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Subatomic particle with no charge
A neutron is a subatomic particle, symbol n or n0 , that has no electric charge, and a mass slightly greater than that of a proton. The neutron was discovered
Neutron
Collapsed core of a massive star
A neutron star is the gravitationally collapsed core of a massive supergiant star. It results from the supernova explosion of a massive star—combined
Neutron_star
Low-yield thermonuclear weapon
A neutron bomb, officially defined as a type of enhanced radiation weapon (ERW), is a low-yield thermonuclear weapon designed to maximize lethal neutron
Neutron_bomb
American animated television series
The Adventures of Jimmy Neutron, Boy Genius (or just The Adventures of Jimmy Neutron and often shortened as Jimmy Neutron) is an American animated science
The Adventures of Jimmy Neutron, Boy Genius
The_Adventures_of_Jimmy_Neutron,_Boy_Genius
Type of neutron star with beams of radiation
(pulsating star, on the model of quasar) is a highly magnetized rotating neutron star that emits beams of electromagnetic radiation out of its magnetic
Pulsar
2001 animated film by John A. Davis
Jimmy Neutron: Boy Genius is a 2001 American animated science fiction comedy film directed by John A. Davis and written by Davis, David N. Weiss, J. David
Jimmy_Neutron:_Boy_Genius
Topics referred to by the same term
Look up neutron in Wiktionary, the free dictionary. A neutron is a subatomic particle. Neutron may also refer to: Neutron (comics), the name of several
Neutron_(disambiguation)
Topics referred to by the same term
In nuclear physics, neutron decay may refer to: Neutron emission by an atomic nucleus Free neutron decay Beta decay of a neutron inside an atomic nucleus
Neutron_decay
Animated titular character
"Jimmy" Neutron, commonly known as Jimmy Neutron, Boy Genius, is the protagonist and title character from the 2001 animated film Jimmy Neutron: Boy Genius
Jimmy_Neutron
Kinetic energy of an unbound neutron
The neutron detection temperature, also called the neutron energy, indicates a free neutron's kinetic energy, usually given in electron volts. The term
Neutron_temperature
characters in the American film Jimmy Neutron: Boy Genius, its subsequent television series The Adventures of Jimmy Neutron, Boy Genius and other media of the
List of Jimmy Neutron characters
List_of_Jimmy_Neutron_characters
Partially-reusable medium-lift launch vehicle
Neutron is a partially reusable, medium-lift, two-stage launch vehicle under development by Rocket Lab. Announced on March 1, 2021, the vehicle is designed
Rocket_Lab_Neutron
Adventures of Jimmy Neutron, Boy Genius episodes. The series is based on the 2001 film Jimmy Neutron: Boy Genius. "The Adventures of Jimmy Neutron: Boy Genius:
List of The Adventures of Jimmy Neutron, Boy Genius episodes
List_of_The_Adventures_of_Jimmy_Neutron,_Boy_Genius_episodes
Substance that can absorb large quantities of neutrons in a reactor core
as nuclear reactors, a neutron poison (also called a neutron absorber or a nuclear poison) is a substance with a large neutron absorption cross-section
Neutron_poison
Scientific background leading to the discovery of subatomic particles
The discovery of the neutron and its properties was central to the extraordinary developments in atomic physics in the first half of the 20th century
Discovery_of_the_neutron
Type of stellar collision
A neutron star merger is the stellar collision of neutron stars. When two neutron stars fall into mutual orbit, they gradually spiral inward due to the
Neutron_star_merger
Robust nuclear reactor monitoring device
Self Powered Neutron Detector (SPND) is a neutron detector used in nuclear fission reactors. It is a compact device extensively used worldwide for mapping
Self_Powered_Neutron_Detector
Physical phenomenon
Neutron scattering, the irregular dispersal of free neutrons by matter, can refer to either the naturally occurring physical process itself or to the man-made
Neutron_scattering
Index of articles associated with the same name
Neutron may refer to several comic book characters: Neutron (DC Comics), a DC Comics character Neutron (Linus), an Italian comics character from Linus
Neutron_(comics)
Material capable of sustaining a nuclear fission chain reaction
either slow neutrons (i.e., a thermal system) or fast neutrons. Fissile material can be used to fuel thermal-neutron reactors, fast-neutron reactors and
Fissile_material
1984 single by the Pointer Sisters
