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Constituent quark cores (constituent quarks with no covering) of a valence quark
Current quarks (also called naked quarks or bare quarks) are a description of valence quarks as the cores of the quark particles that are the invariable
Current_quark
Elementary particle, fundamental constituent of matter
A quark (/ˈkwɔːrk, ˈkwɑːrk/ ) is a type of elementary particle and a fundamental constituent of matter. Quarks combine to form composite particles called
Quark
Degenerate matter made from strange quarks
Strange matter (or strange quark matter) is quark matter containing strange quarks. In extreme environments, strange matter is hypothesized to occur in
Strange_matter
Subatomic particle with positive charge
the quarks that make up protons: current quark mass refers to the mass of a quark by itself, while constituent quark mass refers to the current quark mass
Proton
Species of elementary particle
species of an elementary particle. The Standard Model counts six flavours of quarks and six flavours of leptons. They are conventionally parameterized with
Flavour_(particle_physics)
Subatomic particle; lightest meson
of three subatomic particles: π0 , π+ , and π− . Each pion consists of a quark and an antiquark and is therefore a meson. Pions are the lightest mesons
Pion
Type of quark
The charm quark, charmed quark, or c quark is an elementary particle found in composite subatomic particles called hadrons such as the J/psi meson and
Charm_quark
Classification scheme of hadrons
In particle physics, the quark model is a classification scheme for hadrons in terms of their valence quarks—the quarks and antiquarks that give rise to
Quark_model
Type of hypothetical particle
The known particles with strange quarks are unstable. Because the strange quark is heavier than the up and down quarks, it can spontaneously decay, via
Strangelet
A constituent quark is a current quark with a notional "covering" induced by the renormalization group. In the low-energy limit of QCD, a description by
Constituent_quark
State of matter important in cosmology and particle physics
Quark–gluon plasma (QGP or quark soup) is an interacting localized assembly of quarks and gluons in chemical equilibrium and local thermal equilibrium
Quark–gluon_plasma
Compact exotic star which forms matter consisting mostly of quarks
A quark star is a hypothetical type of compact, exotic star, where extremely high core temperature and pressure have forced nuclear particles to form
Quark_star
Type of quark
The top quark (symbol: t) is the most massive of all observed elementary particles. It derives its mass from its coupling to the Higgs field. This coupling
Top_quark
Hypothetical explosion of a neutron star
a neutron star, a quark nova signals the creation of a quark star. The term quark-nova was coined in 2002 by Rachid Ouyed (currently at the University
Quark-nova
Unitary matrix containing information on the weak interaction
nonstrange and strange vector and axial weak currents, which he references. In light of current concepts (quarks had not yet been proposed), the Cabibbo angle
Cabibbo–Kobayashi–Maskawa matrix
Cabibbo–Kobayashi–Maskawa_matrix
Desktop publishing software
1987 by Quark, Inc., who continue to develop and maintain the software, which is available for both macOS and Windows. As of 2026, the current version
QuarkXPress
Topics referred to by the same term
function as a single unit within a hierarchical structure Constituent quark, a current quark with a notional "covering" Ingredient Part (disambiguation) This
Constituent
Bosons that mediate the weak interaction
composite of an up quark and two down quarks (udd). It is one of the down quarks that interacts in beta decay, turning into an up quark to form a proton
W_and_Z_bosons
Interaction between subatomic particles
up quark has T3 = ++1/2 and the down quark has T3 = −+1/2. A quark never decays through the weak interaction into a quark of the same T3: Quarks with
Weak_interaction
Subatomic particle having no substructure
color charge. The remaining six particles are quarks (discussed below). The following table lists current measured masses and mass estimates for all the
Elementary_particle
Component of an atomic nucleus
that describe the properties of quarks and of the strong interaction. These equations describe quantitatively how quarks can bind together into protons
Nucleon
American software company
Quark Software Inc. is an American privately-owned software company which specializes in enterprise publishing software for automating the production
Quark_(company)
Energy that binds quarks into hadrons
this "quark current mass" can nominally be attributed to the Higgs interaction. For neutrons, the sum of the rest masses of the three valence quarks (two
Quantum chromodynamics binding energy
Quantum_chromodynamics_binding_energy
Something that has mass and volume
including plasma, Bose–Einstein condensates, fermionic condensates, and quark–gluon plasma. Usually, atoms can be imagined as a nucleus consisting of
Matter
Study of subatomic particles and forces
and the strong interaction. Quarks form hadrons, but cannot exist on their own. Hadrons that contain an odd number of quarks are called baryons and those
Particle_physics
Hypothetical particle interactions that would signal physics beyond the Standard Model
