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Meson with total spin 1 and odd parity
In high energy physics, a vector meson is a meson with total spin 1 and odd parity (usually noted as JP = 1−). Vector mesons have been seen in experiments
Vector_meson
Subatomic particle; made of equal numbers of quarks and antiquarks
In particle physics, a meson (/ˈmiːzɒn, ˈmɛzɒn/) is a type of hadronic subatomic particle composed of an equal number of quarks and antiquarks, usually
Meson
In physics, vector meson dominance (VMD) was a model developed by J. J. Sakurai in the 1960s before the introduction of quantum chromodynamics to describe
Vector_meson_dominance
and vector mesons. See list of particles for a more detailed list of particles found in particle physics. This article contains a list of mesons, unstable
List_of_mesons
Boson with spin 1
composite particles are vector bosons, for instance any vector meson (quark and antiquark). During the 1970s and 1980s, intermediate vector bosons (the W and
Vector_boson
Short-lived hadronic particle that is an isospin triplet
meson has spin j = 1 (a vector meson) and a much higher value of the mass. They[who?] attribute this mass difference between the pions and rho mesons
Rho_meson
Subatomic particle; lightest meson
decay into gamma rays. The exchange of virtual pions, along with vector, rho and omega mesons, provides an explanation for the residual strong force between
Pion
Subatomic particle
meson (ω) is a flavourless meson formed from a superposition of an up quark–antiquark and a down quark–antiquark pair. It is part of the vector meson
Omega_meson
Subatomic particle
particle physics, the phi meson or ϕ meson is a vector meson formed of a strange quark and a strange antiquark. It was the ϕ meson's unexpected propensity
Phi_meson
Romanian physicist (1897–1955)
the vector meson theory of nuclear forces and the relativistic quantum field equations that bear his name (Proca's equations) for the massive, vector spin-1
Alexandru_Proca
Classification scheme for hadrons
prime meson was originally classified by itself as a singlet: η′ Under the quark model later developed, it is better viewed as part of a meson nonet,
Eightfold_way_(physics)
Broad concept generalizing scalars in mathematics and physics
properties Vector meson, a meson with total spin 1 and odd parity Vector quantization, a quantization technique used in signal processing Vector soliton
Vector (mathematics and physics)
Vector_(mathematics_and_physics)
Meson with total spin 0 and odd parity
250–300 MeV/c2. List of mesons Vector meson Pseudovector meson Pseudoscalar boson Compare the definition of the pseudoscalar meson to the scalar meson. Because the
Pseudoscalar_meson
pseudovector meson or axial vector meson is a meson with total spin 1 and even parity (+) (usually denoted JP = 1+). Compare to a vector meson, which has
Pseudovector_meson
Elementary particle or quantum of light
of protons and neutrons are substantially different. A theory called vector meson dominance (VMD) was developed to explain this effect. According to VMD
Photon
Last letter of the Greek alphabet
of omega meson-first neutral vector meson: one researcher's account - Discovery story". Advanced Experimental Physics. 5: 79–105. Omega Meson Observed
Omega
Subatomic particle made of a charm quark and antiquark
(J/psi) meson /ˈdʒeɪ ˈsaɪ ˈmiːzɒn/ is a subatomic particle, a flavor-neutral meson consisting of a charm quark and a charm antiquark. Mesons formed by
J/psi_meson
Pakistani theoretical physicist (1926–1996)
Theory he proposed along with Jogesh Pati in 1974, magnetic photon, vector meson, work on supersymmetry and most importantly, electroweak theory, for
Abdus_Salam
Meson particles which do not fit into the quark model
physics, exotic mesons are mesons that have quantum numbers not possible in the quark model; some proposals for non-standard quark model mesons could be: glueballs
Exotic_meson
Classification scheme of hadrons
l'étrangeté et une formule de masse pour les mésons vectoriels" [Strangeness properties and a mass formula for vector meson]. Nuclear Physics. 63 (2): 349–352.
