STAR Flow, Chirality and Vorticity PWG

[Cameron Racz <cracz001 AT ucr.edu>]

Hi Daniel,

This embedding is actually to extend into lower pT rather than higher. The old embedding tracks had a minimum pT of 0.6 and we’d like to go lower because that’s where our region of interest is likely going to be for these particles. Also the rapidity region was a bit too small as well, but this request is mostly so we can get efficiency values at low pT.

On Tue, Dec 27, 2022 at 6:46 PM Daniel Cebra <cebra AT physics.ucdavis.edu> wrote:

Hello Cameron,

   I am not sure why we would need embedding just to extend the pT range. The TPC tracking efficiency does not change once the tracks are a certain degree of straight. The inefficiencies come from the sector and pad geometries, and for high pT tracks the efficiency does not change. The inefficiencies at high pT come from the sector boundaries.

Regards, Daniel

On Mon, Dec 19, 2022 at 12:42 PM Cameron Racz via Star-fcv-l <star-fcv-l AT lists.bnl.gov> wrote:

Hi convenors,

I would like to make an amendment to this embedding request and just add He3 and He4 to it with the same pT, rapidity, and phi specifications as the other particles in the first email. 

Thank you,

Cameron Racz

Ph.D. Candidate 

Heavy-ion Physics Group

University of California, Riverside

On Dec 9, 2022, at 5:52 PM, Cameron Racz <cracz001 AT ucr.edu> wrote:

Hello convenors,

I would like to request an embedding for protons, deuterons, and tritons at sqrt{s_{NN}} = 3.0 GeV FXT. The details are very similar to a previous embedding (ID 20202802) but this time I would like the pT and rapidity to be extended for these particles, and the bad run list will be included as well. Below are the details:

Request type: Standard Embedding request (particle in real events)

Beam: Au+Au 3GeV FXT Run 18

TriggerSetup: production_3p85GeV_fixedTarget_2018

Library: SL20d

Production: P19ie

Run Numbers: 19151029 - 19155022

Triggers: bbce_tofmult1 (620052)

10% of Multiplicity

500K events each

Particles: proton, deuteron, triton

Flat in 0 < pT < 6 GeV

Flat in -2 < rapidity < 0 (LAB rapidity)

Flat in 0 < phi < 2 pi

Z vertex: 198 < vZ < 202 cm

Bad Run List:

badRunList[24]={19151029,19151045,19152001,19152078,19153023, 19153032,19153065,19154012,19154013,19154014,

19154015,19154016,19154017,19154018,19154019,19154020,19154021,19154022,19154023,19154024,19154026,19154046,19154051,19154056}

Please let me know if any more info is necessary.

Thanks,

Cameron Racz

Ph.D. Candidate 

Heavy-ion Physics Group

University of California, Riverside

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Cameron Racz