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36 relations: Annihilation, Baryon acoustic oscillations, Beta decay, Big Bang, Big Bang nucleosynthesis, Boson, Confidence interval, Cosmic background radiation, Cosmic microwave background, Dark matter, Degrees of freedom (physics and chemistry), Diffuse supernova neutrino background, Electron, Electron–positron annihilation, Electronvolt, Expansion of the universe, Fermion, Forbes, Free streaming, Gravitational wave background, Inference, Neutrino, Neutrino decoupling, Neutrino detector, Nu (letter), Oxford University Press, Phase (waves), Photon, Planck (spacecraft), Positron, Redshift, Standard Model, Supernova, Thermal equilibrium, Tritium, Wilkinson Microwave Anisotropy Probe.
Annihilation
In particle physics, annihilation is the process that occurs when a subatomic particle collides with its respective antiparticle to produce other particles, such as an electron colliding with a positron to produce two photons.
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Baryon acoustic oscillations
In cosmology, baryon acoustic oscillations (BAO) are regular, periodic fluctuations in the density of the visible baryonic matter (normal matter) of the universe.
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Beta decay
In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which a beta ray (fast energetic electron or positron) and a neutrino are emitted from an atomic nucleus.
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Big Bang
The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution.
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Big Bang nucleosynthesis
In physical cosmology, Big Bang nucleosynthesis (abbreviated BBN, also known as primordial nucleosynthesis, arch(a)eonucleosynthesis, archonucleosynthesis, protonucleosynthesis and pal(a)eonucleosynthesis) refers to the production of nuclei other than those of the lightest isotope of hydrogen (hydrogen-1, 1H, having a single proton as a nucleus) during the early phases of the Universe.
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Boson
In quantum mechanics, a boson is a particle that follows Bose–Einstein statistics.
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Confidence interval
In statistics, a confidence interval (CI) is a type of interval estimate, computed from the statistics of the observed data, that might contain the true value of an unknown population parameter.
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Cosmic background radiation
Cosmic background radiation is electromagnetic radiation from the big bang.
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Cosmic microwave background
The cosmic microwave background (CMB, CMBR) is electromagnetic radiation as a remnant from an early stage of the universe in Big Bang cosmology.
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Dark matter
Dark matter is a theorized form of matter that is thought to account for approximately 80% of the matter in the universe, and about a quarter of its total energy density.
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Degrees of freedom (physics and chemistry)
In physics, a degree of freedom is an independent physical parameter in the formal description of the state of a physical system.
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Diffuse supernova neutrino background
The Diffuse Supernova Neutrino Background (DSNB) is a theoretical population of neutrinos (and anti-neutrinos) originating from all of the supernovae events which have occurred throughout the Universe.
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Electron
The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.
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Electron–positron annihilation
Electron–positron annihilation occurs when an electron and a positron (the electron's antiparticle) collide.
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Electronvolt
In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).
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Expansion of the universe
The expansion of the universe is the increase of the distance between two distant parts of the universe with time.
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Fermion
In particle physics, a fermion is a particle that follows Fermi–Dirac statistics.
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Forbes
Forbes is an American business magazine.
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Free streaming
In astronomy, a free streaming particle, often a photon, is one that propagates through a medium without scattering.
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Gravitational wave background
The gravitational wave background (also GWB and stochastic background) is a random gravitational wave signal produced by a large number of weak, independent, and unresolved sources.
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Inference
Inferences are steps in reasoning, moving from premises to logical consequences.
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Neutrino
A neutrino (denoted by the Greek letter ν) is a fermion (an elementary particle with half-integer spin) that interacts only via the weak subatomic force and gravity.
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Neutrino decoupling
In Big Bang cosmology, neutrino decoupling refers to the epoch at which neutrinos ceased interacting with baryonic matter, and thereby ceased influencing the dynamics of the universe at early times.
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Neutrino detector
A neutrino detector is a physics apparatus which is designed to study neutrinos.
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Nu (letter)
Nu (uppercase Ν lowercase ν; νι ni) or ny is the 13th letter of the Greek alphabet.
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Oxford University Press
Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.
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Phase (waves)
Phase is the position of a point in time (an instant) on a waveform cycle.
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Photon
The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).
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Planck (spacecraft)
Planck was a space observatory operated by the European Space Agency (ESA) from 2009 to 2013, which mapped the anisotropies of the cosmic microwave background (CMB) at microwave and infra-red frequencies, with high sensitivity and small angular resolution.
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Positron
The positron or antielectron is the antiparticle or the antimatter counterpart of the electron.
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Redshift
In physics, redshift happens when light or other electromagnetic radiation from an object is increased in wavelength, or shifted to the red end of the spectrum.
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Standard Model
The Standard Model of particle physics is the theory describing three of the four known fundamental forces (the electromagnetic, weak, and strong interactions, and not including the gravitational force) in the universe, as well as classifying all known elementary particles.
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Supernova
A supernova (plural: supernovae or supernovas, abbreviations: SN and SNe) is a transient astronomical event that occurs during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion.
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Thermal equilibrium
Two physical systems are in thermal equilibrium if there are no net flow of thermal energy between them when they are connected by a path permeable to heat.
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Tritium
Tritium (or; symbol or, also known as hydrogen-3) is a radioactive isotope of hydrogen.
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Wilkinson Microwave Anisotropy Probe
The Wilkinson Microwave Anisotropy Probe (WMAP), originally known as the Microwave Anisotropy Probe (MAP), was a spacecraft operating from 2001 to 2010 which measured temperature differences across the sky in the cosmic microwave background (CMB) – the radiant heat remaining from the Big Bang.
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Redirects here:
CνB, Neutrino background, Relic neutrinos.
References
[1] https://en.wikipedia.org/wiki/Cosmic_neutrino_background