Quark_model
Phenomenon in particle physics
vector mesons, 1 − {\displaystyle 1^{-}} , such as rho meson, and the 0 + {\displaystyle 0^{+}} scalars mesons and 1 + {\displaystyle 1^{+}} vector mesons
Chiral_symmetry_breaking
Mechanism that explains the generation of mass for gauge bosons
field which generate these rotations become massive vector mesons. There are two massive W mesons in the Schwinger model, with a mass set by the mass
Higgs_mechanism
Type of quark
found in composite subatomic particles called hadrons such as the J/psi meson and the charmed baryons created in particle accelerator collisions. Several
Charm_quark
Quantum number related to the weak interaction
current led to the prediction of rho-photon mixing and the concept of vector meson dominance, ideas which led to successful theoretical pictures of GeV-scale
Isospin
Branch of particle physics concerning interactions between two photons
a vector meson. The probing photon couples to a constituent of this meson. Double resolved: Both target and probe photon have formed a vector meson. This
Two-photon_physics
Type of topological solutions in non-linear sigma models
the quartic term is interpreted as the vector-pion coupling ρ–π–π between the rho meson (the nuclear vector meson) and the pion; the skyrmion relates the
Skyrmion
Subatomic particle
μ− and antimuons by μ+ . Formerly, muons were called mu mesons, but are not classified as mesons by modern particle physicists (see ), and that name is
Muon
British physicist (1902–1984)
expressions for the scalar meson field (spin zero pion or pseudoscalar meson), the vector meson field (spin one rho meson), and the electromagnetic field
Paul_Dirac
Unified description of electromagnetism and the weak interaction
be a 'chiral theory'. Glashow, S. (1959). "The renormalizability of vector meson interactions." Nucl. Phys. 10, 107. Salam, A.; Ward, J. C. (1959). "Weak
Electroweak_interaction
Force that acts between the protons and neutrons of atoms
mesons, such as the virtual pions, as well as two types of virtual mesons with spin (vector mesons), the rho mesons and the omega mesons. The vector mesons
Nuclear_force
Hypothetical particle with one magnetic pole
include (but are not limited to) spin-0 monopoles or spin-1 massive vector mesons. The term "magnetic monopole" only refers to the nature of the particle
Magnetic_monopole
Particle detector at Cornell University
interact to produce either a vector meson or hadron-antihadron pairs. CLEO published measurements of both the vector meson process and the hadron-antihadron
CLEO_(particle_detector)
List compiling of particle accelerators used for particle physics experiments
1965–1975 Circular, 22 m 550 MeV 550 MeV ρ0, K+K−,φ3C, μ+μ−, M2N and DM1 Vector meson studies; then ACO was used as synchrotron light source until 1988 INSPIRE
List of accelerators in particle physics
List_of_accelerators_in_particle_physics
Nobel prize winning physicist
massive light rays showing that light rays and massive light rays (vector mesons) can transform into each other at high energies and providing a critical
Samuel_C._C._Ting
Theory of forces and subatomic particles
Englert, F.; Brout, R. (1964). "Broken Symmetry and the Mass of Gauge Vector Mesons". Physical Review Letters. 13 (9): 321–323. Bibcode:1964PhRvL..13..321E
Standard_Model
Hypothetical subatomic particle
Electrodynamics (QED)—essentially an isoscalar QED meson. Some theorists suggest that an X17 vector boson with specific chiral couplings could simultaneously
X17_particle
Origin and evolution of the symbols used to write equations and formulas
Proca developed the Proca equation (Euler–Lagrange equation) for the vector meson theory of nuclear forces and the relativistic quantum field equations
History of mathematical notation
History_of_mathematical_notation
