Impact of low-x resummation on QCD analysis of HERA data
Authors:
- Hamed Abdolmaleki,
- Valerio Bertone,
- Daniel Britzger,
- Stefano Camarda,
- Amanda Cooper-Sarkar,
- Francesco Giuli,
- Alexander Glazov,
- Aleksander Kusina,
- Agnieszka Luszczak,
- Fred Olness,
- Andrey Sapronov,
- Pavel Shvydkin,
- Katarzyna Wichmann,
- Oleksandr Zenaiev,
- Marco Bonvini
Abstract
its to the final combined HERA deep-inelastic scattering cross-section data within the conventional DGLAP framework of QCD have shown some tension at low x and low Q 2 . A resolution of this tension incorporating ln ( 1 / x ) -resummation terms into the HERAPDF fits is investigated using the xFitter program. The kinematic region where this resummation is important is delineated. Such high-energy resummation not only gives a better description of the data, particularly of the longitudinal structure function F L , it also results in a gluon PDF which is steeply rising at low x for low scales, Q 2 ' 2 . 5 GeV 2 , contrary to the fixed-order NLO and NNLO gluon PDF.
- Record ID
- CUT9294b6cbd21a4802a0c9a4239c63ce79
- Publication categories
- ;
- Author
- Journal series
- European Physical Journal C, ISSN 1434-6044, e-ISSN 1434-6052
- Issue year
- 2018
- Vol
- 78
- No
- 8
- Pages
- [1-14]
- Article number
- 621
- Other elements of collation
- tab.; wykr.; Bibliografia (na s.) - 13-14; Bibliografia (liczba pozycji) - 48; Oznaczenie streszczenia - Abstr.; Numeracja w czasopiśmie - Vol. 78, Iss. 8
- Substantive notes
- Na publ. w zespole autorskim inf.: xFitter Developers’ team
- Keywords in English
- combined HERA deep-inelastic scattering, DGLAP framework of QCD the xFitter program, lowx resummation
- DOI
- DOI:10.1140/epjc/s10052-018-6090-8 Opening in a new tab
- URL
- https://link.springer.com/article/10.1140/epjc/s10052-018-6090-8 Opening in a new tab
- Language
- eng (en) English
- License
- Score (nominal)
- 40
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUT9294b6cbd21a4802a0c9a4239c63ce79/
- URN
urn:pkr-prod:CUT9294b6cbd21a4802a0c9a4239c63ce79
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.