"Neutron Dance" is a song written by Allee Willis and Danny Sembello which was introduced by the Pointer Sisters on their 1983 album Break Out. The song
Neutron_Dance
Atomic nuclear process
Neutron capture is a nuclear reaction in which an atomic nucleus and one or more neutrons collide and merge to form a heavier nucleus. Since neutrons
Neutron_capture
Topics referred to by the same term
Look up neutron star in Wiktionary, the free dictionary. A neutron star is the extremely dense collapsed core of a supergiant star. Neutron Star may also
Neutron_Star_(disambiguation)
Neutron embrittlement, sometimes more broadly radiation embrittlement, is the embrittlement of various materials due to the action of neutrons. This is
Neutron_embrittlement
Ionizing radiation that presents as free neutrons
Neutron radiation is a form of ionizing radiation that presents as free neutrons. Typical phenomena are nuclear fission or nuclear fusion causing the release
Neutron_radiation
Two nucleosynthesis pathways
Neutron capture nucleosynthesis describes two nucleosynthesis pathways: the r-process and the s-process, for rapid and slow neutron captures, respectively
Neutron capture nucleosynthesis
Neutron_capture_nucleosynthesis
American media franchise
Jimmy Neutron is an American animated media franchise created by John A. Davis and owned by the Nickelodeon Group division of Paramount Skydance. The
Jimmy_Neutron_(franchise)
1945–1946 sphere of plutonium
intended to demonstrate how close the core was to criticality, using a neutron-reflective tamper (layer of dense material surrounding the fissile material)
Demon_core
Analogue semi-modular synthesizer
The Neutron is a dual-oscillator monophonic synthesizer manufactured by Behringer. Released in 2018, the Neutron has an analogue signal path and uses subtractive
Neutron_(synthesizer)
Total distance traveled by neutrons within a volume over a time period
The neutron flux is a scalar quantity used in nuclear physics and nuclear reactor physics. It is the total distance travelled by all free neutrons per
Neutron_flux
When one nuclear reaction causes more
number of neutrons ejected: U 235 + neutron ⟶ fission fragments + 2.4 neutrons + 192.9 MeV Pu 239 + neutron ⟶ fission fragments + 2.9 neutrons + 198
Nuclear_chain_reaction
Technique to investigate atomic structures using neutron scattering
Neutron diffraction or elastic neutron scattering is the application of neutron scattering to the determination of the atomic and/or magnetic structure
Neutron_diffraction
Topics referred to by the same term
Jimmy Neutron is a fictional character. Jimmy Neutron may also refer to: Jimmy Neutron (franchise) Jimmy Neutron: Boy Genius, the 2001 animated film Jimmy
Jimmy Neutron (disambiguation)
Jimmy_Neutron_(disambiguation)
Device that emits neutrons
A neutron source is any device that emits neutrons, irrespective of the mechanism used to produce the neutrons. Neutron sources are used in physics, engineering
Neutron_source
Comic book series
Neutron is an Italian comic book series and the name of the eponymous main character created in 1965 by Guido Crepax. The series eventually became Valentina
Neutron_(Linus)
Reaction that splits an atomic nucleus
Hahn and Strassmann predicted the existence and liberation of additional neutrons during the fission process, opening up the possibility of a nuclear chain
Nuclear_fission
American rock band
Conan Neutron & the Secret Friends is a rock band formed in Oakland, California in 2015 by vocalist/guitarist/songwriter Conan Neutron and intended as
Conan Neutron & the Secret Friends
Conan_Neutron_&_the_Secret_Friends
Immediate emission of neutrons after nuclear fission
engineering, a prompt neutron is a neutron immediately emitted (neutron emission) by a nuclear fission event, as opposed to a delayed neutron decay which can
Prompt_neutron
Type of neutron star with a strong magnetic field
A magnetar is a type of neutron star with an extremely powerful magnetic field (~109 to 1011 T, ~1013 to 1015 G). The magnetic-field decay (or dissipation)
Magnetar
Atoms of the same element, but different mass
but different nucleon numbers (mass numbers) due to different numbers of neutrons in their nuclei. While all isotopes of a given element have virtually the
Isotope
Neutron and Star, also known as Seventh Heaven, is a British trance duo consisting of producer/writer Alan Stott and vocalist/writer Lucy Clarke. "Neutron
Neutron_and_Star
Number of neutrons in a nuclide
The neutron number (symbol N) is the number of neutrons in a nuclide. Atomic number (proton number) plus neutron number equals mass number: Z + N = A.
