2024 Electroweak hierarchy problem

Electroweak hierarchy problem

Author: ttyh

August undefined, 2024

WebThe relaxion mechanism provides a potentially elegant solution to the hierarchy problem without resorting to anthropic or other fine-tuning arguments. This mechanism introduces an axion-like field, dubbed the relaxion,… Web1 day ago · Dispersive determination of electroweak-scale masses Hsiang-nan Li Institute of Physics, Academia Sinica, Taipei, Taiwan 115, Republic of China ... long-standing ne-tuning problem of the SM: the Higgs boson must have this mass to make the internal consistency ... huge hierarchy in the SM, from 0.1 GeV to 100 GeV, can be correlated to …

Sliding Naturalness: New Solution to the Strong-$CP$ and …

WebJun 8, 2024 · We present a novel framework to solve simultaneously the electroweak hierarchy problem and the strong-CP problem. A small but finite Higgs vacuum … Webthe electroweak hierarchy problem in the limited context of the four dimensional bosonic Weinberg-Salam Lagrangian. For this we consider a mathematical construct, that … orchidaceae cattleya schilleriana

The hierarchy problem of the electroweak Standard …

Webthe electroweak hierarchy problem, and the strong CP problem. 1 Introduction Writing about naturalness in the current era is fraught with peril, and with good reason. Of the three major naturalness problems in high-energy physics — the cosmological con-stant problem, the electroweak hierarchy problem, and the strong CP problem — it is WebFeb 19, 2011 · Abstract and Figures. Models of spontaneous breaking of electroweak symmetry by a strong interaction do not have fine tuning/hierarchy problem. They are conceptually elegant and use the only ... WebWeak hypercharge is the generator of the U(1) component of the electroweak gauge group, SU(2) × U(1) and its associated quantum field B mixes with the W 3 electroweak quantum field to produce the observed Z gauge boson and the photon of quantum electrodynamics.. The weak hypercharge satisfies the relation = + , where Q is the … orchidandlilystudio.ca

Cosmological relaxation through the dark axion portal

WebJul 30, 2015 · Recently, theoretically different approaches to the electroweak hierarchy problem have been explored in Ref. [8][9][10] [11] [12][13][14][15][16] based on the cosmological relaxation model of Ref ... WebJul 30, 2024 · Download PDF Abstract: It was recently proposed that the electroweak hierarchy problem is absent if the generation of the Higgs potential stems exclusively from quantum effects of heavy right-handed neutrinos which can also generate active neutrino masses via the type-I seesaw mechanism. Hence, in this framework dubbed the … ir thermo fisher scientific ir thermal rifle scope

"Webto the electroweak hierarchy problem [4, 5]. A popular example of UV/IR mixing that has received increased attention recently is the Cohen-Kaplan-Nelson(CKN) bound on quantum correctionscon-tributing to the dark energy density in the universe [6]. The argument is based on the well-known observation that quantum ﬁeld theory has a limited range of " - Electroweak hierarchy problem

Electroweak hierarchy problem

WebJan 12, 2024 · R. T. D’Agnolo and D. Teresi, “Sliding naturalness: New solution to the strong-CP and electroweak-hierarchy problems,” Phys. Rev. Lett. 128, 021803 (2024). … In theoretical physics, the hierarchy problem is the problem concerning the large discrepancy between aspects of the weak force and gravity. There is no scientific consensus on why, for example, the weak force is 10 times stronger than gravity. See more A hierarchy problem occurs when the fundamental value of some physical parameter, such as a coupling constant or a mass, in some Lagrangian is vastly different from its effective value, which is the value that gets … See more The Higgs mass In particle physics, the most important hierarchy problem is the question that asks why the weak force is 10 times as strong as gravity. Both of these forces involve constants of nature, the Fermi constant for … See more Suppose a physics model requires four parameters which allow it to produce a very high-quality working model, generating predictions of some aspect of our physical universe. Suppose we find through experiments that the parameters have values: 1.2, … See more • Naturalness • CP violation • Quantum triviality See more

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WebDec 15, 2016 · U.S. Department of Energy Office of Scientific and Technical Information. Search Scholarly Publications. Search terms: Advanced search options WebA new class of solutions to the electroweak hierarchy problem is presented that does not require either weak-scale dynamics or anthropics. Dynamical evolution during the early …

WebMay 28, 2013 · A careful renormalization group analysis of the electroweak Standard Model, considered as a low energy effective theory, reveals that there is no hierarchy … WebAbstract: The Standard Model electroweak vacuum has been found to be metastable, with the true stable vacuum given by a large, phenomenologically unacceptable vacuum expectation value ˇM P. Moreover, it may be unstable in an in ationary universe. Moti-

WebJan 12, 2024 · We present a novel framework to solve simultaneously the electroweak-hierarchy problem and the strong-C P problem.A small but finite Higgs vacuum … In particle physics, the electroweak interaction or electroweak force is the unified description of two of the four known fundamental interactions of nature: electromagnetism and the weak interaction. Although these two forces appear very different at everyday low energies, the theory models them as two different aspects of the same force. Above the unification energy, on the order of 246 GeV, …

WebDec 15, 2016 · We present a new solution to the electroweak hierarchy problem. We introduce N copies of the standard model with varying values of the Higgs mass parameter. This generically yields a sector whose weak scale is parametrically removed from the cutoff by a factor of 1 / N.Ensuring that reheating deposits a majority of the total energy density …

WebOct 15, 2012 · In a previous work, a classically scale invariant extension of the standard model was proposed, as a potential candidate for resolving the hierarchy problem, by minimally introducing a complex gauge singlet scalar and generating radiative electroweak symmetry breaking by means of the Coleman-Weinberg mechanism. ir thermal sensor in laptopWebApr 9, 2024 · Aware of this paradox (called the electroweak hierarchy problem) long before the Higgs boson was discovered, and guided by the possible existence of particles and forces beyond those described by the Standard Model, physicists have come up with various explanations.One is that the Higgs boson is made of more basic entities held … orchidaceae family characteristicsWebJan 24, 2024 · Another excellent example, relevant to the electroweak hierarchy problem, is the mass splitting of the charged and neutral pions. From the perspective of an … orchidamosWebtroweak hierarchy problem. We discuss the theoretical and phenomenological validity of the gravitational relaxation models. 1 Introduction The electroweak hierarchy problem … orchidalesWebHierarchy problem Neutrino oscillations Physics beyond the Standard Model. ... In particle physics, the electroweak interaction or electroweak force is the unified description of two of the four known fundamental interactions of nature: electromagnetism and the weak interaction. Although these two forces appear very different at everyday low ... ir thermometer definitionWebDec 16, 2016 · We present a new solution to the electroweak hierarchy problem. We introduce N copies of the standard model with varying values of the Higgs mass parameter. This generically yields a sector whose weak scale is parametrically removed from the cutoff by a factor of 1/sqrt[N]. Ensuring that reheating d … ir thermometer autozoneWebApr 6, 2024 · A bstract. We present a family-non-universal extension of the Standard Model where the first two families feature both quark-lepton and electroweak-flavour unification, via the SU (4) Sp (4) L Sp (4) R gauge group, whereas quark-lepton unification for the third family is realised à la Pati-Salam. Via staggered symmetry breaking steps, this ... ir thermometer amazon