Dark photon theory
WebNov 1, 2024 · Dark Photon parameters: coupling and mass. To introduce the fundamental parameters for the description of a dark photon, the coupling and its mass, let us … WebMay 4, 2024 · The dark photon is a new gauge boson whose existence has been conjectured. It is dark because it arises from a symmetry of a hypothetical dark sector comprising particles completely neutral under the Standard Model interactions. Dark though it is, this new gauge boson can be detected because of its kinetic mixing with the …
Dark photon theory
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WebMassless Dark Photon Xiaolong Deng1, Florentin Ja redo ∗2, and Minoru Tanaka †1 1Department of Physics, Graduate School of Science, Osaka University, Toyonaka, ... theory is encoded in the dipole coupling constants. We do not specify a UV completion in the present work. We treat the dipole coupling constants as free parameters and WebNov 11, 2024 · We consider a model of sub-GeV dark matter whose interaction with the Standard Model is mediated by a new vector boson (the dark photon) which couples kinetically to the photon. We describe the possibility of constraining such a model using a superfluid He-4 detector, by means of an effective theory for the description of the …
WebFeb 17, 2024 · The resulting Boltzmann kinetic equation is modified by the Berry curvature which couples to both visible and dark sector gauge fields. It was revealed that the dark sector induces modifications of transport coefficients due to the appearance of coupling constant between gauge fields and dark sector magnetic field. Received 21 August 2024. WebAug 30, 2024 · Rise of the dark photon. One proposed communication portal between the light and dark realms is something called a dark photon, analogous to the familiar (light) …
WebJul 6, 2024 · The dark photon dark matter field converts to photons in a layered dielectric target. These photons are focused by a lens onto a small, low noise SNSPD detector. … WebJan 15, 2024 · “Dark photons are hypothetical new particles that are the force carriers for a new force in the dark sector, much like how the photon is the force carrier for electromagnetism” the authors James S. Bolton ( University of Nottingham ), Andrea Caputo ( CERN and Tel Aviv University), Hongwan Liu ( New York University ), and Matteo Viel …
WebThis concept is formalized in the quantum theory of radiation, which has had unfailing success in explaining the interaction of electromagnetic radiation with matter, seemingly limited only by the ability of physicists to perform the indicated calculations.
WebApr 14, 2024 · Jan 1992 - Present31 years 4 months. Storrs. *Supervising PhD research. *Carrying out applied and fundamental research in optics … shops that sell board gamesAdding a sector containing dark photons to the Lagrangian of the Standard Model can be done in a straightforward and minimal way by introducing a new U(1) gauge field. The specifics of the interaction between this new field, potential new particle content (e.g., a Dirac fermion for dark matter) and the Standard … See more The dark photon (also hidden, heavy, para-, or secluded photon) is a hypothetical hidden sector particle, proposed as a force carrier similar to the photon of electromagnetism but potentially connected to See more Direct conversion A massive dark photon candidate with kinetic mixing strength $${\displaystyle \epsilon }$$ could spontaneously convert to a Standard Model See more Observations of gravitational effects that cannot be explained by visible matter alone imply the existence of matter which does not or does only very weakly couple to the known forces of nature. This dark matter dominates the matter density of the universe, but its … See more • Dark radiation – Postulated type of radiation that mediates interactions of dark matter • Fifth force – Speculative fifth fundamental force See more shops that sell cookersWebNov 10, 2014 · The dark photon search is but one of many approaches for trying to detect dark matter. At the Large Hadron Collider, high-energy reactions are being probed for signs of new massive particles and … shops that sell dnd chesterWebApr 28, 2024 · There a dark photon could convert into radio waves, although at a higher frequency than in ADMX or HAYSTAC. Ordinarily, experimenters would bleed the radio … shops that sell electric fires near meWeb2 days ago · The theory community has been actively pursuing novel detection ideas along these lines. ... Projected constraints on the dark matter interaction cross section in the dark photon mediator model from a few anisotropic crystal targets. Solid curves are the 95% C.L. constraints (3 events), and dashed curves indicate when a daily modulation will be ... shops that sell christmas treesWebDec 24, 2024 · In 2015, a group of Hungarian physicists led by Attila Krasznahorkay was investigating dark photons, which are thought to carry dark matter’s own … shops that sell dvdsWebMar 23, 2024 · A coupling of a dark photon A′ from a U(1)A′ with the standard model (SM) particles can be generated through kinetic mixing represented by a parameter ϵ. A non-zero ϵ also induces a mixing between A′ and Z if dark photon mass mA′ is not zero. This mixing can be large when mA′ is close to mZ even if the parameter ϵ is small. Many efforts have … shops that sell chess sets