Neutron_number
Type of microscope
Neutron microscopes use neutrons focused by small-angle neutron scattering to create images by passing neutrons through an object to be investigated.
Neutron_microscope
Measure of the efficiency of a nuclear fission reaction
Neutron economy is defined as the ratio of excess neutron production divided by the rate of fission. The numbers are a weighted average based primarily
Neutron_economy
Measure of neutron interaction likelihood
concept of a neutron cross section is used to express the likelihood of interaction between an incident neutron and a target nucleus. The neutron cross section
Neutron_cross_section
Induction of radioactivity by neutron radiation
Neutron activation is the process in which neutron radiation induces radioactivity in materials, and occurs when atomic nuclei capture free neutrons, becoming
Neutron_activation
Free neutrons stored in very small traps
Ultracold neutrons (UCN) are free neutrons which can be stored in traps made from certain materials. The storage is based on the reflection of UCN by such
Ultracold_neutrons
Decay of a neutron when outside a nucleus
A free neutron refers to a neutron that is not bound to an atomic nucleus. When embedded in a stable nuclide, neutrons have not been observed to decay
Free_neutron_decay
Study of motions and interactions of neutrons
Neutron transport (also known as neutronics) is the study of the motions and interactions of neutrons with materials. The neutron transport equation models
Neutron_transport
American comedian and actor (1975–2025)
Estevez in Jimmy Neutron: Boy Genius as well as its two Nickelodeon spin-off television show series—The Adventures of Jimmy Neutron, Boy Genius and Planet
Jeff_Garcia_(comedian)
Substance that slows down particles with no electric charge
engineering, a neutron moderator is a medium that reduces the speed of fast neutrons, ideally without capturing any, leaving them as thermal neutrons with only
Neutron_moderator
Nuclear reactor that uses moderated neutrons
A thermal-neutron reactor is a nuclear reactor that uses slow or thermal neutrons. ("Thermal" does not mean hot in an absolute sense, but means in thermal
Thermal-neutron_reactor
Neutron stars—extremely dense remnants of stars that have undergone supernova events—have appeared in fiction since the 1960s. Their immense gravitational
Neutron_stars_in_fiction
Nuclear reactor where fast neutrons maintain a fission chain reaction
sustained by fast neutrons (carrying energies above 1 MeV, on average), as opposed to slow thermal neutrons used in thermal-neutron reactors. Such a fast
Fast-neutron_reactor
Material with the ability to reflect neutrons; used to control fission reactions
A neutron reflector is any material that reflects neutrons. This refers to elastic scattering rather than to a specular reflection. Neutron reflectors
Neutron_reflector
The LARMOR neutron microscope is a microscope based on the principle of neutron scattering. It is named in honor of Joseph Larmor and the principle of
LARMOR_neutron_microscope
Neutron detection is the effective detection of neutrons entering a well-positioned detector. There are two key aspects to effective neutron detection:
Neutron_detection
Smallest amount of fissile material needed to sustain a nuclear reaction
neutron population. A numerical measure of a critical mass depends on the effective neutron multiplication factor k, the average number of neutrons released
Critical_mass
Strategy game
Neutron is a two-player abstract strategy game invented by Robert A. Kraus. The game was first published in the Playroom section of Games & Puzzles in
Neutron_(game)
Measurement standards laboratory in the United States
nanoscale science and technology, engineering, information technology, neutron research, material measurement, and physical measurement. From 1901 to
National Institute of Standards and Technology
National_Institute_of_Standards_and_Technology
Source of neutrons from linear particle accelerators
Neutron generators are neutron source devices which contain compact linear particle accelerators and that produce neutrons by fusing isotopes of hydrogen
