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Force that acts between the protons and neutrons of atoms
The nuclear force (or nucleon–nucleon interaction, residual strong force, or, historically, strong nuclear force) is a force that acts between hadrons
Nuclear_force
Binding of quarks in subatomic particles
In nuclear physics and particle physics, the strong interaction, also called the strong force or strong nuclear force, is one of the four known fundamental
Strong_interaction
Interaction between subatomic particles
In nuclear physics and particle physics, the weak interaction, weak force or weak nuclear force, is one of the four known fundamental interactions, with
Weak_interaction
French nuclear deterrence force
the Force de frappe ([fɔʁs də fʁɑp]; 'Strike Force') before 1961, is the French nuclear deterrence force. Formulated immediately after the Second World
Force_de_dissuasion
Minimum energy required to separate particles within a nucleus
Nucleons are attracted to each other by the strong nuclear force. In theoretical nuclear physics, the nuclear binding energy is considered a negative number
Nuclear_binding_energy
Set of three types of nuclear-strike standoff weapons
A nuclear triad is a three-pronged military force structure of global-range land-based intercontinental ballistic missiles (ICBMs), submarine-launched
Nuclear_triad
US-Soviet/Russian treaty (1987–2019)
The Intermediate-Range Nuclear Forces Treaty (INF Treaty) was an arms control treaty between the United States and the Soviet Union (and its successor
Intermediate-Range Nuclear Forces Treaty
Intermediate-Range_Nuclear_Forces_Treaty
Air service branch of the U.S. military
Finally, the Air Force regularly exercises and evaluates all aspects of nuclear operations to ensure high levels of performance. Nuclear surety ensures
United_States_Air_Force
Core of an atom composed of nucleons
cloud. Protons and neutrons are bound together to form a nucleus by the nuclear force. The diameter of the nucleus is in the range of 1.70 fm (1.70×10−15 m)
Atomic_nucleus
Strategic and tactical missile force of the Chinese People's Liberation Army
world's third-largest nuclear power, possessing a small but credible nuclear deterrent force of approximately 100 to 400 nuclear weapons. Beginning in
People's Liberation Army Rocket Force
People's_Liberation_Army_Rocket_Force
US Air Force unit tasked with ensuring safe, secure, and reliable nuclear weapon systems
The Air Force Nuclear Weapons Center is a USAF unit assigned to the Air Force Materiel Command (AFMC) at Kirtland Air Force Base, New Mexico. Established
Air Force Nuclear Weapons Center
Air_Force_Nuclear_Weapons_Center
Major command of the United States Air Force responsible for strategic and nuclear forces
strategic nuclear deterrence and global strike operations in support of combatant commanders. Air Force Global Strike Command is the Air Force's service
Air Force Global Strike Command
Air_Force_Global_Strike_Command
American nuclear technology company
Radiant Industries Inc., commonly known as Radiant Nuclear, is an American nuclear energy company based in El Segundo, California, that designs and markets
Radiant_Nuclear
Nuclear weapon designed for use on a battlefield
A tactical nuclear weapon (TNW) or non-strategic nuclear weapon (NSNW) is a nuclear weapon that is designed to be used on a battlefield in military situations
Tactical_nuclear_weapon
List of incidents which could have led to a nuclear exchange
A nuclear close call is an incident that might have led to at least one nuclear explosion, but did not. They can be split into intentional use and unintentional
Nuclear_close_calls
Influence that can change motion of an object
interactions, the weak nuclear force creates no bound states. The weak force is due to the exchange of the heavy W and Z bosons. Since the weak force is mediated
Force
Topics referred to by the same term
physics Electromagnetic attraction Magnetism Gravity Strong nuclear force Weak nuclear force Attraction basin (a.k.a. attractor), in dynamical systems Attraction
Attraction
Accidental loading of warheads onto an aircraft
W80-1 variable yield nuclear warhead, were mistakenly loaded onto a United States Air Force (USAF) B-52H heavy bomber at Minot Air Force Base in North Dakota
2007 United States Air Force nuclear weapons incident
2007_United_States_Air_Force_nuclear_weapons_incident
Force which acts on an object without coming physically in contact with it
