Target mass corrections revisited
classification
⚛️ nucl-th
hep-ph
keywords
correctionsexistingfinitefunctionsmassstructuretargetapproach
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We propose a new implementation of target mass corrections to nucleon structure functions which, unlike existing treatments, has the correct kinematic threshold behavior at finite Q^2 in the x -> 1 limit. We illustrate the differences between the new approach and existing prescriptions by considering specific examples for the F_2 and F_L structure functions, and discuss the broader implications of our results, which call into question the notion of universal parton distribution at finite Q^2.
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Cited by 1 Pith paper
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Stability of parton distributions at high $x$: impact of nuclear and power corrections
Global fit finds u and d PDFs stable to x≈0.8 with positive isospin-independent higher-twist corrections and nonzero off-shell nucleon contributions required to describe nuclear data.
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