Neutron_generator
Smallest unit of a chemical element
blocks of matter. An atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetically bound swarm of electrons. The chemical
Atom
Scientific measuring instrument
A neutron moisture meter is a moisture meter utilizing neutron scattering. The meters are most frequently used to measure the water content in soil or
Neutron_moisture_gauge
Neutron spectroscopy is a spectroscopic method of measuring atomic and magnetic motions by measuring the kinetic energy of emitted neutrons. The measured
Neutron_spectroscopy
Type of dense exotic matter in physics
astrophysics to refer to dense stellar objects such as white dwarfs and neutron stars, where thermal pressure alone is not enough to prevent gravitational
Degenerate_matter
Atomic nuclei decay delimiter
unbound with respect to the emission of a proton or neutron. An arbitrary combination of protons and neutrons does not necessarily yield a stable nucleus. One
Nuclear_drip_line
Form of fusion power
carried by neutrons. While the lowest-threshold nuclear fusion reactions release up to 80% of their energy as the kinetic energy of neutrons, aneutronic
Aneutronic_fusion
Highly-polished material in particle physics
A neutron supermirror is a highly polished, layered material used to reflect neutron beams. Supermirrors are a special case of multi-layer neutron reflectors
Neutron_supermirror
Several neutron scattering techniques have been developed to use thermal neutrons to characterize magnetic micro and nanostructures. Small-angle neutron scattering
Neutron_magnetic_imaging
Type of radioactive decay
Neutron emission is a mode of radioactive decay in which one or more neutrons are ejected from a nucleus. It occurs in the most neutron-rich/proton-deficient
Neutron_emission
American nuclear radiation enthusiast (1976–2016)
he never managed to build a functioning reactor, he did build a crude neutron source. In August 1994, Hahn's progress attracted the attention of local
David_Hahn
Type of radioactive decay
transforming into an isobar of that nuclide. For example, beta decay of a neutron transforms it into a proton by the emission of an electron accompanied
Beta_decay
Device for controlled nuclear reactions
single neutrons and split, releasing energy and multiple neutrons, which can induce further fission. Reactors stabilize this, regulating neutron absorbers
Nuclear_reactor
Defunct American animation studio
Jimmy Neutron character, who debuted in the company's 2001 film Jimmy Neutron: Boy Genius. A television series, The Adventures of Jimmy Neutron, Boy Genius
DNA_Productions
The Neutron Trail is a cultural project about the development and use of nuclear technology. Its subjects include nuclear power, nuclear disarmament,
Neutron_Trail
2004 video game
The Adventures of Jimmy Neutron: Boy Genius: Attack of the Twonkies is a 2004 video game published by THQ. The game is based on the American animated
The Adventures of Jimmy Neutron Boy Genius: Attack of the Twonkies
The_Adventures_of_Jimmy_Neutron_Boy_Genius:_Attack_of_the_Twonkies
Electricity generation by nuclear fusion
known as DT fusion. This reaction forms a helium nucleus and an energetic neutron. Fusion fuel is extremely energy-dense, but tritium is scarce on Earth
Fusion_power
Type of nuclear reactor that uses normal water
(LWR) is a type of thermal-neutron reactor that uses normal water, as opposed to heavy water, as both its coolant and neutron moderator; furthermore a solid
Light-water_reactor
Core of an atom composed of nucleons
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford at the
Atomic_nucleus
A neutron probe is a device used to measure the quantity of water present in soil. A typical neutron probe contains a pellet of americium-241 and beryllium
Neutron_probe
Neutron scattering technique
Neutron spin echo spectroscopy is an inelastic neutron scattering technique invented by Ferenc Mezei in the 1970s and developed in collaboration with John
Neutron_spin_echo
American actress