Proca formulates the relativistic quantum field equations for a massive vector meson of spin-1 as a basis for nuclear forces 1936 Eugene Wigner develops the
Timeline of atomic and subatomic physics
Timeline_of_atomic_and_subatomic_physics
Solvable 1+1 dimensional quantum field theory
Thirring–Wess model or Vector Meson model is an exactly solvable quantum field theory, describing the interaction of a Dirac field with a vector field in dimension
Thirring–Wess_model
Elementary particle involved with rest mass
François; Brout, Robert (1964). "Broken Symmetry and the Mass of Gauge Vector Mesons". Physical Review Letters. 13 (9): 321–323. Bibcode:1964PhRvL..13..321E
Higgs_boson
Study of the analytic properties of scattering amplitudes
14.414. Jenkovszky; Martynov; Paccanoni (1996). "Regge Pole Model for Vector Meson Photoproduction at HERA". arXiv:hep-ph/9608384. Kaidalov (2001). "Regge
Regge_theory
Pakistani theoretical physicist (1930–2013)
proton-proton scattering in pseudoscalar mesons. In 1965, Riazuddin carried out the pioneering work on vector currents, in which he showed the discrepancy
Riazuddin_(physicist)
Meson with total spin 0 and even parity
the 1980s. Scalar mesons are most often observed in proton-antiproton annihilation, radiative decays of vector mesons, and meson-meson scattering. The light
Scalar_meson
American theoretical physicist
Technology Stanford University University of California, Berkeley Thesis The vector meson in elementary particle decays (1958) Doctoral advisor Julian Schwinger
Sheldon_Glashow
Jpn. 17 (48). Glashow, Sheldon L. (1959). "The renormalizability of vector meson interactions". Nuclear Physics. 10. Elsevier BV: 107–117. Bibcode:1959NucPh
History of quantum field theory
History_of_quantum_field_theory
Computer simulation event generator
can simulate multiple interactions among a single ion pair, such as vector meson photoproduction accompanied by mutual Coulomb excitation. These reactions
STARlight
Function characterizing the interactions between photons and quarks
quark contribution and a residual hadronic component accounted for by vector meson dominance. The numerical values were calculated using Λ = 0.338 GeV and
Photon_structure_function
Hideki Yukawa his relativistic quantum field equations for a massive vector meson of spin-1 as a basis for nuclear forces. 1936 – Garrett Birkhoff and
Timeline_of_quantum_mechanics
Hadron (subatomic particle) that is composed of three quarks
participate in the residual strong force, which is mediated by particles known as mesons. The most familiar baryons are protons and neutrons. These particles make
Baryon
Lowest energy state in quantum chromodynamics
octet of pseudoscalar mesons is very much lighter than the next lightest states; i.e., the octet of vector mesons (such as the rho meson). The most convincing
QCD_vacuum
Particle accelerator at Brookhaven National Laboratory in Upton, New York, USA
48L. doi:10.1063/1.1629004. L. N. Lipatov (1976). "Reggeization of the vector meson and the vacuum singularity in nonabelian gauge theories". Soviet Journal
Relativistic Heavy Ion Collider
Relativistic_Heavy_Ion_Collider
American theoretical physicist (1941–2025)
Lagrangians, describing the anomalous physics of pseudoscalars and vector mesons, and topological effects in Yang-Mills gauge theories, such as the instanton
William_A._Bardeen
Japanese-American physicist (1933–1982)
(Yang-Mills) gauge invariance. In that paper, he also pioneered the vector meson dominance model of hadron dynamics. Sakurai died from an aneurysm in
J._J._Sakurai
Topics referred to by the same term
Look up VMD in Wiktionary, the free dictionary. VMD may refer to: Vector meson dominance, in physics a model describing the hadron photoproduction process
VMD
First case of a Lie group that is both compact and non-abelian
Physicists use it for the description of massive spin-1 particles, such as vector mesons, but its importance for spin theory is much higher because it anchors
