Topic
Color-glass condensate
About: Color-glass condensate is a research topic. Over the lifetime, 885 publications have been published within this topic receiving 35169 citations.
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27 Aug 2015
TL;DR: In this article, baryon stopping and leading Baryon production were investigated in the context of the color glass condensate (CGC) formalism, and the phenomenological implications for net baryons production in pp/pA/AA collisions were analyzed and predictions for LHC energies were presented.
Abstract: In this work baryon stopping and leading baryon production are investigated in the context of the color glass condensate (CGC) formalism. We assume that at large energies the coherence of the projectile quarks is lost and that the leading baryon production mechanism changes from recombination to independent fragmentation. The phenomenological implications for net-baryon production in pp/pA/AA collisions are analyzed and predictions for LHC energies are presented. We find that at very high energies the leading baryon xF spectra become nearly energy independent and we reach the approximate Feynman scaling regime.
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TL;DR: In this paper, general properties of the color glass condensate were discussed and predictions for particle production in p(d)A and AA collisions derived from these properties were in agreement with data collected at RHIC.
Abstract: We discuss general properties of the Color Glass Condensate. We show that predictions for particle production in p(d)A and AA collisions derived from these properties are in agreement with data collected at RHIC.
08 May 1998
TL;DR: In this article, the authors use quantum kinetic theory to calculate the steady state and the fluctuations of a trapped Bose-Einstein condensate at finite temperature, and derive a master equation for the reduced density operator of the BoseEinstein Condensate.
Abstract: We use quantum kinetic theory to calculate the steady-state and the fluctuations of a trapped Bose-Einstein condensate at finite temperature. We divide the system into two parts. The first part consists of the condensate particles. They are described quantum mechanically using the number-conserving Bogoliubov method that allows us to characterize the condensate by the number of condensed particles. The second part are the noncondensed particles. They are treated as a classical gas in thermal equilibrium. Using quantum kinetic theory we find a master equation for the reduced density operator of the Bose-Einstein condensate. We calculate the steady-state of the system and investigate the effect of one-, two- and three-particle losses on the condensate. Using linearized Ito equations we find expressions for the intensity fluctuations and the amplitude fluctuations in the condensate. The effect of the trap losses on the particle statistics is also studied. We then assume that the condensate particles are coherently pumped into an untrapped internal energy level and fall down in gravity. For this situation we derive the relation between the statistics of the trapped condensate particles and the statistics of the particles arriving at an atom detector positioned below the condensate.
04 Feb 2023
TL;DR: In this paper , the azimuthal eccentricities arising from initial stage fluctuations in high energy proton-nucleus collisions at proper times were derived by approximating the Glasma dynamics in terms of linearized Yang-Mills equations.
Abstract: We compute the azimuthal eccentricities arising from initial stage fluctuations in high energy proton-nucleus collisions at proper times $\tau \geq 0^+$. We consider two sources of fluctuations, namely the geometrical structure of the proton and the fluctuation of color fields carried by both proton and nucleus. Describing these effects with Gaussian models allows us to analytically calculate the one- and two-point correlators of energy density, from which the eccentricities are obtained. We compute the proper time evolution of these quantities by approximating the Glasma dynamics in terms of linearized Yang-Mills equations, which we solve by assuming free field propagation and adopting the dilute-dense limit.
14 Jul 2022
TL;DR: In this paper , the first correction due to the gluon saturation in proton was analytically attempted through a diagrammatic approach in which only partial results were obtained, and the complete result derived from the Color Glass Condensate framework.
Abstract: The leading order single inclusive soft gluon production in high energy proton-nucleus (pA) collisions has been studied by various approaches for more than two decades. The first correction due to the gluon saturation in proton was analytically attempted recently through a diagrammatic approach in which only partial results were obtained. An important feature of the first saturation correction is that it includes both initial state and final state interactions. In this paper, we present the complete result derived from the Color Glass Condensate framework. Our approach is to analytically solve the classical Yang-Mills equations in the dilute-dense regime and then use the Lehmann-Symanzik-Zimmermann (LSZ) reduction formula to obtain gluon production from classical gluon fields.