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Higher twist corrections to Bjorken sum rule

Anselmino, M, Caruso, F, Levin, E

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Abstract

Some higher twist corrections to the Bjorken sum rule are estimated in the framework of a quark-diquark model of the nucleon. The parameters of the model have been previously fixed by fitting the measured higher twist corrections to the unpolarized structure function F_2(x, Q^2). The resulting corrections to the Bjorken sum rule turn out to be negligible.

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What this paper is about

Some higher twist corrections to the Bjorken sum rule are estimated in the framework of a quark-diquark model of the nucleon. The parameters of the model have been previously fixed by fitting the measured higher twist corrections to the unpolarized structure function F_2(x, Q^2). The resulting corrections to the Bjorken sum rule turn out to be negligible.

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Available abstract

Some higher twist corrections to the Bjorken sum rule are estimated in the framework of a quark-diquark model of the nucleon. The parameters of the model have been previously fixed by fitting the measured higher twist corrections to the unpolarized structure function F_2(x, Q^2). The resulting corrections to the Bjorken sum rule turn out to be negligible.

Key concepts: Sum rule in quantum mechanics, Twist, Diquark, Physics, Nucleon, Structure function, Particle physics, Function (biology)

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