Representation theory of SU(2)
Representation_theory_of_SU(2)
Particle accelerator
produce all positive and negative mesons known to exist in cosmic rays. Its discoveries include the first vector meson. The name chosen for the synchrotron
Cosmotron
Topics referred to by the same term
refer to: B0, a net magnetisation vector in medical imaging La Compagnie, a French airline (IATA code B0) Neutral B meson (B0) Pininfarina B0, an electric
B0
Phenomenon in high-energy physics
transparency in the production of vector mesons, such as ρ {\displaystyle \rho } and ϕ {\displaystyle \phi } mesons. Other experiments that observed evidence
Color_transparency
Class of subatomic particle
Higgs boson) contributes to the phenomenon of mass. Other bosons, such as mesons, are composite particles made up of smaller constituents. Outside the realm
Boson
Book by Leon M. Lederman
Englert, F.; Brout, R. (1964). "Broken Symmetry and the Mass of Gauge Vector Mesons". Physical Review Letters. 13 (9): 321. Bibcode:1964PhRvL..13..321E
The_God_Particle_(book)
Phenomenon in nuclear and particle physics
Gribov–Glauber shadowing mechanism is based on two principal ingredients. (A) Vector meson dominance (VMD), i.e. the fluctuations of a photon into hadronic states
Nuclear_shadowing
Field theory of a point particle confined to move on a fixed manifold
sigma model describes the interactions of pions. Unfortunately, the "sigma meson" is not described by the sigma-model, but only a component of it. The sigma
Sigma_model
Effective field theory of quantum chromodynamics
describe interactions of kaons and eta mesons, while similar theories can be used to describe the vector mesons. Since chiral perturbation theory assumes
Chiral_perturbation_theory
American theoretical cosmologist and astrophysicist
University in 1965. Her dissertation was A Calculation of the Baryon – Vector Meson Mixing Parameters. She became a faculty member at the University of Michigan
Jean_Krisch
Nuclear physicist
Interference in Vector Meson Photoproduction. Invited Paper at International Conference on Experimental Meson Spectroscopy. - Experimental Meson Spectroscopy
Erwin_Gabathuler
Hypothetical particle composed of gluons
difficult to identify in particle accelerators, because they mix with ordinary meson states. In pure gauge theory, glueballs are the only states of the spectrum
Glueball
Pakistani emeritus professor of theoretical physics (born 1930)
.125F. doi:10.1016/0550-3213(74)90142-4. Radioactive D* decay using vector meson dominance by Riazuddin and Fayyazuddin Current Algebra and Its Consequences
Fayyazuddin
Class of elementary particles
classified as a meson at the time. After investigation, it was realized that the muon did not have the expected properties of a meson, but rather behaved
Lepton
British theoretical physicist (1929–2024)
Englert, F.; Brout, R. (1964). "Broken Symmetry and the Mass of Gauge Vector Mesons". Physical Review Letters. 13 (9): 321. Bibcode:1964PhRvL..13..321E
Peter_Higgs
Belgian theoretical physicist and Nobel Prize laureate
Englert, F.; Brout, R. (1964). "Broken Symmetry and the Mass of Gauge Vector Mesons". Phys. Rev. Lett. 13 (9): 321–323. Bibcode:1964PhRvL..13..321E. doi:10
François_Englert
Model of the strong nuclear force
Maris, Pieter; Tandy, Peter C. (1999-10-21). "Bethe-Salpeter study of vector meson masses and decay constants". Physical Review C. 60 (5) 055214. arXiv:nucl-th/9905056
Maris–Tandy_model
Indian scientist and academic (1939–2025)
1209/0295-5075/114/67005. S2CID 119216386. Jackiw, R.; Rajaraman, R. (1985). "Vector-Meson Mass Generation by Chiral Anomalies". Physical Review Letters. 54 (12):
Ramamurti_Rajaraman
Elementary particle, fundamental constituent of matter
within hadrons, which include baryons (such as protons and neutrons) and mesons, or in quark–gluon plasmas. For this reason, much of what is known about
