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Breit Wigner

Breit Wigner is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Breit Wigner books and related discussion.

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How To Produce Exotic Baryons
On the right is shown the calculated cross section as a function of the incident photon energy: it of course is a "breit-wigner" (or Lorenzian) shape, characteristic of the resonant production. The Gamma parameter is the width assumed for the state.
A Four-Sigma Evidence Of New Physics In Rare B Decays Found By LHCb, And Its
Today I received news of an interesting measurement of angular distributions of the decay products in the rare decay of the B meson to a K* and a muon pair - one of the specialties of the LHCb collaboration, which has more horse-power in some of these ...
The Plot Of The Week - Higgs Width
An Exquisite New W Mass Measurement From CDF !
Because of the missing longitudinal information, the "transverse mass" has a shape different from that of a resonance: it is not a Breit-Wigner, but rather a "Jacobian peak", sharp on the right edge, and more blunt on the other.
Notes On Higgs Branching Fractions
In my latest instantiation of the "Guess the plot" series I offered a clipped part of a graph showing branching fractions of the Higgs boson.

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