[clas12_rgk] [EXTERNAL] Re: Abstract for DNP
Annalisa D'Angelo
annalisa.dangelo at roma2.infn.it
Thu Jun 27 03:07:30 EDT 2024
Dear Izzy,
Nice abstract. I would support Axel's suggestion as well and propose a
simple title such as:
/η electroproduction at CLAS12/
All the best
Annalisa
Il 27/06/24 03:23, Axel Schmidt via clas12_rgk ha scritto:
> Hi Izzy,
> Great abstract. Does the talk have a title?
>
> If I can be helpful, the text:
>
> /The ηN final states, accessible only via isospin I = 1/2 resonances,
> provide a unique tool for studying nucleon excitations. By simplifying
> the analysis and enabling a cleaner extraction of resonance properties
> compared to the extensively studied πN final states, η
> electro-production offers a complementary approach. /
>
> could be condensed to:
>
> /The ηN final states, accessible only via isospin I = 1/2 resonances,
> provide a complimentary tool to the more extensively studied πN system
> for the extraction of resonance properties. /
>
> without much loss of information.
>
> Best of luck,
> Axel
>
>> On Jun 26, 2024, at 15:13, Igor Strakovsky via clas12_rgk
>> <clas12_rgk at jlab.org> wrote:
>>
>> The same fo me
>>
>>
>> On Wed, Jun 26, 2024 at 3:12 PM Bill Briscoe <briscoe at gwu.edu> wrote:
>>
>> Looks good to me
>>
>> On Wed, Jun 26, 2024, 14:17 Izzy Illari <izzy at jlab.org> wrote:
>>
>> Dear RG-K Group and HSWG Members,
>>
>> I hope this email finds you well. I'm writing to follow up on
>> my previous communication regarding the abstract submission
>> for the DNP.
>>
>> Following feedback and adhering to the APS DNP guidelines, I
>> have revised the abstract to meet the 1300 character limit.
>> Please find the updated abstract below:
>>
>> The exploration of nucleon structure and electromagnetic
>> transitions from ground state to excited state is a
>> cornerstone of nuclear physics research. Meson
>> electro-production experiments have opened new avenues for
>> investigating these phenomena, particularly in the 12 GeV era
>> at Jefferson Lab with the CLAS12 spectrometer. The ηN final
>> states, accessible only via isospin I = 1/2 resonances,
>> provide a unique tool for studying nucleon excitations. By
>> simplifying the analysis and enabling a cleaner extraction of
>> resonance properties compared to the extensively studied πN
>> final states, η electro-production offers a complementary
>> approach. This work presents the first-ever measurement of
>> the beam spin asymmetry (ALU) in exclusive η
>> electroproduction, covering a previously unexplored kinematic
>> region with 1.6 ≤ W ≤ 2.2 GeV. ALU is determined from the
>> CLAS12 data using an analysis framework that considers the
>> statistical limitations of the data set. Results are compared
>> to theoretical models Jülich-Bonn-Washington and EtaMAID. ALU
>> exhibits discrepancies with model predictions, highlighting
>> the potential for refining theoretical descriptions of
>> nucleon resonances and their electromagnetic couplings. These
>> new results in a previously unmeasured kinematic region
>> provide valuable input for future theoretical developments.
>>
>> Thank you for your time and input. I appreciate any
>> additional feedback or suggestions you may have on this
>> revised version.
>>
>> All the best,
>> Izzy
>> On Jun 25, 2024, at 7:04 PM, Bill Briscoe <briscoe at gwu.edu>
>> wrote:
>>
>> An abstract submitted via the APS meeting page will cut
>> off if the abstract is too long. This is too long. Please
>> do a test run without submitting the abstract and prune
>> it down.
>>
>> Bb
>>
>> On Tue, Jun 25, 2024, 19:00 Izzy Illari
>> <iti2103 at gwmail.gwu.edu> wrote:
>>
>> Dear RG-K Group and HSWG Members,
>>
>> I hope this email finds you well.
>>
>> I have been encouraged by RG-K group to submit an
>> abstract for the upcoming DNP October 7-10. The
>> abstract is identical to the one I presented at the
>> PWA/ATHOS conference in May, which has already been
>> previously circulated to the HSWG.
>>
>> For your convenience, I have copied the abstract
>> again down below. The abstract submission deadline is
>> 8 July 2024.
>>
>> I would appreciate any feedback or suggestions you
>> may have regarding the abstract.
>>
>> Thank you and all the best,
>> Izzy
>>
>> Exclusive $\eta$ Electro-Production Beam Spin
>> Asymmetry Measurements using CLAS12 at Jefferson Lab
>>
>> The exploration of nucleon structure and
>> electromagnetic transitions from ground state to
>> excited state is a cornerstone of nuclear physics
>> research. Meson electro-production experiments have
>> opened new avenues for investigating these phenomena,
>> particularly in the 12 GeV era at Jefferson Lab with
>> the CLAS12 spectrometer. The $\eta N$ final states,
>> accessible only through isospin $I = 1/2$ resonances,
>> provide a unique tool for studying nucleon
>> excitations. By simplifying the analysis and enabling
>> a cleaner extraction of resonance properties compared
>> to the extensively studied $\pi N$ final states,
>> $\eta$ electro-production offers a complementary
>> approach to unraveling the structure of excited
>> nucleons. This work presents the first-ever
>> measurement of the beam spin asymmetry (BSA) in
>> exclusive $\eta$ electro-production, covering a
>> previously unexplored kinematic region with $1.6 \leq
>> W \leq 2.2$ GeV. The BSA is extracted from the CLAS12
>> data using a comprehensive analysis framework that
>> carefully considers the statistical limitations of
>> the data set. The results are compared to predictions
>> from theoretical models, such as the
>> J"{u}lich-Bonn-Washington (JBW) and MAID, as well as
>> compared to previously published cross-section and
>> spin observable results from CLAS, and SLAC. Notably,
>> the extracted BSA exhibits discrepancies with the
>> model predictions, highlighting the potential for
>> refining theoretical descriptions of nucleon
>> resonances and their electromagnetic couplings
>> through the incorporation of these new data. The
>> high-precision data obtained in this previously
>> unmeasured kinematic region now serve as valuable
>> input for theorists to refine their models.
>>
>> --
>> Izzy Illari
>> Pronouns: They/Them
>>
>> M.Phil. in Physics | The George Washington
>> University, 2022
>> Graduate Certificate in Data Science | The George
>> Washington University, 2021
>> M.S. in Physics | The George Washington University, 2020
>> B.A. in Physics | Barnard College, Columbia
>> University, 2017
>>
>> GWU: iti2103 at gwmail.gwu.edu | JLab: izzy at jlab.org
>>
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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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