[Clas12_verystrange] Very Strange Meeting May 2nd

[Michael Dugger]

Eugene,

I'm using gamma for events where the virtual photon energy is 
derived from the forward tagger. Perhaps I could use gammaFT or, as 
suggested, just use the full notation of e P -> e P X.

In the future I'll use whatever people prefer.

Take care,
Michael

On Wed, 2 May 2018, Eugene Pasyuk wrote:

> Mike,
>
> Why gamma p->pX? I suppose you mean ep->epX
>
> -Eugene
>
> ----- Original Message -----
>> From: "Michael Dugger" <dugger at jlab.org>
>> To: "clas12 verystrange" <clas12_verystrange at jlab.org>
>> Sent: Wednesday, May 2, 2018 10:05:53 AM
>> Subject: Re: [Clas12_verystrange] Very Strange Meeting May 2nd
>
>> Hi,
>>
>> I will not be able to attend the meeting today.
>>
>> Here is a short note on where I am at:
>>
>> The Good ->
>>
>> * I can run the new tree that Shankar produced.
>>
>> ** The PID looks OK (about the same as before)
>>
>> ** There are a lot more events at large angle and low momentum. I assume
>> these events are coming from CTOF, but have not checked that assumption.
>>
>> The Bad and the Ugly->
>>
>> * I tried to do a missing mass for the reaction gamma p -> p X. Get huge
>> bump at massX squared = - 0.1 . Can't figure out what is going on there.
>>
>> * The invariant mass of the proton pi^- system is just a blob at masses
>> that look somewhat high. Just a mess really.
>>
>> If anyone can get any good looking physics (some sort of invariant mass
>> peak at about the right location), please let me know. My stuff is just
>> kind of awful :(
>>
>> Take care,
>> Michael
>>
>>> We shall have meeting tomorrow, Wednesday May 2nd at 11:15 JLab time.
>>> Those at JLab meet in L210a
>>>
>>>
>>> Meeting Title: Very Strange Meeting
>>> Meeting Time: Every Wednesday • from September 20, 2017 • 11:15 EDT /
>>> 1 hr
>>> Join Meeting
>>> (Join from computer or phone)
>>>
>>>
>>> Connecting directly from a room system?
>>>
>>> 1) Dial: 199.48.152.152 or bjn.vc
>>> 2) Enter Meeting ID: 979 528 730
>>>
>>> Just want to dial in on your phone?
>>>
>>> 1) Direct-dial with my iPhone or
>>> +1.408.740.7256 (United States)
>>> +1.888.240.2560 (US Toll Free)
>>> +1.408.317.9253 (Alternate number)
>>> ( Global Numbers )
>>> 2) Enter Meeting ID: 979 528 730
>>> 3) Press #
>>>
>>>
>>>
>>> Want to test your video connection?
>>> http://bluejeans.com/111
>>>
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>>
>>
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