Polarizing the Dipoles

Details Polarizing the Dipoles Polarizing the Dipoles

2009-05-06

arxiv.org/abs/0905.0883v3

JHEP 0908:085,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 4 figures, Integrated dipoles implemented for massless and massive cases

Scientific paper

10.1088/1126-6708/2009/08/085

We extend the massless dipole formalism of Catani and Seymour, as well as its massive version as developed by Catani, Dittmaier, Seymour and Trocsanyi, to arbitrary helicity eigenstates of the external partons. We modify the real radiation subtraction terms only, the primary aim being an improved efficiency of the numerical Monte Carlo integration of this contribution as part of a complete next-to-leading order calculation. In consequence, our extension is only applicable to unpolarized scattering. Upon summation over the helicities of the emitter pairs, our formulae trivially reduce to their original form. We implement our extension within the framework of Helac-Phegas, and give some examples of results pertinent to recent studies of backgrounds for the LHC. The code is publicly available. Since the integrated dipole contributions do not require any modifications, we do not discuss them, but they are implemented in the software.

Affiliated with

Also associated with

No associations

Rating

Polarizing the Dipoles does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Polarizing the Dipoles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polarizing the Dipoles will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-542536