[d2n-analysis-talk] d2n analysis meeting on July 5 is CANCELLED, next meeting will be July 12

[Diana Parno]

I'm afraid that I'll be on an airplane all Friday afternoon (going to  
a weekend wedding on the East Coast). I'm available earlier in the  
week, though.

I suppose I can always look at slides afterward if Friday is better  
for everyone else.

Best,
Diana

On Jun 29, 2012, at 7:18 AM, Brad Sawatzky wrote:

> Oh yeah, I had forgotten about that workshop.  Friday is fine with me.
>
> Diana, Gregg, Vahe, Zein-Eddine:
>  Could Friday afternoon work for you?  Anytime that afternoon would be
>  fine with me.
>
> -- Brad
>
> On Fri, 29 Jun 2012, Matthew R. Posik wrote:
>
>> Hi Brad,
>>
>>   I forgot that Dave and I will be in the GEANT 4 workshop at JLab  
>> on July
>> 12th, so we will not be able to make it to the d2 meeting at that  
>> time.
>> Would we be able to move it to Friday 7/13 ? Any time after 12:30  
>> will be
>> fine.
>>
>> -Matt
>>
>> On Thu, Jun 28, 2012 at 4:51 PM, Brad Sawatzky <brads at jlab.org>  
>> wrote:
>>
>>> Hi all,
>>>
>>> We decided to cancel the July 5th meeting, so our next meeting  
>>> will be
>>> on July 12 at the usual time.
>>>
>>> I'm hoping that Vahe/Gregg may be able to attend the June 12  
>>> meeting and
>>> give us a status report on the simulation work.  A couple of the top
>>> priorities for near-term analysis need some simulation studies:
>>> - Understanding pair-symmetric backgrounds
>>> - simulation will let us understand the bend-up vs. bend-down
>>>   differences (ie. is it all "geometry")
>>> - generate plots and show data vs. simulation to see if the
>>>   trends match
>>>   - bend-down e+ : bend-up e+    vs. x (or momentum, etc)
>>>   - bend-up   e+ : bend-up e-    vs. x (or momentum, etc)
>>>
>>> - Investigate trackless events
>>> - only ~15% of our T2 triggers have a track --- why?
>>> - Kalyan comments that Transversity analysis thinks that the bulk of
>>>   the trackless events are really pi0 decays
>>>   - details are in a long-note and/or Transversity ELOG entries by
>>>     Xin/Kalyan
>>>   - suggestion was made that these trackless events could be a
>>>     handle on pi0-decay related charged backgrounds(??)
>>>     - ie. use these trackless "pi0" events to calibrate pi0 yields
>>>       in simulation
>>>       - simulation then helps tell us what fraction of those total
>>>         pi0 yields show up as e+:e- backgrounds -- seems possible,
>>>         but probably difficult...
>>>
>>> -- Brad
>
> -- 
> Brad Sawatzky, PhD <brads at jlab.org>  -<>-  Jefferson Lab / Hall C /  
> C111
> Ph: 757-269-5947  -<>-  Fax: 757-269-5235  -<>- Pager: brads-page at jlab.org
> The most exciting phrase to hear in science, the one that heralds new
>  discoveries, is not "Eureka!" but "That's funny..."   -- Isaac Asimov
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