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Join Zoom Meeting: https://cern.zoom.us/j/65881063662?pwd=N0MyZHVsZC9acTZrK3dlSTREQmQ4Zz09
Meeting ID: 658 8106 3662
Passcode: 06052022
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Meeting ID: 658 8106 3662
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Meeting ID: 658 8106 3662
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Minutes:
Sushanta:
- submitted 300M pythia events for 13TeV
- will work on HM trigger
- reports the multiplicity distribution and loss factor after HM trigger next week
- Will add deuterons to the study (not only antideuterons)
Chiara:
- There will be no in-Jet coalescence for high multiplicity in the paper
- it would make the paper too long (would require e.g. protons in HM, etc...)
- In our paper, we will assume that the in-Jet coalescence in HM is the same as in MB (which it is, we just cannot show it)
Luca:
- Fit the EPOS p+pbar spectra with a Blast Wave fit (works very well) and a Levy-Tsallis (works very poorly)
- EPOS events at 900 GeV: only 1M available -> need to run more
- EPOS events at 13TeV: 300M events are about to be submitted to the LRZ, Ante needs to modify some code still)
Francesca:
- made the p0 vs pT/A plot with added 13 TeV (MB and HM 1-3)
- We will fit the p0 with a pol2 or pol3 (use pol2 for equal fit quality)
Bhawani:
- started to learn how to calculate Wigner functions
Maxi:
- Studied the physical properties of the different wave functions available
- in this study, it was found, that the Hulthén that was used produced much too large deuteron radii (~50fm)
- It turns out the Hulthen used by Kachelriess (with an additional 1/r factor) was indeed the correct Hulthén and the one used by us was only the Harmonic oscillator solution which is only one part of the deuteron wave function
- all the other wave functions have reasonable physical properties
- for the Gaussian wave functions only the deuteron radius could be calculated since they do not include a D-Wave
- for the Hulthen a D-Wave function was used to calculate the Quadrupole moment and magnetic moment, but using it for actual coalescence predictions is not required, since the D-State probability is only ~5.6%, so not using it introduces only a small error
- Will work on implementing the new source in EPOS
- Will add deuterons (not only antideuterons)
- redo the d+dbar spectra with recently completed 100M statistics and new proton fit.
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