STAR Flow, Chirality and Vorticity PWG

["Wang, Fuqiang" <fqwang AT purdue.edu>]

Hi Aihong,

We don’t have mass differential data using ZDC. We didn’t try it because the ZDC data full statistics are already poor. 

Best regards,

Fuqiang

On Aug 28, 2023, at 2:53 PM, Tang, Aihong <aihong AT bnl.gov> wrote:



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Hi, Fuqiang :

So I guess we don't have ZDC data and low mass data ?

 

Thanks,

Aihong

On Aug 28, 2023, at 2:47 PM, Wang, Fuqiang via Star-fcv-l <star-fcv-l AT lists.bnl.gov> wrote:

Hi Aihong,

Zhiwan's rationale to include only the ZDC data on the final plot was that those data are presumably all void of nonflow contamination. Alternatively, the TPC data and the low mass data could also be included on this plot in order to be complete. I'd prefer the latter, but Zhiwan is giving the talk so she has to be the one to make this call.

Best regards,

Fuqiang

---

From: Star-fcv-l <star-fcv-l-bounces AT lists.bnl.gov> on behalf of Tang, Aihong via Star-fcv-l <star-fcv-l AT lists.bnl.gov>
Sent: Monday, August 28, 2023 11:40 AM
To: STAR Flow, Chirality and Vorticity PWG <star-fcv-l AT lists.bnl.gov>
Cc: Tang, Aihong <aihong AT bnl.gov>; webmaster AT star.bnl.gov <webmaster AT star.bnl.gov>
Subject: Re: [Star-fcv-l] 回覆: STAR presentation by Zhiwan Xu for Quark Matter 2023 got commented by Aihong Tang

 

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Hi, Han-Sheng :

Thanks for the clarification. So the invMass selection is not reflected in the final plot. It is a bit confusing as at one place we highlighted the advantage of the invMass technique but then later on the money plot we avoided of using it.  

But it is ok, I at least understand what you actually did.

Thanks,

Aihong

On Aug 28, 2023, at 10:55 AM, Han-sheng Li via Star-fcv-l <star-fcv-l AT lists.bnl.gov> wrote:

Hi Aihong,

> On slide 13, does the ESE have an invariant mass cut to select low invM region ? If so, can we add the invM cut to the legend ?

The ESE data point comes from the red point on the right-hand side plot (ZDC EP) on slide 8. The data point is the y-intercept over inclusive mass regions so we do not add invM cut on it.

> In the legend shouldn't the "h-h" for ESE be labeled as "pi-pi" because you now calculate invMass so I assume you analyze pions instead of charged hadrons. Similar comment on slide 8 & 9.

The POIs are hadrons with assumed mass equal to pion mass because we have not applied any PID cuts on those tracks.

Thanks for your comments.

Best regards,

Han-Sheng

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寄件者: Star-fcv-l <star-fcv-l-bounces AT lists.bnl.gov> 代表 webmaster--- via Star-fcv-l <star-fcv-l AT lists.bnl.gov>
寄件日期: 2023年8月28日 上午 03:56
收件者: star-fcv-l AT lists.bnl.gov <star-fcv-l AT lists.bnl.gov>
副本: webmaster AT star.bnl.gov <webmaster AT star.bnl.gov>
主旨: [Star-fcv-l] STAR presentation by Zhiwan Xu for Quark Matter 2023 got commented by Aihong Tang

 

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Dear star-fcv-l AT lists.bnl.gov members,

Aihong Tang ( aihong AT bnl.gov ) has commented on a material originally
submitted by Zhiwan Xu ( zhiwanxu AT physics.ucla.edu ) at
https://nam04.safelinks.protection.outlook.com/?url="https%3A%2F%2Fdrupal.star.bnl.gov%2FSTAR%2Fpresentations%2FQuark-Matter-2023%2FSearch-Chiral-Magnetic-and-Vortical-Effects-Using-Event-Shape-Vari-0&data=05%7C01%7Cli3924%40purdue.edu%7C9264c95a63b74edb7a8208dba7cea328%7C4130bd397c53419cb1e58758d6d63f21%7C0%7C0%7C638288278186808336%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=sPpJeurdKXYuREaAuUf4Jbs1VqxCRlGu3S5ezn7ln08%3D&reserved=0

Comment:
Hi, Zhiwan/Han-sheng :
On slide 13, does the ESE have an invariant mass cut to select low invM
region ? If so, can we add the invM cut to the legend ?  Also, In the legend
shouldn't the "h-h" for ESE be labeled as "pi-pi" because you now calculate
invMass so I assume you analyze pions instead of charged hadrons. Similar
comment on slide 8 & 9.
Thanks,
Aihong

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