electronic processes. Strong nuclear force: Unlike gravity and electromagnetism, the strong nuclear force is a short distance force that takes place between
Non-contact_force
UK specialised police force
The Civil Nuclear Constabulary (CNC) (Welsh: Heddlu Sifil Niwclear) is a special police force responsible for providing law enforcement and security at
Civil_Nuclear_Constabulary
Reaction that combines atomic nuclei
Nuclear fusion is a reaction in which two or more atomic nuclei combine to form a larger nucleus. The difference in mass between the reactants and products
Nuclear_fusion
was the seventh country to develop nuclear weapons. As of 2026[update], India is estimated to possess 190 nuclear weapons. India previously developed
India and weapons of mass destruction
India_and_weapons_of_mass_destruction
Reaction that splits an atomic nucleus
Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei. The fission process often produces neutrons and
Nuclear_fission
Emissions from unstable atomic nuclei
decay. The weak force is the mechanism that is responsible for beta decay, while the other two are governed by the electromagnetic and nuclear forces. Radioactive
Radioactive_decay
Field of physics that studies atomic interactions
electrons. Discoveries in nuclear physics have led to applications in many fields such as nuclear power, nuclear weapons, nuclear medicine and magnetic resonance
Nuclear_physics
Smallest unit of a chemical element
the electromagnetic force. The protons and neutrons in the nucleus are attracted to each other by the nuclear force. This force is usually stronger than
Atom
Type of international nuclear weapons policy
A "nuclear umbrella" is a guarantee by a nuclear-weapon state to defend a non-nuclear allied state. The context is usually the security alliances of the
Nuclear_umbrella
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either nuclear fission (fission or atomic bomb) or
Nuclear_weapon
possess nuclear weapons, though only eight formally acknowledge possessing them. In order of first successful nuclear test, the world's nine nuclear-armed
List of states with nuclear weapons
List_of_states_with_nuclear_weapons
Most basic type of physical force
forces at subatomic scales and govern nuclear interactions inside atoms. Some scientists hypothesize that a fifth force might exist, but these hypotheses
Fundamental_interaction
Type of radioactive decay
is governed by the interplay between both the strong nuclear force and the electromagnetic force. Alpha particles have a typical kinetic energy of 5 MeV
Alpha_decay
Transformation of a nuclide to another
In nuclear physics and nuclear chemistry, a nuclear reaction is a process in which two nuclei, or a nucleus and an external subatomic particle, collide
Nuclear_reaction
test nuclear weapons. The UK is one of nine nuclear-armed states, and one of five recognized by the Treaty on the Non-Proliferation of Nuclear Weapons
Nuclear weapons of the United Kingdom
Nuclear_weapons_of_the_United_Kingdom
Quantum field theory
unsolved problems in physics Yang–Mills theory is a quantum field theory for nuclear binding devised by Chen Ning Yang and Robert Mills in 1953, as well as
Yang–Mills_theory
Response to a powerful first nuclear strike
In nuclear strategy, a retaliatory strike or second-strike capability is a country's assured ability to respond to a nuclear attack with powerful nuclear
Second_strike
Space warfare arm of the People's Liberation Army
2007, using an SC-19 missile. The force operates Lop Nur Nuclear Test Base, the only nuclear test site of China's nuclear weapons program, and other research
People's Liberation Army Aerospace Force
People's_Liberation_Army_Aerospace_Force
Messages to deter human intrusion at nuclear waste repositories in the far future
Long-term nuclear waste warning messages are communication attempts intended to deter human intrusion at nuclear waste repositories in the far future,
Long-term nuclear waste warning messages
Long-term_nuclear_waste_warning_messages
States holds the second-largest arsenal of nuclear weapons (after the Russian Federation) among the nine nuclear-armed countries. Under the Manhattan Project
Nuclear weapons of the United States
Nuclear_weapons_of_the_United_States
War II. The establishment of the French Nuclear Deterrence Force was based on a French nuclear testing program that began on February 13, 1960, and ended
History of France's military nuclear program
History_of_France's_military_nuclear_program
Legally binding international agreement to prohibit nuclear weapons
