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Dihadron Fragmentation Functions (DFF) provide a vast amount of information on the intricate details of the parton hadronization process. Moreover, they provide a unique access to the "clean" extraction of nucleon transversity parton…

高能物理 - 唯象学 · 物理学 2013-12-04 Hrayr H. Matevosyan , Anthony W. Thomas , Wolfgang Bentz

Jets serve as powerful tomographic probes of the quark-gluon plasma (QGP) created in relativistic heavy-ion collisions. While the expanding landscape of jet observables reveals multi-faceted aspects of jet-medium interactions, a precise and…

核理论 · 物理学 2026-02-12 Yichao Dang , Wen-Jing Xing , Shanshan Cao , Guang-You Qin

A measurement of the dijet production cross section is reported based on proton-proton collision data collected in 2016 at $\sqrt{s}$ = 13 TeV by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity of up to 36.3…

高能物理 - 实验 · 物理学 2025-02-03 CMS Collaboration

A machine learning technique is used to fit multiplicity distributions in high-energy proton-proton collisions and applied to make predictions for collisions at higher energies. The method is tested with Monte Carlo event generator events.…

高能物理 - 实验 · 物理学 2021-08-16 E. Shokr , A. De Roeck , M. A. Mahmoud

The antenna subtraction method for NNLO QCD calculations is implemented in the NNLOJET parton-level event generator code to compute jet cross sections and related observables in electron-positron, lepton-hadron and hadron-hadron collisions.…

Centrality-dependent measurements of hadron and jet cross section attenuation in deep inelastic scattering on nuclei can shed new light on the physics of final-state interactions in the nuclear matter, including the path-length dependence…

高能物理 - 唯象学 · 物理学 2023-03-28 Hai Tao Li , Ze Long Liu , Ivan Vitev

Recent jet and jet substructure measurements at the LHC, and of machine-learning-based tagging techniques are presented using proton-proton collision data collected by the ATLAS and CMS experiments at CERN's Large Hadron Collider. These…

高能物理 - 实验 · 物理学 2022-02-10 Meena Meena

The irreducible background from Z(nunu)+jets, to beyond the Standard Model searches at the LHC, can be calibrated using gamma+jets data. The method utilises the fact that at high vector boson pT, the event kinematics are the same for the…

高能物理 - 唯象学 · 物理学 2015-05-28 S. Ask , M. A. Parker , T. Sandoval , M. E. Shea , W. J. Stirling

We describe CIJET1.0, a Fortran program that aiming for the calculation of single-inclusive jet or dijet production cross sections induced by quark contact interactions from new physics at hadron colliders, up to next-to-leading order in…

高能物理 - 唯象学 · 物理学 2015-06-12 Jun Gao

Charged particles production in the electron-positron, pbarp and pp collisions in full phase space as well as in the restricted phase space slices, at high energies are described with predictions from shifted Gompertz distribution, a model…

高能物理 - 唯象学 · 物理学 2018-11-06 R. Chawla , M. Kaur

The global properties of the final states produced in hadronic interactions of protons at centre-of-mass energies of future hadron colliders (such as FCC-hh at CERN, and SppC in China), are studied. The predictions of various Monte Carlo…

高能物理 - 唯象学 · 物理学 2016-09-07 David d'Enterria , Tanguy Pierog

We show that Pomeron interactions generate important corrections to the Gribov-Glauber formula, which is used to extract proton-proton cross sections from proton-air collisions at high energy. We show that these corrections are larger than…

高能物理 - 唯象学 · 物理学 2013-12-25 E. Gotsman , E. Levin , U. Maor

n these proceedings I discuss several recent developments in the physics of heavy flavor jets in heavy ion collisions. i) The dijet mass modification in nucleus-nucleus reactions has been proposed as a new observable with enhanced…

高能物理 - 唯象学 · 物理学 2019-06-25 Ivan Vitev

We investigate a modification of the $k_\perp$-clustering jet algorithm for hadron-hadron collisions, analogous to the ``Cambridge'' algorithm recently proposed for $e^+e^-$ annihilation, in which pairs of objects that are close in angle…

高能物理 - 唯象学 · 物理学 2016-08-25 A. T. Pierce , B. R. Webber

We present version 2.2 of the High Energy Jets (HEJ) Monte Carlo event generator for hadronic scattering processes at high energies. The new version adds support for two further processes of central phenomenological interest, namely the…

Inclusive jet and dijet double-differential cross sections have been measured in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector at the LHC. The cross sections were measured using jets clustered with…

高能物理 - 实验 · 物理学 2012-07-20 Bogdan Malaescu

An analysis of muon and hadron rates observed in the central detector of the KASCADE experiment has been carried out. The data are compared to CORSIKA simulations employing the high-energy hadronic interaction models QGSJET, DPMJET, HDPM,…

天体物理学 · 物理学 2008-11-26 KASCADE Collaboration , T. Antoni , M. Risse

We discuss cross sections for hadron + hadron to 2 jets + anything in which three jet variables are measured. Such cross sections are useful especially for determining parton distributions. We define a new cross section d sigma/dX_A dX_B d…

高能物理 - 唯象学 · 物理学 2009-10-28 Stephen D. Ellis , Davison E. Soper

We study a new physics scenario with two inert and one active scalar doublets, hence a 3-Higgs Doublet Model (3HDM). We impose a $Z_2 \times Z'_2$ symmetry onto such a 3HDM with one inert doublet odd under the $Z_2$ transformation and the…

高能物理 - 唯象学 · 物理学 2023-03-29 Jaime Hernandez-Sanchez , Venus Keus , Stefano Moretti , Dorota Sokolowska

We introduce a new formulation of the diquark breaking mechanism which describes with no free parameters the huge nuclear stopping observed in central nucleus-nucleus collisions. Supplemented, in the dual parton model, with strings…

高能物理 - 唯象学 · 物理学 2009-10-31 A. Capella , E. G. Ferreiro , C. A. Salgado