change a particle's flavor (i.e., its type, such as a strange quark changing into a down quark) without changing its electric charge. In the Standard Model
Flavor-changing neutral current
Flavor-changing_neutral_current
Theory of forces and subatomic particles
the current formulation being finalized in the mid-1970s upon experimental confirmation of the existence of quarks. Since then, proof of the top quark (1995)
Standard_Model
List of particles in matter including fermions and bosons
three positively charged quarks are called "up-type quarks" while the three negatively charged quarks are called "down-type quarks". Leptons do not interact
List_of_particles
Particle smaller than an atom
less. A proton is made of two up quarks and one down quark, while the neutron is made of two down quarks and one up quark. These commonly bind together into
Subatomic_particle
Hypothetical phases of matter
Quark matter or QCD matter refers to matter governed by quantum chromodynamics and involving quarks and gluons. At different temperatures and densities
QCD_matter
Hypothetical particle
theories of quark–lepton unification (e.g., Pati–Salam model), or Grand Unified Theories based on SU(5), SO(10), E6, etc. Leptoquarks are currently searched
Leptoquark
Subatomic particle with no charge
physics. Neutrons are not elementary particles; each is composed of three quarks. A free neutron spontaneously decays to a proton, an electron, and an antineutrino
Neutron
Theory of the strong nuclear interactions
chromodynamics (QCD) is the study of the strong interaction between quarks mediated by gluons. Quarks are fundamental particles that make up composite hadrons such
Quantum_chromodynamics
Quantum number related to the weak interaction
physics, isospin ( I ) is a quantum number related to the up- and down quark content of the particle. Isospin is also known as isobaric spin or isotopic
Isospin
Lowest energy state in quantum chromodynamics
and the quark condensate in the complete theory which includes quarks. The presence of these condensates characterizes the confined phase of quark matter
QCD_vacuum
Subatomic particle made of a charm quark and antiquark
flavor-neutral meson consisting of a charm quark and a charm antiquark. Mesons formed by a bound state of a charm quark and a charm antiquark are generally known
J/psi_meson
American physicist (born 1936)
terminology, ultimately Gell-Mann's quarks were closer to "current quarks", while Zweig's to "constituent quarks". Gell-Mann received the Nobel Prize
George_Zweig
Hypothetical subatomic particle
preons are hypothetical point particles, conceived of as sub-components of quarks and leptons. The word 'preon' was coined by Jogesh Pati and Abdus Salam
Preon
Forms which matter can take
(in extreme cold), neutron-degenerate matter (in extreme density), and quark–gluon plasma (at extremely high energy). The term phase is sometimes used
State_of_matter
American mycologist
Mandie Quark is an American molecular biologist and mycologist. She currently serves as communications director for the California Fungal Diversity Survey
Mandie_Quark
Online news aggregator and blog
3 Quarks Daily is an online news aggregator and blog that curates commentary, essays, and multimedia from selected periodicals, newspapers, journals, and
3_Quarks_Daily
Theoretical framework in physics
{2}{3}}N_{f}\right)+O{\mathord {\left(g^{5}\right)}},} where Nf is the number of quark flavours. In the case where Nf ≤ 16 (the Standard Model has Nf = 6), the
Quantum_field_theory
Subatomic Particle with Five Quarks
four quarks and one antiquark bound together. Evidence for the existence of pentaquarks has been found in decays of the bottom lambda baryon. As quarks have
Pentaquark
Mathematics of a particle physics model
commonly viewed as describing the fundamental set of particles – the leptons, quarks, gauge bosons and the Higgs boson. The Standard Model is renormalizable
Mathematical formulation of the Standard Model
Mathematical_formulation_of_the_Standard_Model
American theoretical physicist (1929–2019)
the theory of elementary particles. Gell-Mann introduced the concept of quarks as the fundamental building blocks of the strongly interacting particles
Murray_Gell-Mann
Division of elementary particles
for introduction in a new quark that is an isosinglet and is responsible for generating Flavour-Changing-Neutral-Currents' (FCNC) at tree level in the
Generation_(particle_physics)
Isosinglet meson made of quarks and antiquarks
as the (light) η defined, but are made of charm quarks and bottom quarks respectively. The top quark is too heavy to form a similar meson, due to its
Eta_and_eta_prime_mesons
Type of radioactive decay
a neutron, composed of two down quarks and an up quark, decays to a proton composed of a down quark and two up quarks. Electron capture is sometimes included
Beta_decay
Elementary particle involved with rest mass
Other accurate predictions included the weak neutral current, the gluon, and the top and charm quarks, all later proven to exist. Electroweak symmetry is
Higgs_boson
Comparison of a wide range of masses
2011. K. Nakamura; Particle Data Group (2011). "PDGLive Particle Summary 'Quarks (u, d, s, c, b, t, b', t', Free)'" (PDF). Particle Data Group. Retrieved
Orders_of_magnitude_(mass)
Phenomenon in particle physics
quark masses as dictated by chiral perturbation theory, (effectively as the square-root of the quark masses). The three heavy quarks: the charm quark
