AI & ChatGPT searches , social queries for ELECTRONVOLT
Search references for ELECTRONVOLT. Phrases containing ELECTRONVOLT
See searches and references containing ELECTRONVOLT!
Search references for ELECTRONVOLT. Phrases containing ELECTRONVOLT
See searches and references containing ELECTRONVOLT!ELECTRONVOLT
Unit of energy
In physics, an electronvolt (symbol eV), also written as electron-volt and electron volt, is a unit of measurement equivalent to the amount of kinetic
Electronvolt
Energy carried by a photon
unit. Among the units commonly used to denote photon energy are the electronvolt (eV) and the joule (as well as its multiples, such as the microjoule)
Photon_energy
Range of frequencies or wavelengths of electromagnetic radiation
kilo-electronvolt 1×103 electronvolts Energy Per Photon eV electronvolt 1 electronvolt Energy Per Photon meV milli-electronvolt 1×10−3 electronvolts Energy
Electromagnetic_spectrum
Modern form of the metric system
the degree (for measuring plane angles, 1° = (π /180) rad); and the electronvolt (a unit of energy, 1 eV = 1.602176634×10−19 J). Although the term metric
International_System_of_Units
Units used to measure energy
in atomic physics, particle physics, and high energy physics is the electronvolt (eV). One eV is equivalent to 1.602176634×10−19 J. In spectroscopy, the
Units_of_energy
Measurement unit derived from basic metric value
steradian (sr). Some other units such as the hour, litre, tonne, bar, and electronvolt are not SI units, but are widely used in conjunction with SI units. Until
SI_derived_unit
Particle accelerator at CERN, Switzerland
The first collisions were achieved in 2010 at an energy of 3.5 tera-electronvolts (TeV) per beam, about four times the previous world record. The discovery
Large_Hadron_Collider
Physical quantity
US customary unit is the foot-pound. Other energy units such as the electronvolt, food calorie, thermodynamic kilocalorie and BTU are used in specific
Energy
Physical quantity of hot and cold
customary to express temperature as energy in a unit related to the electronvolt or kiloelectronvolt (eV/kB or keV/kB). The corresponding energy, which
Temperature
Topics referred to by the same term
Vermessungswesen, the Austrian agency for national mapping and metronomy Billion-electronvolt (BeV), equivalent to the SI term GeV (gigaelectronvolt) BEVS may stand
Bev
Unit of energy, often used for electrical billing
Joule Watt-hour Kilowatt-hour Electronvolt Calorie 1 J = 1 kg⋅m2⋅s−2 = 1 2.77778 × 10−4 2.77778 × 10−7 6.241 × 1018 0.239 1 Wh = 3.6 × 103 1 0.001 2.247
Kilowatt-hour
SI unit of energy
sugar crystal (0.102 mg/crystal). zeptojoule 160 zeptojoules is about 1 electronvolt. The minimal energy needed to change a bit of data in computation at
Joule
Unit of energy in the atomic units system
computational chemistry: for experimental measurements at the atomic scale, the electronvolt (eV) or the reciprocal centimetre (cm−1) are much more widely used. E
Hartree
Units that are not part of a coherent system
common in particle physics to use eV/c2 as a unit of mass. Here, eV (electronvolt) is a unit of energy (the kinetic energy of an electron accelerated over
List of non-coherent units of measurement
List_of_non-coherent_units_of_measurement
Burst of gamma rays produced in the Earth's atmosphere
last 0.2 to 3.5 milliseconds, and have energies of up to 20 million electronvolts. It is speculated that TGFs are caused by intense electric fields produced
Terrestrial_gamma-ray_flash
Harmful high-frequency radiation
different energies. The energy of ionizing radiation starts around 10 electronvolts (eV). Ionizing subatomic particles include alpha particles, beta particles
Ionizing_radiation
Smallest unit of a chemical element
unbind the electron from the atom, and is usually given in units of electronvolts (eV). The lowest energy state of a bound electron is called the ground
Atom
Tabular arrangement of the chemical elements
Graph of first ionisation energies of the elements in electronvolts (predictions used for elements 109–118)
Periodic_table
SI derived unit of voltage
joules per coulomb (energy per charge), which is also equivalent to electronvolts per elementary charge: V = A ⋅ Ω = Wb s = W A = J C = eV e . {\displaystyle
Volt
SI derived unit of molar energy
describe reaction energetics are the kilocalorie per mole (kcal·mol−1), electronvolt per particle (eV), and wavenumbers in inverse centimeters (cm−1). 1 kJ·mol−1
Joule_per_mole
Cosmic-ray particle with a kinetic energy above 1 EeV
