Monday, February 25, 2013

Possible Higgs Has Strong Even Parity

CMS and ATLAS continue to investigate the particle discovered last year that are strong candidates to be the Higgs. The latest result out of CMS is the study of the parity of this particle.

One important test is the parity of the particle: how its mirror image behaves. In a mirror, even-parity particles look the same, whereas odd-parity particles appear reversed. The standard model Higgs boson is a scalar, a spin-0 even-parity particle. But there are many models that include a spin-0 odd-parity particle known as a pseudoscalar.

Turns out that the result points strongly towards the even-parity particle, which is consistent with the Standard Model Higgs.


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