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Including resummation in the NLO BK equation

T. Lappi
(
- Helsinki Inst. of Phys. and
- Jyvaskyla U.
)
,
H. Mäntysaari
(
- Brookhaven
)

Feb 21, 2017

4 pages

Part of Proceedings, 8th International Conference on Hard and Electromagnetic Probes of High-energy Nuclear Collisions: Hard Probes 2016 (HP2016) : Wuhan, Hubei, China, September 23-27, 2016, 305-308

Published in:

Nucl.Part.Phys.Proc. 289-290 (2017) 305-308

Contribution to:

- HP2016
, 305-308

Published: Aug, 2017

e-Print:

1702.06320 [hep-ph]

DOI:

10.1016/j.nuclphysbps.2017.05.070

View in:

ADS Abstract Service

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Abstract: (arXiv)

We include a resummation of large transverse momentum logarithms in the next-to-leading order (NLO) Balitsky-Kovchegov equation. The resummed evolution equation is shown to be stable, the evolution speed being significantly reduced by NLO corrections. The contributions from NLO terms that are not enhanced by large logarithms are found to be numerically important close to phenomenologically relevant initial conditions. We numerically determine the value for the constant in the resummed logarithm that includes a maximal part of the full NLO terms in the resummation.

Note:

4 pages, 3 figures, talk by T.L. at Hard Probes 2016

resummation
Balitsky-Kovchegov equation
transverse momentum
evolution equation
boundary condition
stability

References(12)

Figures(4)

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T. Lappi
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