scholarly journals Generic algorithm for multiparticle cumulants of azimuthal correlations in high energy nucleus collisions

2021 ◽  
Vol 103 (2) ◽  
Author(s):  
Zuzana Moravcova ◽  
Kristjan Gulbrandsen ◽  
You Zhou
Keyword(s):  
High Energy ◽  
Generic Algorithm ◽  
Azimuthal Correlations

scholarly journals High-energy resummation in $$\Lambda _c$$ baryon production

2021 ◽  
Vol 81 (8) ◽  
Author(s):  
Francesco G. Celiberto ◽  
Michael Fucilla ◽  
Dmitry Yu. Ivanov ◽  
Alessandro Papa
Keyword(s):  
High Energy ◽  
The Novel ◽  
Baryon Production ◽  
Collinear Factorization ◽  
Azimuthal Correlations ◽  
Rapidity Distributions

AbstractWe present a study on inclusive emissions of a double $$\Lambda _c$$ Λ c or of a $$\Lambda _c$$ Λ c plus a light-flavored jet system as probe channels in the semi-hard regime of QCD. Our formalism relies on the so-called hybrid high-energy/collinear factorization, where the standard collinear description is supplemented by the t-channel resummation à la BFKL of energy logarithms up to the next-to-leading accuracy. We make use of the modular interface, suited to the analysis of different semi-hard reactions, employing the novel parameterization for the description of parton fragmentation into $$\Lambda _c$$ Λ c baryons. We provide predictions for rapidity distributions and azimuthal correlations, that can be studied at current and forthcoming LHC configurations, hunting for possible stabilizing effects of the high-energy series.

scholarly journals Ridge effect, azimuthal correlations, and other novel features of gluonic string collisions in high energy photon-mediated reactions

2018 ◽  
Vol 97 (11) ◽  
Author(s):  
Stanisław D. Głazek ◽  
Stanley J. Brodsky ◽  
Alfred S. Goldhaber ◽  
Robert W. Brown
Keyword(s):  
High Energy ◽  
High Energy Photon ◽  
Energy Photon ◽  
Azimuthal Correlations

scholarly journals The importance of kinematic twists and genuine saturation effects in dijet production at the Electron-Ion Collider

2021 ◽  
Vol 2021 (9) ◽  
Author(s):  
Renaud Boussarie ◽  
Heikki Mäntysaari ◽  
Farid Salazar ◽  
Björn Schenke
Keyword(s):  
High Energy ◽  
Color Glass ◽  
High Energy Electron ◽  
Dijet Production ◽  
Transverse Momentum Dependent ◽  
Azimuthal Correlations ◽  
Power Corrections ◽  
Momentum Imbalance ◽  
Gluon Saturation ◽  
Saturation Effects

Abstract We compute the differential yield for quark anti-quark dijet production in high-energy electron-proton and electron-nucleus collisions at small x as a function of the relative momentum P⊥ and momentum imbalance k⊥ of the dijet system for different photon virtualities Q2, and study the elliptic and quadrangular anisotropies in the relative angle between P⊥ and k⊥. We review and extend the analysis in [1], which compared the results of the Color Glass Condensate (CGC) with those obtained using the transverse momentum dependent (TMD) framework. In particular, we include in our comparison the improved TMD (ITMD) framework, which resums kinematic power corrections of the ratio k⊥ over the hard scale Q⊥. By comparing ITMD and CGC results we are able to isolate genuine higher saturation contributions in the ratio Qs/Q⊥ which are resummed only in the CGC. These saturation contributions are in addition to those in the Weizsäcker-Williams gluon TMD that appear in powers of Qs/k⊥. We provide numerical estimates of these contributions for inclusive dijet production at the future Electron-Ion Collider, and identify kinematic windows where they can become relevant in the measurement of dijet and dihadron azimuthal correlations. We argue that such measurements will allow the detailed experimental study of both kinematic power corrections and genuine gluon saturation effects.

Azimuthal Correlations of High-Energy Collision Products

1972 ◽  
Vol 6 (11) ◽  
pp. 3135-3145 ◽  
Author(s):  
Margaret C. Foster ◽  
Daniel Z. Freedman ◽  
S. Nussinov ◽  
J. Hanlon ◽  
R. S. Panvini
Keyword(s):  
High Energy ◽  
Energy Collision ◽  
High Energy Collision ◽  
Azimuthal Correlations

scholarly journals Monte Carlo approach for hadron azimuthal correlations in high energy proton and nuclear collisions

2012 ◽  
Vol 86 (3) ◽  
Author(s):  
Alejandro Ayala ◽  
Isabel Dominguez ◽  
Jamal Jalilian-Marian ◽  
J. Magnin ◽  
Maria Elena Tejeda-Yeomans
Keyword(s):  
Monte Carlo ◽  
High Energy ◽  
High Energy Proton ◽  
Monte Carlo Approach ◽  
Azimuthal Correlations ◽  
Nuclear Collisions ◽  
Energy Proton

scholarly journals The broad away side of azimuthal correlations: 3 vs 2 final state particles in high energy nuclear collisions

2011 ◽  
Author(s):  
Alejandro Ayala ◽  
Jamal Jalilian-Marian ◽  
Javier Magnin ◽  
Antonio Ortíz ◽  
Guy Paić ◽  
...  
Keyword(s):  
High Energy ◽  
Final State ◽  
Azimuthal Correlations ◽  
Nuclear Collisions
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