[Rivet] WFinder Missing Et

[James Henderson]

OK, will do. Thanks very much for the quick replies and advice.

Jim

On 12 February 2015 21:54:02 CET, Andy Buckley <andy.buckley at cern.ch> wrote:
>Short answer: yes, and it'll be fixed in the next release. For now
>making a cut on the constituent neutrino will be almost entirely
>equivalent (assuming there's only one significant source of missing ET
>in your events). Apologies for the bug!
>
>Andy
>
>
>On 12/02/15 20:45, Deepak Kar wrote:
>> Hi James,
>> 
>> This thread may be of help:
>> https://www.hepforge.org/lists-archive/rivet/2015-January/005373.html
>> 
>> Cheers,
>> Deepak
>> 
>> On Thu, Feb 12, 2015 at 10:40 PM, James Henderson
>> <James.Henderson at physics.ox.ac.uk> wrote:
>>> Hello,
>>>
>>> I was implementing WFinder in my analysis using the afs setup at:
>>>
>/afs/cern.ch/sw/lcg/external/MCGenerators_lcgcmt67b/rivet/2.2.0/x86_64-slc6-gcc48-opt/
>>>
>>> I see that the missing eT cut is not respected by wfinder in that
>the
>>> constituentNeutrino eT is often well below the missing eT cut
>requested in
>>> the wfinder constructor.
>>> Looking at
>>>
>/afs/cern.ch/sw/lcg/external/MCGenerators_lcgcmt67b/rivet/2.2.0/share/sources/src/Projections/WFinder.cc
>>> (lines 125-131) I see the missingET cut is applied on the scalar sum
>of the
>>> visible momentum in the event rather than on the missing momentum.
>>>
>>> Should this cut not be applied to the transverse magnitude of the
>vector sum
>>> of the total event momentum rather than the scalar sum?
>>>
>>> Thanks,
>>> Jim
>>> _______________________________________________
>>> Rivet mailing list
>>> Rivet at projects.hepforge.org
>>> https://www.hepforge.org/lists/listinfo/rivet
>> 
>> 
>> 
>
>
>-- 
>Dr Andy Buckley, Royal Society University Research Fellow
>Particle Physics Expt Group, University of Glasgow / PH Dept, CERN

-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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