Quark
Elementary particle that mediates the strong force
acting as the exchange particle for the interaction. Gluons are massless vector bosons, thereby having a spin of 1. Through the strong interaction, gluons
Gluon
Collision of a particle and its antiparticle
produces as many as 9 mesons have been observed, while production of 13 mesons is theoretically possible. The generated mesons leave the site of the annihilation
Annihilation
American physicist
Zumino: Kroll, Norman M.; Lee, T. D.; Zumino, Bruno (1967). "Neutral vector mesons and the hadronic electromagnetic current". Physical Review. 157 (5):
Norman_Myles_Kroll
American theoretical physicist
the chiral anomaly in Lagrangians, including pseudoscalars, spin-1 vector mesons, and the W ± {\displaystyle W^{\pm }} and Z 0 {\displaystyle Z^{0}}
Christopher_T._Hill
Hypothetical particle
Bouchiat, C.; Iliopoulos, J. (1986). "On the possible existence of a light vector meson coupled to the hypercharge current". Physics Letters B. 169 (4): 447–449
Hyperphoton
F. Englert; R. Brout (1964). "Broken Symmetry and the Mass of Gauge Vector Mesons". Physical Review Letters. 13 (9): 321–323. Bibcode:1964PhRvL..13..321E
List of Pakistani inventions and discoveries
List_of_Pakistani_inventions_and_discoveries
Theory of the strong nuclear interactions
for hadrons far above the masses of the quarks, and making pseudoscalar mesons exceptionally light. Yoichiro Nambu was awarded the 2008 Nobel Prize in
Quantum_chromodynamics
Technique in computational quantum field theory
S2CID 17967473. B. L. G. Bakker, H.-M.Choi and C.-R. Ji (2002). "The vector meson form-factor analysis in light front dynamics". Physical Review D. 65
Light_front_quantization
English physicist (born 1943)
dark matter. Frampton's first publication was Chirality Commutator and Vector Mesons, in 1967. He has published over 500 articles on particle theory and
Paul_Frampton
Sakurai (1951), particle physicist and author, noted for his work on vector mesons; namesake of the Sakurai Prize awarded annually by the American Physical
List of Bronx High School of Science alumni
List_of_Bronx_High_School_of_Science_alumni
Scientific research articles
Englert, F.; Brout, R. (1964). "Broken Symmetry and the Mass of Gauge Vector Mesons". Physical Review Letters. 13 (9): 321–23. Bibcode:1964PhRvL..13..321E
1964 PRL symmetry breaking papers
1964_PRL_symmetry_breaking_papers
Bosons that mediate the weak interaction
the W and Z bosons are vector bosons that are together known as the weak bosons or more generally as the intermediate vector bosons. These elementary
W_and_Z_bosons
Influence that can change motion of an object
magnitude and direction of a force are both important, force is a vector quantity (force vector). The SI unit of force is the newton (N), and force is often
Force
Boson with spin equal to zero
Model, but there are several pseudoscalar mesons, like the pion. Scalar field theory Klein–Gordon equation Vector boson Higgs boson "The scalar boson". ATLAS
Scalar_boson
Mass formula for hadrons
considering the representations of the Lie algebra su(3). In particular, the meson octet corresponds to the root system of the adjoint representation. However
Gell-Mann–Okubo_mass_formula
Technique used to determine mass of hadrons
S2CID 1553211. Z. Abidin; C. E. Carlson (2008). "Gravitational Form Factors of Vector Mesons in an AdS/QCD Model". Physical Review D. 77 (9) 095007. arXiv:0801.3839
Light_front_holography
Englert, F.; Brout, R. (1964). "Broken Symmetry and the Mass of Gauge Vector Mesons". Physical Review Letters. 13 (9): 321–323. Bibcode:1964PhRvL..13..321E
1964_in_science
Conserved physical quantity; rotational analogue of linear momentum
the cross product of the particle's position vector r (relative to some origin) and its momentum vector; the latter is p = mv in Newtonian mechanics.
