English
Related papers

Related papers: Unintegrated parton densities applied to heavy qua…

200 papers

The application of k_t-factorization supplemented with the CCFM small-x evolution equation to heavy quark production at the TEVATRON and at HERA is discussed. The bb_bar production cross sections at the TEVATRON can be consistently…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. Jung

The application of k_t - factorization, supplemented with the CCFM small-x evolution equation, to heavy quark production is discussed. Differential cross sections of b-b_bar production and also inelastic J/psi production as measured at HERA…

High Energy Physics - Phenomenology · Physics 2017-08-23 H. Jung

We consider the processes of compare the heavy quark production using the unintegrated gluon distributions. The numerical predictions for high energy nucleon-nucleon and photon-nucleon collisions of the $k_T$-factorization approach…

High Energy Physics - Phenomenology · Physics 2011-01-25 Yu. M. Shabelski , A. G. Shuvaev

The basic ideas of kt-factorization and CCFM parton evolution is discussed. The unintegrated gluon densities, obtained from CCFM fits to the proton structure function data at HERA are used to predict hadronic final state cross sections like…

High Energy Physics - Phenomenology · Physics 2009-11-10 Hannes Jung

Processes of heavy quark production at TEVATRON energies are considered using the semihard (k_T factorization) QCD approach with emphasis of the BFKL dynamics of gluon distributions. We investigate the dependence of the p_T distribution of…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. V. Lipatov , V. A. Saleev , N. P. Zotov

We compare the numerical predictions of the k_T-factorization approach (semihard theory) for heavy quark production in high energy nucleon-nucleon and photon-nucleon collisions with the experimental data from Tevatron-collider and HERA.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yu. M. Shabelski , A. G. Shuvaev

Recent developments of the small $x$ CCFM evolution are described, including improvements of the splitting function. The resulting unintegrated gluon densities are used for predictions of hadronic final state measurements like jet…

High Energy Physics - Phenomenology · Physics 2011-01-25 Hannes Jung

Processes of heavy quark production at HERA, TEVATRON and THERA energies are considered using the semihard ($k_T$ factorization) QCD approach with emphasis on the BFKL dynamics of gluon distributions.

High Energy Physics - Phenomenology · Physics 2015-06-25 S. P. Baranov , A. V. Lipatov , N. P. Zotov

We present a comprehensive study of heavy-hadron production, including $D$ and $B$ mesons, heavy baryons, and the $B_c$ meson. Our calculations are based on the $k_t$-factorization and scale-dependent fragmentation functions, completing the…

High Energy Physics - Phenomenology · Physics 2025-01-30 F. E. Barattini , C. O. Dib , B. Guiot

We calculate the cross section of beauty production in electron-proton deep inelastic scattering at HERA collider in the framework of the kt-factorization approach. The unintegrated gluon distributions in a proton are obtained from the full…

High Energy Physics - Phenomenology · Physics 2011-03-23 A. V. Lipatov , N. P. Zotov

We study charmonium production at high-energy colliders (Tevatron, HERA, and LEP2) in the framework of the k_T-factorization approach and the factorization formalism of non-relativistic quantum chromodynamics at leading order in the…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. A. Kniehl , D. V. Vasin , V. A. Saleev

The production cross section of heavy quarks in real and virtual photon-photon collisions has been studied. The unintegrated gluon density in the photon was obtained using the full CCFM evolution equation for the first time. The gluon…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Hansson , H. Jung , L. Jonsson

In the framework of the k_T-factorization QCD approach we consider the production of b quark pairs in p\bar p collisions at the Fermilab Tevatron. We investigate the dependence of the b quark, B meson and decay muon differential cross…

High Energy Physics - Phenomenology · Physics 2011-03-23 S. P. Baranov , A. V. Lipatov , N. P. Zotov

We compare the numerical predictions for heavy quark production in high energy hadron collisions in the conventional QCD parton model and the k_T-factorization approach (semihard theory). The total production cross sections, one-particle…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. G. Ryskin , Yu. M. Shabelski , A. G. Shuvaev

We present calculations of heavy quark and quarkonium production at CERN LEP2 in the k_T-factorization QCD approach. Both direct and resolved photon contribution are taken into account. The conservative error analisys is performed. The…

High Energy Physics - Phenomenology · Physics 2011-01-25 A. V. Lipatov , N. P. Zotov

Processes of heavy quark photoproduction at HERA energies are considered using the semihard (k_T factorization) QCD approach with emphasis of the BFKL dynamics of gluon distributions. We investigate the dependences of the total cross…

High Energy Physics - Phenomenology · Physics 2011-01-25 A. V. Lipatov , V. A. Saleev , N. P. Zotov

We investigate the heavy quark photoproduction based on the k_T factorization approach, focusing on the results from the saturation model. The deviations in the results using the unintegrated gluon distribution considering the saturation…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Brenner Mariotto , M. B. Gay Ducati , M. V. T. Machado

To study the heavy quark production processes, we use the transverse momentum dependent (TMD, or unintegrated) gluon distribution function in a proton obtained recently using the Kimber-Martin-Ryskin prescription from the Bessel-inspired…

High Energy Physics - Phenomenology · Physics 2021-10-04 A. V. Kotikov , A. V. Lipatov , P. Zhang

We compare the numerical predictions for heavy quark production in high energy hadron collisions of the conventional QCD parton model and the $k_T$-factorization approach (semihard theory). The total production cross sections, one-particle…

High Energy Physics - Phenomenology · Physics 2011-01-25 M. G. Ryskin , Yu. M. Shabelski , A. G. Shuvaev

We investigate the inclusive top quark pair production in proton-proton and proton-antiproton collisions at high energies in the framework of kt-factorization QCD approach. Our study is based on the off-shell partonic subprocesses g*g* ->…

High Energy Physics - Phenomenology · Physics 2015-05-28 A. V. Lipatov , N. P. Zotov
‹ Prev 1 2 3 10 Next ›