[ee] TCS-JPsi meeting on Thursday at 9 am EST

[Valery Kubarovsky]

I suggest just to change10 GeV electron beam energy to 11. That's it. 

> From: "Stepan Stepanyan" <stepanya at jlab.org>
> To: "Pawel Nadel-Turonski" <turonski at jlab.org>
> Cc: "Valery Kubarovsky" <vpk at jlab.org>, ee at jlab.org
> Sent: Friday, April 7, 2017 4:26:23 PM
> Subject: Re: [ee] TCS-JPsi meeting on Thursday at 9 am EST

> The threshold is ~10 GeV. At 10.5 GeV photon energy the W=4.54 GeV, the heaviest
> pentaquark mass is 4.45 GeV. Not much cushion but still doable.

> Stepan

>> On Apr 7, 2017, at 4:22 PM, Pawel Nadel-Turonski < turonski at jlab.org > wrote:

>> Hi Valery,

>> This is a very good point. But we may not have an energy higher than 10.6 GeV
>> available to us this fall. Perhaps we should try to make an argument to the new
>> management for trying to get the energy up to nominal as soon as possible?

>> Cheers,
>> Pawel

>>> On Apr 7, 2017, at 3:28 PM, Valery Kubarovsky < vpk at jlab.org > wrote:

>>> Hi Charles,

>>> The threshold photon energy for the LHCb pentaquark (J/psi-p) production
>>> gamma+p--> P5 --> J/psi+p
>>> is 10.5 GeV. It means that the election energy has to be 11 GeV.
>>> I don't think that we want to miss the possibility to found the signal in the
>>> photo production reaction.

>>> Regards,
>>> Valery

>>>> From: "Charles Earl Hyde" < hyde at jlab.org >
>>>> To: "Pawel Nadel-Turonski" < turonski at jlab.org >
>>>> Cc: ee at jlab.org
>>>> Sent: Thursday, April 6, 2017 10:28:08 AM
>>>> Subject: Re: [ee] TCS-JPsi meeting on Thursday at 9 am EST

>>>> Pawel, Stepan, et al
>>>> Here is my summary of the Run Group A requirements for TCS/J-Psi
>>>> from this morning's meeting.
>>>> I think it will be important to send a version of this (probably marked
>>>> preliminary)
>>>> to all RGA spokespersons before the first RGA meeting, possibly scheduled for
>>>> next week.

>>>> Revisions and additions are welcome (maybe some of my editorial comments
>>>> should be removed from the request we send to RGA).
>>>> I think it will be helpful to be as specific/quantitative as possible,
>>>> even if many things
>>>> are uncertain and most will be subject to collaborative negotiation.

>>>> Charles E. Hyde
>>>> University Professor of Physics
>>>> Old Dominion University
>>>> www.odu.edu/~chyde
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