Brief Look at RHIC Low Energy Test Run

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Brief Look at RHIC Low Energy Test Run June 7,
2007. Compiled by Bill Christie
Beam Energy Root(s) 9.1 GeV Only one data file
with final trigger setup and full TPC gain. This
is Run 8158119.
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• Run 8158119 (TPC full gain)
• 2288 BBC-small triggers
• 403 BBC-large triggers
• 214 both bbc sl
• 1 vpd trigger

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• Run 8158115 (TPC gain low)
• - 2015 BBC-small triggers
• 536 BBC-Large triggers
• 310 both bbc sl
• 1 vpd triggers ( bbc sl)

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STAR TPC image of root(s) 9.91 GeV AuAu
Collision Taken June 7, 2007.
Run 8158119, Evt 44
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STAR TPC image of root(s) 9.91 GeV AuAu
Collision Taken June 7, 2007.
Run 8158119, Evt 165
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STAR TPC image of root(s) 9.91 GeV AuAu
Collision Taken June 7, 2007.
Run 8158119, Evt 216
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Scaler plots for a few Low Energy RHIC fills
BBC Small tiles Coin. BBC Blue back. BBC Yellow
back.
As seen in the plot above, the fill length in
RHIC for a low Energy (root(s) 9.1 GeV) RHIC
fill is about 10 minutes.