Results 51 to 60 of about 117 (72)

Tensor bounds on the hidden universe

Journal of High Energy Physics, 2018
During single clock inflation, hidden fields (i.e. fields coupled to the inflaton only gravitationally) in their adiabatic vacua can ordinarily only affect observables through virtual effects.
Adrián del Rio, Ruth Durrer, Subodh P. Patil   +2 more
doaj   +1 more source

Quantum field theory with no zero-point energy

Journal of High Energy Physics, 2018
Traditional quantum field theory can lead to enormous zero-point energy, which markedly disagrees with experiment. Unfortunately, this situation is built into conventional canonical quantization procedures.
John R. Klauder
doaj   +1 more source

The Z penguin in generic extensions of the Standard Model

Journal of High Energy Physics, 2019
Precision flavour observables play an important role in the interpretation of results at the LHC in terms of models of new physics. We present the result for the one-loop Z penguin in generic extensions of the standard model which exhibit exact ...
Joachim Brod, Martin Gorbahn
doaj   +1 more source

Asymptotic behavior of diagram classes

Journal of High Energy Physics
Perturbative expansions in quantum field theory are typically asymptotic, with large-order growth driven by instantons (factorial proliferation of diagrams) and renormalons (factorial growth from momentum integrations).
Luen Clingerman, Matthew D. Schwartz
doaj   +1 more source

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Introduction to Renormalization Theory and Chiral Gauge Theories in Dimensional Regularization With Non-Anticommuting γ5

Symmetry, 2023
Hermes Bélusca-Maïto, Matthias Weisswange, Dominik Stöckinger   +2 more
exaly  

Instantons or Renormalons? Remarks On ?4?=4 Theory in the MS Scheme

Physical Review D, 2022
Gerald V. Dunne, Max Meynig
exaly  

Renormalization Scheme-Invariant Large-Order Perturbation Theory and Infrared Renormalons in QCD

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 1993
M Beneke
exaly  

Renormalons in Quantum Mechanics

Journal of High Energy Physics, 2019
Cihan Pazarbasi, Dieter van den Bleeken
exaly  

Running Coupling at Low Momenta, Renormalization Schemes, and Renormalons

Physics of Atomic Nuclei, 2001
N V Krasnikov
exaly  

Dimensional Regularization vs Methods in Fixed Dimension With and Without γ5

Journal of High Energy Physics, 2018
Adriano Cherchiglia, Manuel Pérez-Victoria Moreno De Barreda, José Santiago Pérez   +2 more
exaly