[Hybrid baryons] Abstract for DNP

Annalisa D'Angelo annalisa at jlab.org
Thu Jun 30 10:15:53 EDT 2022


Dear Izzy,

I agree with Volker comments and suggestions. I would also suggest to 
change the title into a more general form, for example:


*η Electroproduction at CLAS12 *



All the best

Annalisa

Il 30/06/22 15:21, Volker Burkert ha scritto:
> Izzy,
>
>  I would suggest to change the text after "One of the steps ... ".
>
> You should mention the missing mass technique used, and not talk about 
> "eta and eta' detection", as the final states are NOT "detected" but 
> "inferred". I don't think you need to detail the binning procedure and 
> other details.... Your talk will be in the fall of this year, so you 
> should be beyond the binning process, and may have some preliminary 
>  data to show. Maybe some unnormalized yields, at least for the eta. I 
> suggest to de-emphasize the eta' as long as you don't have a 
> definitive signal. You may say that a similar techniques may be used 
> for the eta' analysis.
>
> Volker
>
> ------------------------------------------------------------------------
> *From:* Hybrid_baryons <hybrid_baryons-bounces at jlab.org> on behalf of 
> Izzy Illari <izzy at jlab.org>
> *Sent:* Wednesday, June 29, 2022 10:35 AM
> *To:* CLAS Hadron <clas_hadron at jlab.org>; clas12_rgk at jlab.org 
> <clas12_rgk at jlab.org>; hybrid_baryons at jlab.org <hybrid_baryons at jlab.org>
> *Subject:* [Hybrid baryons] Abstract for DNP
>
> Dear all,
>
> Copied below is my abstract for this year's DNP for approval. I would 
> appreciate any comments or contributions. Thank you in advance for the 
> help.
>
> -title-
> Determination of Kinematical Bins for η and η’ Electroproduction with 
> JLab's CLAS12 Detector
> -/title-
>
> -abstract-
> The CLAS12 physics program is involved in the studies of the nucleon 
> resonance spectrum and structure in electroproduction of a large 
> variety of final states. With new CLAS12 data, we can investigate the 
> electroproduction of the η and η’ mesons, which will provide a useful 
> tool to study nucleon resonances N*. Due to the fact that both η and 
> η’ have isospin I = 0 this provides an “isospin filter” that allows us 
> to access nucleon resonances where I = ½. This work uses the 6.5 GeV 
> data collected by CLAS12, with center of mass energy W ∼ 1-3 GeV, 
> photon virtuality Q2 ∼ 0-6 GeV2, and luminosity 54 fb-1. The purpose 
> of this work is to measure the differential cross section for η and η’ 
> electroproduction. One of the steps necessary for this measurement is 
> the determination of the bins and bin sizes for the kinematical 
> parameters W, Q2, cosθ*, and ϕ*. This will require the development of 
> programs that filter the data and the application of fiducial cuts to 
> the remaining final states. After the data has been reduced to the 
> relevant final states we will develop an automatic method to fit each 
> individual kinematical bin and determine the goodness of said fit. 
> This will enable us to extract the η and η’ signal in each bin to 
> determine which bins can be used and which will need to be adjusted or 
> rejected. Finally, to verify η and η’ detection, we will perform Monte 
> Carlo simulations for comparison. This work is in contrast to the bulk 
> of the current world database, which focuses on πN final states.
> -/abstract-
>
> Sincerely,
>
> Izzy
>
> -- 
> pronouns: they/their/them
>
> Physics Ph.D candidate (Feb 2020)
> Columbian College of Arts & Sciences, The George Washington University
> M.S. in Physics
> The George Washington University (Jan 2020)
> B.A. in Physics
> Barnard College, Columbia University (May 2017)
>
> GWU Foggy Bottom Office:
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>
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>
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-- 
================================================
Prof. Annalisa D'Angelo
Dip. Fisica, Universita' di Roma "Tor Vergata"
Istituto Nazionale di Fisica Nucleare
Sezione di Roma Tor Vergata, Rome Italy
email:annalisa.dangelo at roma2.infn.it  
Jefferson Laboratory, Newport News, VA USA
Email:annalisa at jlab.org
Tel: + 39 06 72594562
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