Hadron structure functions at small x from string theory

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Polarized deuteron structure functions at small x ∗

We investigate shadowing corrections to the polarized deuteron structure functions g d 1 and b 1. In the kinematic domain of current fixed target experiments we observe that shadowing effects in g d 1 are approximately twice as large as for the unpolarized structure function F d 2. Furthermore, we find that b 1 is surprisingly large at x < 0.1 and receives dominant contributions from coherent d...

متن کامل

Is Qcd at Small X a String Theory?

Using the dipole picture describing the 1/NC limit of QCD at small x and the conformal invariance properties of the BFKL kernel in transverse coordinate space, we show that the 1→p dipole densities can be expressed in terms of dual ShapiroVirasoro amplitudes B2p+2 and their generalization including non-zero conformal spins. We discuss the possibility of an effective closed string theory of inte...

متن کامل

QCD Evolution of Structure Functions at Small x

The status of the resummation of small x contributions to the unpolarized and polarized deep inelastic structure functions is reviewed. Lecture notes to appear in the Proceedings of the Ringberg Workshop ”New Trends in HERA Physics 1999”, eds. G. Grindhammer, B. Kniehl, and G. Kramer (Springer, Berlin 1999).

متن کامل

The Evolution of Unpolarized Singlet Structure Functions at Small x

A systematic study is performed of the impact of the various resummed small-x contributions to the anomalous dimensions and coefficient functions on the evolution of unpolarized structure functions in deep-inelastic scattering. The proton structure functions F p 2 and F p L as well as the photon structure function F γ 2 are considered together with the corresponding parton densities. The genera...

متن کامل

NUCLEAR STRUCTURE FUNCTIONS AT SMALL x IN MULTIPLE SCATTERING APPROACHES

A simple model for nuclear structure functions in the region of small x and small and moderate Q, is presented. It is a parameter-free extension, in the Glauber-Gribov approach to nuclear collisions, of a saturation model for the nucleon. A reasonable agreement with experimental data on ratios of nuclear structure functions is obtained. The unintegrated gluon distribution and the behavior of th...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Journal of High Energy Physics

سال: 2015

ISSN: 1029-8479

DOI: 10.1007/jhep05(2015)001