Majoron at two loops
نویسندگان
چکیده
منابع مشابه
Noncommutative Φ 4 Theory at Two Loops
We study perturbative aspects of noncommutative field theories. This work is arranged in two parts. First, we review noncommutative field theories in general and discuss both canonical and path integral quantization methods. In the second part, we consider the particular example of noncommutative Φ 4 theory in four dimensions and work out the corresponding effective action and discuss renormali...
متن کاملHeavy-Higgs Lifetime at Two Loops
The Standard-Model Higgs boson with mass MH ≫ 2MZ decays almost exclusively to pairs of W and Z bosons. We calculate the dominant two-loop corrections, of O(GFM 4 H), to the partial widths of these decays. In the on-mass-shell renormalization scheme, the correction factor is found to be 1 + 14.6%(MH/TeV) 2 + 16.9%(MH/TeV) 4, where the second term is the one-loop correction. We give full analyti...
متن کاملTesting M(atrix) Theory at Two Loops
This lecture is based on two papers; a first paper that was written with Melanie Becker [1] and a second paper that we wrote with our collaborators Joe Polchinski and Arkady Tseytlin [2]. M-theory is our most promising candidate of being a quantum theory in eleven dimensions that includes gravity. Although we do not have a complete answer to the question what M-theory is we understand several a...
متن کاملHiggs Decay to Photons at Two Loops *
The standard model (SM) predicts the existence of one scalar particle, the Higgs boson (H). The Higgs boson is the only particle of the SM which has not been found until now. Electroweak precision data mainly collected at CERN LEP and SLAC SLC in combination with the direct top-quark mass measurement at the Tevatron would favour a light Higgs boson with a mass below about 200 GeV at the 95% con...
متن کاملThe Wznw Model at Two Loops
We study perturbatively the (conformal) WZNW model. At one loop we compute one-particle irreducible twoand three-point current correlation functions, both in the conventional version and in the classically equivalent, chiral, nonlocal, induced version of the model. At two loops we compute the two-point function and find that it vanishes (modulo infrared-induced logarithms). We use dimensional r...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review D
سال: 2019
ISSN: 2470-0010,2470-0029
DOI: 10.1103/physrevd.100.095015