STAR HardProbes PWG

[Helen Caines <helen.caines AT yale.edu>]

Hi Sooraj,

Since one of your questions is related to changes Monika made to include Youqi’s analysis in the abstract, let me have a stab at answering

L18: What is the difference implied here between ensemble level and jet-by-jet correlations? Arent all out measurements at ensemble level?

Taking a concrete example of the jet mass and the groomed jet mass. Two different measurements before and after Softdrop grooming is applied. On the ensemble level we take all jets measured in all events apply the corrections and end up with a statistical measure of the jet mass and a second statistical measure of the groomed jet mass. On average the groomed mass is smaller but we don’t know if each jet has a slightly mass or most stay the same with some having significantly different masses. That’s the ensemble level measurement. Youqi’s unfolding using Multifold preserves the correlations on a jet-by-jet basis. She can plot (jet mass)-(groomed jet mass) and see how much the mass changes on a jet-by-jet basis. Within errors Youqi’s jet mass has to agree with the ensemble level measurement, the difference is that multifold preserved the correlations between the variables even after the corrections.

Helen

thanks

Sooraj

On Tue, Nov 29, 2022 at 4:10 AM Nihar Sahoo via Star-hp-l <star-hp-l AT lists.bnl.gov> wrote:

Hello Monika and Raghav,

Thank you for your replies.
Your abstract looks good to me.
I sign off.

Cheers
Nihar


On 2022-11-29 00:38, Monika Robotková wrote:
> Hello Barbara and Nihar,
>
> Thank you very much for your comments, I've implemented them and
> uploaded v2 on Drupal page. I kept the sentence about jet charge in
> this version, based on Raghav's previous e-mail.
>
> Best regards,
>
> Monika
> -------------------------
>
> Od: Star-hp-l <star-hp-l-bounces AT lists.bnl.gov> za uživatele Raghav
> Kunnawalkam Elayavalli via Star-hp-l <star-hp-l AT lists.bnl.gov>
> Odesláno: 28. listopadu 2022 19:52:34
> Komu: Nihar Sahoo; STAR HardProbes PWG
> Předmět: Re: [Star-hp-l] STAR presentation by Monika Robotkova for
> Hard Probes 2023 submitted for review
>
> Hi Nihar,
>
> Just a quick point about the statement on jet charge. I suggested to
> Monika to include this so that we distinguish between charge (which is
> not substructure) and other observables built from the clustering
> information. We just wanted to say that it includes some more
> information such as the charge and point out its sensitivity to
> hadronization mechanisms.
>
> Cheers
> Raghav
>
> **************************************
> First Name - Raghav
> Last Name - Kunnawalkam Elayavalli
> email - raghav.ke AT vanderbilt.edu
> website - https://www.raghavke.me  [1]
>
> RHIC/AGS UEC member
> Assistant Professor of Physics
> Stevenson Center 6410
> Physics & Astronomy Department
> Vanderbilt University
> Nashville, TN 37235-1807
> <he/them>
> **************************************
>
>> On Nov 27, 2022, at 9:41 PM, Nihar Sahoo via Star-hp-l
>> <star-hp-l AT lists.bnl.gov> wrote:
>>
>> Hello Monika,
>>
>> Please find my comments on your nice abstract.
>>
>> Title:
>> "SYSTEMATIC EXPLORATION OF THE PERTURBATIVE AND NON-PERTURBATIVE JET
>> SUBSTRUCTURE AT RHIC"
>>
>> How about this?
>> SYSTEMATIC EXPLORATION OF THE PERTURBATIVE AND NON-PERTURBATIVE OF
>> JET SUBSTRUCTURE in pp \sqrt{s}=200 GeV by STAR
>>
>> Here:
>> "THE PERTURBATIVE AND NON-PERTURBATIVE JET SUBSTRUCTURE " doesn't
>> sound good and not clear? Is there any better way to write?
>>
>> L5: "Since jets are…" -> Jets are…
>> L6:"…hadrons, jet substructure…" -> "…hadrons. Jet
>> substructure…"
>> L8: "In this study we use…" -> "In this study, we use…"
>> L10: "Cambridge/Aachen reclustering tree." -> Cambridge/Aachen
>> reclustering algorithm. (Tree doesn't fit well here)
>> L15:"One of these observables…" -> This is not needed. Seems
>> arbitrary.
>> L24: Finally, the data
>> L25: Monte Carlo models, such as …
>>
>> Cheers
>> Nihar
>>
>> On 2022-11-27 21:28, Barbara Trzeciak via Star-hp-l wrote:
>> Hi Monika,
>> I have minor comments and sign off your nice abstract.
>> - Title: I would suggest adding STAR
>> - L18: In particular we explore -> In particular, we explore
>> Cheers,
>> Barbara
>> On Wed, Nov 23, 2022 at 8:57 AM Barbara Trzeciak
>> <barbara.trzeciak AT gmail.com> wrote:
>> Hi Monika,
>> that sounds good. Thank you for the combined abstract.
>> Cheers,
>> Barbara
>> On Wed, Nov 23, 2022 at 1:09 AM Monika Robotková via Star-hp-l
>> <star-hp-l AT lists.bnl.gov> wrote:
>> Dear all,
>> we prepared abstract that combines Youqi's, Raghav's and my
>> analyses. Because neither of them is able to go to Hard Probes, we
>> decided to prepare only one contribution which should be presented
>> by me in case the abstract is accepted.
>> Best regards,
>> Monika
>> -------------------------
>> Od: Star-hp-l <star-hp-l-bounces AT lists.bnl.gov> za uživatele
>> webmaster--- via Star-hp-l <star-hp-l AT lists.bnl.gov>
>> Odesláno: 23. listopadu 2022 1:01:00
>> Komu: Star-hp-l AT lists.bnl.gov
>> Předmět: [Star-hp-l] STAR presentation by Monika Robotkova for
>> Hard Probes 2023 submitted for review
>> Dear Star-hp-l AT lists.bnl.gov members,
>> Monika Robotkova (robotmon AT fjfi.cvut.cz) has submitted a material
>> for a
>> review, please have a look:
>> https://drupal.star.bnl.gov/STAR/node/61829
>> Deadline: 2022-12-05
>> ---
>> If you have any problems with the review process, please contact
>> webmaster AT www.star.bnl.gov
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> Links:
> ------
> [1]
> https://urldefense.com/v3/__https://www.raghavke.me__;!!P4SdNyxKAPE!AksFSfMCpfFoMpF5NwCvRh3SPJz1L1TI2ulBTL6F_g8Zfz7HfmFTkoywNTDRJKT4NSAxojvReHOtiVcWjwWYqyrdISn7SPpFvg$
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--

Sooraj Radhakrishnan

Research Scientist,

Department of Physics

Kent State University

Kent, OH 44243

Physicist Postdoctoral Affiliate

Nuclear Science Division
Lawrence Berkeley National Lab
MS70R0319, One Cyclotron Road

Berkeley, CA 94720

Ph: 510-495-2473

Email: skradhakrishnan AT lbl.gov

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