Angular_momentum
Subatomic particle having no substructure
confined in an envelope of gluons that confer vastly greater mass to the mesons and baryons where quarks occur, so values for quark masses cannot be measured
Elementary_particle
List of experiments at CERN, Switzerland
1 Apr 1980 INSPIRE Grey Book — WA57 D. Newton Studies of high mass vector meson photoproduction in the energy range 20 to 70 GeV 6 Apr 1978 15 Feb 1979
List of Super Proton Synchrotron experiments
List_of_Super_Proton_Synchrotron_experiments
Phenomenon in high-energy physics
M.; Strikman, M. (1997). "Coherent photo- and lepto-production of vector mesons from deuterium". Nuclear Physics A. 622 (4): 511. arXiv:hep-ph/9703399
Glauber multiple scattering theory
Glauber_multiple_scattering_theory
Experimental particle physicist
Strangeness-one Vector Mesons". Phys. Lett. 149B: 258. doi:10.1016/0370-2693(84)91595-8. OSTI 1447163. Abe, F.; et al. (1 December 1996). "Ratios of Bottom Meson Branching
Pekka_K._Sinervo
Swiss theoretical physicist (1922–2011)
l'étrangeté et une formule de masse pour les mésons vectoriels" [Strangeness properties and a mass formula for vector meson]. Nuclear Physics. 63 (2): 349–352.
André_Petermann
Component of an atomic nucleus
orbital angular momentum (in the spectroscopic notation) of the nucleon–meson pair, produced when it decays, and I and J are the particle's isospin and
Nucleon
Class of exotic heavy mesons
heavy mesons whose properties do not appear to fit the standard picture of charmonium and bottomonium states. They are therefore types of exotic mesons. The
XYZ_particle
Vassilis Papazachos Vector (mathematics and physics) Vector boson Vector decomposition Vector meson Vector meson dominance Vector potential Vegard's law
Index_of_physics_articles_(V)
Ongoing American particle physics experiment
used to study the spectrum of conventional mesons, including the poorly understood excited vector mesons and strangeonium. The search for new mesonic
GlueX
VECTOR MESON
VECTOR MESON
Male
English
 Anglicized form of Scottish Gaelic Eachann, HECTOR means "brown horse." Compare with another form of Hector.
Surname or Lastname
Scottish
Scottish : Anglicized form of the Gaelic personal name Eachann (earlier Eachdonn, already confused with Norse Haakon), composed of the elements each ‘horse’ + donn ‘brown’.English : found in Yorkshire and Scotland, where it may derive directly from the medieval personal name. According to medieval legend, Britain derived its name from being founded by Brutus, a Trojan exile, and Hector was occasionally chosen as a personal name, as it was the name of the Trojan king’s eldest son. The classical Greek name, HektÅr, is probably an agent derivative of Greek ekhein ‘to hold back’, ‘hold in check’, hence ‘protector of the city’.German, French, and Dutch : from the personal name (see 2 above). In medieval Germany, this was a fairly popular personal name among the nobility, derived from classical literature. It is a comparatively rare surname in France.
Male
Portuguese
Galician-Portuguese form of Roman Latin Victor, VITOR means "conqueror."
Male
Russian
(Cyrillic Виктор): Slavic form of Roman Latin Victor, VIKTOR means "conqueror." In use by the Bulgarians, Russians and Serbians. Compare with another form of Viktor.
Male
English
Short form of English Sylvester, VESTER means "from the forest."
Boy/Male
Latin American Spanish
Conqueror.
Boy/Male
American, British, Christian, Danish, Dutch, English, Finnish, French, German, Greek, Hindu, Indian, Irish, Jamaican, Latin, Romanian, Slovenia, Spanish, Swedish, Swiss, Tamil, Ukrainian
Victorious; Conqueror; Winner; Champion; One who Conquers; Victory
Male
Portuguese
Portuguese form of Latin Hector, HEITOR means "defend; hold fast."
Male
English
Roman Latin name VICTOR means "conqueror."Â
Boy/Male
Spanish American Shakespearean Greek Latin
Tenacious.
Male
Arthurian
, sir Hector de Maris; (defender).
Boy/Male
Australian, Basque, Czech, Czechoslovakian, Danish, Finnish, French, German, Hungarian, Latin, Polish, Slovenia, Swedish, Swiss, Ukrainian
The Conqueror; Victory; Victorious; Conquer
Male
Greek
(á¼ÎºÏ„ωÏ) Variant spelling of Greek Hektor, EKTOR means "defend; hold fast."