Chiral_symmetry_breaking
Subatomic particle
understood to be hadrons – that is, particles made of quarks – and thus subject to the nuclear force. In the quark model, a meson was no longer defined by mass
Muon
Predicted phase in quark matter
electric charge without loss. Color superconductivity is predicted to occur in quark matter if the baryon density is sufficiently high (i.e., well above the
Color_superconductivity
Swiss physicist (born 1938)
Gasser-Leutwyler coefficients of the effective Lagrangian and the determination of current quark masses. Leutwyler received an honorary doctorate of the Johannes Gutenberg
Heinrich_Leutwyler
American travel company
Quark Expeditions is a polar travel company headquartered in Seattle, Washington that offers small-ship expedition cruises aboard expedition ships and
Quark_Expeditions
Baryon made of specific quark combinations
hadron particles which have two quarks from the first flavour generation (up and / or down quarks), and a third quark from a higher flavour generation
Sigma_baryon
Quantization procedure in quantum field theory
quantitatively. For example, the Relativistic String Hamiltonian depends on the current quark masses, the string tension, and a parameter corresponding to Λ Q C D
Light-front quantization applications
Light-front_quantization_applications
Motor vehicle
The Peugeot Quark was a concept car from Peugeot, similar to a four-wheeled motorcycle or a quad bike. The Quark was unveiled at the 2004 Paris Motor Show
Peugeot_Quark
(mathematics) Current (stream) Current algebra Current density Current density (quantum mechanics) Current quark Current quark mass Current sheet Current sources
Index_of_physics_articles_(C)
Type of subatomic particle
etc.) and obey the Pauli exclusion principle. These particles include all quarks and leptons and all composite particles made of an odd number of these,
Fermion
Short-lived hadronic particle that is an isospin triplet
electromagnetic self-energy of the particle as well as the quark masses; however, the current experimental data are unable to show a significant difference
Rho_meson
Question of why quantum chromodynamics does seem to not break CP-symmetry
consider a Yang–Mills theory with a single massive quark. The most general mass term possible for the quark is a complex mass written as m e i θ ′ γ 5 {\displaystyle
Strong_CP_problem
History and future of the universe
each other leaving energy and a small remainder of matter in the form of a quarks-gluon plasma. As the expansion continues, this plasma condenses into a sea
Chronology_of_the_universe
Elementary particle with extremely low mass
compared to those of the other elementary particles, such as electrons or quarks. Majorana neutrinos would have the property that the neutrino and antineutrino
Neutrino
Lightweight Linux distribution based on Debian
version of the Quark installer for windows was released on 2 February 2022. Quark 20.04.6 brought security bugfixes from upstream Kubuntu. Quark 21.10 'Impish'
Q4OS
American theoretical physicist
GIM mechanism showed that the two quark pairs: (d.s), (u,c), would largely cancel out flavor changing neutral currents, which had been observed experimentally
Sheldon_Glashow
quark content of two up quarks, a down quark, a charm quark, and an anti-charm quark (uudcc), making them charmonium-pentaquarks. Existence of quark-gluon
List of unsolved problems in physics
List_of_unsolved_problems_in_physics
Operating system
In computing, Quark is an operating system kernel used in MorphOS. It is a microkernel designed to run fully virtualized computers, called boxes (see
Quark_(kernel)
Rich & Jeanne Carrigan-Fauci March 14, 1993 (1993-03-14) 40510-410 11.4 Quark plays a board game with the Wadi, a newly encountered species from the Gamma
List of Star Trek: Deep Space Nine episodes
List_of_Star_Trek:_Deep_Space_Nine_episodes
Elementary particle with negative charge
the ordinary matter that makes up the universe, along with up and down quarks. Electrons are extremely lightweight particles. In atoms, an electron's
Electron
Tabular arrangement of the chemical elements
Alternatively, quark matter may become stable at high mass numbers, in which the nucleus is composed of freely flowing up and down quarks instead of binding
Periodic_table
Most basic type of physical force
interaction is carried by a particle called the gluon and is responsible for quarks binding together to form hadrons, such as protons and neutrons. As a residual
Fundamental_interaction
Hypothetical vacuum, less stable than true vacuum
electron-positron collider would be able to provide the precise measurements of the top quark needed for such calculations. Chaotic inflation theory suggests that the
False_vacuum
Star at the centre of the Solar System
thin current sheet is formed in the solar wind. At great distances, the rotation of the Sun twists the dipolar magnetic field and corresponding current sheet
Sun
Temperature at which the partition function of a statistical-mechanical system diverges
matter) is no longer stable, and must either "evaporate" or convert into quark matter; as such, it can be thought of as the "boiling point" of hadronic
Hagedorn_temperature
Meson with total spin 0 and odd parity
quickly than the strong force), it is currently [2021] believed that composite particles containing the top quark do not form, with the possible exception
Pseudoscalar_meson
