These are the results and comparisons for raw data and simulated reconstructed particles.

We are focusing on 19.6 GeV Au+Au collisions in BES-II with centrality 20-60%.

---

Data comparison to Pythia6 simulation results with the followin settings:

Rapidity Spectra	flat
v2	from preliminary results
ToF Matching Efficiency	On
TPC Tracking Efficiency	On
Angular dependent of Efficiencies	phi-Psi2
Acceptance cut	|eta| <1

Kaon Distributions: STAR/system/files/userfiles/6551/CosEfficiencyProccessTuple_EPRes_EffAcc_Ycut_Order2_NoRapiditySpectra_FixedFirstEP_RCBins_prelimv2_EPeff_flatRP_Acc1Rc_pT0p1_TPC_TOF_kaons_20240415.zip
STAR/system/files/userfiles/6551/Cos2PhiStarPhi_KaonDistribution__phiy_SM.pdf
STAR/system/files/userfiles/6551/Cos2PhiStarPhi_KaonDistribution__phiy_SE(2).pdf
STAR/system/files/userfiles/6551/Cos2PhiStarPhi_KaonDistribution__phiy_ME(1).pdf
STAR/system/files/userfiles/6551/Cos2PhiStarPhi_KaonDistribution__phieta_SM.pdf
STAR/system/files/userfiles/6551/Cos2PhiStarPhi_KaonDistribution__phieta_SE.pdf
STAR/system/files/userfiles/6551/Cos2PhiStarPhi_KaonDistribution__phieta_ME.pdf
File naming convention: 

• *_{pT,phiy,phieta,phi,y,eta}_* corresponds to the {1D pT, 2D phi vs y, 2D phi vs eta, 1D phi, 1D y, 1D eta} distributions. 
• *_{data,rc,datarc,datarcratio}.pdf corresponds to {data, rc, data and rc, data/rc} distributions.
• *_{SE,ME,SM}.pdf corresponds to the {same event, mixed event, same event - mixed event} distributions that are used to produce all other histograms.

Kaon Delta Distributions: STAR/system/files/userfiles/6551/CosEfficiencyProccessTuple_EPRes_EffAcc_Ycut_Order2_NoRapiditySpectra_FixedFirstEP_RCBins_prelimv2_EPeff_flatRP_Acc1Rc_pT0p1_TPC_TOF_kaons_20240415_delta.zip
File naming convention: 

• *_{phiy,phi,y}_* corresponds to the {2D phi_{K+}-phi_{K-} vs eta_{K+}-eta_{K-}, 1D phi_{K+}-phi_{K-}, 1D eta_{K+}-eta_{K-}} distributions. 
• *_{data,rc,mc,datarc,datarcratio,datamcratio}.pdf corresponds to {data, rc, mc, data and rc, data/rc, data/mc} distributions.
• *_{SE,ME,SM,RC,MC}.pdf corresponds to the {same event, mixed event, same event - mixed event, reconstructed simulation, simulation before reconstruction cuts} distributions that are used to produce all other histograms.
• *_IndividualCos2PhiStarPhiBins_* corresponds to histograms that are displayed in each cos(2phi*-2phi) bin, rather than an integrated value over all bins.

Phi Distributions: STAR/system/files/userfiles/6551/CosEfficiencyProccessTuple_EPRes_EffAcc_Ycut_Order2_NoRapiditySpectra_FixedFirstEP_RCBins_prelimv2_EPeff_flatRP_Acc1Rc_pT0p1_TPC_TOF_phis_20240416 2.zip
File naming convention:

• *_{pT,phiy,phi,y,phistarphi,phistar,phistarmphi}_* corresponds to the {1D pT, 2D phi vs y, 2D phi vs eta, 1D phi, 1D y, 1D eta, 2D phistar vs phi, 1D phistar, 1D phistar-phi} distributions. 
• *_{data,rc,datarc,datarcratio}.pdf corresponds to {data, rc, data and rc, data/rc} distributions.
• *_{SE,ME,SM,RC,MC}.pdf corresponds to the {same event, mixed event, same event - mixed event, reconstructed simulation, simulation before reconstruction cuts} distributions that are used to produce all other histograms.
• *_IndividualCos2PhiStarPhiBins_* corresponds to histograms that are displayed in each cos(2phi*-2phi) bin, rather than an integrated value over all bins.

Phi Invariant Mass Distributions (Apply K+,K- pair invariant mass cut on phi mesons in data): 

• Same event, mixed event, and same event - mixed event in smaller pT bins (same bins used for this subtraction in the original analysis): STAR/system/files/userfiles/6551/Cos2PhiStarPhi_InvMassDistributions_19GeV_Order2_Cent9.pdf
• Same event - mixed event invariant mass distributions rebinned in pT to final bins: STAR/system/files/userfiles/6551/Cos2PhiStarPhi_InvMassBackgroundSubtracted_Rebinned_19GeV_Order2_Cent9.pdf