Theoretical description of the HERA data on F2 at low Q2
A.B. Kaidalov1 - C. Merino2
1 ITEP, B. Cheremushkinskaya 25,
117259 Moscow, Russia
2 Departamento de Física de Partículas, Universidade de Santiago de Compostela, E-15706 Santiago de Compostela, Spain
Received: 12 August 1998 / Revised version: 12 January 1999 / Published online: 15 July 1999
It is shown that the CKMT model for the nucleon structure function F2 gives a good description of the recent HERA data at low and moderate Q2. A fit to the same data, obtained with a modified version of the model in which a logarithmic dependence on Q2 has been included, is also presented. For moderate values of Q2, in the current available range of x, the first parametrization leads to a better description of the data.