[Clas12_verystrange] PAC40 comments response, please read
Michael Dugger
dugger at jlab.org
Wed Jun 12 10:32:11 EDT 2013
Eugene,
I assume that p_b is the Omega momentum because Igor wrote that
"Dalitz plot is constructed in terms of (K+ \Omega) vs (K0 \Omega)"
-Michael
On Wed, 12 Jun 2013, Eugene Pasyuk wrote:
> There are p_1, p_2, p_3, -_Omega, but p_b is not defined in the proposal. Is it a momentum of an intermediate baryon?
>
> -Eugene
>
> ----- Original Message -----
>> From: "Igor Strakovsky" <igor at va.gwu.edu>
>> To: "clas12 verystrange" <clas12_verystrange at jlab.org>
>> Sent: Wednesday, June 12, 2013 10:07:48 AM
>> Subject: Re: [Clas12_verystrange] PAC40 comments response, please read
>>
>> all is in the body of the proposal
>>
>> On Wed, 12 Jun 2013 10:06:48 -0400 (EDT), Eugene Pasyuk
>> <pasyuk at jlab.org>
>> wrote:
>>
>>> Igor ,
>>> Yesterday we could not figure out what is p_b.
>>>
>>> -Eugene
>>>
>>> ----- Original Message -----
>>>> From: "Igor Strakovsky" <igor at va.gwu.edu>
>>>> To: "Michael Dugger" <dugger at jlab.org>
>>>> Cc: "clas12 verystrange" <clas12_verystrange at jlab.org>
>>>> Sent: Wednesday, June 12, 2013 9:57:54 AM
>>>> Subject: Re: [Clas12_verystrange] PAC40 comments response, please
>>>> read
>>>>
>>>> Mike,
>>>>
>>>> That is the theoretical plot and I sent Vitali's clarification to
>>>> Lei
>>>> and Eugene
>>>>
>>>> Here you are...
>>>>
>>>> The Dalitz plot is constructed in terms of (K+ \Omega) vs (K0
>>>> \Omega
>>>> )
>>>> variables. However the amplitude (see Fig.10) is not symmetric
>>>> relative
>>>> to the permutation of the K0 and K+ final states due to isospin
>>>> and
>>>> charge conservation. Therefore the resonance contribution is
>>>> only
>>>> seen
>>>> in one band. For a fully symmetric amplitude one could expect
>>>> two-band
>>>> structure as shown in Fig.13. Such a symmetric amplitude should
>>>> include
>>>> isospin 3/2 \Sigma resonances in the intermediate state.
>>>> Hence
>>>> the
>>>> Dalitz plot might be very useful to disentangle various
>>>> production
>>>> mechanism and to understand the reaction dynamics.
>>>>
>>>> Note the reaction mechanism can be more complicated then
>>>> depicted
>>>> in
>>>> Fig.10. More realistic calculation should also take the CLAS
>>>> acceptance in to account.
>>>>
>>>> On Wed, 12 Jun 2013 09:52:24 -0400 (EDT), Michael Dugger
>>>> <dugger at jlab.org>
>>>> wrote:
>>>>
>>>>>
>>>>> Igor,
>>>>>
>>>>> On page 25 of the proposal there is Fig. 12 that shows "phase
>>>>> space
>>>>> only"
>>>>> distributions and Fig. 13 that shows the "fully symmetric"
>>>>> reaction.
>>>>> The
>>>>> right panel of Fig. 12 has a vertical band at about 5.5 that is
>>>>> also
>>>>> seen in
>>>>> Fig. 13. The vertical band for Fig. 12 does not extend as much as
>>>>> for Fig.
>>>>> 13.
>>>>>
>>>>> We tried to understand the distributions during the meeting
>>>>> yesterday but we
>>>>> did not find the definition of "p_b" in the proposal.
>>>>>
>>>>> Also, I do not know what "fully symmetric" means.
>>>>>
>>>>> In short, we do not understand the figures because we don't know
>>>>> what p_b
>>>>> is, and that means we don't know how to reply to the comment.
>>>>>
>>>>> We just need a bit of clarification.
>>>>>
>>>>> Take care,
>>>>> Michael
>>>>>
>>>>> On Wed, 12 Jun 2013, Igor Strakovsky wrote:
>>>>>
>>>>>> Me too and I do not know what Lei is asking me for
>>>>>>
>>>>>> On Wed, 12 Jun 2013 09:29:00 -0400 (EDT), Michael Dugger
>>>>>> <dugger at jlab.org>
>>>>>> wrote:
>>>>>>
>>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> The response to 9 and 10 seem OK to me.
>>>>>>>
>>>>>>> Take care,
>>>>>>> Michael
>>>>>>>
>>>>>>> On Tue, 11 Jun 2013, Lei Guo wrote:
>>>>>>>
>>>>>>>> Hi, All,
>>>>>>>>
>>>>>>>> I compiled a response to PAC40 comments. Please check and let
>>>>>>>> me
>>>>>>>> know
>>>>>>>> if you think it should be modified.
>>>>>>>> Under svn, please check out PAC40Comment.pdf or
>>>>>>>> PAC40Comment.docx
>>>>>>>>
>>>>>>>> Specifically, we are missing an answer to question 6, which
>>>>>>>> Igor
>>>>>>>> promised that he will do it tonight.
>>>>>>>> Also, I felt the answer to question 9 and10 might not be
>>>>>>>> adequate.
>>>>>>>> Maybe Mike can take a look at it?
>>>>>>>>
>>>>>>>> Cheers!
>>>>>>>>
>>>>>>>> Lei
>>>>>>>> **************************************
>>>>>>>> @
>>>>>>>> / *
>>>>>>>> / ___ ___ Lei Guo _______________________
>>>>>>>> L_O_/ ____ Florida International University____/_/
>>>>>>>> \ | Physics Dept., CP
>>>>>>>> 212 / /
>>>>>>>> / \ | Miami, FL
>>>>>>>> 33199 / / /
>>>>>>>> / I_/ \ ____ USA _____ /______/__________/ /
>>>>>>>> / /
>>>>>>>> L
>>>>>>>> / / /
>>>>>>>> / /
>>>>>>>> / / / / /
>>>>>>>> /
>>>>>>>> /
>>>>>>>> /_/__________/______/______/__________/_/
>>>>>>>> /_/__________/______/______/__________/_/
>>>>>>>> 305-348-0234(o)
>>>>>>>>
>>>>>>>> **************************************
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
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>>>>>>> _______________________________________________
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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
>>>>>>
>>>>
>>>> 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
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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
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