Period Coordinator

 1. Hypernews: 
STAR operation (http://www.star.bnl.gov/HyperNews-star/protected/get/starops.html)

Update on r0 photoproduction and the Q2 evolution of the shape of gold nuclei

Speaker : Spencer Klein ( LBNL )


Talk time : 10:00, Duration : 00:20

Using starsim to simulate the BBbar->ee background

One of the residual backgrounds in the di-electron mass spectrum in Upsilon analyses are electron-positron pairs from semi-leptonic decays of B mesons.

Systematic study on the volume fluctuation correction on cumulants at 19.6 GeV

 

DIS 2018 W pressentation

DIS 2018 W presentation:

A_LL with new polarization values

The mean of the Landau distribution is undefined

One hears that the mean of the Landau distribution is undefined.  Hey, if it says so on Wikipedia, it must be right!

HF minutes - 2018/03/29

La_c/aLa_c in Hijing+zerobias with HFT run16

Request TypeSimulated background embedding (generator with real data as background for noise / pile-up studies)
Description

Embedding of La_c and anti-La_c into zerobias events + Hijing for efficiency corrections which include effects of vertex resolutions - run 16

Particle:
Lc+, Lc- Embedd into HIJING
Library: SL16j
Production chain: Official P16ij production chain + simulators

event:
VzTpc :(-6, 6) cm.

(a)La_c distribution:
Phi : (0, 6.29) in radian flat
Rapidity: (-1.2, 1.2) flat
pT:(2, 8) GeV ,  weighted
    weight function f(x) = “1.0/([0]+[1]*tanh([2]*x-[3]))
    parameters (0,1,2,3) = (0.5,0.5,0.6,2)

number of events vs Hijing centrality classes:

Centrality     HIJING b(fm)  #Events  #La_c(aLa_c)/Event

70-80%         12.86                2M             1

60-70%         11.95                1M             2

50-60%     11.05-11.08       660K          3

40-50%     10.11-10.16      340K           6

30-40%          9.0-9.2          225K           9

20-30%          7.8-8.2          170K          12

10-20%          4.5-7.8          125K          16

0-10%               0-4.5           100K          20

 

original request of the authors:
https://drupal.star.bnl.gov/STAR/system/files/Embedding_requestLc_pwg.pdf (page 1,2)

General Information
Request ID20181304
Priority: EC0
Priority: pwgHigh
StatusNew
Physics Working GroupHeavy Flavor
Requested bypetrchal
Contact email(s)petrchal@rcf.rhic.bnl.gov, skradhakrishnan@lbl.gov
Contact phone(s)
PWG email(s)heavy-hn@www.star.bnl.gov
Assigned Deputy: Not assigned
Assigned Helper: Not assigned
Global Simulation Settings
Request type:Simulated background embedding (generator with real data as background for noise / pile-up studies)
Number of events4600000 = 4.6 M
Magnetic Field---- SELECT MAGFIELD ----
Collision Type---- SELECT COLLISION TYPE ----
Centralityb: full range
BFC tags
ProductionP16ij
Geometry: simu---- SELECT GEOMETRY ----
Geometry: reco---- SELECT GEOMETRY ----
Library---- SELECT STAR LIBRARY ----
Vertex option---- SELECT VERTEX OPTION ----
Pileup optionNo
Detector Set
Data Sources
Real Data
File lookup
Single Particle MC
ParticleLambda
Particle settingsdalitz
Particles per event1
Vertex Z, cm-30 < Vertex < 30
Gaussian sigma in X,Y,Z (cm), if applicable0, 0, 0
Vertex offset: x, mm0
Vertex offset: y, mm0
Φ (phi), radian0 < Φ < 6.29
η (eta)-1.2 < η < 1.2
Pt, GeV2 < Pt < 8

Conveener S&C exchange

Speaker : Jerome Lauret ( BNL )


Talk time : 09:30, Duration : 00:20

La_c/aLa_c in Hijing + zerobian with HFT run14

Request TypeSimulated background embedding (generator with real data as background for noise / pile-up studies)
DescriptionEmbedding of La_c and anti-La_c into zerobias events + Hijing for efficiency corrections which include effects of vertex resolutions for run14

Particle:
Lc+, Lc- Embedd into HIJING
Library: SL16d
Production chain: Official P16id production chain + simulators

event:
VzTpc :(-6, 6) cm.

