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Topic: Lepton

Related Topics

Electron neutrino

Electron antineutrino

Muon

Neutrino

List of particles

Boson

Baryon number

Fermion

Quark

Antiparticle

Meson

Particle physics

Subatomic particle

Positron

Baryon

	Lepton - Wikipedia, the free encyclopedia
		The leptons form a family of elementary particles that are distinct from the gauge bosons and the quarks.
		There are 12 known types of lepton, 3 of which are matter particles (the electron, the muon and the tauon), 3 corresponding neutrinos, and their 6 respective antiparticles.
		Leptons from the Georgia State University is a small summary of the Lepton.
	en.wikipedia.org /wiki/Lepton (229 words)

	Lepton (currency) - Wikipedia, the free encyclopedia
		Lepton pl. Lepta (Λεπτόν pl. Λεπτά) is the name of various fractional units of currency used in the Greek-speaking world from antiquity until today.
		The Roman mite was informally called lepton in the Greek-speaking parts of the Roman Empire; this use is seen in the New Testament.
		In modern Greece, lepton (modern form: lepto, Λεπτό) is the name of the 1/100 denomination of all the official currencies of the Greek state: The Phoenix (1827-1832), the Drachma (1832-2001) and the Euro (2002-current).
	en.wikipedia.org /wiki/Lepton_(Currency) (135 words)

	Lepton number - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-11-07)
		Lepton number (sometimes also called lepton charge) is an additive quantum number, which means that its sum is preserved in interactions (compared to multiplicative quantum numbers as parity, where the product is preserved instead).
		The lepton number before the reaction is 0 (the neutron, n, is a baryon and therefore there are no leptons before), while the lepton number after the reaction is 0 for the proton +1 for the electron (a lepton) −1 for the antineutrino (an antilepton).
		Because lepton number conservation law in fact is violated by chiral anomalies, there are problems applying this symmetry universally over all energy scales.
	www.bonneylake.us /project/wikipedia/index.php/Lepton_number (604 words)

	Leptons (Site not responding. Last check: 2007-11-07)
		Leptons and quarks are the basic building blocks of matter, i.e., they are seen as the "elementary particles".
		There are six leptons in the present structure, the electron, muon, and tau particles and their associated neutrinos.
		As one of the leptons, the electron is viewed as one of the fundamental particles.
	hyperphysics.phy-astr.gsu.edu /hbase/particles/lepton.html (635 words)

	Lepton
		LEPTON is a technology firm, based in L'viv, Ukraine, which specializes in scientific and industrial projects.
		LEPTON is applying to the EUROPABANK for a loan to finance the MVDS project in L'viv and Truskavets.
		LEPTON is also constructing cable TV nets in the towns of Truskavets and Stebynk not far from L'viv (Total of 11,000 potential customers).
	www.ukrainebiz.com /companiesUKR/lepton.htm (1306 words)

	AllRefer.com - lepton (Physics) - Encyclopedia
		Leptons are the lightest class of particles having nonzero rest mass.
		The muon was originally classed as a meson because of its mass, about 200 times that of the electron, but the subsequent reclassification of particles on the basis of their behavior placed it with the electron in the lepton category.
		The electron and the muon are almost twins, except for their large mass difference; each is negatively charged, has a positively charged antiparticle, and has an associated neutrino and antineutrino.
	reference.allrefer.com /encyclopedia/L/lepton.html (269 words)

	The Nobel Prize in Physics 1995 - Presentation Speech
		Leptons, which occur outside of atomic nuclei, also come in two types: electrons, which have both an electrical charge and a measurable mass, and neutrinos, which lack both charge and mass.
		The tau, or tau lepton, as this super-heavy cousin of the electron was designated, provided the key to a definitive understanding of the family structure of elementary particles.
		The tau lepton itself may be of crucial importance in testing future theories of how matter acquired the property that we call mass.
	nobelprize.org /physics/laureates/1995/presentation-speech.html (822 words)

	lepton -- Britannica Concise Encyclopedia - The online encyclopedia you can trust!
		Leptons have a half-integral spin and obey the Pauli exclusion principle.
		It was concluded by the mid-1980s that the fundamental constituents of matter were the quarks, which are responsive to the strong force that holds the nucleus together, and the leptons, particles that are unresponsive to the strong force.
		Bosons and leptons can have an electric charge that is the same as the electron (called –1 by convention), or they can have the opposite electrical charge (+1) as...
	www.britannica.com /ebc/article-9370060?tocId=9370060 (910 words)

