[Clas12_rgb] [EXTERNAL] Re: trains redefinition - feedback needed

Marco Mirazita Marco.Mirazita at lnf.infn.it
Fri Nov 13 11:26:32 EST 2020


Dear Silvia,
so, out of the 60% DST size, 45% are coming from inclusive and 15% from 
the rest of the skims.
To stay within the 20%, the inclusive skim should reduce the size by a 
factor of 10, if the other skims stay as they are. I think this is 
impossible.
Even a factor of 2 or 3 reduction would not be enough, therefore I 
hardly see any way to keep the inclusive skim within the limit.
It would be nevertheless useful to see what we can gain by applying the 
cut Q2>1 also to the inclusive.
Marco




Il 2020-11-13 17:09 Stepan Stepanyan ha scritto:
> Dear Silvia,
> 
> I am not the one who requested the inclusive skim, but if my skim will
> be 60% of the DSTs I rather run my analysis off DSTs. So, decision to
> drop the inclusive skim seems is the right one.
> 
> My two cents.
> 
> Regards, Stepan
> 
>> On Nov 13, 2020, at 8:02 AM, silvia at jlab.org wrote:
>> 
>> Dear all,
>> one of the two recommendation of the RG-B Fall review is to reduce
>> considerably the size of our trains. Due to the much higher rates at 
>> low
>> Q2 of the outbending Fall data, compared to the Spring ones, our 
>> inclusive
>> train is too big. Our trains are in total 60% of the size of the 
>> cooked
>> run, and the inclusive train makes up for 75% of this. The committee
>> recommends to scale down the skims size to no more than 20% of the 
>> cooked
>> files.
>> We are therefore planning to remove this train. If people really need
>> this, please let us know, and we can discuss and find out if it is
>> possible to find some additional cuts to include in order to make it
>> bearable.
>> We are also planning to add a Q2>1 cut to the DVCS train to reduce its 
>> size.
>> Please get in touch as soon as possible if you have objections or 
>> comments
>> on this plan. I'd like to send a reply to the committee by this 
>> evening
>> (EU time).
>> Thanks a lot and best regards,
>> Silvia
>> 
>> 
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> 
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