Next-to-leading order Balitsky-Kovchegov equation with resummation
Abstract
Here, we solve the Balitsky-Kovchegov evolution equation at next-to-leading order accuracy including a resummation of large single and double transverse momentum logarithms to all orders. We numerically determine an optimal value for the constant under the large transverse momentum logarithm that enables including a maximal amount of the full NLO result in the resummation. When this value is used, the contribution from the α2s terms without large logarithms is found to be small at large saturation scales and at small dipoles. Close to initial conditions relevant for phenomenological applications, these fixed-order corrections are shown to be numerically important.
- Authors:
-
- Univ. of Jyvaskyla (Finland); Univ. of Helsinki (Finland)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1295209
- Alternate Identifier(s):
- OSTI ID: 1250618
- Report Number(s):
- BNL-112399-2016-JA
Journal ID: ISSN 2470-0010
- Grant/Contract Number:
- SC00112704; SC0012704
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Volume: 93; Journal Issue: 9; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Lappi, T., and Mantysaari, H. Next-to-leading order Balitsky-Kovchegov equation with resummation. United States: N. p., 2016.
Web. doi:10.1103/PhysRevD.93.094004.
Lappi, T., & Mantysaari, H. Next-to-leading order Balitsky-Kovchegov equation with resummation. United States. https://doi.org/10.1103/PhysRevD.93.094004
Lappi, T., and Mantysaari, H. Tue .
"Next-to-leading order Balitsky-Kovchegov equation with resummation". United States. https://doi.org/10.1103/PhysRevD.93.094004. https://www.osti.gov/servlets/purl/1295209.
@article{osti_1295209,
title = {Next-to-leading order Balitsky-Kovchegov equation with resummation},
author = {Lappi, T. and Mantysaari, H.},
abstractNote = {Here, we solve the Balitsky-Kovchegov evolution equation at next-to-leading order accuracy including a resummation of large single and double transverse momentum logarithms to all orders. We numerically determine an optimal value for the constant under the large transverse momentum logarithm that enables including a maximal amount of the full NLO result in the resummation. When this value is used, the contribution from the α2s terms without large logarithms is found to be small at large saturation scales and at small dipoles. Close to initial conditions relevant for phenomenological applications, these fixed-order corrections are shown to be numerically important.},
doi = {10.1103/PhysRevD.93.094004},
journal = {Physical Review D},
number = 9,
volume = 93,
place = {United States},
year = {Tue May 03 00:00:00 EDT 2016},
month = {Tue May 03 00:00:00 EDT 2016}
}
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