Boy/Male
American, Australian, British, Chinese, Christian, Danish, Dutch, English, French, German, Greek, Italian, Latin, Portuguese, Shakespearean, Spanish
Steadfast; Anchor; Holds Fast; Star; Coined from Esther Vanhomrigh; Tenacious; Defend; Hold Fast; Coined from Esther Vanho
Boy/Male
Christian & English(British/American/Australian)
Steadfast
Boy/Male
Christian & English(British/American/Australian)
Conqueror
Boy/Male
Arthurian Legend
Father of Arthur.
Male
Scandinavian
 Scandinavian form of Roman Latin Victor, VIKTOR means "conqueror." Compare with another form of Viktor.
Boy/Male
English American
Doctor; teacher.
Boy/Male
Spanish
Victor.
VECTOR MESON
VECTOR MESON
Girl/Female
Hindu, Indian
Completed
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu
Companion
Boy/Male
German, Gujarati, Hindu, Indian, Italian, Kannada, Malayalam, Punjabi, Sanskrit, Sikh, Tamil, Telugu
Meritorious; Great Achiever; Lord Vishnu; Joy; Bliss
Girl/Female
Tamil
Anumitha | அநà¯à®‚மீதா
Love and kindness
Boy/Male
Hindu, Indian
Pure
Boy/Male
Gaelic
Teal duck.
Boy/Male
Indian
One who is brave and corageous
Surname or Lastname
English
English : patronymic from a medieval form of the personal name Ralph.
Girl/Female
Hindu
Rich or from hadria, Dissolved
Girl/Female
Latin
Wife of Mars.
VECTOR MESON
VECTOR MESON
VECTOR MESON
VECTOR MESON
VECTOR MESON
n.
A mathematical instrument, consisting of two rulers connected at one end by a joint, each arm marked with several scales, as of equal parts, chords, sines, tangents, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motion. The sector is used for plotting, etc., to any scale.
n.
The ratio of one vector to another in length, no regard being had to the direction of the two vectors; -- so called because considered as a stretching factor in changing one vector into another. See Versor.
a.
Pertaining to a rector or a rectory; rectoral.
n.
Same as Radius vector.
n.
The chief elective officer of some universities, as in France and Scotland; sometimes, the head of a college; as, the Rector of Exeter College, or of Lincoln College, at Oxford.
n.
A pregnant woman; a mother; as, A has a son B by one venter, and a daughter C by another venter; children by different venters.
n.
The province of a rector; a parish church, parsonage, or spiritual living, with all its rights, tithes, and glebes.
n.
Any mechanical contrivance intended to remedy a difficulty or serve some purpose in an exigency; as, the doctor of a calico-printing machine, which is a knife to remove superfluous coloring matter; the doctor, or auxiliary engine, called also donkey engine.
n.
A term made up of the two parts / + /1 /-1, where / and /1 are vectors.
n.
A directed quantity, as a straight line, a force, or a velocity. Vectors are said to be equal when their directions are the same their magnitudes equal. Cf. Scalar.
n.
A woman who wins a victory; a female victor.
v. t.
To tamper with and arrange for one's own purposes; to falsify; to adulterate; as, to doctor election returns; to doctor whisky.
n.
The turning factor of a quaternion.
n.
An African weaver bird (Textor alector).
v. t.
To confer a doctorate upon; to make a doctor.
v. t.
To treat as a physician does; to apply remedies to; to repair; as, to doctor a sick man or a broken cart.
n.
A belly, or protuberant part; a broad surface; as, the venter of a muscle; the venter, or anterior surface, of the scapula.
a.
Of or pertaining to victory, or a victor' being a victor; bringing or causing a victory; conquering; winning; triumphant; as, a victorious general; victorious troops; a victorious day.
n.
An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector.
n.
A contrivance for removing superfluous ink or coloring matter from a roller. See Doctor, 4.