relativistic heavy ions experiment ii global observables
Post on 23-Jan-2016
222 views
TRANSCRIPT
![Page 1: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/1.jpg)
Relativistic Heavy Ions
Experiment II
Global Observables
![Page 2: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/2.jpg)
Participant – Spectator Scenario
![Page 3: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/3.jpg)
NA49 Trigger Setup
![Page 4: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/4.jpg)
NA49 Target Area
![Page 5: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/5.jpg)
NA49 Ring Calorimeter
![Page 6: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/6.jpg)
NA49 Veto Calorimeter
![Page 7: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/7.jpg)
Hadronic Calorimeter
![Page 8: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/8.jpg)
![Page 9: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/9.jpg)
Distributions of Nch and ET
![Page 10: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/10.jpg)
Correlation EF and ET
![Page 11: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/11.jpg)
Centrality Classes
![Page 12: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/12.jpg)
Centrality Selection via Multplicity: WA97 / NA57
![Page 13: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/13.jpg)
Centrality Selection via Multplicity: WA97 / NA57
![Page 14: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/14.jpg)
Beam-Beam
Counter atRHIC
![Page 15: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/15.jpg)
Beam-Beam Counter at RHIC
![Page 16: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/16.jpg)
Zero Degree Calorimeter (ZDC) at RHIC
![Page 17: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/17.jpg)
Centrality Selection at RHIC
![Page 18: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/18.jpg)
ET Distribution
![Page 19: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/19.jpg)
Energy Density (Bjørken)
![Page 20: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/20.jpg)
Wounded Nucleon Scaling
![Page 21: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/21.jpg)
Participant Scaling
![Page 22: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/22.jpg)
Energy Density
![Page 23: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/23.jpg)
Stopping
yP yT
y0
y y
y0
yP yT
y y y’Ty’p
Baryonnumber distributionsLower energies: Higher energies:
![Page 24: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/24.jpg)
Stopping
NA49
Observable: net-proton distributions
![Page 25: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/25.jpg)
Stopping
![Page 26: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/26.jpg)
Energy Dependence of y
py BB
partp
p
dydy
dNy
Ny
yyy
0
)(2
Linear increase up to SPS: y /ybeam 0.27
Rapidity shift:
dyydy
dNmE BBy
y yT
p
p
cosh)(
Energy loss E :
RHIC (sNN = 200 GeV):E = 25.7 ± 2.1 TeV E/Nucleon = 72± 6 GeV
![Page 27: Relativistic Heavy Ions Experiment II Global Observables](https://reader036.vdocument.in/reader036/viewer/2022062301/56649d3e5503460f94a17096/html5/thumbnails/27.jpg)
Rapidity-Distributions of Baryons
Central Pb+Pb, 158 AGeV
Net-protons: 3 Valence Quarks (uud )
Omegas: 3 produced Quarks (sss )
Net s:1 Valence (d ) + 2 produced Quarks (ss )
Net s:2 Valence (ud ) +1 produced Quark (s )
NA49
dn
/dy (
a.u
.)
y