[Clas_hadron] Morrison abstract

[Michael Dugger]

Bill,

Perhaps Brian just needs to explicitly state "published data". I do not 
consider unpublished data that happens to have been shown at a conference 
as belonging to the world data base. A lot stuff gets shown at conferences 
that will, for very good reason, never be published.

Just my 2 cents worth.

Take care,
Michael

On Thu, 30 Jun 2011, Bill Briscoe wrote:

> Be careful, Mainz and Bonn are running with polarized beam, target and
> recoil for the last year. The data exist and are being analyzed as we speak.
> Currently, we are taking double polarization using polarized deuterium to
> provide the polarized neutron. Double polarization parameters from both
> places have been shown at conferences. I would word things a little
> differently.
>
> Bill
>
> On Thu, Jun 30, 2011 at 12:18 AM, John Price <jprice at csudh.edu> wrote:
>
>> Hi Brian:
>>
>> Your statement that "...there are no previous measurements for double
>> polarization observables" desperately needs to be preceded by a
>> statement of exactly what process you're talking about.  CLAS has
>> published several double polarization observables in multiple reactions
>> over the years, as have (I suspect) several other facilities.  I would
>> suggest rewording the second sentence as
>>
>> "In the eta photoproduction process on the proton, there are relatively
>> few single polarization measurements, compared to unpolarized
>> differential cross section measurements, and no double polarization
>> measurements."  Some wordsmithing is still needed there.
>>
>> John
>>
>> --
>> John W. Price
>> Professor and Chair of Physics
>> CSU Dominguez Hills
>> 310-243-3403
>>
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>
>
>
> -- 
> William J. Briscoe
> Department of Physics
> The George Washington University
> Director, Center for Nuclear Studies
> Director, Data Analysis Center
> 202-994-6788 (Foggy Bottom Campus)
> 703-726-8340 (Virginia Science and Technology Campus)
>