English
Related papers

Related papers: The $\Lambda K$ system production in the hadron in…

200 papers

We study the momentum dependence of the production of light nuclei in high energy collisions in the nucleon coalescence/recombination mechanism. We derive formulas of the momentum distributions of deuterons ($d$) and helions ($^3$He). We…

High Energy Physics - Phenomenology · Physics 2021-06-23 Rui-Qin Wang , Feng-Lan Shao , Jun Song

The article reviews the physics related to kaon and antikaon production in heavy ion reactions at intermediate energies. Chiral dynamics predicts substantial modifications of the kaon properties in a dense nuclear environment. The status of…

Nuclear Theory · Physics 2008-11-26 Christian Fuchs

Proton-proton collision is a simple system to investigate nuclear matter and it is considered to be a guide for more sophisticated processes in the proton-nucleus and the nucleus-nucleus collisions. In this article, we present a…

High Energy Physics - Phenomenology · Physics 2015-05-26 M. T. Ghoneim , M. T. Hussein , F. H. Sawy

Nucleon pole contribution in the $pp\to ppK^+K^-$ reaction below the threshold of the production of the $\phi$ meson is studied within the effective Lagrangian approach. It is assumed that the $K^- p$ final state originates from the decay…

High Energy Physics - Phenomenology · Physics 2014-09-19 Qi-Fang Lü , Jue-Jun Xie , De-Min Li

We present the study of K0s and Lambda production performed with the ALICE experiment at the LHC in Pb--Pb collisions at \sqrt{s_NN}=2.76 TeV and pp collisions at \sqrt{s}=0.9 and 7 TeV. The K0s and Lambda particles are reconstructed via…

High Energy Physics - Experiment · Physics 2019-08-13 Iouri Belikov

We calculate the contribution to the polarization of $\Lambda$ hyperons in relativistic nuclear collisions at high energy from the decays of $\Sigma^*(1385)$ and $\Sigma^0$, which are the predominant sources of $\Lambda$ production besides…

Nuclear Theory · Physics 2019-10-02 F. Becattini , Gaoqing Cao , Enrico Speranza

We have studied single-$\Lambda$ finite hypernuclear systems spanning from light to heavy masses, employing a new microscopic Lambda-N interaction derived from in-medium interactions within relativistic Brueckner-Hartree-Fock calculations…

Nuclear Theory · Physics 2025-09-23 Xuan Zeng , Ru-You Zheng , Zhi-Wei Liu , Li-Sheng Geng , Xian-Rong Zhou

The transverse momentum spectra of the produced hadrons have been compared to a model which is based on the assumption that a nucleus-nucleus collision is a superposition of isotropically decaying thermal sources at a given freeze out…

Nuclear Theory · Physics 2007-05-23 Bedangadas Mohanty

Dielectron production in the $\pi N$ interaction at not large energies is studied. The dominant contribution of the $\Delta$-isobar creation in the intermediate state at incident pion momenta of about 0.3-0.4 GeV$/$c is shown. The…

High Energy Physics - Phenomenology · Physics 2017-05-23 A. P. Ierusalimov , G. I. Lykasov

Changes of hadronic properties in dense nuclear matter as predicted by theory have usually been investigated by means of relativistic heavy-ion reactions. In this talk I show that observable consequences of such changes can also be seen in…

Nuclear Theory · Physics 2007-05-23 Ulrich Mosel

We calculate the transverse momentum p_T distribution for production of the Upsilon states in hadronic reactions. For small $p_T (\leq M_\Upsilon)$, we resum to all orders in the strong coupling alpha_s the process-independent large…

High Energy Physics - Phenomenology · Physics 2011-03-23 Edmond L. Berger , Jianwei Qiu , Yili Wang

We propose a new method to study the evolution of the neutron periphery between different isotopes by considering antiproton--nucleus interactions close to the production threshold of $\Lambda \overline{\Lambda }$ and…

It is shown that $\Lambda$-hyperon fragmentation in charged lepton deep inelastic scattering (DIS) on a polarized nucleon target can provide sensitive information concerning the quark helicity and transversity distributions for both nucleon…

High Energy Physics - Phenomenology · Physics 2014-11-17 Bo-Qiang Ma , Ivan Schmidt , Jacques Soffer , Jian-Jun Yang

The centrality dependence of Xi^- and Lambda production in Au+Au interactions at E_lab=6 AGeV is studied within a microscopic transport approach. In line with recent data, a slight enhancement of the Xi^-/(Lambda+Sigma^0) ratio toward…

Nuclear Theory · Physics 2009-11-10 Gebhard Zeeb , Manuel Reiter , Marcus Bleicher

Linearly polarized gluons inside an unpolarized proton contribute to the transverse momentum distributions of (pseudo)scalar particles produced in hadronic collisions, such as Higgs bosons and quarkonia with even charge conjugation…

High Energy Physics - Phenomenology · Physics 2015-06-23 Cristian Pisano

The mean transverse momenta of hadrons, <P_{\bot}>, produced in e^+ N deep inelastic scattering was studied as a function of the hadron energy fraction z and the Bjorken variable x. The statistical accuracy of the HERMES data permitted to…

High Energy Physics - Experiment · Physics 2007-05-23 Anton Jgoun , HERMES collaboration

The production of $\Sigma^0$ hyperons in proton proton collisions at a beam kinetic energy of 3.5 GeV impinging on a liquid hydrogen target was investigated using data collected with the HADES setup. The total production cross section is…

This paper examines the transverse momentum spectra of baryons in the multi-particle production at modern colliders using Quark-Gluon String Model (QGSM). It discusses 1) the difference in \Lambda^0 hyperon spectra at antiproton-proton vs.…

High Energy Physics - Phenomenology · Physics 2020-06-03 Olga I. Piskounova

The energy-dependence of charged particle mean multiplicity and pseudorapidity density at midrapidity measured in nucleus-nucleus and (anti)proton-proton collisions are studied in the entire available energy range. The study is performed…

High Energy Physics - Phenomenology · Physics 2010-12-15 Edward K. G. Sarkisyan , Alexander S. Sakharov

A sample of Lambda's produced in 2 A*GeV Ni + Cu collisions has been obtained with the EOS Time Projection Chamber at the Bevalac. Low background in the invariant mass distribution allows for the unambiguous demonstration of Lambda directed…

‹ Prev 1 8 9 10 Next ›