(a)La_c  distribution:
Phi : (0, 6.29) in radian flat
Rapidity: (-1.2, 1.2) flat
pT:(2, 8) GeV ,  weighted
    weight function f(x) = “1.0/([0]+[1]*tanh([2]*x-[3]))
    parameters (0,1,2,3) = (0.5,0.5,0.6,2)

number of events vs Hijing centrality classes:

Centrality     HIJING b(fm)  #Events  #La_c(aLa_c)/Event

70-80%         12.86                2M             1

60-70%         11.95                1M             2

50-60%     11.05-11.08       660K          3

40-50%     10.11-10.16      340K           6

30-40%          9.0-9.2          225K           9

20-30%          7.8-8.2          170K          12

10-20%          4.5-7.8          125K          16

0-10%               0-4.5           100K          20

 


original request of the authors:
https://drupal.star.bnl.gov/STAR/system/files/Embedding_requestLc_pwg.pdf (page 1,2)
General Information
Request ID20181303
Priority: EC0
Priority: pwgHigh
StatusNew
Physics Working GroupHeavy Flavor
Requested bypetrchal
Contact email(s)petrchal@rcf.rhic.bnl.gov, skradhakrishnan@lbl.gov
Contact phone(s)
PWG email(s)heavy-hn@www.star.bnl.gov
Assigned Deputy: Not assigned
Assigned Helper: Not assigned
Global Simulation Settings
Request type:Simulated background embedding (generator with real data as background for noise / pile-up studies)
Number of events4600000 = 4.6 M
Magnetic Field---- SELECT MAGFIELD ----
Collision Typeauau 200GeV
Centralityb: full range
BFC tags
ProductionP16id
Geometry: simu---- SELECT GEOMETRY ----
Geometry: reco---- SELECT GEOMETRY ----
LibrarySL16d
Vertex option---- SELECT VERTEX OPTION ----
Pileup optionNo
Detector Set
Data Sources
Real Data
File lookup
Single Particle MC
ParticleLambda
Particle settingsdalitz
Particles per event1
Vertex Z, cm-6 < Vertex < 6
Gaussian sigma in X,Y,Z (cm), if applicable0, 0, 0
Vertex offset: x, mm0
Vertex offset: y, mm0
Φ (phi), radian0 < Φ < 6.29
η (eta)-1.2 < η < 1.2
Pt, GeV2 < Pt < 8

pi/K/p 200AuAu run16 with HFT

Request TypeStandard Embedding request (particle in real events)
Description

Single particle embedding of pions,  kaons, protons (+ antiparticles) in 200GeV AuAu  run16 with the HFT simulator

Particle: pi+,pi-,K+,K-,proton,antiproton

Real Data: Au+Au 200GeV Run16
streams : st_physics, st_sst
Triggers: 520001,520011,520021,520031,520041,520051, 570001,570805
Library: SL16j
run list: https://drupal.star.bnl.gov/STAR/system/files/goodruns_wpxl_stphys_stsst_2016.txt
number of events: 50k for each particle species
Production chain: Official production chain

event cuts:
VzTpc-VzVpd: (-3,3) cm if VzVpd is saved in *.tags.root files.
VzTpc: (-6, 6) cm.

particles:
pi+,pi-,K+,K-,proton,antiproton 
Particles per event:: 5% of event multiplicity
phi: (0, 6.29) flat
Eta: (-1.2, 1.2) flat
pT: (0, 10) GeV  flat

original request of authors:
https://drupal.star.bnl.gov/STAR/system/files/Embedding_requestLc_pwg.pdf (page 3))

General Information
Request ID20181302
Priority: EC0
Priority: pwgHigh
StatusKilled
Physics Working GroupHeavy Flavor
Requested bypetrchal
Contact email(s)petrchal@rcf.rhic.bnl.gov, skradhakrishnan@lbl.gov
Contact phone(s)
PWG email(s)heavy-hn@www.star.bnl.gov
Assigned Deputy: Not assigned
Assigned Helper: Not assigned
Global Simulation Settings
Request type:Standard Embedding request (particle in real events)
Number of events50000 = 50 K
Magnetic Field---- SELECT MAGFIELD ----
Collision Typeauau 200GeV
Centrality---- SELECT CENTRALITY ----
BFC tags
ProductionP16ij
Geometry: simu---- SELECT GEOMETRY ----
Geometry: reco---- SELECT GEOMETRY ----
Library---- SELECT STAR LIBRARY ----
Vertex option---- SELECT VERTEX OPTION ----
Pileup optionNo
Detector Set
Data Sources
Real Data
File lookupist of good runs with HFT:<br /> https://drupal.star.bnl.gov/STAR/system/files/goodruns_wpxl_stphys_stsst_2016.txt<br />
Single Particle MC
ParticlePion+
Particle settingsFlat in Pt
Particles per event0
Vertex Z, cm-6 < Vertex < 6
Gaussian sigma in X,Y,Z (cm), if applicable0, 0, 0
Vertex offset: x, mm0
Vertex offset: y, mm0
Φ (phi), radian0 < Φ < 6.29
η (eta)-1.2 < η < 1.2
Pt, GeV0 < Pt < 10