Hypothetical model through which W and Z bosons acquire mass
in particular issues of flavor-changing neutral currents, precision electroweak tests, and the top quark mass. Technicolor models also do not generically
Technicolor_(physics)
Core of an atom composed of nucleons
third baryon called a hyperon, containing one or more strange quarks and/or other unusual quark(s), can also share the wave function. However, this type of
Atomic_nucleus
Hypothetical particles made up of six quarks or antiquarks
dibaryons would very quickly dissolve into quark–gluon plasma during the collapse, or go into some currently unknown state of matter. In 2014, a potential
Hexaquark
Second-rank tensor in quantum chromodynamics
second-order tensor field characterizing the gluon interaction between quarks. The strong interaction is one of the fundamental interactions of nature
Gluon_field_strength_tensor
Hypothetical elementary particle that mediates gravity
with electromagnetism's spin-1 photon, the source of which is the four-current, a first-order tensor). Additionally, it can be shown that any massless
Graviton
Process in high-energy hadron–hadron scattering
process occurs in high energy hadron–hadron scattering. It takes place when a quark of one hadron and an antiquark of another hadron annihilate, creating a
Drell–Yan_process
Small localized object
composed of quarks. By contrast, elementary particles (also called fundamental particles) are not made of other particles. According to our current knowledge
Particle
Electrically neutral group of two or more atoms
Fermions Quarks Up (quark antiquark) Down (quark antiquark) Charm (quark antiquark) Strange (quark antiquark) Top (quark antiquark) Bottom (quark antiquark)
Molecule
Distribution used in collider collisions
transverse momentum distributions (TMDs) are the distributions of the hadron's quark or gluon momenta that are perpendicular to the momentum transfer between
Transverse momentum distributions
Transverse_momentum_distributions
Type of collision between subatomic particles
neutrons, which have been of essential importance for the development of the quark model in particle physics." To explain each part of the terminology, "scattering"
Deep_inelastic_scattering
Research program at the University of Notre Dame
The Notre Dame QuarkNet Center at the University of Notre Dame was established in 1999. QuarkNet is a nation-wide program that pairs university faculty
Notre_Dame_QuarkNet_Center
Phenomenon in particle physics
a particularly energetic gluon, radiated by one of the quarks, which hadronizes much as a quark does. A particularly striking feature of these events,
Three-jet_event
Particle accelerator at CERN, Switzerland
fundamental forces? See also Hierarchy problem. Are there additional sources of quark flavour mixing beyond those already present within the Standard Model? Why
Large_Hadron_Collider
Spin 1 quasiparticle; quantum of a spin wave
room temperature. In 2015 Uchida et al. reported the generation of spin currents by surface plasmon resonance. Paramagnons are magnons in magnetic materials
Magnon
Mechanism in quantum field theory
mechanism however, required the existence of a fourth quark, and the prediction of the charm quark is usually credited to Glashow, Iliopoulos, and Maiani
GIM_mechanism
Hypothetical elementary particles
to create than the reach of any current particle collider experiment. Significantly, the X and Y bosons couple quarks (constituents of protons and others)
X_and_Y_bosons
Experimental particle physicist
the study of mesons with charm quarks and strange quarks, and hadrons with bottom quarks (see, e.g.,). He is currently working on searches for new particles
Pekka_K._Sinervo
American experimental physics device (1985–2011)
existence of the bottom quark solidified physicists' conviction that the top quark existed. The top quark was the last of the quarks to be observed, mostly
Collider_Detector_at_Fermilab
American businessman (born 1944)
Bloomberg Billionaires Index. Ellison owns stakes in Salesforce.com, NetSuite, Quark Biotechnology Inc. and Astex Pharmaceuticals. In June 2012, Ellison agreed
Larry_Ellison
Compact astronomical body
could allow other kinds of massive objects. Quark stars would be made up of quark matter and supported by quark degeneracy pressure, a form of degeneracy
Black_hole
Elementary particle or quantum of light
structure of the photon appears to have as components a charge-neutral flux of quarks and gluons, quasi-free according to asymptotic freedom in QCD. That flux
Photon
Variation of deep inelastic scattering
strange quarks of the nucleon's quark sea. In DIS the struck quark is not identified and the information is an indistinguishable sum over all the quark flavors
Semi-inclusive deep inelastic scattering
Semi-inclusive_deep_inelastic_scattering
Breakdown of conformal symmetry at the quantum level
the quark and gluon energies believed to contribute to about 29% and 34% of the proton mass, respectively. Hence QCD, via the trace anomaly, quark and
Conformal_anomaly
American theoretical physicist (1941–2025)
via top quark condensates, leading to the first composite Higgs models. His work on the chiral symmetry breaking dynamics of heavy-light quark bound states
William_A._Bardeen
CURRENT QUARK
CURRENT QUARK
Boy/Male
American, British, English, French, Latin
Firm; Enduring
Surname or Lastname
English
English : variant of Sargent.
