[Rivet] Accessing partonic quantities

[David Grellscheid]

Hi Daniel,

Rivet itself provides no direct access, since top quarks are not
well-defined observables.

To get there anyway, you can ask the Rivet event for its underlying
HepMC::GenEvent object and trace the ancestors of particles there using
the HepMC functionality. Please don't do this for portable experimental
analyses, though.

See you,

  David


On 20/07/15 14:31, Daniel Rauch wrote:
> Dear Rivet authors,
> 
> is it possible to access parton-level information even in showered and 
> hadronized events?
> More concrete: Is there a way of directly getting top-quark quantities, 
> e.g. like pT, eta, etc., even after its decay?
> By directly I mean: other than reconstructing the top quark from b-jets 
> and W candidates in the analysis.
> 
> Many thanks for your efforts!
> Daniel Rauch
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