The Treaty on the Prohibition of Nuclear Weapons (TPNW), or the Nuclear Weapon Ban Treaty, is the first legally binding international agreement to
Treaty on the Prohibition of Nuclear Weapons
Treaty_on_the_Prohibition_of_Nuclear_Weapons
Military conflict that deploys nuclear weaponry
Nuclear warfare, also known as atomic warfare, is a military conflict or prepared political strategy that deploys nuclear weaponry. Nuclear weapons are
Nuclear_warfare
Aspect of nuclear deterrence strategy
Nuclear sharing is a concept in deterrence theory in which a nuclear-armed country deploys nuclear weapons on the territory of a country that does not
Nuclear_sharing
Characterization of nuclide stability
In nuclear physics, the valley of stability (also called the belt of stability, nuclear valley, energy valley, or beta stability valley) is a characterization
Valley_of_stability
Ratio of neutrons to protons in an atomic nucleus
repulsive force AND fewer neutrons = reduced strong force. For many elements with atomic number Z small enough to occupy only the first three nuclear shells
Neutron–proton_ratio
United States Air Force Operation Reporting System, as set out in Air Force Instruction 10-206 detail a number of terms for reporting nuclear incidents internally
United States military nuclear incident terminology
United_States_military_nuclear_incident_terminology
developing nuclear weapons. The Israeli Air Force conducted Operation Opera and Operation Orchard, which destroyed pre-critical Iraqi and Syrian nuclear reactors
Nuclear_weapons_of_Israel
Risk of nuclear conflict during the Russo-Ukrainian war
without nuclear response. For example, the June 2025 Operation Spiderweb coordinated drone attack by Ukraine on Russia's strategic bomber force, which
Nuclear risk during the Russo-Ukrainian war (2022–present)
Nuclear_risk_during_the_Russo-Ukrainian_war_(2022–present)
1988 book by Stephen Hawking
electromagnetic force is carried by photons. The weak nuclear force is responsible for radioactivity and is carried by W and Z bosons. The strong nuclear force, which
A_Brief_History_of_Time
Topic in nuclear warfare
of the U.S. nuclear deterrent. Nuclear Command and Control and Communications (NC3), is managed by the Military Departments, nuclear force commanders,
Nuclear_command_and_control
1972 science fiction novel by Isaac Asimov
Bronowski works, Lamont learns that use of the Pump increases the strong nuclear force inside the sun, threatens to explode Earth's sun while cooling that
The_Gods_Themselves
coordinates) France's 1995–96 nuclear test series was a group of 6 nuclear tests conducted by the French Nuclear Force in 1995–96. These tests followed
1995–96_French_nuclear_tests
British strategic nuclear force and were focused on deterring the Soviet Union. The Royal Navy was also assigned 43 WE.177A nuclear depth bombs; these
British nuclear weapons and the Falklands War
British_nuclear_weapons_and_the_Falklands_War
United States Air Force base in Albuquerque, New Mexico
Air Force Materiel Command's Nuclear Weapons Center (NWC). The NWC's responsibilities include acquisition, modernization and sustainment of nuclear system
Kirtland_Air_Force_Base
Effective field theory of hadron interactions
hadron-hadron interactions or the inter-hadron force. It is "a framework for describing the nuclear many-body problem as a relativistic system of baryons
Quantum_hadrodynamics
Ionizing radiation particle of two protons and two neutrons
responsible for alpha decay are a balance between the electromagnetic force and nuclear force. Alpha decay results from the Coulomb repulsion between the alpha
Alpha_particle
International treaty
nuclear weapons and weapons technology, to promote cooperation in the peaceful uses of nuclear energy, and to further the goal of achieving nuclear disarmament
Treaty on the Non-Proliferation of Nuclear Weapons
Treaty_on_the_Non-Proliferation_of_Nuclear_Weapons
Crash of US Air Force bomber with nuclear warheads
assembled at Kirtland Air Force Base in New Mexico. They were joined by representatives from the Department of Defense Nuclear Safety Research Directorate
1961_Goldsboro_B-52_crash
European nuclear force within the NATO, the Multilateral Force (MLF). MLF was a concept promoted by the United States to place all NATO nuclear weapons
Italian nuclear weapons program
Italian_nuclear_weapons_program
Accidental release of a nuclear weapon in South Carolina, United States
1958 Mars Bluff B-47 nuclear weapon loss incident was the inadvertent release of a nuclear weapon from a United States Air Force B-47 bomber over Mars