pi/K/p 200AuAu run14 with HFT

Request TypeStandard Embedding request (particle in real events)
DescriptionSingle particle embedding of pions,  kaons, protons (+ antiparticles) in 200GeV AuAu  run14 with the HFT simulator

Particle: pi+,pi-,K+,K-,proton,antiproton

Real Data: Au+Au 200 GeV Run 14 st_physics
Triggers: 450050, 450060, 450005, 450015, 450025
Library: SL16d
run list: https://drupal.star.bnl.gov/STAR/system/files/goodruns_wpxl_2014.txt
number of events: 50k for each particle species
Production chain: Official production chain

event cuts:
VzTpc-VzVpd: (-3,3) cm if VzVpd is saved in *.tags.root files.
VzTpc: (-6, 6) cm.

particles:
pi+,pi-,K+,K-,proton,antiproton 
Particles per event:: 5% of event multiplicity
phi: (0, 6.29) flat
Eta: (-1.2, 1.2) flat
pT: (0, 10) GeV  flat

original request of authors:
https://drupal.star.bnl.gov/STAR/system/files/Embedding_requestLc_pwg.pdf (page 3))
General Information
Request ID20181301
Priority: EC0
Priority: pwgHigh
StatusClosed
Physics Working GroupHeavy Flavor
Requested bypetrchal
Contact email(s)petrchal@rcf.rhic.bnl.gov, skradhakrishnan@lbl.gov
Contact phone(s)
PWG email(s)heavy-hn@www.star.bnl.gov
Assigned Deputy: Not assigned
Assigned Helper: Not assigned
Global Simulation Settings
Request type:Standard Embedding request (particle in real events)
Number of events50000 = 50 K
Magnetic Field---- SELECT MAGFIELD ----
Collision Typeauau 200GeV
Centrality---- SELECT CENTRALITY ----
BFC tags
ProductionP16id
Geometry: simu---- SELECT GEOMETRY ----
Geometry: reco---- SELECT GEOMETRY ----
LibrarySL16d
Vertex option---- SELECT VERTEX OPTION ----
Pileup optionNo
Detector Set
Data Sources
Real Data
File lookuplist of good runs with HFT:&lt;br /&gt; https://drupal.star.bnl.gov/STAR/system/files/goodruns_wpxl_2014.txt&lt;br /&gt;
Single Particle MC
ParticlePion+
Particle settingsFlat in Pt
Particles per event0
Vertex Z, cm-6 < Vertex < 6
Gaussian sigma in X,Y,Z (cm), if applicable0, 0, 0
Vertex offset: x, mm0
Vertex offset: y, mm0
Φ (phi), radian0 < Φ < 6.29
η (eta)-1.2 < η < 1.2
Pt, GeV0 < Pt < 10

The EPD sees the Fixed Target mount in the 2018 run

Anisotropic nMIP distributions seen with both isobar species in the EPD can be attributed to multiple scattering in the fixed target frame.

iTPC Integration DIscussion


Talk time : 16:30, Duration : 00:20

HFT Embedding Discussion


Talk time : 16:00, Duration : 00:20

Recent Data Productions

Hijing + zero bias sample is available here:
/star/data97/embed/misalign/hijing.zerobias.2014.tpc5effpres65.Mar_24.a/

S&C Offline Software

2018-03-29 16:00
2018-03-29 17:00
America/New York
Thursday, 29 March 2018
1-189, SRN, at 20:00 (GMT), duration : 01:00
SRN ID: 1096183

EVO Phone Bridge Telephone Numbers:
---------------
- USA (BNL, Upton, NY)
+1 631 344 6100

- USA (Caltech, Pasadena, CA)
+1 626 395 2112
TimeTalkPresenter
16:00HFT Embedding Discussion ( 00:20 ) 1 file
16:30iTPC Integration DIscussion ( 00:20 ) 0 files

Loose connector

Speaker : Yuri Fisyak


Talk time : 11:00, Duration : 00:20

 

Loose connector

Speaker : Yuri Fisyak


Talk time : 11:00, Duration : 00:20

 

Loose connector