ray (UHECR) is a cosmic ray with an energy greater than 1 EeV (1018 electronvolts, approximately 0.16 joules), far beyond both the rest mass and energies
Ultra-high-energy_cosmic_ray
Elementary particle with extremely low mass
Collaboration) (February 2022). "Direct neutrino-mass measurement with sub-electronvolt sensitivity". Nature Physics. 18 (2): 160–166. arXiv:2105.08533. Bibcode:2022NatPh
Neutrino
Chemical element with atomic number 1 (H)
ground state energy level of the electron in a hydrogen atom is −13.6 electronvolts (eV), equivalent to an ultraviolet photon of roughly 91 nanometers wavelength
Hydrogen
Variant of the metric system
use where every quantity is expressed by only one unit of energy, the electronvolt, with lengths, times, and so on all converted into units of energy by
Centimetre–gram–second system of units
Centimetre–gram–second_system_of_units
Tendency of an atom to attract a shared pair of electrons
dissociation energies, Ed, of the A–B, A–A and B–B bonds are expressed in electronvolts, the factor (eV)−1⁄2 being included to ensure a dimensionless result
Electronegativity
Reference value of length
Stoney unit of length lS 1.381×10−35 Quantum chromodynamics (QCD) unit of length lQCD 2.103×10−16 Natural units based on the electronvolt 1 eV−1 1.97×10−7
Unit_of_length
Obsolete metric unit prefix for 10^-14
surface energy of molecules in surface chemistry. It saw limited use. One electronvolt is about 160 micriergs. In 1991, the micrierg was officially designated
Micri-
Hypothetical invisible cosmic material
achieved sensitivity to the plausible DFSZ axion model in the micro-electronvolt range by the early 2020s. The prevailing view among cosmologists remains
Dark_matter
Device for trapping charged particles
atom traps, ion traps have deeper trapping potentials (up to several electronvolts) that are agnostic to the internal structure of the ions. The two most
Ion_trap
Class of units of measurement for explosive energy
thermal units 3.086×109 foot-pounds 1.162×103 kilowatt-hours 2.611×1028 electronvolts 4.655×10−8 kilograms mass equivalent The relative effectiveness factor
TNT_equivalent
Amount of matter present in an object
the masses of atoms and molecules. Other units of mass include: the electronvolt (eV), a unit of energy, used in high energy physics to express mass in
Mass
Ultra-high-energy cosmic ray
observatory in Utah, United States. It had an energy exceeding 240 exa-electronvolts (EeV) and was inferred through the two dozen particles it sent toward
Amaterasu_particle
Semiconductor materials with a larger band gap
semiconductors like silicon and selenium have a bandgap in the range of 0.7 – 1.5 electronvolt (eV), whereas wide-bandgap materials have bandgaps in the range above
Wide-bandgap_semiconductor
Topics referred to by the same term
internal combustion engine Electric car, a type of electric vehicle Electronvolt (eV), in physics, a unit of energy Enterovirus, a genus of viruses Epidermodysplasia
EV
Heuristic used in simulations of ions passing through solids
defect production by energetic ions (with kinetic energies in the kilo-electronvolt (keV) range or higher) in solids. In the method, the ion is approximated
Binary collision approximation
Binary_collision_approximation
ions). When the ion energy is in the range of a few tens of keV (kilo-electronvolt) these microprobes are usually called FIB (Focused ion beam). An FIB
Microprobe
Physical constant relating particle kinetic energy with temperature
discovered and named the constant Symbol: kB, k Value in joules per kelvin 1.380649×10−23 J⋅K−1 Value in electronvolts per kelvin 8.617333262×10−5 eV⋅K−1
Boltzmann_constant
Camera developed by the European Space Agency
event is proportional to the photon energy and amounts to ~18,000 per electronvolt. As a result, if the device is operated in single-photon count mode the
Superconducting_camera
State of matter
elementary charge). Plasma temperature, commonly measured in kelvin or electronvolts, is a measure of the thermal kinetic energy per particle. High temperatures
Plasma_(physics)
Less harmful range of electromagnetic energy
photon energies less than 10 electronvolts (eV) be considered non-ionizing. Another suggested threshold is 33 electronvolts, which is the energy needed
Non-ionizing_radiation
Topics referred to by the same term
European embedded value, a type of embedded value in finance EeV (1018 electronvolts), a unit of energy EEVBlog (Electronics Engineering Video Blog), a blog
EEV
Thermally induced flow of charge carriers from a surface
