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Topic: Eightfold way (physics)

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Quark

Noble Eightfold Path

SU(3)

CERN

Unitary matrix

Special unitary group

	Encyclopedia :: encyclopedia : Eightfold way (physics) (Site not responding. Last check: 2007-10-08)
		In physics, the Eightfold Way is a term coined by American physicist Murray Gell-Mann for a theory organizing subatomic baryons and mesons into octets (alluding to the Noble Eightfold Path of Buddhism).
		In addition to organizing the mesons and spin-1/2 baryons into octets, the principles of the Eightfold Way also applied to the spin-3/2 baryons, forming a decuplet.
		The Eightfold Way may be understood in modern terms as a consequence of flavor symmetries between various kinds of quarks.
	www.hallencyclopedia.com /topic/Eightfold_way_(physics).html (270 words)

	Eightfold Way
		Proposed independently in 1961 by both Murray Gell-Mann and Yuval Ne'eman, the Eightfold Way groups the baryons and mesons into geometrical patterns of the same baryon number, spin and parity.
		However, the discovery of the -minus particle was the main factor in proving the validity of the Eightfold Way.
		In this model it remains to be seen whether the Eightfold Way is an accurate representation of the mesons since this quark model requires there to be nine mesons--three of which have Q=S=0.
	www.phy.duke.edu /~kolena/modern/sembroski.html (819 words)

	Symmetry and Symmetry Breaking (Stanford Encyclopedia of Philosophy)
		The first explicit study of the invariance properties of equations in physics is connected with the introduction, in the first half of the nineteenth century, of the transformational approach to the problem of motion in the framework of analytical mechanics.
		Curie was led to reflect on the question of the relationship between physical properties and symmetry properties of a physical system by his studies on the thermal, electric and magnetic properties of crystals, these properties being directly related to the structure, and hence the symmetry, of the crystals studied.
		In contemporary physics, the best example of this role of symmetry is the classification of elementary particles by means of the irreducible representations of the fundamental physical symmetry groups, a result first obtained by Wigner in his famous paper of 1939 on the unitary representations of the inhomogeneous Lorentz group.
	plato.stanford.edu /entries/symmetry-breaking (9815 words)

	Physics - Option E - Historical physics HL
		E.7.7 : Murray Gell-Mann's 'eightfold way' was a model based on the SU3 group which was designed to model the particles which quarks composed.
		It was used to predict the existence of the Omiga minus particle, and the properties thereof before it was physically found.
		examples are the eightfold way, and the unification of the forces.
	homepage.mac.com /stray/ib/physics/Options/historical-hl.html (850 words)

	Nobel Prize in Physics 1969 - Presentation Speech
		Elementary particle physics which is now so vigorous was still in its infancy when Murray Gell-Mann in 1953 published the first of the papers which have been honoured with this years Nobel Prize in physics.
		Gell-Mann has also found that "The Eightfold Way" can be described very simply by assuming that all particles which interact strongly with each other are composed of only three kinds of particles which he called quarks and of the corresponding antiparticles.
		And interesting application of "The Eightfold Way" is the so-called current algebra which was founded by Gell-Mann.
	nobelprize.org /nobel_prizes/physics/laureates/1969/press.html (1227 words)

	The Buddha in Your Mirror (Site not responding. Last check: 2007-10-08)
		It was Nichiren who expressed the essence of the Lotus Sutra in a way that enables all people, regardless of their level of knowledge, to enter the gateway to enlightenment.
		Buddhism is a way of life that makes no distinction between the individual human being and the environment in which that person lives.
		In fundamental ways, Buddhist theory accepts the vast dimensions and space-time concepts of modern physics and is even congruent with the more abstruse realms of quantum theory.
	www.middlewaypress.com /mirror.html (5991 words)

	TIME.com: The Eightfold Way -- Feb. 28, 1964 -- Page 1
		Called affectionately the "eightfold way," from Buddha's list of eight virtues that lead to the cessation of pain, the theory is based on eight quantum numbers or fundamental properties that can be used to describe particles.
		The reasoning that supports the eightfold way is advanced quantum mechanics and beyond the understanding of the mathematically unanointed, but one of the predictions of the "way" was clear enough: a particle must exist that has a negative electric charge and a mass— of 1,676 million electron volts.
		The unknown particle predicted by the eightfold way was named omega minus, and both CERN Laboratory in Geneva and Brookhaven National Laboratory on Long Island started elaborate campaigns to find it.
	www.time.com /time/magazine/article/0,9171,873833,00.html (729 words)

