English
Related papers

Related papers: Dual coherent particle emission as generalised Che…

200 papers

In this Letter we introduce a new kind of coherent particle production mechanism called dual coherent particle emission (DCPE) as generalized two-component Cherenkov-like effect, which takes place when the phase velocity of emitted particle…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. B. Ion , E. K. Sarkisyan

Here we give the results of our study of features of dense groups, or spikes, of particles produced in Mg-Mg and C-Cu collisions at, respectively, 4.3 and 4.5 GeV/c/nucleon aimed to search for a coherent, Cerenkov-like, mechanism of…

High Energy Physics - Phenomenology · Physics 2011-08-17 George L. Gogiberidze , Edward K. G. Sarkisyan , Liana K. Gelovani

Features of dense groups, or spikes, of negative pions produced in Mg-Mg collisions at 4.3 GeV/c/nucleon are studied to search for a coherent, Cerenkov-like, mechanism of particle production process. We investigate the distributions of…

High Energy Physics - Phenomenology · Physics 2011-08-17 G. L. Gogiberidze , L. K. Gelovani , E. K. Sarkisyan

The double coherent and non-coherent diffractive production of heavy quark - antiquark pairs ($Q \bar{Q}$) in heavy ion scattering at high energies (LHC) is considered. The total and differential cross sections of these processes with the…

We present a theory of the emission of fermion pairs from a superfluid Fermi gas induced by a photon absorption. In the solid state physics, this type of process is called double photo-emission (DPE). The spectrum of the induced…

Quantum Gases · Physics 2015-06-17 Emiko Arahata , Tetsuro Nikuni

A model describing nuclear collisions at intermediate energies is presented and the results are compared with recently measured double differential cross sections in C-C reactions at 95 MeV/nucleon. Results show the key role played by…

Nuclear Theory · Physics 2016-08-24 Jérémie Dudouet , Dominique Durand

The incomplete fusion has been proved as the formation and emission of the $\alpha$ particle by the increase in the rotational energy of the very mass-asymmetric dinuclear system. The results of the dinuclear system model have confirmed…

Nuclear Theory · Physics 2023-10-06 A. K. Nasirov , B. M. Kayumov , O. K. Ganiev , G. A. Yuldasheva

The production of a $D^+ D^-$ pair by photon - photon interactions at the Large Hadron Collider (LHC) is investigated considering ultraperipheral proton - proton ($pp$), proton - lead ($pPb$) and lead - lead ($PbPb$) collisions. Assuming…

High Energy Physics - Phenomenology · Physics 2026-05-28 Ya-Ping Xie , Victor P. Goncalves

Multipion production in high energy nucleus-nucleus collisions is considered in the model of the pion radiation by classical current. Strong coherent effects of narrowing of pion longitudinal and transverse momenta distributions are…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. Z. Obrant , M. G. Ryskin

At the Relativistic Heavy-Ion Collider (RHIC) at Brookhaven National Laboratory and at the Large Hadron Collider (LHC) at CERN, particles will be produced in coherent and diffractive nuclear interactions. In extremely peripheral nuclear…

Nuclear Theory · Physics 2007-05-23 Joakim Nystrand

Associated particle production processes in pp and heavy ion collisions at the LHC are in particular interesting in the sense that they provide unique tools to study double parton scattering (DPS) mechanism. In this talk, I will first…

High Energy Physics - Phenomenology · Physics 2020-09-29 Hua-Sheng Shao

In this paper we analyze the associated production of a vector meson with a (pseudo)scalar bound state or a dimuon system in ultraperipheral $PbPb$ collisions through the double scattering mechanism for the energies of the Large Hadron…

High Energy Physics - Phenomenology · Physics 2023-06-12 Celsina N. Azevedo , Victor P. Goncalves , Bruno D. Moreira

The production of same-sign W-boson pairs from double parton scatterings (DPS) in proton-lead (p-Pb) collisions at the CERN Large Hadron Collider is studied. The signal and background cross sections are estimated with next-to-leading-order…

High Energy Physics - Phenomenology · Physics 2012-12-27 David d'Enterria , Alexander M. Snigirev

Cross sections are calculated for single and double photon exchange in ultraperipheral Pb+Pb collisions at the LHC. The particle production is simulated with the DPMJET event generator. Large cross sections are found for particle production…

High Energy Physics - Phenomenology · Physics 2011-05-13 Oystein Djuvsland , Joakim Nystrand

The collective effect of emission by the forward moving partons of high energy Cherenkov gluons in nucleus-nucleus collisions at RHIC and LHC energies is considered. It can reveal itself as peaks in the pseudorapidity distribution of jets…

Nuclear Experiment · Physics 2009-01-07 I. M. Dremin , L. I. Sarycheva , K. Yu. Teplov

We review the production of lepton pairs during high energy nuclear collisions. We highlight the information being carried out of the hot and dense strongly interacting medium. We describe the phenomenon of scalar-vector mixing that can…

High Energy Physics - Phenomenology · Physics 2007-05-23 Charles Gale

Electromagnetic processes associated with a charged particle moving in a strong circular magnetic field is considered in cylindrical coordinates. We investigate the relation between the vacuum curvature emission and Cherenkov emission and…

Astrophysics · Physics 2009-10-30 Maxim Lyutikov , George Machabeli , Roger Blandford

In this letter a new coherent gamma emission mechanism, called Super-Cerenkov radiation, is introduced. The SCR is expected to take place when the charged particle is moving in a medium with a phase velocity satisfying the super-coherent…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. B. Ion , M. L. Ion

We estimate freezeout conditions for $s$, $c$, and $b$ quarks in high energy nuclear collisions. Freezeout is due either to loss of thermal contact, or to particles ``wandering'' out of the region of hot matter. We then develop a thermal…

Nuclear Theory · Physics 2008-11-26 David Seibert , George Fai

Particle production mechanisms in high-energy heavy-ion collisions are reviewed in connection with recent experimental data from RHIC. Implications on mini-jet production, parton saturation and jet quenching are discussed.

High Energy Physics - Phenomenology · Physics 2017-08-23 Xin-Nian Wang
‹ Prev 1 2 3 10 Next ›