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POETIC6

7–11 Sept 2015
Ecole Polytechnique
Europe/Zurich timezone

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Session

Small-x Parallel

8 Sept 2015, 16:10
Amphi Gay-Lussac (Ecole Polytechnique)

Amphi Gay-Lussac

Ecole Polytechnique

Palaiseau, FRANCE

Conveners

Small-x Parallel

  • Francois Gelis

Small-x Parallel

  • Stephane Munier (Ecole polytechnique)

Description

Small-x Parallel session

Presentation materials

There are no materials yet.

  1. 6. CGC beyond eikonal accuracy
    Tolga Altinoluk
    08/09/2015, 16:10
    Small-x and saturation
    Oral Presentation
    We present a new method to systematically calculate corrections to the eikonal approximation in the background field formalism. We calculate the subleading power-suppressed corrections due to the finite width of the target to first and second orders. The method is of generic applicability. As a first example, we study both polarized and unpolarized gluon production in pA collisions.
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  2. 113. Quarkonium photoproduction in pp and AA at the LHC
    Maria Beatriz De Leone Gay (U)
    08/09/2015, 16:30
  3. 93. NLO evolution of 4-point colorless operators
    Andrey Grabovskiy (Budker Institute of Nuclear Physics (RU))
    08/09/2015, 16:50
    Small-x and saturation
    Oral Presentation
    This talk discusses the derivation of the NLO evolution equations for the quadrupole and the double dipole operators. It contains the evolution equations for both the standard and the conformal composite operators.
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  4. 24. Classical Gluon Production Amplitude in Heavy Ion Collisions
    Giovanni Antonio Chirilli (The Ohio State University)
    08/09/2015, 17:10
    Small-x and saturation
    Oral Presentation
    The distribution of quarks and gluons produced in the initial stages of nuclear collisions, known as the initial condition for the Quark-Gluon Plasma formation, is the fundamental building block of heavy ion theory. I will present the scattering amplitude, beyond the leading order, of the classical gluon produced in heavy ion collisions. The result is obtained in the framework of saturation...
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  5. 47. Searching saturation effecs in inclusive and exclusive eA processes
    Victor Gonçalves (Universidade Federal de Pelotas)
    08/09/2015, 17:30
    Small-x and saturation
    Oral Presentation
    The searching of saturation effects in inclusive and exclusive $eA$ collisions is reviewed. In particular, we present a comparison between the linear and nonlinear predictions for the nuclear structure functions as well as for the vector meson production in future $eA$ colliders. Finally, we present our recent results for the nuclear Deep Virtual Compton Scattering.
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  6. 39. Gluon saturation in leading neutron production
    Dr Fernando Navarra (Institute of Physics - University of Sao Paulo)
    11/09/2015, 11:00
    Small-x and saturation
    Oral Presentation
    We study the Feynman $x_F$ distribution of leading neutrons produced in $e + p \rightarrow e + n + X$ reactions. Using the factorization approach, we write the differential cross section in terms of the pion flux and the pion - photon total cross section. The latter is related to the dipole scattering amplitude, which contains information about the QCD nonlinear effects and gluon...
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  7. 23. Di-photon correlations in dilute-dense collisions from the CGC
    Amir Rezaeian (Universidad Tecnica Federico Santa Maria)
    11/09/2015, 11:20
    Small-x and saturation
    Oral Presentation
    I will discuss in details whether there is a ridge like structure in di-photon correlations in high-multiplicity events in p+p and p+A collisions at the LHC. Such measurements at the LHC and future colliders provides useful complementary information about the underlying dynamics of particle production in high-multiplicity events, and help to understand the true nature of the observed ridge...
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  8. 111. Elliptic azimuthal anisotropy and the distribution of linearly polarized gluons in DIS dijet production at high energy
    Adrian Dumitru (Baruch College (City University of New York))
    11/09/2015, 11:40
    Oral Presentation
    We determine the distribution of linearly polarized gluons of a dense target at small $x$ by solving the JIMWLK rapidity evolution equations. From these solutions we estimate $\sim \cos 2\phi$ azimuthal asymmetries in DIS dijet production at high energies. We find sizeable long-range in rapidity azimuthal asymmetries with a magnitude in the range of $v_2=\langle\cos2\phi\rangle\sim 10\%$.
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  9. 63. Numerical precision of the running coupling Balitsky-Kovchegov equation solution
    Marek Matas (FNSPE CTU in Prague)
    11/09/2015, 12:00
    Small-x and saturation
    Oral Presentation
    We use the running coupling Balitsky–Kovchegov (rcBK) equation to study the rapidity dependence of saturation in inclusive HERA data and we discuss the behaviour of it’s numerical solution. The rcBK equation has been solved using Runge–Kutta methods. The influence of the parameters implicit in the numerical evolution has been studied. They include, among others, the order of the...
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