	NewIBH2 html
		The IB Physics curriculum emphasizes a complex understanding of experimentation, the analysis of data, and the use of reasoning and logic to evaluate evidence.
		The practical application of physics in other areas of science and technology and how physics affects the world are also emphasized.
		E.7.7 Describe Murray Gell-Mann's "eightfold way" and apply it to the prediction of the existence of the omega minus particle.
	www.fccps.k12.va.us /gm/science-page/Physics_Syllabus/IBH2.htm (3119 words)

	The Way of Eastern Mysticism / Tao of Physics
		This is the way of life of the sage who has reached a higher point of view, a perspective from which the relativity and polar relationship of all opposites are clearly perceived.
		"The way up and down is one and the same," said the Greek, and "God is day night, winter summer, war peace, satiety hunger." Like the Taoists, he saw any pair of opposites as a unity and was well aware of the relativity of all such concepts.
		Such a way of acting is called wu-wei in Taoist philosophy; a term which means literally "nonaction," and which Joseph Needham translates as "refraining from activity contrary to nature," justifying this interpretation with a quotation from the Chuang-tzu:
	www.taoism.net /sanctuary/books/taophysics/taoism.htm (1646 words)

	Murray Gell-Mann (Site not responding. Last check: 2007-10-08)
		American physicist, winner of the Nobel Prize for Physics for 1969 for his work pertaining to the classification of subatomic particles and their interactions.
		Called the Eightfold Way (after Buddha's Eightfold Path to Enlightenment and bliss), the scheme grouped mesons and baryons (e.g., protons and neutrons) into multiplets of 1, 8, 10, or 27 members on the basis of various properties.
		He published a number of works, notable among which are The Eightfold Way (1964), written in collaboration with Ne'eman; Broken Scale Variance and the Light Cone (1971), coauthored with K. Wilson; and The Quark and the Jaguar (1994).
	physics.nobel.brainparad.com /murray_gell_mann.html (406 words)

	Gell-Mann, Murray. The Columbia Encyclopedia, Sixth Edition. 2001-05
		In 1963, Gell-Mann and American physicist George Zweig independently postulated the existence of the quark, an even more fundamental elementary particle with a fractional electric charge; quarks are confined in protons, neutrons, and other particles by forces associated with the exchange of gluons.
		Gell-Mann’s interests have extended to the study of complexity, and he is the director of physics at the Santa Fe Institute, which he helped found in 1984.
		He has written The Eightfold Way in collaboration with Ne’eman (1964), Broken Scale Invariance and the Light Cone with Kenneth G. Wilson (1971), and The Quark and the Jaguar: Adventures in the Simple and Complex (1984).
	www.bartleby.com /65/ge/GellMannM.html (283 words)

	mass caused by a field
		Is it the case that, for mass being caused by a particle being repelled by a field (the bigger the force of repulsion, the greater the mass),
		Yes, because the way that mass is generated is purely dependent on the way that particles interact.
		You keep thinking to much in terms of the classical Newtonian physics, which does not apply in the cases you are trying to describe.
	www.physicsforums.com /showthread.php?p=297499 (857 words)

	Lectures on the Eight-fold Path
		Out of their great compassion for us, the Buddhas taught in such a way that those who heard their words or saw their actions, or heard their not-words or saw their not-actions, would be uprooted from their delusions and awaken to the fundamental nature.
		Doctor Freud was in many ways a brilliant man, and he made the first recorded attempts in the West to truly understand the motivation and illness of the human mind.
		Each time we find that we have spoken in these ways, we must diligently trace the words that we have spoken back to their source and find out what part of our illusory or ego self benefited from these blameworthy actions and speech.
	www.dragonflower.org /eightfold.html (11425 words)

	The Tribune...Science Tribune
		Indigenous knowledge systems must be sustained through active support to the societies that are keepers of this knowledge, their way of life, their languages, their social organisation and the environments in which they live.
		To sum up, Murray Gell Mann, the Nobel prize winner and originator of the eightfold way in physics believes that the greatest advance in human conception is a disbelief in the supernatural.
		A nuclear powered inter-planetary spacecraft launched by the USA on 15th October, 1997, is on way to a planet of our solar system for conducting research about it and shall reach the planet in July, 2004.
	www.tribuneindia.com /1999/99dec02/science.htm (5166 words)

