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- Javier L. Albacete, Yuri V. Kovchegov, Anastasios Taliotis
- 2008

We construct a model of high energy heavy ion collisions as two ultrarelativistic shock waves colliding in AdS 5. We point out that shock waves corresponding to physical energy-momentum tensors of the nuclei completely stop almost immediately after the collision in AdS 5 , which, on the field theory side, corresponds to complete nuclear stopping due to… (More)

- J. L. Albacete, N. Armesto, J. G. Milhano, C. A. Salgado, U. A. Wiedemann
- 2004

We study the effects of including a running coupling constant in high-density QCD evolution. For fixed coupling constant, QCD evolution preserves the initial dependence of the saturation momentum Q s on the nuclear size A and results in an exponential dependence on rapidity Y , Q 2 s (Y) = Q 2 s (Y 0) exp [¯ α s d (Y − Y 0)]. For the running coupling case,… (More)

- Javier L Albacete, Néstor Armesto, Alex Kovner, Carlos A Salgado, Urs Achim Wiedemann
- Physical review letters
- 2004

The nonlinear evolution of dense partonic systems has been suggested as a novel physics mechanism relevant for the dynamics of p-A and A-A collisions at collider energies. Here we study to what extent the description of Cronin enhancement in the framework of this nonlinear evolution is consistent with the recent observation in sqrt[s]=200 GeV d-Au… (More)

We study the solution of the nonlinear BK evolution equation with the recently calculated running coupling corrections [1, 2]. Performing a numerical solution we confirm the earlier result of [3] (obtained by exploring several possible scales for the running coupling) that the high energy evolution with the running coupling leads to a universal scaling… (More)

- Javier L. Albacete, Yuri V. Kovchegov, Anastasios Taliotis
- 2009

We consider high energy collisions of two shock waves in AdS 5 as a model of ultra-relativistic nucleus-nucleus collisions in the boundary theory. We first calculate the graviton field produced in the collisions in the NLO and NNLO approximations, corresponding to three-and four-graviton exchanges with the shock waves. We then consider the asymmetric limit… (More)

- Javier L. Albacete, Néstor Armesto, J. Guilherme Milhano, Carlos A. Salgado, Achim Wiedemann
- 2005

The solutions of the Balitsky-Kovchegov evolution equations are studied numerically and compared with known analytical estimations. The rapidity and nuclear size dependences of the saturation scale are obtained for the cases of fixed and running coupling constant. These same dependences are studied in experimental data, on lepton-nucleus, deuteron-nucleus… (More)

- Javier L Albacete
- Physical review letters
- 2007

We present predictions for the pseudorapidity density of charged particles produced in central Pb-Pb collisions at the LHC. Particle production in such collisions is calculated in the framework of k(t) factorization. The nuclear unintegrated gluon distributions at LHC energies are determined from numerical solutions of the Balitsky-Kovchegov equation… (More)

- Javier L. Albacete, Yuri V. Kovchegov, Anastasios Taliotis
- 2008

We calculate the total cross section for deep inelastic scattering (DIS) on a nucleus at high energy for a strongly coupled N = 4 super Yang-Mills theory using AdS/CFT correspondence. In analogy to the small coupling case we argue that at high energy the total DIS cross section is related to the expectation value of the Wilson loop formed by the… (More)

We calculate the inclusive small-x valence quark production cross section in proton-nucleus collisions at high energies. The calculation is performed in the framework of the Color Glass Condensate formalism. We consider both the case when the valence quark originates inside the nucleus and the case when it originates inside the proton. We first calculate… (More)

- Javier L. Albacete, Néstor Armesto, José Guilherme Milhano
- 2006