مشخصات پژوهش

عنوان	QCD analysis of structure functions in deep inelastic neutrino-nucleon scattering without using the orthogonal polynomials approach
نوع پژوهش	مقاله چاپ شده
کلیدواژه‌ها	QCD Analysis, Nonsinglet Structure Function, Valence Quark, neutrino-nucleon scattering, CCFR, NuTeV, CCFR
چکیده	A nonsinglet QCD analysis of neutrino-nucleon structure function is performed based on all the data for charged current neutrino-nucleon deep inelastic scattering (DIS) corresponds to NLO and NNLO approximations, with taking into account the nuclear and higher twist corrections. In this analysis, we extract xuv(x,Q2) and xdv(x,Q2) valence parton distribution functions (PDFs) in a wide range of x and Q2, and determine their parametrization with the correlated errors using the xFitter framework. Our results regarding valence-quark densities with their uncertainties are compared to the prediction extracted using other PDF sets from different groups. We determine αs(MZ2)=0.1199±0.0031 and 0.1185±0.0023 with considering the nuclear and higher twist corrections at the NLO and NNLO, respectively, and perform a comparison with other reported results. The extracted results regarding valence-quark distributions and the value of αs(MZ2) are in good agreement with available theoretical models.
پژوهشگران	Fred Olness (نفر سوم)، حامد عبدالمالکی (نفر دوم)، اعظم غفاری توران (نفر اول)