[G14_run] DNP meeting contributed talk

[Igor Strakovsky]

Dear Peng,

I have the same suggestion which I made for Tsuneo.  You do not have free 
neutron target and going to present data on the bounded neutron!!
Please fix your abstract

Kind Regards, Igor

On Fri, 27 Jun 2014 12:46:53 -0400, Peng Peng <pp9e at virginia.edu> wrote:

> Dear Colleagues,
> 
> I would like to give a contributed talk in the DNP meeting this Fall. 
>Following is the abstract, your comments will be greatly appreciated.
> 
> -title-
>  Polarization observables for double charged pion photo-production with 
>polarized HD target
> -/title-
> 
> -abstract-
>  A complete characterization of spectrum of N* and Delta resonances for 
>nucleon is essential to understand the internal structure of the nucleon. 
>However both the recent Lattice QCD and the conventional Constitute Quark 
>Model have predicted more resonances than experimentally observed. Most of 
>these missing resonances lie above 1.8 GeV with broad line-shapes and they 
>overlap with their neighboring states. To distinguish the overlapping states 
>requires efforts from both experimentalists and theorists. On the experiment 
>side, measuring the polarization observables for all the decay channels will 
>help to remove the ambiguities in deterring the multipoles in partial wave 
>analysis. On the theory side, using more realistic pion mass in Lattice QCD 
>calculation and adding the new measured data in the phenomenological models 
>will provide us a more accurate model. The joint efforts from both the theory 
>and the experiment will deepen our understanding in the confinement region of 
>QCD. The work presented in this talk is to analyze the polarization 
>observables for double charged pion photo-production with polarized HD 
>target. This experiment with the name G14 was conducted in Hall B in 
>Jefferson Lab from November 2011 to May 2012. Both circularly and linearly 
>polarized beam with high polarization were used in G14, and the polarized HD 
>has both longitudinal polarized protons and neutrons. The center of mass 
>energy ranges from 1.4GeV to 2.2GeV for circularly polarized beam, and ranges 
>from 1.6GeV to 2.2GeV for linearly polarized beam. Many final states channels 
>were produced in this experiment, such as single pion, double pion and Kaon 
>Lambda, etc. This talk will present the three polarization observables in the 
>double pion photo-production with both longitudinal polarized proton and 
>neutron target and circularly polarized beam. An earlier experiment in Hall B 
>JLab, G9a,  has given the results for this process with polarized proton 
>target. The new results from G14 will be compared with the G9 results for 
>proton target, and the new neutron data will also be presented.      
> 
> -/abstract-
> 
> Cheers,
> Peng
> 
> On Jun 27, 2014, at 12:00 PM, g14_run-request at jlab.org wrote:
> 
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>> Today's Topics:
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>>   1. g14 group meeting on 27June2014, 9:00am (Charles Hanretty)
>> 
>> 
>> ----------------------------------------------------------------------
>> 
>> Message: 1
>> Date: Thu, 26 Jun 2014 12:06:06 -0400
>> From: Charles Hanretty <charleshanretty at gmail.com>
>> Subject: [G14_run] g14 group meeting on 27June2014, 9:00am
>> To: g14_run at jlab.org
>> Message-ID:
>> 	<CAL9AGi9S=LdHYioiqZ-_UhwA86=iDRxJWKfqTCOG=XR0v25dSQ at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>> 
>> Dear Collaborators,
>> 
>> Our next group meeting is scheduled for tomorrow, Friday, June 27th,
>> at 9:00am in room A-110.
>> 
>>           (instructions for off-site participants below)
>> 
>> Agenda:
>> * pass1 cooking
>> * ongoing analyses
>> * other items
>> 
>> (see http://clasweb.jlab.org/rungroups/g14/wiki/index.php/June_27,_2014 )
>> 
>> Please update the agenda as required.
>> 
>> ==========================================================
>> Instructions for offsite participants:
>> * Dial Toll-Free Number: 866-740-1260 (U.S.& Canada)
>>    o International participants dial: Toll Number: 303-248-0285
>>    o Or International Toll-Free Number:http://www.readytalk.com/intl
>> * Enter 7-digit access code, 2877656 followed by #
>> ==========================================================
>> 
>> 
>> -- 
>> Cheers,
>> Charles Hanretty
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>> End of G14_run Digest, Vol 33, Issue 9
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> 

Igor Strakovsky, SAID CNS The George Washington University
Tel: 703-726-8344(NV),202-994-4742(FB),Skype: igors1945_2
Fax: 202-994-3001(FB),Emails: igor at va.gwu.edu, igor at jlab.org