characteristic of the material and for most metals is on the order of several electronvolts (eV). Thermionic currents can be increased by decreasing the work function
Thermionic_emission
Gamma ray burst from a neutron star merger outside their galaxy
to have a gamma ray fluence of 3×10−4 erg cm−2 in the 10 to 1000 KeV (electronvolt) range making it second only to GRB 221009A, which was an extremely bright
GRB_230307A
Elementary particle with negative charge
over 10 billion kelvins and photons had mean energies over a million electronvolts. These photons were sufficiently energetic that they could react with
Electron
Hypothesis about sapient life and the universe
calculated the energy of this undiscovered resonance to be 7.6 million electronvolts. Willie Fowler's research group soon found this resonance, and its measured
Anthropic_principle
Energy range in a solid where no electron states exist
solids, the band gap refers to the energy difference (often expressed in electronvolts) between the top of the valence band and the bottom of the conduction
Band_gap
Electricity generation by nuclear fusion
energy ions leaving at tens to hundreds of electronvolts. Alpha particles leaving at millions of electronvolts. Electrons leaving at high energy. Light
Fusion_power
pulses (~10−14 s) of coherent radiation in the energy range from 10 eV (electronvolt) to 300 eV. It started operation for external users in the year 2005
FLASH
Comparison of a wide range of masses
grain. For subatomic particles, physicists use the mass-equivalent of an electronvolt (eV). At the atomic level, chemists use the mass of one-twelfth of a
Orders_of_magnitude_(mass)
2006 fatal poisoning of Russian defector
detected, but a small gamma ray spike was noticed at an energy of 803 kilo-electronvolts (keV), barely visible above the background. The BBC reported that by
Poisoning of Alexander Litvinenko
Poisoning_of_Alexander_Litvinenko
Quantity standard
released by detonating one million tons of trinitrotoluene, TNT) and the electronvolt. To reduce the incidence of retail fraud, many national statutes have
Unit_of_measurement
Charge carried by one proton or electron
and the unit of charge e lost its name. However, the unit of energy electronvolt (eV) is a remnant of the fact that the elementary charge was once called
Elementary_charge
wide range of neutron energies, from as low as a few hundredths of an electronvolt to as high as tens of megaelectronvolts. Much current research focuses
Neutron_spectroscopy
Penetrating form of electromagnetic radiation
for X-ray and gamma ray photons with energies below 50 keV (thousand electronvolts), but it is much less important at higher energies. Compton scattering:
Gamma_ray
Spatially localized group of electrically charged particles travelling in same direction
atomic nuclei the mean energy of the particles, often expressed in electronvolts (typically keV to GeV) the (average) particle current, often expressed
Charged_particle_beam
Imaging and diffraction using electrons that pass through samples
at atomic scales. (Even for electrons with a kinetic energy of just 1 electronvolt the wavelength is already as short as 1.18 nm.) In April 1932, Ruska
Transmission electron microscopy
Transmission_electron_microscopy
Energy needed to remove an electron
energy. In physics, ionization energy (IE) is usually expressed in electronvolts (eV) or joules (J). In chemistry, it is expressed as the energy to ionize
Ionization_energy
Experiment for measuring antineutrino mass
The KATRIN Collaboration. "Direct neutrino-mass measurement with sub-electronvolt sensitivity", Nat. Phys. 18, 160–166 (2022). doi:10.1038/s41567-021-01463-1
KATRIN
shares some basic principles with nuclear magnetic resonance (NMR). electronvolt (eV) A unit of energy equal to approximately 1.6×10−19 joule. By definition
Glossary_of_physics
Unit of energy
285067×10−3 British thermal units 0.3240483 calories 8.462350×1018 electronvolts = 8.462350×109 gigaelectronvolts 1 foot pound-force per second is equivalent
Foot-pound
Criterion for igniting a nuclear fusion chain reaction
{\displaystyle W=3nT} where T {\displaystyle T} is the temperature in electronvolt (eV) and n {\displaystyle n} is the particle density. The volume rate
Lawson_criterion
Energy change of a nucleus after radioactive decay
usually quoted in terms of the energy units MeV (million electronvolts) or keV (thousand electronvolts): Q [MeV] = − 931.5 Δ M [Da] , ( where Δ M =
Decay_energy
_{0}} , and c {\displaystyle c} is the speed of light. The units are electronvolts (eV), watts (W), centimeters (cm) and micrometers (μm). In atomic units
