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Coalescence paper meeting

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Francesca Bellini (Istituto Nazionale di Fisica Nucleare), Laura Fabbietti
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Meeting ID: 658 8106 3662
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Sushanta:

  1. fit p+pbar data with Levy-Tsallis, Fermi-Dirac and Boltzmann distributions. All work very well and the extrapolation to pt=0 is the same for all
  2. the Fit to Pythia was split into 2 fit regions pT<1 GeV/c and pT>1 GeV/c. 
  3. The ratio of these fits will be used as a correction factor
  4. the creation position of particles in HM events shows a gaussian distribution with a stdDev of ~1.5 fm (1.8fm in z-direction) for Primordials and 2.5fm (3.1fm) for Resonances
  5. pythia does not seem to produce resonances heavier than D(1232) (gives ~65% Primordial fraction)

Maxi:

  1. Modified the Source model
    1. the Effective size is now forced to be reproduced
    2. Primordials are moved accordingly
    3. Even with the wrong resonances in pythia this should be fine because now the effective source is forced
  2. creation position of primordial particles in EPOS has a mean of around 1 fm, in x and y so very similar to pythia but very different to Ceca
  3. When source model works: compare creation positions to Ceca.

Bhawani:

  1. Managed to solve the integrals for calculating the Wigner function of the Hulthén Wave function
  2. still finalizing checks on-going
  3. Will create a LateX writeup with concise description of all the steps to allow other to also check
There are minutes attached to this event. Show them.
    • 11:29 → 11:30
      Google doc 1m
    • 11:30 → 11:40
      Progress report - Maxi 10m
      Speaker: Maxi Horst
      Creation_positions.pdf
    • 11:40 → 11:50
      Progress report - Sushanta 10m
      Speaker: Sushanta Tripathy (INFN, Bologna (IT))
      Status_Sushanta-HM.pdf
    • 11:50 → 12:00
      Progress report - Luca 10m
      Speaker: Luca Barioglio (Technische Universität München)
    • 12:00 → 12:10
      Progress report - Chiara 10m
      Speaker: Chiara Pinto
    • 12:10 → 12:25
      Progress report - Francesca 15m
      Speaker: Francesca Bellini (Istituto Nazionale di Fisica Nucleare)