Higher Twist

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/haɪər twɪst/

However, this kind of duality will be broken at higher twist amplitude.
Understandings of this x_p rescaling from both the free field operator product expansion ( OPE ) and the ordinary OPE are also given, indicating that it is likely a higher order effect in the coefficient functions; i.e., it does not belong to the higher twist effect.
The methods avoiding the IR divergences are discussed, which can be used in the derivations of the evolution kernels and coefficient functions at higher twist level.
With the HERA experiment data of nucleon structure function and it's slope, we discuss the probability of higher twist recombination effect in Quantum Chromodynamics evolution equation.
Using this new method, one can easily calculate the amplitude for gluon radiation of multiple scattering, which gives a road to resum all higher twist contributions.

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