Threshold resummation for double-deeply virtual Compton scattering

Schoenleber, J.

doi:10.1007/jhep01(2025)142

Title: Threshold resummation for double-deeply virtual Compton scattering

Journal Article · Tue Jan 28 00:00:00 UTC 2025 · Journal of High Energy Physics (Online)

DOI: https://doi.org/10.1007/jhep01(2025)142 · OSTI ID:2525852

^[1]

Brookhaven National Laboratory (BNL), Upton, NY (United States). RIKEN Research Center

The threshold region for double-deeply virtual Compton scattering (DDVCS) is discussed. I derive a resummation formula for the (partonic) threshold logarithms in the flavor non-singlet case. The resummations can be done by using (re)factorization theorems for the coefficient functions near the partonic thresholds. As a byproduct, we obtain the leading term in the threshold limit of the two-loop coefficient function in double-deeply-virtual Compton scattering, which agrees with the recent result from explicit calculation, providing a highly non-trivial cross-check.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: SC0012704

OSTI ID:: 2525852

Report Number(s):: BNL--227619-2025-JAAM

Journal Information:: Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 1 Vol. 2025; ISSN 1029-8479

Publisher:: Springer NatureCopyright Statement

Country of Publication:: United States

Language:: English

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