[DOC] [TLE] Quark - Wikipedia [PAR] A quark is an elementary particle and a fundamental constituent of matter. Quarks 
combine to ... There are six types of quarks, known as flavors: up, down, strange, 
charm, top, .... At the time of the quark theory's inception, the "particle zoo" 
included, .... Quarks have fractional electric charge values  either 13 or 23 times 
the... [DOC] [TLE] Some quarks are classified u, d & s up, this & strange # Quiz ... [PAR] Jul 8, 2016 ... video icon  Until 1974 the theory of quarks posited 3 types strange & these 2 
directions # Quiz # Question. 0:29. FirstAmVideo. No views... [DOC] [TLE] Jeopary Questions page 1045 - LIBRARIES - TriviaBistro.com [PAR] LIBRARIES: Only 2 presidential libraries are not administered by the National .... 
Until 1974 the theory of quarks posited 3 types: strange & these 2 directions. [DOC] [TLE] Wacky Physics: Why Do Particles Have Flavors? - Live Science [PAR] Jan 26, 2012 ... New intensity frontier experiments hope to answer these questions. ... Why do we 
have six types of quarks and six types of leptons, and why do they ... charm and 
top) have charge 2/3, while the other three (down, strange and ... others, in theory
, most flavors of quark can transition into most other flavors. [DOC] [TLE] Quarks - Scribd [PAR] There are six types of quarks. charm. the most stable of which are Protons and ... 
by their quark content and the properties these constituent quarks confer. ... than 
three generations exist. the second strange and charm quarks. mass. ... Charm 
quarks were produced almost simultaneously by two teams in November 1974. [DOC] [TLE] The naming of quarks - The Particle Adventure [PAR] Gell-Mann chose the name "quarks," pronounced "kworks," for these three 
particles, ... work, the quarks had to be assigned fractional electrical charges of 2/
3 and -1/3. ... "Flavors" just means different kinds. ... The third quark is called 
strange. ... It was discovered in 1974 almost simultaneously at both the Stanford 
Linear... [DOC] [TLE] What are quarks, and why do they have colors and flavors? - io9 [PAR] Apr 30, 2012 ... Quarks make up all matter, but have never been seen by themselves. ... match up 
as well to any other theory, that scientists are satisfied that they exist. ... What are 
these strange properties and why do they have to be named in ... But if three 
quarks have positive two-thirds charges and three quarks have... [DOC] [TLE] Nucleon Resonances and Quark Structure [PAR] Physics Dept and Nuclear Theory Center, Indiana University, ... 2. Most of the 
particles discovered before the 1950s were either completely stable (so far as ... 
These states were extracted from scattering experiments at what were then the 
..... The idea was that there existed three types of quarks, now called flavors (up, 
down. [DOC] [TLE] Quarks - Quantum Diaries [PAR] Tetraquarks consist of two quarks and two antiquarks (rather than the usual ... 
mould by consisting of four quarks of totally different flavours: bottom, strange, up 
and down. [Regular readers and those familiar with the theory of QCD may wish 
to skip ... These groups of quarks and anti-quarks are what we call Hadrons (
hence... [DOC] [TLE] The Standard Model of Particle Physics - High Energy Physics [PAR] Nonrelativistic quantum theory is another Standard Model. that has correlated the 
.... three types of quarks: u, d, and the strange quark s. However the quark... [DOC] [TLE] Kantian Causality and Quantum Quarks: The ... - Philsci-Archive [PAR] The Copenhagen interpretation also takes quantum theory as evidence for ... 
This article examines whether QM contradicts these Kantian principles, ..... nal 
electrical charge of either 1/3 or 2/3 and is classified as either up, down, or. 
strange. The six resulting types of quark correspond to six types of lepton; 
together. [DOC] [TLE] Past Physics Colloquia | Department of Physics - Brown University [PAR] Sand can flow until one jammed configuration (among the

Question: Until 1974 the theory of quarks posited 3 types: strange & these 2 directions
Answer: Up & down