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21–23 Jun 2023
Center for Frontiers in Nuclear Science, Stony Brook University
US/Eastern timezone

the role of fragmentation measurements for TMD extractions

21 Jun 2023, 16:30
30m
Center for Frontiers in Nuclear Science, Stony Brook University

Center for Frontiers in Nuclear Science, Stony Brook University

Department of Physics and Astronomy Stony Brook University Stony Brook, NY 11794-3800

Speaker

Ralf Seidl (RIKEN)

Description

TMD extractions of Semi-inclusive DIS measurements and in part hadronic collision measurements rely on the knowledge of (TMD) fragmentation functions in order to successfully obtain TMD distribution functions. There exists some access to unpolarized TMD fragmentation functions via SIDIS measurements, but the cleanest approach is via electron-positron annihilation. It is also the only current venue to cleanly obtain polarized fragmentation functions.
The recent TMD related fragmentation function measurements in electron-positron annihilation, most notably at the B factories will be reported.

Primary author

Ralf Seidl (RIKEN)

Presentation materials