Ponderomotive_energy
poles of 0.4 keV = 400 eV corresponds to approximately 4640000 K (see Electronvolt#Temperature) Hypothetical Planet Nine may be challenged by the discovery
List_of_exoplanet_extremes
Luminescence induced by sound waves
excitation energy of dioxygenyl cations, which they observed, is 18 electronvolts (2.9×10−18 J). From this observation, they conclude the core temperatures
Sonoluminescence
Process involving electrons
stationary and completely free from the atom has an energy of 0 joules (or 0 electronvolts). An electron which is described as being at the "ground state" has
Photoinduced charge separation
Photoinduced_charge_separation
2015 Japanese space observatory
extremely high energy region of teraelectronvolts (TeV, one trillion electronvolts). These measurements are recorded on the space station and sent to a
Calorimetric Electron Telescope
Calorimetric_Electron_Telescope
Chemical element with atomic number 108 (Hs)
(quantitatively, spin–orbit splitting in expressed in energy units, such as electronvolts). These relativistic effects are responsible for the expected increase
Hassium
Characteristic values of a plasma
{\displaystyle E} and temperature T {\displaystyle T} which are in electronvolts. For the sake of simplicity, a single ionic species is assumed. The
Plasma_parameters
Spectroscopic technique
below. Although these energy shifts are tiny (often less than a micro-electronvolt), the extremely narrow spectral linewidths of gamma rays for some radionuclides
Mössbauer_spectroscopy
Highest particle energy in a Fermi gas at absolute zero
This number density produces a Fermi energy of the order of 2 to 10 electronvolts. Stars known as white dwarfs have mass comparable to the Sun, but have
Fermi_energy
Magnetic confinement device used to produce thermonuclear fusion power
occurred at a lower energy than other reactions, peaking at about 100,000 electronvolts (100 keV). Accelerator-based fusion is not practical because the reactor
Tokamak
German physicist
resonance, which enables single-atom measurements on spins with nano-electronvolt precision REF1, REF2. In 2022 his team demonstrated the extension of
Andreas_J._Heinrich
Plasma device using external magnets to confine plasma
occurred at a lower energy than any other fuel, peaking at about 100,000 electronvolts (100 keV). 100 keV corresponds to a temperature of about one billion
Stellarator
Overview of and topical guide to energy
energy, although in scientific fields one commonly uses joule (~1.356 J). Electronvolt (eV) – the amount of energy gained by a single unbound electron when
Outline_of_energy
Comparison of a large range of energies
a neutrino in particle physics (0.28 eV) 10−19 1.602176634×10−19 J 1 electronvolt (eV) by definition. This value is exact as a result of the 2019 revision
Orders_of_magnitude_(energy)
Relativistic equation relating total energy to mass and momentum
universal form. In particle physics, energy is typically given in units of electronvolts (eV), momenta are expressed in eV/c, and masses in eV/c2. In informal
Energy–momentum_relation
Norwegian physicist
the implementation of a superconducting linear accelerator for Tera-electronvolt energies, TESLA. Wiik was chairman of the Super Proton Synchrotron Experiments
Bjørn_Wiik
Scientific facility in Oxfordshire, England
Equivalent to accelerating them through a voltage of 3 billion volts; 1 electronvolt is the energy an electron gains when accelerated by a potential difference
Diamond_Light_Source
Difference between actual mass and mass number for nuclei
reaction kinematics are customarily performed in units involving the electronvolt, which derives from accelerator technology. The combination of this practical
Mass_excess
Quantities describing probability of absorption or emission of light
be expressed per unit of frequency, angular frequency, energy (e.g., electronvolt), or wavelength. Consequently, the B 12 {\displaystyle B_{12}} and B
Einstein_coefficients
Australian physicist (1901–2000)
constructing a particle accelerator that could fire protons with up to 600,000 electronvolts of energy. He soon confirmed the results of Cockcroft and Walton on
Mark_Oliphant
Instrument on the Parker Solar Probe
designed to detect from about 20 keV per nucleon up to 15 MeV (mega electronvolts) total energy, and for electrons from about 25 keV up to 1000 keV. EPI-Hi
Integrated Science Investigation of the Sun
Integrated_Science_Investigation_of_the_Sun
Proposed aircraft stealth technology