	Cyberphysics - Leptons (Site not responding. Last check: 2007-11-07)
		Leptons do NOT experience the strong nuclear force, rather any nuclear interactions they are involved in are via the weak nuclear force.
		Leptons have zero baryon number and zero strangeness.
		Muonic atoms are much smaller than typical atoms because, in order to conserve angular momentum, the more massive muon must be closer to the atomic nucleus than its less massive electron counterpart.
	www.cyberphysics.pwp.blueyonder.co.uk /topics/physics/particle/lepton.htm (313 words)

	Lepton (Site not responding. Last check: 2007-11-07)
		A lepton (Greek for "light", as opposed to hadrons which are "heavy") is a subatomic particle that is not made of quarks.
		The leptons are the electron, the muon, the tau, and their respective neutrinos.
		There are 6 types of lepton, 3 of which are negative, the other 3 neutral.
	www.theezine.net /l/lepton.html (98 words)

	Lepton Energy Spectra in e+e- Annihilation and Other Processes (1977)
		4 illustrates the comparative insensitivity of the spectrum in heavy lepton decay to the neutrino mass in the high-energy limit.
		A quantitative measure of the difference between the spectra in the charm and heavy lepton cases is also interesting.
		Next we consider the angular distribution of the leptons relative to the beam axis.
	www.stephenwolfram.com /publications/articles/particle/77-lepton/4/text.html (613 words)

	Lepton Energy Spectra in e+e- Annihilation and Other Processes (1977)
		In particular, it is interesting to contrast the lepton spectra expected from charm and from the decay of pair produced heavy leptons
		For charmed particles [4] and heavy leptons [5] with masses of order 2 GeV, the lepton spectrum is expected to be softer and the hadron multiplicity higher in the case of charm, the two processes becoming more distinct with increasing energy, as
		However, if more flavors exist they may also yield a relatively hard lepton spectrum near their threshold, and it is interesting to see whether such a contribution could easily be detected.
	www.stephenwolfram.com /publications/articles/particle/77-lepton/2/text.html (425 words)

	MuLinux Home Site: Lepton
		Leptons: a family of particles consisting of the electron, the muon and the tau, along with their neutrinos.
		Lepton is the temporary name for a single floppy Linux, based on the kernel series 2.4.x.
		Lepton is released under GPL, but is totally unsupported by the Author.
	mulinux.sunsite.dk /lepton.html (295 words)

	Lepton Photon 2003
		The XXI International Symposium on Lepton and Photon Interactions at High Energies (Lepton Photon 2003) will be held at the Fermi National Accelerator Laboratory in Batavia, Illinois.
		Lepton Photon 2003 is sponsored by the International Union of Pure and Applied Physics (IUPAP), the U.S. Department of Energy, the U.S. National Science Foundation, and Fermilab.
		Lepton Photon 2003 will be conducted in accordance with IUPAP principles as stated in the ICSU-Document "Universality of Science" (ninth edition, 1998) regarding the free circulation of scientists for international purposes.
	conferences.fnal.gov /lp2003/bulletins/bulletin1.html (1487 words)

	Lepton
		I have found that the performance of the SLA Lepton scooter is fairly close to the advertised claims.
		I think that one thing really working against the Lepton with regards to the competition from other high end electric scooter manufacturers is the fact that the Lepton sales information quotes what I've found to be real world driving range.
		The Lepton folks should consider emphasizing that their range figure is a real world one in their sales literature.
	www.evfinder.com /lepton.htm (1685 words)

