Run 13 W analysis : Study on mid rapidity "Eta-dip " - MC
Updated on Tue, 2016-05-10 15:28. Originally created by devika on 2016-05-10 15:10.
Q : If the eta-dip is a luminosity effect, why it would not shows up in embedded MC ? Since simulated PHYTIA events are embedded on STAR zero-bias events embedded MC should also shows an luminosity dependant eta-dip similar to that in data.
This page summarize studies done to undertand the cause of this.
bla
Referenses :
pp 500 W Simulation Studies done by TFG by embedding Pythia pp->W->enu into Pythia pp510 minimum bias sample instead "zero-bias" These studies shows an "eta-dip" in STI in comparison STICA
http://www.star.bnl.gov/~iraklic/pp2W/effEta_10MGHz.gif
http://www.star.bnl.gov/~iraklic/pp2W/
Why Eta-Dip is not seen [once W reconstrction cuts are applied] in run 13 Embedded MC [STI production] ?
During the presentation to spin PWG on 05-09-16 (slides) a question arose by Carl reagrding "eta-dip". Q : If the eta-dip is a luminosity effect, why it would not shows up in embedded MC ? Since simulated PHYTIA events are embedded on STAR zero-bias events embedded MC should also shows an luminosity dependant eta-dip similar to that in data.
This page summarize studies done to undertand the cause of this.
bla
Referenses :
pp 500 W Simulation Studies done by TFG by embedding Pythia pp->W->enu into Pythia pp510 minimum bias sample instead "zero-bias" These studies shows an "eta-dip" in STI in comparison STICA
http://www.star.bnl.gov/~iraklic/pp2W/effEta_10MGHz.gif
http://www.star.bnl.gov/~iraklic/pp2W/
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