SIDIS WG meeting

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https://cern.zoom.us/j/62859255670?pwd=ZGR6bm1NbDNoaDExYWxkMmF4MUxlUT09

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Ralf Seidel presented his studies on radiative corrections.

- Based on unpolarized Djangoh simlation at 18 x 275 GeV

  • Djangoh has ISR and FSR correctly included

- Effects are overall moderate (at the percent level) but can get significant for some kinemaic regions

  • At moderate Q², ISR events can populate higher x values
  • Effecs get stronger for higher Q² values
  • Effects especially visible in the y distribution and at high PT.

- Next step: Test impact on azimuthal asymmtries.

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