PHENIX Status

1
PHENIX Status
Average 7.3 DAQ hrs/day
51.2 DAQ hours in the previous week (4/25 5/2)
days since April 17th

• PHENIX continues to take physics data
• Pretty good weekend 4/29 5/1
• Minor DAQ issues addressed
• Improvements to PHENIX duty cycle
• No major detector issues

2
LVL2 Filtering Results

• Continued the LVL2 filtering effort from the CuCu
  run
• Level-1 triggered events are put through an
  offline LVL2 filter
• Few of data sample survive LVL2
• LVL2 sample sent to ORNL for fast reconstruction
• J/Y Results from 400nb-1

South
North
592 /- 27 J/Y
524 /- 25 J/Y
3
200 GeV pp Integrated Luminosity
PHENIX Goal 5.5 pb-1 live BBCLL1
(5/4/05)
June 25, 2005
1.14 pb-1 live ZDCLL1
0.488 pb-1 live BBCLL1
11.0 B BBCLL1 events sampled 1.3 B BBCLL1 events
recorded
4
200 GeV pp Figure of Merit
PHENIX Goal 226 nb-1
(5/4/05)
June 25, 2005
19.4 nb-1