CJK-improved LO parton distributions in the real photon and their experimental uncertainties
✍ Scribed by F. Cornet; P. Jankowski; M. Krawczyk
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 935 KB
- Volume
- 126
- Category
- Article
- ISSN
- 0920-5632
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✦ Synopsis
A new analysis of the radiatively generated, LO quark (u, d, s, c, b) and gluon densities in the real, unpolarized photon, improved in respect to our paper [I], is presented. We perform four new global fits to the experimental data for F,Y, two using a standard FFNS approach and two based on ACOT, scheme [2], leading to the FFNSc JK and CJK models. We also present the analysis of the uncertainties of the new CJK 2 parton distributions due to the experimental errors, the very first such analysis performed for the photon. This analysis is based on the Hessian method, for a comparison for chosen cross-sections we use also the Lagrange method. F Cornet et al. /Ntrcleur Physics B (Proc. SuppI,) 126 (2004) 28-37 37 7. Acknowledgment