[Eg6_analysis] DNP meeting in Santa Fe

Stepan Stepanyan stepanya at jlab.org
Tue Jul 7 14:38:32 EDT 2015


Hi Silvester,

Sorry for a late response, abstract is OK, but bit too long. If you have 
not
submitted it yet, I think deadline was extended, I would suggest to get 
read
of the first paragraph.

Stepan

On 7/1/15 3:14 PM, Sylvester Joosten wrote:
> Hi everyone,
>
> Below you can find a draft of my abstract. Please let me know if you 
> have any suggestions.
>
> Cheers,
> Sylvester
>
> -----
>
> The European Muon Collaboration (EMC) observed the first signs of a 
> modification of the partonic structure of the nucleon when present in 
> a nuclear medium. The precise nature of these effects, as well as 
> their underlying cause, is yet to be determined. The generalized 
> parton distribution (GPD) framework provides a powerful tool to study 
> the partonic structure of nucleons inside a nucleus, as it encodes a 
> multidimensional representation of the nucleon structure at the 
> partonic level.
>
> Hard exclusive leptoproduction of a real photon off a nucleon, deeply 
> virtual Compton scattering (DVCS), is presently considered to allow 
> for the cleanest experimental access to the GPDs through the related 
> Compton form factors (CFFs). This is especially the case for 
> scattering off a helium nucleus, where only a single CFF contributes 
> to the process due to its zero spin. The real and imaginary parts of 
> this CFF can be constrained through a measurement of the beam-spin 
> asymmetry (BSA).
>
> We will present the first measurements of the DVCS process off 4He 
> using the 6 GeV polarized electron beam of the Thomas Jefferson 
> National Accelerator Facility and the CLAS detector in the 
> experimental Hall B. For these measurements, the CLAS detector was 
> supplemented with an inner electromagnetic calorimeter for photons 
> produced at small angles, as well as a radial time projection chamber 
> (RTPC) to detect low-energy recoil nuclei. This setup allowed a clean 
> measurement of the BSA in both the coherent and the incoherent channels.
>
> -----
>
>
> On Wed, Jul 1, 2015 at 11:59 AM, Sylvester Joosten 
> <sylvester.joosten at temple.edu <mailto:sylvester.joosten at temple.edu>> 
> wrote:
>
>     Hi Lamiaa,
>
>     Great, that means there is no reason to rush.
>
>     Cheers,
>     Sylvester
>
>     On Wed, Jul 1, 2015 at 11:55 AM, Lamiaa El Fassi
>     <lamiomar at gmail.com <mailto:lamiomar at gmail.com>> wrote:
>
>         Hi Sylvester and All,
>
>         It seems there is an extension in the abstract deadline for
>         the upcoming DNP meeting. According to the web site, "
>         Abstracts will be accepted through July 9."
>         Best regards,
>
>         Lamiaa
>
>         *********************************************************************
>         * Assistant Prof. Lamiaa El Fassi email: elfassi at jlab.org
>         <mailto:elfassi at jlab.org>
>         *********************************************************************
>
>         * Phone: (662) 325-2806
>         * 125 Hilbun Hall
>         * Lee Blvd, Box 5167
>         * Mississippi State, MS 39762
>         *********************************************************************
>
>         On Wed, Jul 1, 2015 at 11:18 AM, Sylvester Joosten
>         <sylvester.joosten at temple.edu
>         <mailto:sylvester.joosten at temple.edu>> wrote:
>
>             Hi Mohammad, hi Stepan,
>
>             I would be interested in presenting our results at the
>             DNP. If this is OK with you, I will send around an
>             abstract shortly so I can submit before today's deadline
>             expires.
>
>             Cheers,
>             Sylvester
>
>             On Tue, Jun 30, 2015 at 12:58 PM, hattawy
>             <hattawy at ipno.in2p3.fr <mailto:hattawy at ipno.in2p3.fr>> wrote:
>
>                 Hello Stepan and All,
>                   I cannot go to the next DNP meeting. However, if
>                 there is anyone would like to present our results, I
>                 can give him all the material he needs.
>
>                 -Mohammad.
>
>
>
>                 On 2015-06-30 18:07, Stepan Stepanyan wrote:
>
>                     Dear all,
>
>                     The deadline for abstract submission to the DNP
>                     meeting this October
>                     is July 1, tomorrow.
>                     Is any one planning to go and present results from
>                     eg6.
>
>                     Thanks, Stepan
>
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