	The Fate of Life in the Universe (Site not responding. Last check: 2007-10-08)
		In this way, the power consumption could always remain lower than the maximum rate of heat dissipation, while still allowing for an infinite number of thoughts.
		Then, in the early 1980s, researchers realized that certain physical processes, such as quantum effects or the random Brownian motion of a particle in a fluid, could serve as the basis for a lossless computer [see "The Fundamental Physical Limits of Computation," by Charles H. Bennett and Rolf Landauer; Scientific American, July 1985].
		The chair of the physics department at Case Western Reserve University in Cleveland, Krauss was among the first cosmologists to argue forcefully that the universe is dominated by a cosmological constant–a view now widely shared.
	www.physics.hku.hk /~tboyce/sf/topics/life/life.html (4450 words)

	NOVA \| The Elegant Universe \| Smashing Pictures \| PBS
		One of the most important observations in particle physics was the discovery in 1964 of the Omega-minus baryon at Brookhaven National Laboratory.
		Despite this observation, it was commonly believed that the laws of physics were subject to a symmetry known as CP, which states that if matter is exchanged with antimatter and space is inverted (think of a reflection in a mirror), then the laws of physics should not change.
		The standard model of particle physics predicts that early in the history of the universe, before the electroweak force split into the electromagnetic and weak forces, all fundamental matter particles (quarks and leptons) were exactly massless.
	www.pbs.org /wgbh/nova/elegant/smas-nf.html (3526 words)

	Particle Physics (Theory)
		The gravitational force is a long-range inverse-square force which is negligible in the realm of atomic, nuclear and particle physics but which becomes the dominant force of attraction between large electrically-neutral objects separated by large distances, such as planets, stars and galaxies.
		According to classical physics, the gravitational or electromagnetic forces are transmitted by the presence of a field produced by one object, to which a second object responds.
		Named the eightfold way by its originator (Murray Gell-Mann), this grouping also suggests the presence of an underlying substructure.
	physics.pdx.edu /~egertonr/ph311-12/particle.htm (1469 words)

	Strange Beauty: Murray Gell-Mann and the Revolution in 20th-Century Physics
		Gell-Mann's life is closely intertwined with the development of particle physics, and this book also provides a marvellous description of the recent history of this scientific endeavour written for physicists and non-physicists alike.
		The way [quantum chromodynamics] emerged from the pre-existing mathematics of group theory is one of the great triumphs of the belief that maths helps to describe the physical world.
		His discovery of the quark and the Eightfold Way were cornerstones for all that followed in particle physics, the effort to explain the very stuff of creation.
	www.santafe.edu /~johnson/strangebeauty.html (2514 words)

	Ne'eman (Site not responding. Last check: 2007-10-08)
		In 1964, for example, when the omega minus particle was discovered, confirming the "eightfold way," a theory I developed in 1961 - as did Murray Gell-Mann simultaneously - Feynman was asked to present the subject on a BBC television documentary called "Strangeness Minus Three," which he did very convincingly.
		To digress for a moment, I would like to discuss Feynman's second greatest contribution to physics: his analysis and identification of "partons." The "eightfold way" involved the classification of elementary particles of matter, about 100 in number, which sense the strong nuclear force.
		This finding, and the way Feynman explained it to the commission and TV viewers, added considerably to his fame outside the walls of academia.
	www.physics.umd.edu /robot/feynm/yuval.html (2979 words)

	By Subject - Physics - Electronic Texts & Documents (Site not responding. Last check: 2007-10-08)
		Presented here are citations of 20th century women who have made original and important contributions to physics before 1976.
		Eightfold way : the beauty of Klein's quartic curve /
		Proceedings of the Second International Conference Symmetry in Nonlinear Mathematical Physics memorial Prof.
	www.lib.washington.edu /subject/Physics/dr/eltxt.html (669 words)

