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Related papers: Cumulative pion production via successive collisio…

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Pion production in proton-nucleus (p+A) collisions outside the kinematical boundary of proton-nucleon (p+N) reactions, the so-called cumulative effect, is studied. Restrictions from energy-momentum conservation on the energy of pions…

High Energy Physics - Phenomenology · Physics 2017-02-01 A. Motornenko , M. I. Gorenstein

The production of backward nucleons, $N(180^\circ)$, at $180^\circ$ in the nuclear target rest frame in proton-nucleus ($\mathrm{p}+A$) collisions is studied. The backward nucleons appearing outside of the kinematically allowed range of…

Kaon production in pion-nucleon collisions in nuclear matter is studied in the resonance model. To evaluate the in-medium modification of the reaction amplitude as a function of the baryonic density we introduce relativistic, mean-field…

Nuclear Theory · Physics 2010-02-17 K. Tsushima , A. Sibirtsev , A. W. Thomas

Production of pions in high-energy collisions with nuclei in the kinematics prohibited for free nucleons ("cumulative pions") is studied in the fusing color string model.The model describes the so-called direct mechanism for cumulative…

High Energy Physics - Phenomenology · Physics 2023-03-31 M. A. Braun

We have investigated the neutrino induced coherent pion production reaction at low and intermediate energies including pion, nucleon and Delta(1232) resonance. Medium effects in the production mechanism and the distortion of the pion wave…

Nuclear Theory · Physics 2007-09-06 L. Alvarez-Ruso , L. S. Geng , S. Hirenzaki , M. J. Vicente Vacas

The paper discusses the features of the behavior of pion production cross section as a function of the atomic mass of the target nucleus for the reaction of fragmentation of the incident deuterons in the pions produced in the so-called…

Nuclear Experiment · Physics 2015-05-14 A. G. Litvinenko , E. I. Litvinenko

Exclusive A(p,K^+){_\Lambda}B and A(\pi,K^+){_\Lambda}B^\prime reactions leading to two body final states, have been investigated in a fully covariant model based on an effective Lagrangian picture. The explicit kaon production vertex is…

Nuclear Theory · Physics 2007-05-23 R. Shyam

We analyze the production of $\rho$-mesons in $p + A$ reactions including both the production by proton-nucleon as well as pion-nucleon collisions within a coupled channel transport approach. The final state interactions of the $\rho$-meson…

Nuclear Theory · Physics 2009-10-30 A. Sibirtsev , W. Cassing

In this work, we present a study of particle production in proton-proton collisions using data that are collected from many experiments of relative wide range of reaction energies. These data include production of pions and heavier…

High Energy Physics - Phenomenology · Physics 2014-10-28 M. T. Ghoneim , M. T. Hussein , F. H. Sawy

Estimation of the back-to-back pi-pi correlations arising due to evolution of the pionic field in the course of pion production process is given for central heavy nucleus collisions at moderate energies.

High Energy Physics - Phenomenology · Physics 2009-10-31 I. V. Andreev

High-p_T pion and kaon production is studied in relativistic proton-proton, proton-nucleus, and nucleus-nucleus collisions in a wide energy range. Cross sections are calculated based on perturbative QCD, augmented by a phenomenological…

High Energy Physics - Phenomenology · Physics 2008-11-26 Y. Zhang , G. Fai , G. Papp , G. G. Barnafoldi , P. Levai

The production of backward pions in lepton-nucleus collisions is analyzed. We show that a large yield of high momentum backward pions can be explained by the Regge asymptotic of the distribution of nucleons carrying a large momentum…

Nuclear Theory · Physics 2014-11-18 O. Benhar , S. Fantoni , G. I. Lykasov

We investigate the production of pions in heavy-ion collisions in the energy range of $1$ - $2$ GeV/A. The dynamics of the nucleus-nucleus collisions is described by a set of coupled transport equations of the Boltzmann-Uehling-Uhlenbeck…

Nuclear Theory · Physics 2016-09-08 S. Teis , W. Cassing , M. Effenberger , A. Hombach , U. Mosel , Gy. Wolf

We reanalyse the production of $p\bar{p}$ pairs in proton-nucleus and nucleus-nucleus collisions employing novel elementary cross sections for baryon-baryon and pion-baryon production channels based on a boson-exchange model. In contrast to…

Nuclear Theory · Physics 2009-10-30 A. Sibirtsev , W. Cassing , G. I. Lykasov , M. V. Rzjanin

We address the problem of pion production in low energy $\pi$-nucleus collisions. For the production mechanism we assume a simple model consisting of a coherent sum of single pion exchange and the excitation---followed by the decay into two…

Nuclear Theory · Physics 2009-10-31 R. Rapp , J. W. Durso , Z. Aouissat , G. Chanfray , O. Krehl , P. Schuck , J. Speth , J. Wambach

Based on the isospin dependent transport model IBUU, the pion production and its absorption are thoroughly studied in the central collision of $Au+Au$ at a beam energy of 400 MeV/nucleon. It is found that the pions are firstly produced by…

Nuclear Theory · Physics 2021-10-13 Yuan Gao , Lei Zhang , Gao-Chan Yong , Zi-Yu Liu , Wei Zuo

The exclusive $K^+$ meson production in a proton-nucleus collision, leading to two body final states, is investigated in a fully covariant two-nucleon model based on the effective Lagrangian picture. The explicit kaon production vertex is…

Nuclear Theory · Physics 2009-11-10 R. Shyam , H. Lenske , U. Mosel

Pion production in heavy-ion collisions at intermediate energies provides an important probe of the collision dynamics and nuclear matter equation of state, especially the high-density behavior of the symmetry energy. Using the lattice…

Nuclear Theory · Physics 2025-12-16 Xin Li , Si-Pei Wang , Zhen Zhang , Rui Wang , Jie Pu , Chun-Wang Ma , Lie-Wen Chen

We study the non-resonant (non-$\phi$) production of $K^+K^-$ pairs by protons of 2.83 GeV kinetic energy on C, Cu, Ag, and Au targets within the collision model, based on the nuclear spectral function, for incoherent primary…

Nuclear Theory · Physics 2015-05-11 E. Ya. Paryev , M. Hartmann , Yu. T. Kiselev

The production of hard photons and neutral pions in 190 MeV proton induced reactions on C, Ca, Ni, and W targets has been for the first time concurrently studied. Angular distributions and energy spectra up to the kinematical limit are…

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