STAR HardProbes PWG

[Nihar Sahoo <nihar AT rcf.rhic.bnl.gov>]

Hello All,

Rongrong, Thank you for this email.

From Jet side, I would like to propose for Run24 pp and pA 200 GeV the 
following triggers.

pp 200 GeV:  L2gamma trigger BHT2 (18 ADC ~ 4.2 GeV threshold) with 
presale 1.
and the same for pAu 200 GeV.

Forward trigger:
Need one Forward-Calorimeter trigger for Forward Jet measurement in pp 
200 GeV, if possible.
Detail we can discuss at the trigger board meeting and also STAR 
collaboration meeting.
Because I need to know other proposed forward triggers proposed for pp 
200 GeV.

Details we can discuss at our Collaboration meeting, I will have a 
presentation on it.

It would also be good to hear from other PAs if they have specific 
proposal.

Thank you
Nihar


On 2023-10-11 18:21, Ma, Rongrong wrote:
> Hello All
>
> Here are some thoughts for quarkonium triggers in Run24 pp collisions:
>
>
> - BHT2
> -- Motivation: Upsilon, high-pT J/psi
> -- Threshold: same as Run23
> -- Bandwidth: no pre-scale
>
> - BHT1
> -- Motivation: intermediate-pT J/psi
> -- Threshold: same as Run23
> -- Bandwidth: ideally no pre-scale, but need to see rates
>
> - Dimuon
> -- Motivation: J/psi down to 0 pT; MTD trigger efficiency study for
> Au+Au
> -- Threshold: very loose time window as Run15
> -- Bandwidth: no pre-scale if possible. If not, use pre-scale to
> sample similar luminosity (120 pb^-1) as Run15 such that we can
> achieve similar precision
>
> Thanks!
>
> Best
> Rongrong
>
> > On Oct 4, 2023, at 1:47 AM, Nihar Sahoo via Star-hp-l
> > <star-hp-l AT lists.bnl.gov> wrote:
> > Hello Yi,
> >
> > We have certainly HP physics plan for Run24 pp (and also pA) based
> > on BUR23-25.
> > I have a few things to discuss using forward trigger and existing
> > HT1/2/3 + L2gamma trigger for pp as well as pA. We can discuss on
> > it.
> >
> > If Other PAs have specific plan for Run24 pp and pA (along with
> > AuAu), it would be good to know and have a discussion on it.
> >
> > From my side, I will prepare some slides to discuss in this
> > direction.
> >
> > Thank you
> > Nihar
> >
> > On 2023-10-04 01:38, Yi Yang via Star-hp-l wrote:
> >
> > > Dear HPers,
> > > Please let us know if you have any specific trigger requests for
> > > Run
> > > 24.
> > > Cheers,
> > > Yi
> > > +++++++++++++++++++++++++++++++++++++++++++++++++++
> > > Yi Yang, Professor
> > > Department of Physics /
> > > Director of Science Education Center
> > > National Cheng Kung University
> > > Tainan, 701 Taiwan
> > > E-Mail: yiyang AT ncku.edu.tw
> > > Tel: +886-6-2757575 ext.65237
> > > Fax: +886-6-2747995
> > > Group Web: http://phys.ncku.edu.tw/~yiyang [1]
> > > +++++++++++++++++++++++++++++++++++++++++++++++++++
> > > ---------- Forwarded message ---------
> > > From: Sooraj Radhakrishnan via Star-pwgc-l
> > > <star-pwgc-l AT lists.bnl.gov>
> > > Date: Wed, Oct 4, 2023 at 3:05 AM
> > > Subject: [Star-pwgc-l] Fwd: Run24 Trigger board
> > > To: STAR PWG Convener List <star-pwgc-l AT lists.bnl.gov>
> > > Cc: Sooraj Radhakrishnan <skradhakrishnan AT lbl.gov>
> > > Dear All,
> > > Please find the forwarded message from Akio below, regarding the
> > > Trigger board for Run 24.
> > > Sooraj
> > > ---------- Forwarded message ---------
> > > From: Ruan, Lijuan <ruan AT bnl.gov>
> > > Date: Tue, Oct 3, 2023 at 11:48 AM
> > > Subject: Re: Run24 Trigger board
> > > To: Ogawa, Akio <akio AT bnl.gov>, skradhakrishnan AT lbl.gov
> > > <skradhakrishnan AT lbl.gov>, barbara.trzeciak AT gmail.comk
> > > <barbara.trzeciak AT gmail.comk>
> > > Hi Akio,
> > > STAR Collaboration meeting will be held on Oct 16 – 20, so
> > > probably
> > > makes sense to move the first meeting to Oct 23.
> > > Lijuan
> > > From: Akio Ogawa <akio AT bnl.gov>
> > > Date: Tuesday, October 3, 2023 at 2:44 PM
> > > To: skradhakrishnan AT lbl.gov <skradhakrishnan AT lbl.gov>,
> > > barbara.trzeciak AT gmail.comk <barbara.trzeciak AT gmail.comk>
> > > Cc: Ruan, Lijuan <ruan AT bnl.gov>
> > > Subject: Run24 Trigger board
> > > Please foward this to PWGC list:
> > > Hello, PWGCs
> > > Run24 is apporaching quickly, and we need to be ready for pp
> > > running
> > > by
> > > January. So I would like to have 1st trigger board meeting Oct 16.
> > > I've
> > > already asked Spin/Cold QCD PWGCs to presents physics & trigger
> > > needs
> > > at
> > > the 1st meeting. I would like to ask all other PWGCs to do the
> > > same in
> > > following week.
> > > Please discuss physics, trigger needs, and its bandwidth for pp200
> > > running, and pA running, among PWG and be ready to present at
> > > trigger
> > > board. We've already discussed and run triggers for AA for both
> > > MB/High
> > > Rate running and High Lumi running during run23. But if there are
> > > any
> > > changes, please also disuss.
> > > OGAWA, akio                 Email : akio AT bnl.gov
> > > BrookHaven National Lab. Physics Dep. 510A 2-235
> > > Upton, NY, 11973-5000          Tel. 631-344-5293
> > > --
> > > Sooraj Radhakrishnan
> > > Research Scientist,
> > > Department of Physics
> > > Kent State University
> > > Kent, OH 44243
> > > Physicist Postdoctoral AffiliateNuclear Science Division
> > > Lawrence Berkeley National Lab
> > > MS70R0319, One Cyclotron Road
> > > Berkeley, CA 94720
> > > Ph: 510-495-2473 [2]
> > > Email: skradhakrishnan AT lbl.gov
> > > _______________________________________________
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