Dark photon theory
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. … WebIf mirror matter does exist in large abundances in the universe and if it interacts with ordinary matter via photon-mirror photon mixing, then this could be detected in dark matter direct detection experiments such as DAMA/NaI and its successor DAMA/LIBRA.
Dark photon theory
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WebJul 12, 2024 · The mirror photon that belongs to the mirror sector described above is also called a dark photon. This is because this photon is completely invisible to us and … WebIn modern physics, the double-slit experiment is a demonstration that light and matter can display characteristics of both classically defined waves and particles; moreover, it displays the fundamentally probabilistic nature of …
WebFeb 23, 2024 · The axion has emerged in recent years as a leading particle candidate to provide the mysterious dark matter in the cosmos, as we review here for a general scientific audience. We describe first the historical roots of the axion in the Standard Model of particle physics and the problem of charge-parity invariance of the strong nuclear force. We ... WebDec 19, 2024 · A dark photon is predicted by several well-motivated Standard Model extensions and UV completions. Here the most general effective field theory up to dimension-six operators describing the interactions of a massless dark photon with all Standard Model particles is considered.
WebMay 1, 2024 · The Heavy Photon Search (HPS) experiment at Jefferson Lab is designed to search for a hypothesized elementary particle called a dark (heavy) photon. Such a … WebMay 10, 2024 · The dark photon is a massive hypothetical particle that interacts with the Standard Model by kinetically mixing with the visible photon. For small values of the mixing parameter, dark photons can evade cosmological bounds to be a viable dark matter candidate. Due to the similarities with the electromagnetic signals generated by axions, …
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 …
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 … how to create thread using lambda expressionWebMar 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 … the met ventnorWebNov 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 … how to create thread pool in c++Web5 Dark Photon Compton Scattering Now let us look at the case of a dark photon scattering o of an electron. After striking the electron, the dark photon is converted to a regular photon, and scatters at an angle . This interaction is displayed below in gure three. We can express the Lagrangian of this particle interaction as the Lagrangian how to create threads in autocadWebDark photons are one of the simplest dark-sector models for dark matter, with a variety of theoretical possibilities for discovery Future searches for minimal dark photon models … the met vaughanAdding 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 how to create threads in inventorWebEqually interesting parameter space, dark photons are a valid DM candidate! (Recall very light DM need to be produced non-thermally) I Possibilities for generating correct relic … how to create threads in c