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Achieving the highest possible precision for theoretical predictions at the present and future high-energy lepton and hadron colliders requires a precise determination of fragmentation functions (FFs) of light and heavy charged hadrons from…

High Energy Physics - Phenomenology · Physics 2021-04-07 Maryam Soleymaninia , Muhammad Goharipour , Hamzeh Khanpour , Hubert Spiesberger

We present NNFF1.1h, a new determination of unidentified charged-hadron fragmentation functions (FFs) and their uncertainties. Experimental measurements of transverse-momentum distributions for charged-hadron production in…

High Energy Physics - Phenomenology · Physics 2019-02-22 The NNPDF Collaboration , Valerio Bertone , Nathan P. Hartland , Emanuele R. Nocera , Juan Rojo , Luca Rottoli

We revisit the description of pion production in proton-proton collisions in the light of the very precise data taken at the Large Hadron Collider (LHC) over the past decade. First attempts to include LHC results in next-to-leading order…

High Energy Physics - Phenomenology · Physics 2022-02-23 Ignacio Borsa , Daniel de Florian , Rodolfo Sassot , Marco Stratmann

Hadron production in lepton-proton scattering (semi-inclusive deep inelastic scattering, SIDIS) probes the structure of hadrons at a higher level of detail than fully inclusive processes. A wealth of SIDIS data is available especially from…

High Energy Physics - Phenomenology · Physics 2024-08-19 Leonardo Bonino , Thomas Gehrmann , Markus Löchner , Kay Schönwald , Giovanni Stagnitto

In this paper, we present ${\tt SGK18}$ FFs, a first global QCD analysis of parton-to-{\it unidentified} charged hadrons fragmentation functions (FFs) at next-to-next-to-leading order (NNLO) accuracy in perturbative QCD. This analysis is…

High Energy Physics - Phenomenology · Physics 2018-10-04 Maryam Soleymaninia , Muhammad Goharipour , Hamzeh Khanpour

The one-particle inclusive cross section in deeply inelastic lepton--nucleon scattering, expressed in terms of parton densities and fragmentation functions being differential in the invariant mass of the observed hadron and of the incoming…

High Energy Physics - Phenomenology · Physics 2009-10-28 Dirk Graudenz

The description of the polarized quark hadronization process is one of the most challenging problems in the physics of strong interactions. The various single hadron and dihadron fragmentation functions, that quantify this process, are…

High Energy Physics - Phenomenology · Physics 2019-07-22 Aram Kotzinian , Hrayr H. Matevosyan , Anthony W. Thomas

In this paper, we present a QCD analysis to extract the Fragmentation Functions (FFs) of unidentified light charged hadron entitled as SHK22.h from high-energy lepton-lepton annihilation and lepton-hadron scattering data sets. This analysis…

High Energy Physics - Phenomenology · Physics 2022-07-05 Maryam Soleymaninia , Hadi Hashamipour , Hamzeh Khanpour

We calculate the inclusive production of charged hadrons in $\pbp$ collisions to next-to-leading order (NLO) in the QCD improved parton model using a new set of NLO fragmentation functions for charged pions and kaons. We predict…

High Energy Physics - Phenomenology · Physics 2016-09-01 F. M. Borzumati , G. Kramer

The NLO-QCD correction to single hadron production in deep inelastic scattering is calculated. We require the final state meson to carry a non-vanishing transversal momentum, thus being sensitive to perturbative QCD effects. Factorization…

High Energy Physics - Phenomenology · Physics 2017-08-23 M. Maniatis

A next-to-leading order (NLO) analysis of hadron-jet momentum correlations in p-p collisions at the LHC is carried out. We show that the inclusive charged hadron momentum distributions inside jets is a very sensitive observable which allows…

High Energy Physics - Phenomenology · Physics 2015-06-18 Francois Arleo , Michel Fontannaz , Jean-Philippe Guillet , Chi Linh Nguyen

In this talk I present a review on the theoretical status of polarized fragmentation functions and the prospects for conceivable future semi-inclusive deep-inelastic scattering and proton-proton collision experiments to measure them.

High Energy Physics - Phenomenology · Physics 2009-10-31 Daniel de Florian

We present new sets of fragmentation functions for charged pions and kaons, both at leading and next-to-leading order. They are fitted to TPC data taken at energy $\sqrt s=29$~GeV and describe excellently a wealth of other $e^+e^-$ data on…

High Energy Physics - Phenomenology · Physics 2009-10-28 J. Binnewies , B. A. Kniehl , G. Kramer

We perform a comprehensive study within quantum chromodynamics (QCD) of dihadron observables in electron-positron annihilation, semi-inclusive deep-inelastic scattering, and proton-proton collisions, including recent cross section data from…

High Energy Physics - Phenomenology · Physics 2024-03-01 C. Cocuzza , A. Metz , D. Pitonyak , A. Prokudin , N. Sato , R. Seidl

The inclusive spectra of charged particles measured at high transverse momenta ($p_T\gtrsim$2GeV/c) in proton-proton and proton-antiproton collisions in the range of center-of-mass energies $\sqrt{s}=200-7000$GeV are compared with…

High Energy Physics - Phenomenology · Physics 2015-06-17 David d'Enterria , Kari J. Eskola , Ilkka Helenius , Hannu Paukkunen

In this work, we study the constraining power of future lepton colliders on fragmentation functions (FFs) to light charged hadrons from quarks and gluon in the framework of QCD collinear factorization. We perform analyses of FFs at NLO by…

High Energy Physics - Phenomenology · Physics 2025-02-26 Bin Zhou , Jun Gao

Ordinary fracture functions, describing hadrons production in the deep inelastic scattering target fragmentation region, are generalized to account for the production of hadrons in arbitrary number, thus offering a renewed framework for…

High Energy Physics - Phenomenology · Physics 2008-11-26 Federico A. Ceccopieri , Luca Trentadue

We investigate the properties of interference fragmentation functions arising from the emission of two leading hadrons inside the same jet for semi-inclusive lepton-nucleon deep-inelastic scattering. Using an extended spectator model we…

High Energy Physics - Phenomenology · Physics 2007-05-23 Marco Radici

We present new functional form of pion and kaon fragmentation functions up to next-to-leading order obtained through a global fit to single-inclusive electron-positron annihilation data and also employ, the semi-inclusive deep inelastic…

High Energy Physics - Phenomenology · Physics 2019-03-08 M. Soleymaninia , A. N. Khorramian , S. M. Moosavi Nejad , F. Arbabifar

We present a novel global QCD analysis of charged $D^{*}$-meson fragmentation functions at next-to-leading order accuracy. This is achieved by making use of the available data for single-inclusive $D^{*}$-meson production in…

High Energy Physics - Phenomenology · Physics 2017-09-06 Daniele P. Anderle , Tom Kaufmann , Felix Ringer , Marco Stratmann , Ivan Vitev