	Encyclopædia Britannica Board of Editors
		The recipient of the Nobel Prize in Physics for 1969, Murray Gell-Mann is a giant in his field, his work having revolutionized the way scientists understand elementary particles.
		His "Eightfold Way"—an analogy with Buddha's Eightfold Path to Enlightenment and bliss—brought order to the chaos created by the discovery of some one hundred particles in the atom's nucleus.
		He is the Robert Andrews Millikan Professor of Theoretical Physics Emeritus at the California Institute of Technology, where he taught for many years, and he is currently a Distinguished Fellow at the Sante Fe Institute.
	corporate.britannica.com /board/gell-mann.html (231 words)

	Physics Today News Picks: Obituaries Archives
		The New York Times: Melvin Schwartz, who shared the 1988 Nobel Prize in Physics for generating a beam of wispy particles known as neutrinos, died Monday at a nursing home in Twin Falls, Idaho.
		The New York Times: Raymond Davis Jr., a chemist at Brookhaven National Laboratory who won a Nobel Prize in Physics for capturing evanescent particles known as neutrinos from the sun, died on Wednesday at his home in Blue Point, N.Y. He was 91.
		He was best known for the Eightfold Way classification of elementary particles, developed simultaneously with Murray Gell-Mann in the early 1960s, which helped bring order to the confused world of subatomic physics.
	blogs.physicstoday.org /newspicks/obituaries (416 words)

	Amazon.com: The Eightfold Way: Books: Murray Gell-Mann,Yuval Ne'eman (Site not responding. Last check: 2007-10-08)
		This monograph presents thirty research papers dealing with the classification of strongly interacting particles and their interaction according to the eightfold way.
		A text in particle physics, originally published in 1964, that lays the foundations for the Standard Model.
		unitary octet, broken eightfold way, nonleptonic interaction, scalar octet, octet assignment, octet enhancement, eigenvalue diagram, ninth baryon, isotopic singlet, real leptons, octet model, unitary singlet, unitary multiplets, isoscalar factors, unitary symmetry, electromagnetic mass differences, vector meson octet, unitary spin, isotopic triplet, isotopic multiplets, fifth interaction, isotopic doublet, octet part, pseudoscalar meson octet, vector mesons
	www.amazon.com /Eightfold-Way-Murray-Gell-Mann/dp/0738202991 (1054 words)

	Theory of More Than Everything (figures to appear)
		It is exactly this problem that has made supersymmetry a never-ending struggle for truth, beauty, and the eightfold way.
		In fact, their civilization is much older than ours, and they have already discovered everything we know about particle physics centuries ago.
		A flavor of physics which has not yet been discovered experimentally or in the text of theory papers.
	insti.physics.sunysb.edu /~siegel/parodies/all.html (1856 words)

	About Eightfold Way Consultants (via CobWeb/3.1 planetlab1.cs.wisc.edu) (Site not responding. Last check: 2007-10-08)
		Eightfold Way Consultants, founded in 1998, develops websites and web-based applications for nonprofit organizations and others.
		For Eightfold Way Consultants, Jack has written a new web content management system that offers unparalleled control over generated HTML, direct web-based access to content for clients, and a special emphasis on accessibility for people with disabilities.
		Eightfold Way's contributions include site design, site architecture, navigation, content management, writing and editing, hosting, and strategic consulting.
	www.eightfoldway.com.cob-web.org:8888 /about.htm (222 words)

	A Science Odyssey: People and Discoveries: Murray Gell-Mann
		He has been a professor of physics and theoretical physics at California Institute of Technology for much of his career.
		Then he found that the eightfold way could really best be explained by a particle, undiscovered as yet, that had three parts (hadrons), each holding a fraction of a charge.
		A colleague once said, "Murray has no particular talent for physics, but he's so smart he's a great physicist anyway." His main avocational interest is historical linguistics, and hiking, camping, and bird-watching take up his time outside the lab.
	www.pbs.org /wgbh/aso/databank/entries/bpgell.html (304 words)

	The Greatest Physics Paper! \| Cosmic Variance
		This is the greatest physics paper of all time because it not only described the law governing gravity — that would be plain old vanilla Nobel material — it also told us what gravity really is.
		Even today, the only way we know to describe any natural law, or any mathematical construct, is to put two different expressions on the two sides of the “=” sign respectively.
		This one book combined bold physical intuition and insight (including the first proposal that the orbits were the result of a force from the Sun to the planets) with painstaking calculation and data analysis, leading to momentuous and far reaching conclusions.
	cosmicvariance.com /2005/08/17/the-greatest-physics-paper (9620 words)

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