1958 Mars Bluff B-47 nuclear weapon loss incident
1958_Mars_Bluff_B-47_nuclear_weapon_loss_incident
1981 Israeli airstrike on an Iraqi nuclear reactor
surprise airstrike conducted by the Israeli Air Force on 7 June 1981, which destroyed an unfinished Iraqi nuclear reactor located 17 kilometres (11 miles) southeast
Operation_Opera
Award
The Nuclear Deterrence Operations Service Medal is a service medal of the United States Air Force and United States Space Force established on 27 May
Nuclear Deterrence Operations Service Medal
Nuclear_Deterrence_Operations_Service_Medal
Screened Coulomb potential which exponentially decays
the gauge coupling constant between those fields. In the case of the nuclear force, the fermions would be a proton and another proton or a neutron. Prior
Yukawa_potential
Metastable excited state of a nuclide
A nuclear isomer is a metastable state of an atomic nucleus in which one or more nucleons (protons or neutrons) occupy excited state levels (higher energy
Nuclear_isomer
Subatomic particle; lightest meson
mesons as the carrier particles of the strong nuclear force. From the range of the strong nuclear force (inferred from the radius of the atomic nucleus)
Pion
US Air Force base near Knob Noster, Missouri, United States
States. It is operated by the Air Force Global Strike Command, as the base for all 19 operational B-2 Spirit nuclear-capable stealth bombers, as well as
Whiteman_Air_Force_Base
notable military accidents involving nuclear material. Civilian accidents are listed at List of civilian nuclear accidents. For a general discussion of
List of military nuclear accidents
List_of_military_nuclear_accidents
2024 book by Annie Jacobsen
Nuclear War: A Scenario is a 2024 book by American journalist Annie Jacobsen, published by Dutton and Transworld. The book combines historical analysis
Nuclear_War:_A_Scenario
Immediate emission of neutrons after nuclear fission
from fission within 10−14 seconds. This emission is controlled by the nuclear force and is extremely fast. By contrast, so-called delayed neutrons are delayed
Prompt_neutron
Multi-model class of strategic bombers
Air Force (RAF) aircraft during the 1950s and 1960s that comprised the United Kingdom's strategic nuclear strike force known officially as the V force or
V_bomber
Submarine-launched ballistic missile
that they be given the entire nuclear deterrent role. This led to new infighting between the Navy and the US Air Force, the latter responding by developing
UGM-27_Polaris
Subatomic particle with no charge
to the discovery of nuclear fission in 1938, the first self-sustaining nuclear reactor (Chicago Pile-1, 1942), and the first nuclear weapon (Trinity, 1945)
Neutron
Pakistan's law enforcement agency responsible for protection of special nuclear materials
Strategic Plans Division Force (reporting name:SPD Force) is a paramilitary unit responsible for safeguarding Pakistan's nuclear arsenal, including both
Strategic Plans Division Force
Strategic_Plans_Division_Force
1996 treaty banning all nuclear weapons testing
being in force, the CTBT has established a global norm against nuclear testing, reinforced by nuclear testing moratoria declared by the five nuclear-weapon
Comprehensive Nuclear-Test-Ban Treaty
Comprehensive_Nuclear-Test-Ban_Treaty
Nuclear weapon
in all nuclear-armed AGM-86 Air-Launched Cruise Missile (ALCM) and AGM-129 Advanced Cruise Missile (ACM) missiles deployed by the US Air Force, and in
W80_(nuclear_warhead)
In physics, proton and neutron magnetism
matter through either the nuclear force or their magnetic moments, with the charged proton also interacting by the Coulomb force. The proton's magnetic moment
Nucleon_magnetic_moment
Bosons that mediate the weak interaction
particles that mediate the weak nuclear force, much as the photon is the carrier particle for the electromagnetic force. The W± bosons are best known
W_and_Z_bosons
Military strategy during the Cold War with regard to the use of nuclear weapons
deterrence revolves around how to credibly threaten military action or nuclear punishment on the adversary despite its costs to the deterrer. Deterrence
Deterrence_theory
Component of an atomic nucleus
between two or more nucleons is called internucleon interaction or nuclear force, which is also ultimately caused by the strong interaction. (Before
Nucleon
primarily the Hwasong-11D. The Force also operates the Hwasal-1/-2 cruise missiles and reportedly tactical nuclear weapons. North Korea is developing
