$p_\textrm{T}$-differential model comparison of proton-to-pion ratio as a function of $R_\textrm{T}$ in the Transverse region for pp collisions at $\sqrt{s}$ = 13 TeV .

Scope: PWG
PWG-MM (Monte Carlo generators and Minimum Bias)
Energy
13 TeV
System
p-p
Figure Image
Figure Caption

The two limiting cases of the $p_\textrm{T}$-differential proton-to-pion ratio as a function of $R_\textrm{T}$ in the Transverse region. Data (markers) are compared to two different event generators: PYTHIA 8 (solid) and EPOS-LHC (dashed). Statistical uncertainties are shown with errors bars while systematic uncertainties are represented with boxes. 

Detail description

For pp at 13 TeV:

Data sample: LHC16k, (pass2) ESD.
Monte-Carlo sample: LHC18f1 (PYTHIA), LHC17d20b1 (EPOS)

Runlist: https://twiki.cern.ch/twiki/pub/ALICE/AliDPGRunList16k/RunList_LHC16k_p…
AliPhysics Tag for analysis: vAN-20190924-1

Event selection: Standard Physics Selection, |Vz|<10 cm.
kINT7 Trigger, Standard quality/vertex selections. Please see Analysis Note for more details.

Track Cuts Used For $R_\textrm{T}$ Calculation: $p_\textrm{T,Trigger}>=$ 5.0 GeV/c, TPCOnly+TPCRefit+ITSRefit.

Track Cuts used for PID yield estimation: ITS/TPC 2011 quality track cuts.

 

See analysis note for further indepth discussion of yield extraction/track seleciton.

Keywords:  RT, R_T, Proton, P, Proton-to-Pion ratio, INEL>0