STAR HardProbes PWG

["Ma, Rongrong" <marr AT bnl.gov>]

Hello Nihar

Thanks for putting this on the schedule. Totally understood that the HP PWG 
is swamped by HP approval this week. 

In terms of Run24 pp data taking, I think it is a decision to be made by the 
PWG taking into account the benefit and risk. Please keep in mind that there 
is still Run25, when we will sample much higher luminosity than Run23. As you 
know, a large portion of Run23 will be run with low luminosity for sPHENIX 
commissioning purpose.

Best
Rongrong

> On Mar 23, 2023, at 9:44 AM, Nihar Sahoo <nihar AT rcf.rhic.bnl.gov> wrote:
> 
> Hello Rongrong,
> 
> I need some time probably next week to discuss on this important topic 
> which is pertaining to our analysis on gamma+jet and as you know we 
> proposed for Run23+25 high statistic AuAu 200 GeV events in BUR.
> I am occupied this week for HP2023 to think on this topic (discuss with 
> Saskia).
> Next week I will discuss on it and vertex/trigger topic as well.
> 
> Just to know  we also proposed for pp Run24 200 GeV high stat run for 
> gamma+jet baseline measurement.
> Although I know the condition of BSMD, Do we have also plan for pp Run24 or 
> any change in this direction?
> Is there any discussion for pp run24 with BSMD?
> 
> Thank you
> Nihar
> 
> 
> 
> 
> On 2023-03-23 19:02, Ma, Rongrong via Star-hp-l wrote:
>> Dear HP PWG
>> Please see the following question from management about how to best
>> utilize BSMD for Au+Au data taking in 2023 and 2025. Inputs from this
>> group is needed. Thanks.
>> Best
>> Rongrong
>>> Begin forwarded message:
>>> From: "Ruan, Lijuan" <ruan AT bnl.gov>
>>> Subject: Action items from operation retreat yesterday
>>> Date: March 23, 2023 at 9:21:40 AM EDT
>>> * BSMD: how to run it to maximum its use? Some of the components
>>> will be dying once turned on according to Oleg. Therefore, we need
>>> to think about how to run it most effectively for physics program.
>>> For example, whether we turn it off during low-lumi data taking and
>>> only turn it on for high-lumi data. The strong argument to run BSMD
>>> is for pi0/gamma separation. The hard probes pwg should discuss this
>>> and give an answer for which data sets BSMD is critical to physics.
>>> I have asked Akio to discuss this at the trigger board as well.
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