[Clas12_verystrange] VSP at svn - suggested modifs

Igor Strakovsky igor at va.gwu.edu
Mon Mar 19 11:59:57 EDT 2012


Well, is any low for that?


On Mon, 19 Mar 2012 11:13:45 -0400, Eugene Pasyuk <pasyuk at jlab.org> wrote:

> One more correction. There is no such thing as CLAS6. There is CLAS and 
> there is CALS12.
> 
> -Eugene
> 
> 
> On 3/19/12 11:08 , ziegler at jlab.org wrote:
>> Hi all,
>>
>> here is my 2 cents in for the abstract.  I tweek it just a bit.  What do
>> you think:
>>
>> ==================================================================
>>
>> Almost half a century after the prediction and discovery of the
>> $\Omega^-$-baryon, many of the properties of hyperon resonances, in
>> particular cascade states remain unknown.
>> The feasibility of observing these resonances in a photoproduction
>> environment has been predicted by various theoretical models [ref].  The
>> CLAS6 experiment has already validated this statement and the CLAS12
>> experiment offers a unique opportunity to study the production mechanism
>> of these S=-2, -3$ baryons with much higher precision and statistics than
>> CLAS6.
>> The production mechanism of these states is of particular interest from
>> several view points: the variation in strangeness number from initial to
>> final state is large, there is no current precision measurement on their
>> differential cross section nor on their polarization of the cascades.  The
>> spin-parity of the very few relatively well-established cascade states,
>> such as $\Xi(1690)$ and $\Xi(1820)$, may be confirmed from a
>> Double-Moments-Analysis, using joined decay angular distributions.
>> The improved CLAS12 detector acceptance for few-particle final states,
>> which is necessary for the detection of these baryons, makes it possible
>> to access their  production
>> mechanisms.
>> The proposed experiment, would be run in parallel with
>> the approved meson spectroscopy experiment at CLAS12 using the Forward
>> Tagger currently under construction.  It is expected to yield the
>> statistics  necessary to perform cross section measurement for the
>> $\Omega^-$-baryon.
>> The proposed photoproduction experiment is expected to yield high
>> statistics for Cascade baryons, corresponding to the world largest sample
>> for the $\Xi$ ground state and allowing the possibility of discoveries of
>> new excited
>> $\Xi$-states, with the possibility of determining their quantum numbers.
>>
>> ==================================================================
>>
>> V-.
>>
>>> should be "docs":
>>> svn co https://clas12svn.jlab.org/repos/docs/verystrange/proposal
>>>
>>>
>>> On Wed, Mar 14, 2012 at 9:08 PM, Igor Strakovsky<igor at va.gwu.edu>  wrote:
>>>
>>>> clas12svn.jlab.org/repos/dosc/verystrange/proposal
>>>>
>>>> On Wed, 14 Mar 2012 17:24:48 -0700, John Price<jprice at csudh.edu>  wrote:
>>>>
>>>>> For those of us excluded from the meetings, what is the link for it?
>>>>>
>>>>> John
>>>>>
>>>>> On Wed, 2012-03-14 at 17:08 -0700, Igor Strakovsky wrote:
>>>>>> Dear All,
>>>>>>
>>>>>> Lei's abstract is in.  Please find a time to put appropriate info in
>>>> and
>>>>>> do some adjustments
>>>>>>
>>>>>> Igor



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