particle per cubic metre. Electron temperature is usually expressed as electronvolt (eV), and 1 eV is equivalent to 11,604 K. Common plasmas temperature
Plasma_stealth
Analytical method
dependent upon the electron energy applied to the system, typically 70 eV (electronvolts). The use of 70 eV facilitates comparison of generated spectra with
Gas chromatography–mass spectrometry
Gas_chromatography–mass_spectrometry
Universe's background particle radiation composed of neutrinos
average neutrino mass. Since this mass is tiny, of the order of a few electronvolts or less, such a detector must have an excellent energy resolution in
Cosmic_neutrino_background
Theory of fundamental physics
interstellar vacuum acquires a tiny mass which is estimated to be about 10−35 electronvolt. One can also derive an effective potential for the Higgs sector which
Superfluid_vacuum_theory
Concept in theoretical physics
value is the scale of the strong interactions, μ = ΛQCD (~200 mega-electronvolts). Conversely, the coupling becomes weak at very high energies (asymptotic
Renormalization_group
hence a longer de Broglie wavelength for a given energy. Electronvolt In physics, an electronvolt (symbol eV, also written electron-volt and electron volt)
Glossary_of_engineering:_A–L
One of the world's most powerful linear accelerators
diverse forefront basic and applied research. Since 1972, the 800-million-electronvolt (MeV) accelerator and its attendant facilities at Technical Area 53 of
Los Alamos Neutron Science Center
Los_Alamos_Neutron_Science_Center
Planned class of destroyers, for the Kriegsmarine
diesel generators, for a total output of 520 kilowatts (700 hp) at 220 electronvolts (35 aJ). They were to have 70,000 shaft horsepower (52,000 kW) at 390
Type_1936C_destroyer
Measurement of kinetic energy spectra
core electrons, and at the time had an energy resolution of about 1 eV (electronvolt). The ultraviolet photoelectron spectroscopy (UPS) was pioneered by Feodor
Ultraviolet photoelectron spectroscopy
Ultraviolet_photoelectron_spectroscopy
Record-breaking gamma-ray burst
they probably would have reached energies of 1 ZeV or greater (1021 electronvolts), almost an order of magnitude more energetic than the Oh-My-God particle
GRB_221009A
Satellite X-ray telescope
assembly was sensitive to X-rays between 0.1 and 2 keV (one thousand Electronvolt). In addition, a British-supplied extreme ultraviolet (XUV) telescope
ROSAT
Space telescope for gamma-ray astronomy launched in 2008
detects photons with energy from about 20 million to about 300 billion electronvolts (20 MeV to 300 GeV), with a field of view of about 20% of the sky; it
Fermi Gamma-ray Space Telescope
Fermi_Gamma-ray_Space_Telescope
MALDI), ionizes molecules via electron ionization (normally under 70 electronvolt conditions) and then accelerates them through an electric potential.
Kratos_MS_50
Gamma radiation with photon energies between 100GeV and 100TeV
(gigaelectronvolt) to 100 TeV (teraelectronvolt), i.e., 1011 to 1014 electronvolts. This is approximately equal to wavelengths between 10−17 and 10−20
Very-high-energy_gamma_ray
Bending of electron beams due to electrostatic interactions with matter
thousandth of that. Typically the energy of the electrons is written in electronvolts (eV), the voltage used to accelerate the electrons; the actual energy
Electron_diffraction
Chemical compound
The ionization potential is determined experimentally at 11 to 13.5 electronvolts. In contrast to the linear tricarbon molecule, the C+ 3 cation is bent
Tricarbon
British physicist (1897–1967)
thought. In fact, he calculated that protons with energy of just 300,000 electronvolts would be able to penetrate a boron nucleus. Cockcroft and Walton worked
John_Cockcroft
ELECTRONVOLT
ELECTRONVOLT
ELECTRONVOLT
ELECTRONVOLT
Surname or Lastname
English
English : nickname from Middle English Hocedei, Hokedey ‘Hock-day’, the second Tuesday after Easter. This was formerly a time at which rents and dues were paid, and from the 14th century it was a popular festival. The name possibly denoted someone born at this time of year.
Boy/Male
Hindu
Heat, Penance
Boy/Male
Indian, Punjabi, Sikh
King of a Particular Group
Boy/Male
German
Strong with a sword.
Male
Swedish
Swedish form of Old Norse Eileifr, ELOF means "ever-heir."
Girl/Female
Muslim
Good tiding
Girl/Female
Indian, Kannada
Speechless
Female
Hebrew
(רֵעַ) Hebrew name RAYA means "friend." Compare with another form of Raya.
Boy/Male
Muslim
Shadow of the merciful
Girl/Female
Tamil
Slender, Beautiful, Delicate
ELECTRONVOLT
ELECTRONVOLT
ELECTRONVOLT
ELECTRONVOLT
ELECTRONVOLT