Partonic densities in the nucleus at small x in the perturbative QCD

2002 ◽  
Vol 699 (1-2) ◽  
pp. 320-323 ◽  
Author(s):  
N. Armesto ◽  
M.A. Braun
Keyword(s):  
Perturbative Qcd ◽  
Small X

scholarly journals Small-x physics in perturbative QCD

1997 ◽  
Vol 286 (3) ◽  
pp. 131-198 ◽  
Author(s):  
L.N. Lipatov
Keyword(s):  
Perturbative Qcd ◽  
Small X

scholarly journals SMALL-X QCD EFFECTS IN PARTICLE COLLISIONS AT HIGH ENERGIES

2002 ◽  
Vol 17 (23) ◽  
pp. 3185-3203
Author(s):  
TANCREDI CARLI
Keyword(s):  
Perturbative Qcd ◽  
Cross Sections ◽  
High Energy ◽  
Particle Collisions ◽  
Energy Limit ◽  
High Energy Limit ◽  
High Energies ◽  
Small X ◽  
Theoretical Developments

Recent theoretical developments to calculate cross sections of hadronic objects in the high energy limit are summarised and experimental attempts to establish the need for new QCD effects connected with a resummation of small hadron momentum fractions x are reviewed. The relation between small-x parton dynamics and the phenomenon of diffraction is briefly out-lined. In addition, a search for a novel, non-perturbative QCD effect, the production of QCD instanton induced events, is presented.

scholarly journals A direct test of perturbative QCD at small x

1994 ◽  
Vol 336 (1) ◽  
pp. 77-79 ◽  
Author(s):  
Richard D. Ball ◽  
Stefano Forte
Keyword(s):  
Perturbative Qcd ◽  
Direct Test ◽  
Small X

Bare pomeron in perturbative QCD and small x behavior of gluon distributions

1989 ◽  
Vol 316 (2) ◽  
pp. 307-320 ◽  
Author(s):  
J.C. Collins ◽  
J. Kwieciǹski
Keyword(s):  
Perturbative Qcd ◽  
Small X ◽  
Gluon Distributions

scholarly journals On the Origin of the Rise of F2 at Small x

1997 ◽  
Vol 12 (12) ◽  
pp. 887-897 ◽  
Author(s):  
H. Navelet ◽  
R. Peschanski ◽  
S. Wallon ◽  
Ch. Royon ◽  
L. Schoeffel
Keyword(s):  
Perturbative Qcd ◽  
Anomalous Dimension ◽  
Bfkl Kernel ◽  
Small X ◽  
The Right ◽  
Near Future

We have shown that, provided that the nonperturbative input is regular at the right of the ω=0 singularity of the dominant DGLAP anomalous dimension, the rise of F2 at small x, experimentally measured by the averaged observable [Formula: see text], is input-independent in the perturbative Q2 regime at small x. [Formula: see text] appears to be more input-dependent in the same range. The GRV-type parametrizations verify these properties. Other models, namely the BFKL kernel (QCD dipoles), DGLAP (with a nonperturbative input singular at the right of the ω=0) give different predictions for λ. At moderate Q2, there is a possibility of distinguishing these different perturbative QCD predictions in the near future.

scholarly journals DEVELOPMENTS IN PERTURBATIVE QCD

2006 ◽  
Vol 21 (08n09) ◽  
pp. 1778-1791 ◽  
Author(s):  
GAVIN P. SALAM
Keyword(s):  
Monte Carlo ◽  
Perturbative Qcd ◽  
Monte Carlo Event ◽  
The Status ◽  
Recent Developments ◽  
Small X ◽  
Fixed Order

A brief review of key recent developments and ongoing projects in perturbative QCD theory, with emphasis on conceptual advances that have the potential for impact on LHC studies. Topics covered include: twistors and new recursive calculational techniques; automation of one-loop predictions; developments concerning NNLO calculations; the status of Monte Carlo event generators and progress in matching to fixed order; analytical resummation including the push to NNLL, automation and gap between jets processes; and progress in the understanding of saturation at small x.

Small-x behaviour of initial state radiation in perturbative QCD

1990 ◽  
Vol 336 (1) ◽  
pp. 18-85 ◽  
Author(s):  
S. Catani ◽  
F. Fiorani ◽  
G. Marchesini
Keyword(s):  
Perturbative Qcd ◽  
Initial State Radiation ◽  
Initial State ◽  
State Radiation ◽  
Small X
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