Time Meeting 3092010 Stefan Bathe 03092010 Stefan Bathe for PHENIX Time Meeting 1 Past Week History 03092010 Stefan Bathe for PHENIX Time Meeting 2 Had to swap HV mainframe for DC E Wednesday night lost 10 h of beam ID: 223471
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Slide1
PHENIX Status
Time Meeting, 3/09/2010Stefan Bathe
03/09/2010
Stefan Bathe for PHENIX, Time Meeting
1Slide2
Past Week History
03/09/2010Stefan Bathe for PHENIX, Time Meeting
2
Had to swap HV mainframe for DC E Wednesday night: lost 10 h of beam
DAQ problems Friday night: lost 7 h of beam
Otherwise smooth running
Plan for Wednesday
HBD work (one module is developing short)Slide3
Integrated Luminosity: Accumulated
03/09/2010
Stefan Bathe for PHENIX, Time Meeting
3
recorded
delivered
minimum goal
desiredSlide4
Integrated Luminosity: Per Day
03/09/2010
Stefan Bathe for PHENIX, Time Meeting
4
Past week not particularly goodSlide5
Vertex Efficiency (Per Day)
03/09/2010
Stefan Bathe for PHENIX, Time Meeting
5
goalSlide6
Efficiency
03/09/2010Stefan Bathe for PHENIX, Time Meeting
6
Fraction of all events recorded within 20cm =
0.84
(when PHENIX on)
Fraction of all events recorded within 30cm =
0.77
(when PHENIX on)Slide7
J/ψ
03/09/2010
Stefan Bathe for PHENIX, Time Meeting
7
Analyzed Luminosity (for mass plots): 89.17
μ
b
-1
with 234M LVL2 events, and 8856 segments
which gives 22.1 +- 0.6 (stat) J/Ψ per μb-1 Thu Mar 4 13:02 EST 2010Compared to Run7 Au+Au which had about 18.2 J/
Ψ
per
μ
b
-1
Consistent with Run-7