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Related papers: $\bf D_s$-- mesons inclusive hadroproduction in th…

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The hadroproduction of charmed mesons is discussed within the framework of the modified Quark-Gluon String model (QGSM) taking into account the decays of corresponding $S$--wave resonances like $D^*$. It is shown that the estimate of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. H. Arakelyan

A resently developed generalization of the Quark--Gluon String Model to the case of bosonic resonances production in hadron--hadron collisions is used for the calculation of inclusive production of charmed mesons $D$, $D^*(2010)$ and…

High Energy Physics - Phenomenology · Physics 2014-11-17 G. H. Arakelyan , C. Pajares , Yu. M. Shabelski

We consider the experimental data on var(phi)-meson production in hadron-nucleon collisions for a wide energy region. The Quark-Gluon String Model quantitatively describes the spectra of secondary var(phi), as well as the ratios of…

High Energy Physics - Phenomenology · Physics 2014-12-24 G. H. Arakelyan , C. Merino , Yu. M. Shabelski

In the framework of Quark-Gluon-String Model (QGSM) we calculate the inclusive spectra of meson and baryons with open charm in hadron-hadron collisions, obtained by SELEX and BEATRICE collaborations, taking into account the decays of…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. H. Arakelyan

Leading charm production in reaction $\pi^- N \rightarrow DX$ is discussed.Three experiments at Fermilab and CERN have measured a rather large enhancement in production rate of leading $D^-$-mesons over nonleading $D^+$.A good description…

High Energy Physics - Phenomenology · Physics 2009-10-28 O. I. Piskounova

A detailed study of pion production in central Mg-Mg collisions at a momentum of 4.3 GeV/c per incident nucleon was carried out with use of the setup GIBS. The average kinematical characteristics of pions (multiplicity n_, momentum P,…

High Energy Physics - Experiment · Physics 2014-11-17 L. Chkhaidze , T. Djobava , L. Kharkhelauri , M. Mosidze

The process of baryon production in K p collisions at high energies is considered in the framework of the Quark-Gluon String Model. The contribution of the string-junction mechanism to the strange baryon production is analysed. The results…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. H. Arakelyan , C. Merino , Yu. M. Shabelski

We expose the current experimental and theoretical situation of the interesting case of the production of phi mesons in up to very high energy collisions of hadrons on both nucleon and nuclear targets, and we present a quantitavely good…

High Energy Physics - Phenomenology · Physics 2018-11-26 G. H. Arakelyan , C. Merino , Yu. M. Shabelski

We consider the photoproduction of secondary mesons in the framework of the Quark-Gluon String model. At relatively low energies, not only cylindrical, but also planar diagrams have to be accounted for. To estimate the significant…

High Energy Physics - Phenomenology · Physics 2014-10-15 G. H. Arakelyan , C. Merino , Yu. M. Shabelski

The $D$-meson production is investigated by considering the unintegrated gluon distribution within the dipole approach in the momentum representation. We analyze the $D$-meson spectrum accounting for the effects of nonlinear behavior of the…

High Energy Physics - Phenomenology · Physics 2022-10-17 G. Sampaio dos Santos , G. Gil da Silveira , M. V. T. Machado

A new approach to the analysis of soft and semihard hadron processes is suggested. In the frame of the Quark-Gluon String Model the interaction of valence quarks and diquarks and sea quarks (antiquarks) of colliding hadrons is taken into…

High Energy Physics - Phenomenology · Physics 2016-09-01 G. I. Lykasov , M. N. Sergeenko

Inclusive spectra of the kaons produced in $Ar Sc$ collisions as functions of their transverse momentum $p_T$ at mid-rapidity have been calculated within the approach based on the assumption of the similarity of inclusive spectra of the…

High Energy Physics - Phenomenology · Physics 2024-02-06 G. I. Lykasov , A. I. Malakhov , A. A. Zaitsev

We consider the experimental data on neutral Kstar-meson production on nucleon and nuclear targets. The Quark-Gluon String Model quantitatively describes the inclusive density in the midrapidity region, as well as the initial energy and A…

High Energy Physics - Phenomenology · Physics 2019-10-02 G. H. Arakelyan , C. Merino , Yu. M. Shabelski

The asymmetries between the spectra of leading and nonleading charmed mesons measured in $\Sigma^-A$ interactions at $p_L$= 340 GeV/c in the WA89 experiment are described in the framework of Quark-Gluon String Model. There are two versions…

High Energy Physics - Phenomenology · Physics 2007-05-23 Olga Piskounova

We consider the experimental data on phi-meson production on nuclear targets, and we find that they present unusually small shadow corrections for the inclusive density in the midrapidity region. We also give a quantitatively consistent…

Nuclear Theory · Physics 2018-04-04 G. H. Arakelyan , C. Merino , Yu. M. Shabelski

The process of secondary baryon production in pi(+-)p collisions at high energies in the central and forward fragmentation regions is considered in the framework of the Quark-Gluon String Model. The contribution of the string-junction…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. H. Arakelyan , C. Merino , Yu. M. Shabelski

Transverse momentum spectra of charmed and beauty mesons produced in proton-proton and proton-antiproton collisions at high energies are analyzed within the modified quark-gluon string model (QGSM) including the internal motion of quarks in…

High Energy Physics - Phenomenology · Physics 2014-11-18 G. I. Lykasov , Z. M. Karpova , M. N. Sergeenko , V. A. Bednyakov

We discuss the associated W+/- H-/+ production in p p collision for the Large Hadron Collider. A complete one-loop calculation of the loop-induced subprocess g g -> W+/- H-/+ is presented in the framework of the Minimal Supersymmetric…

High Energy Physics - Phenomenology · Physics 2009-09-25 Oliver Brein , Wolfgang Hollik , Shinya Kanemura

We investigate hadroproduction of $B_c$ mesons from initial gluons using QCD perturbation theory and nonrelativistic bound state approximations. Our results obtained by two completely independent calculations are confronted with existing…

High Energy Physics - Phenomenology · Physics 2009-10-28 Karol Kołodziej , Arnd Leike , Reinhold Rückl

The character of asymmetry between the spectra of Lambda_c and antiLambda_c in the E781 experiment (FNAL) is discussed on the basis of the Quark Gluon String Model(QGSM). As it was shown in the description of the asymmetry between the…

High Energy Physics - Phenomenology · Physics 2009-10-31 O. I. Piskounova
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