English
Related papers

Related papers: A first extraction of gluon TMDs from Higgs data a…

200 papers

We combine soft and collinear matrix elements to define transverse momentum dependent parton distributions (TMDs) for gluons, free from rapidity divergences. We establish a factorization theorem at next-to-leading order for the Higgs boson…

High Energy Physics - Phenomenology · Physics 2015-08-12 Tomas Kasemets

J/psi-pair production at the LHC is currently one of the few tools available to probe gluon transverse momentum distributions (TMDs). In this context, data from LHCb in the collider mode have the potential to probe the evolution of the…

High Energy Physics - Phenomenology · Physics 2024-03-04 Alice Colpani Serri , Jelle Bor , Daniel Boer , Jean-Philippe Lansberg

We calculate the small-b (or large-qT) matching of transverse momentum dependent (TMD) distribution for linearly polarized gluons to the integrated gluon distributions at the next-to-next-to-leading order (NNLO). This is the last missing…

High Energy Physics - Phenomenology · Physics 2020-01-08 Daniel Gutierrez-Reyes , Sergio Leal-Gomez , Ignazio Scimemi , Alexey Vladimirov

We provide the proper definition of all the leading-twist (un)polarized gluon transverse momentum dependent parton distribution functions (TMDPDFs), by considering the Higgs boson transverse momentum distribution in hadron-hadron collisions…

High Energy Physics - Phenomenology · Physics 2017-08-10 Miguel G. Echevarria , Tomas Kasemets , Piet J. Mulders , Cristian Pisano

Transverse momentum dependent (TMD) parton distributions in a proton are important in high energy physics from both theoretical and phenomenological points of view. Using the latest RHIC and LHC data on the inclusive soft hadron production…

High Energy Physics - Phenomenology · Physics 2018-09-19 N. A. Abdulov , H. Jung , A. V. Lipatov , G. I. Lykasov , M. A. Malyshev

The effect of the linear polarization of gluons on the transverse momentum distribution in Higgs production is studied within the framework of TMD factorization. For this purpose we consider the TMD evolution for general colorless scalar…

High Energy Physics - Phenomenology · Physics 2015-06-19 Daniel Boer , Wilco J. den Dunnen

We present for first time the computation at large $q_T$ (or small $b_T$) matching coefficients of Transverse Momentum Dependent Parton Distribution Function (TMDPDF) for linearly polarised to the integrated gluon distribution at…

High Energy Physics - Phenomenology · Physics 2019-08-19 Daniel Gutierrez-Reyes , Sergio Leal Gómez , Ignazio Scimemi , Alexey Vladimirov

I report on our investigations into the impact of (un)polarized transverse momentum dependent parton distribution functions (TMD PDFs or TMDs) for gluons at hadron colliders, especially at A Fixed Target Experiment at the LHC (AFTER@LHC).…

High Energy Physics - Phenomenology · Physics 2016-05-25 Andrea Signori

We calculated a differential cross section of the Higgs boson production in the $h\to ZZ^*\to 4\ell$ decay channel within the framework of $k_T$-factorization. Results are obtained using an off-shell matrix element for the $g^*g^*\to h\to…

High Energy Physics - Phenomenology · Physics 2019-03-05 Rashidul Islam , Mukesh Kumar , Vaibhav S. Rawoot

We consider the associated production of $J/\psi$ mesons and muons originating from the $b$-flavored hadron decays and non-prompt double $J/\psi$ production at the LHC using the $k_T$-factorization approach. To describe the inclusive…

High Energy Physics - Phenomenology · Physics 2018-11-14 S. P. Baranov , A. V. Lipatov , M. A. Malyshev

We propose a new analytical expression for the Transverse Momentum Dependent (TMD, or unintegrated) gluon density in the proton. Essential phenomenological parameters are extracted from the LHC data on inclusive hadron production in $pp$…

High Energy Physics - Phenomenology · Physics 2023-02-01 A. V. Lipatov , G. I. Lykasov , M. A. Malyshev

$J/\psi$- or $\Upsilon$-pair production at the LHC are promising processes to study the gluon transverse momentum distributions (TMDs) which remain very poorly known. In this article, we improve on previous results by including the TMD…

High Energy Physics - Phenomenology · Physics 2020-02-26 Florent Scarpa , Daniël Boer , Miguel G. Echevarria , Jean-Philippe Lansberg , Cristian Pisano , Marc Schlegel

We discuss the impact on the study of gluon transverse momentum dependent distributions (TMDs) of the associated production of a lepton pair and a $\Upsilon$ (or a $J/\psi$) in unpolarised proton-proton collisions, $pp\to {\cal Q} \, \ell…

High Energy Physics - Phenomenology · Physics 2017-05-24 Jean-Philippe Lansberg , Cristian Pisano , Marc Schlegel

Transverse momentum dependent parton distributions (TMDs) appear in many scattering processes at high energy, from the semi-inclusive DIS experiments at a few GeV to the Higgs transverse momentum distribution at the LHC. Predictions for TMD…

High Energy Physics - Phenomenology · Physics 2016-03-23 Daniel Boer

Inclusive production of a quarkonium $\eta_{c,b}$ in hadron collisions at low transverse momentum can be used to extract various Transverse-Momentum-Dependent(TMD) gluon distributions of hadrons, provided the TMD factorization for the…

High Energy Physics - Phenomenology · Physics 2016-02-03 J. P. Ma , C. Wang

We consider the associated production of Higgs boson and hadronic jet(s) in $pp$ collisions at the LHC for the first time using the $k_T$-factorization approach. Our analysis is based on the off-shell gluon-gluon fusion subprocess, where…

High Energy Physics - Phenomenology · Physics 2021-05-26 A. V. Lipatov , M. A. Malyshev

We investigate the inclusive Higgs boson production in proton-proton collisions at high energies in the framework of kt-factorization QCD approach. The attention is focused on the dominant off-shell gluon-gluon fusion subprocess, where the…

High Energy Physics - Phenomenology · Physics 2017-08-04 A. V. Lipatov , M. A. Malyshev , N. P. Zotov

We consider Higgs boson production by gluon fusion in hadron collisions. We study the doubly-differential transverse-momentum (q_T) and rapidity (y) distribution of the Higgs boson in perturbative QCD. In the region of small q_T (q_T <<…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Bozzi , S. Catani , D. de Florian , M. Grazzini

We study the unintegrated, or transverse momentum dependent (TMD) gluon distribution obtained from the best description of the LHC data on the inclusive spectra of hadrons produced in the mid-rapidity region and low transverse momenta at…

High Energy Physics - Phenomenology · Physics 2014-01-15 A. V. Lipatov , G. I. Lykasov , N. P. Zotov

We present our study of the differential cross section for the Higgs boson production in $k_T$-factorization framework. The $k_T$-factorization formalism includes a convolution over unintegrated parton distribution functions (uPDF) and…

High Energy Physics - Phenomenology · Physics 2016-11-01 Vaibhav S. Rawoot , Rashidul Islam , Mukesh Kumar
‹ Prev 1 2 3 10 Next ›