of Jimmy Neutron's mother Judy in the animated film Jimmy Neutron: Boy Genius (2001), and its television series The Adventures of Jimmy Neutron, Boy Genius
Megan_Cavanagh_(actress)
Italian-American physicist (1901–1954)
radioactive elements produced by neutron irradiation, and for his related discovery of nuclear reactions brought about by slow neutrons". He has been called the
Enrico_Fermi
Core atomic nucleus surrounded by orbiting protons or neutrons
when it has a core nucleus surrounded by a "halo" of orbiting protons or neutrons, which makes the radius of the nucleus appreciably larger than that predicted
Halo_nucleus
Chemical element with atomic number 4 (Be)
relation to neutron energy, allowing for significant slowing of higher-energy neutrons. Therefore, it works as a neutron reflector and neutron moderator;
Beryllium
Device used to regulate the power of a nuclear reactor
of absorbing many neutrons without themselves decaying. These elements have different neutron capture cross sections for neutrons of various energies
Control_rod
Neutron source used in some nuclear weapons
A modulated neutron initiator is a neutron source capable of producing a burst of neutrons on activation. It is a crucial part of some nuclear weapons
Modulated_neutron_initiator
Compact astronomical body
star compresses until neutron degeneracy pressure resists gravity, forming a neutron star. If the star is even more massive, neutron degeneracy pressure
Black_hole
Hypothetical counterpart to ordinary matter
ordinary neutrinos. Another possible way to evade the GZK bound is via neutron–mirror neutron oscillations. If mirror matter is present in the universe with sufficient
Mirror_matter
Interferometer using neutron diffraction to make precise measurements
In physics, a neutron interferometer is an interferometer capable of diffracting neutrons, allowing the wave-like nature of neutrons, and other related
Neutron_interferometer
Nonsurgical treatment for locally invasive malignant tumors
Neutron capture therapy (NCT) is a type of radiotherapy for treating locally invasive malignant tumors such as primary brain tumors, recurrent cancers
Neutron capture therapy of cancer
Neutron_capture_therapy_of_cancer
American business executive (1935–2020)
hierarchy. During the early 1980s, Welch was dubbed "Neutron Jack" (in reference to the neutron bomb) for eliminating employees while leaving buildings
Jack_Welch
Nucleosynthesis pathway
In nuclear astrophysics, the rapid neutron-capture process, also known as the r-process, is a set of nuclear reactions that is responsible for the creation
R-process
American football fan (1942–2004)
The Neutron Man (March 30, 1942 – October 7, 2004), real name Orlas King, was a popular Ohio State Buckeyes fan for over thirty years. Always seated by
Neutron_Man
Federal research center in Tennessee, US
third most powerful. The lab is a neutron and nuclear power research facility that includes the Spallation Neutron Source, the High Flux Isotope Reactor
Oak_Ridge_National_Laboratory
Method used for determining the concentrations of elements in many materials
Neutron activation analysis (NAA) is a nuclear process used for determining the concentrations of elements in many materials. NAA allows discrete sampling
Neutron_activation_analysis
American voice actress (born 1960)
games. She is best known for voicing the titular protagonist of the Jimmy Neutron franchise. Derryberry was born on September 27, 1960, in Indio, California
Debi_Derryberry
American public spaceflight company
hypersonic technology development, while the next-generation reusable Neutron medium-lift launch vehicle is in development to support constellation deployment
Rocket_Lab
electric dipole moment (EDM) of the neutron to a precision of ~10−28ecm. The name is an abbreviation of cryogenic neutron EDM experiment. The previous name
CryoEDM
Medical intervention
Fast neutron therapy utilizes high energy neutrons typically between 50 and 70 MeV to treat cancer. Most fast neutron therapy beams are produced by reactors
Fast_neutron_therapy
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