[Rivet] Jets in DIS

[Hannes Jung]

Hi Leif, Andy et al

the measurements are in terms of Q2,y,x, so the definiton of the scattered electron does no longer enter here. In hztool we had  a definiton of the scattered electron idependent on the generator,
and it stored the scattered electron.
Now since the effect of misidentification of the scattered electron is already included in the correction of the data, one needs a defintion, which really identifies the scattered electron.
There should be not different ways to identify the electron, there is only ONE scattered electron in DIS.

Cheers

Hannes

On 19 Oct 2011, at 17:40, Andy Buckley wrote:

On 19/10/11 12:24, Leif Lönnblad wrote:
On 2011-10-19 10:04, Hannes Jung wrote:
hm, taking just the frist electron might be tricky, as it is not based
on physics.

I'm a bit surprised about this discussion. The whole point with rivet is
to do what the experiments do. H1 had one (or maybe several) very
specific way of finding the scattered electron. For an H1 analysis, this
should be reproduced in Rivet. The modular structure of Rivet means that
we can implement several electron finders (subclasses of DISLepton). A
given rivet analysis should use the one which corresponds to the one
used in the experimental analysis. And if the ones included in the rivet
distribution does not fit a specific analysis, one would have to
implement a new one. Or am I misunderstanding the discussion?

I don't think you're misunderstanding the discussion, no! So if the HERA people on this email can point us to the scattered lepton experimental definitions for the few HERA papers implemented in Rivet, we'll happily implement them as appropriate.

Cheers,
Andy

--
Dr Andy Buckley
SUPA Advanced Research Fellow
Particle Physics Experiment Group, University of Edinburgh

The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.



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Hannes Jung
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