Seyoung HanEwhaRIKEN Systematic uncertainty CNT east arm Systematic

Seyoung Han(Ewha/RIKEN)

Systematic uncertainty : CNT east arm

Systematic uncertainty : CNT west arm

Loose cut Systematic uncertainty : Multi-collision

Tight cut Systematic uncertainty : Multi-collision

Systematic uncertainty : pc 3 matching

p+Au 0 -5% c 2 scaled result of BBCS charge sum ratio & c 1 ratio v 2 different 3 -sub detector combinations -c 2/c 1 different combinations c 2 CNT-BBCS scaled with BBC south charge sum ratio(top left, black) compared with c 2 CNT-BBCS scaled with c 1 ratio(top left, red). - Ratio between c 2 CNT-BBCS in p+Au 0 -5% fixed in the black curve because it scaled same amount(BBCS charge ratio) but if we select c 1 scale factor it gives more sensitive to detector combination. - c 1 scaled result gives larger systematic errors.

p+Au 0 -5% c 2 scaled result of BBCS charge sum ratio & c 1 ratio v 2 different 3 -sub detector combinations -c 2/c 1 different combinations - c 1 scale factor it gives more sensitive to p. T dependence. - c 1 scaled result estimated larger systematic errors. Ratio differences between published estimation is came out from run selection: Pub-used several pp MB Rep-used only Run 15 -pub -rep -c 1

Non-flow estimation c 2 in p+p scaled with BBCS charge sum ratio & c 1 ratio v 2 different 3 -sub detector combinations -c 2/c 1 different combinations p+p c 2 CNT-BBCS scaled with BBC south charge sum ratio(top left, black, ppg 191) compared with p+p c 2 CNT-BBCS scaled with c 1 ratio(top left, red, based on reference fit ). - BBC charge scaling gives one factor for all p. T and detector combinations, but c 1 scaling gives more sensitive to detector combination. - c 1 scaled result gives a larger estimation of non-flow contribution.

Non-flow estimation c 2 in p+p scaled with BBCS charge sum ratio & c 1 ratio -pub -rep -c 1 - c 1 scaling gives p. T and detector combination dependence factors - c 1 scaling estimates a larger non-flow contribution Ratio differences between published estimation is came out from run selection: Pub-used several pp MB Rep-used only Run 15

Scaled (QBBCS, c 1) systematic uncertainty in most central(0 -5%) event. c 1 scaled result shows larger than published.

Asymmetric error assigned for most central event Without any asymmetric systematic errors