North Korea and weapons of mass destruction
North_Korea_and_weapons_of_mass_destruction
leading by the late 1970s, to quantum field models of strong nuclear force and weak nuclear force, united in the modern Standard Model of particle physics
History of quantum field theory
History_of_quantum_field_theory
Air warfare branch of the German military
nuclear delivery platform, armed with nuclear air-to-air and air-to-surface missiles, as well as nuclear bombs. The Tornado was the second air force plane
German_Air_and_Space_Force
of nuclear weapons is the world's third-largest, estimated at 620 nuclear warheads as of 2026[update]. China was the fifth country to develop nuclear weapons
Nuclear_weapons_of_China
Type of explosive arms
Nuclear weapons delivery is the technology and systems used to place a nuclear weapon at the position of detonation, on or near its target. All nine nuclear
Nuclear_weapons_delivery
2025 American military action
On June 22, 2025, the United States Air Force and Navy attacked three nuclear facilities in Iran as part of the Twelve-Day War, under the code name Operation
2025 United States strikes on Iranian nuclear sites
2025_United_States_strikes_on_Iranian_nuclear_sites
Type of bomb
The Mark 6 nuclear bomb was an American nuclear bomb based on the earlier Mark 4 nuclear bomb and its predecessor, the Mark 3 Fat Man nuclear bomb design
Mark_6_nuclear_bomb
American ICBM
Based Strategic Deterrent (GBSD) next-generation nuclear ICBM, was made by the US Air Force Nuclear Weapons Center, ICBM Systems Directorate, GBSD Division
LGM-30_Minuteman
from the complexities of the inter-nucleon interaction. The strong nuclear force is believed to emerge from the strong interaction described by quantum
Ab initio methods (nuclear physics)
Ab_initio_methods_(nuclear_physics)
Case used to authorize nuclear weapons
specifically devoted to nuclear force. India does not have a nuclear briefcase. In India, the Political Council of the Nuclear Command Authority (NCA)
Nuclear_briefcase
Subatomic particle with positive charge
and neutrons are both nucleons, which may be bound together by the nuclear force to form atomic nuclei. The nucleus of the most common isotope of the
Proton
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
Explosion of a star 8 to 45 times the mass of the Sun
ten-second burst. The collapse of the inner core is halted by the repulsive nuclear force and neutron degeneracy, causing the implosion to rebound and bounce
Type_II_supernova
Subatomic particle
quark–antiquark pair. It is part of the vector meson nonet and mediates the nuclear force along with pions and rho mesons. The most common decay mode for the
Omega_meson
Scalar–fermion interaction
was developed to model the strong force between hadrons. Yukawa couplings are thus used to describe the nuclear force between nucleons mediated by pions
Yukawa_coupling
Atoms of the same element, but different mass
Isotopes are distinct nuclear species (or nuclides) of the same chemical element. They have the same atomic number (number of protons in their nuclei)
Isotope
Controlled detonation of nuclear weapons for scientific or political purposes
Comprehensive Nuclear-Test-Ban Treaty in 1996, these countries pledged to discontinue all nuclear testing; the treaty has not yet entered into force because
Nuclear_weapons_testing
Number of heavy particles in the atomic nucleus
decay without change in mass number is emission of a gamma ray from a nuclear isomer or metastable excited state of an atomic nucleus. Since all the
Mass_number
US nuclear weapons security policy review
focus: Role of nuclear weapons, nuclear force structure, nuclear force options, nuclear safety and security, and relationship between US nuclear posture,
Nuclear_Posture_Review
Chinese strategic bomber aircraft
primary bomber aircraft of the People's Liberation Army Air Force (PLAAF). The H-6N nuclear variant is a redesigned modernized strategic bomber carrying
Xi'an_H-6
Space in mathematics and theoretical physics
that twistor space may aid in understanding the asymmetry of the weak nuclear force. In the (translated) words of Jacques Hadamard: "the shortest path between
Twistor_space
Discontinued US research program on the viability of nuclear pulse propulsion
in the 1950s and 1960s by the United States Air Force, DARPA, and NASA into the viability of a nuclear pulse spaceship that would be directly propelled
Project Orion (nuclear propulsion)
Project_Orion_(nuclear_propulsion)
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