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Polarizing the Dipoles
| Content Provider | Semantic Scholar |
|---|---|
| Author | Czakon, Michal |
| Copyright Year | 2009 |
| Abstract | 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. 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 provide any implementation of this part at this point, but leave it for the nearest future. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://arxiv.org/pdf/0905.0883v2.pdf |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Cobham's thesis Eighty Nine Emitter Device Component Formal system Lambert's cosine law Large Hadron Collider Leucaena pulverulenta Monte Carlo integration Monte Carlo method Numerical analysis Relevance Summation (document) Wish list |
| Content Type | Text |
| Resource Type | Article |