Girl/Female
Indian, Punjabi, Sikh
Correct
Boy/Male
Muslim
Appropriate, Correct
Boy/Male
German, Hindu, Indian, Thai
Correct
Girl/Female
Hindu, Indian, Kannada
Correct
Boy/Male
Tamil
Russian currency
Surname or Lastname
English
English : variant spelling of Parent.
Boy/Male
Hindu
Correct
Boy/Male
Tamil
Correct message
Boy/Male
Tamil
Correct
Male
Arthurian
, Arthur's second-best sword.
Boy/Male
Tamil
Correct message
Boy/Male
Irish
Holly.
Boy/Male
Irish
Spear-bearer.
Girl/Female
Australian, German, Hindu, Indian
Correct
Boy/Male
Australian, Celtic, Gaelic, Irish
Hero
Surname or Lastname
English and French
English and French : variant of Durant.
Boy/Male
Christian & English(British/American/Australian)
Torrent
Boy/Male
Tamil
Correct
CURRENT QUARK
CURRENT QUARK
Boy/Male
Hindu, Indian, Traditional
Ruler of Hundreds
Boy/Male
Arabic, Australian
Most Generous; Most Bountiful
Girl/Female
English French
Rejoicing.
Boy/Male
Arabic, Indian, Muslim
Angle
Girl/Female
Latin
Young.
Boy/Male
Hindu, Indian
The Raksasa King of Lanka
Boy/Male
Hindu, Indian
A Buddha
Male
Scottish
Scottish Gaelic form of Hebrew David, DÀIBHIDH means "beloved."
Male
Polish
Polish form of Roman Latin Valerius, WALERY means "to be healthy, to be strong."Â
Girl/Female
Indian
A dot on the forehead. the one which indian women who put down the same in between two eyebrows, Drop, Point
CURRENT QUARK
CURRENT QUARK
CURRENT QUARK
CURRENT QUARK
CURRENT QUARK
a.
General course; ordinary procedure; progressive and connected movement; as, the current of time, of events, of opinion, etc.
adv.
In a current manner; generally; commonly; as, it is currently believed.
a.
Running or extending out; as, an excurrent midrib, one which projects beyond the apex of a leaf; an excurrent steam or trunk, one which continues to the top.
a.
Characterized by a current which flows outward; as, an excurrent orifice or tube.
n.
State of being current; currency; popularity.
n.
The quality of being current; currency; circulation; general reception.
v. t.
To cause to curvet.
a.
Not current. Specifically: Not passing in common payment; not receivable at par or full value; as, uncurrent notes.
n.
Currency; circulating coin; notes, bills, etc., current for coin.
n.
Fig.: A violent or rapid flow; a strong current; a flood; as, a torrent of vices; a torrent of eloquence.
n.
The acid fruit or berry of the Ribes rubrum or common red currant, or of its variety, the white currant.
a.
A flowing or passing; onward motion. Hence: A body of fluid moving continuously in a certain direction; a stream; esp., the swiftest part of it; as, a current of water or of air; that which resembles a stream in motion; as, a current of electricity.
n.
Current value; general estimation; the rate at which anything is generally valued.
a.
Characterized by a current which flows inward; as, the incurrent orifice of lamellibranch Mollusca.
a.
Running back toward its origin; as, a recurrent nerve or artery.
a.
Now passing, as time; as, the current month.
a.
Returning from time to time; recurring; as, recurrent pains.
n.
The state or quality of being current; general acceptance or reception; a passing from person to person, or from hand to hand; circulation; as, a report has had a long or general currency; the currency of bank notes.
a.
Passing from person to person, or from hand to hand; circulating through the community; generally received; common; as, a current coin; a current report; current history.