Experiment · Physics 2020-12-07 Fabio Catalano

We apply both cut-based and machine learning techniques using the same inputs to the challenge of hadronic jet substructure recognition, utilizing classical subjettiness variables within the Delphes parameterized detector simulation…

High Energy Physics - Phenomenology · Physics 2024-10-21 Jiří Kvita , Petr Baroň , Monika Machalová , Radek Přívara , Rostislav Vodák , Jan Tomeček

We study the matching of multijet matrix elements and shower evolution in the case of top production in hadronic collisions at the Tevatron and at the LHC. We present the results of the matching algorithm implemented in the ALPGEN Monte…

High Energy Physics - Phenomenology · Physics 2010-10-27 Michelangelo L. Mangano , Mauro Moretti , Fulvio Piccinini , Michele Treccani

We employ an approximate conserved quantum number (defined as "$b$-Parity" in [1]) of the Standard Model (SM): $b_P=(-1)^n$, where $n$ is the number of produced $b$-jets in the reaction $e + p/A \to n \cdot j_b +X$, to explore new TeV-scale…

High Energy Physics - Phenomenology · Physics 2026-01-08 Shaouly Bar-Shalom , Jose Wudka

The main arguments in the discussion of the proper treatment of the total inclusive cross section for bottom-quark associated Higgs-boson production are briefly reviewed. A simple and pragmatic formula for the combination of the so-called…

High Energy Physics - Phenomenology · Physics 2011-12-16 Robert Harlander , Michael Krämer , Markus Schumacher

We investigate how the interference of the SM with ten four-light quark operators in the SMEFT can be constrained thanks to multijet and $Z$, $W$, $\gamma$ VBF production in association with jets. The differential distributions for each…

High Energy Physics - Phenomenology · Physics 2026-05-18 Céline Degrande , Matteo Maltoni