	LEPTON OXYGEN: ELECTRICAL SCOOTERS THE ITALIAN WAY (Site not responding. Last check: 2007-11-07)
		The Oxygen is now available in two versions, either with nickel-zinc batteries by Evercel (Lepton E) or with traditional lead batteries (Lepton).
		Lepton’s nickel-zinc batteries are fully recyclable, guaranteed for 15,000 Km and weigh only half that of the traditional zinc-nickel batteries.
		Lepton has been developed to run short distances in touristy paradises such as Lampedusa, Capri, Procida or even Hawai and Bermuda, where space is restricted and silence is treasured.
	www.motorcity.com /display/visualizzanews.php3?id=10711&precedente= (174 words)

	Lepton Decays (Site not responding. Last check: 2007-11-07)
		The heavier leptons, the muon and the tau, are not found in ordinary matter at all.
		When a heavy lepton decays, one of the particles it decays into is always its corresponding neutrino.
		Physicists have observed that some types of lepton decays are possible and some are not.
	particleadventure.org /particleadventure/frameless/lepton_decay.html (185 words)

	Lepton Software : The final destination for your GIS needs
		About Us Located in New Delhi India, Lepton Software is a firm specializing in Geographic Information System (GIS) technology.
		Lepton was founded in 1997 by professionals who possess extensive experience in cartography, consulting, system design, application development, and project management.
		Lepton prides itself on being a complete GIS firm focusing on the telecom industry vertical.
	www.leptonsoftware.com /about.html (229 words)

	Welcome to lepton-united.co.uk
		We are based in the village of Lepton, 3 miles south of Huddersfield, West Yorkshire, England.
		The club was formed in 1993 with the name Lepton Badgers Junior Football Club and remained for a number of years a club which focused on junior football for the Under 10s.
		To view this you will need to be both a member of the club and registered to access the members only area.
	www.lepton-united.co.uk (392 words)

	lepton on Encyclopedia.com (Site not responding. Last check: 2007-11-07)
		Separate laws govern the conservation of electron family number and of muon family number, the number being +1 for ordinary particles of either family and -1 for antiparticles (see conservation laws, in physics).
		Lepton physics work attracts Nobel honors.(Frederick Reines and Martin L. Perl win 1995 Nobel Prize in Physics)(Brief Article)
		New matting agent enhances BASF's range of auxiliaries for leather finishing -- Lepton Matting MF.
	www.encyclopedia.com /html/l1/lepton.asp (362 words)

	Lepton Software :: Products
		We have special solutions for the telecom industry and radio-frequency tool providers, as well as government agencies and leaders in land and natural resource management.
		Poised to become a world leader in GIS technologies, Lepton brings to you a highly skilled team to deliver GIS solutions, application development services, on-going support, and consultancy.
		Lepton's list of customers includes world leaders in telecom and other industries.
	www.leptonsoftware.com (176 words)

	Tau lepton (Site not responding. Last check: 2007-11-07)
		This group of tetrahedrons starts with the group for the mu lepton.
		All paths of two steps or less from the last two steps of the mu lepton group and all but six of the three step paths that come from two directions are included.
		The mass ratio of a tau lepton to an electron is 3477.6
	www.pimeson.com /tau.html (125 words)

	Total Immersion - Map M (Site not responding. Last check: 2007-11-07)
		The finale, as Lepton and Xog meet at last, and Flexia's fate is sealed.
		Lepton is torn momentarily between saving his girl and defeating Xog.
		Lepton draws his own sword and they begin to duel it out.
	members.aol.com /SplashDn99/TI_authors/page/map-M.htm (346 words)

	Science News: Lepton physics work attracts Nobel honors.(Fred... @ HighBeam Research (Site not responding. Last check: 2007-11-07)
		Along with the electron and muon, the tau particle and three varieties of neutrinos are now firmly established as members of the lepton group of subatomic particles.
		Frederick Reines of the University of California, Irvine, contributed to the discovery of the neutrino in the 1950s, while Martin L. Perl of the Stanford (Calif.) Linear Accelerator Center (SLAC) was a member of the research team that identified the tau lepton in the 1970s.
		About 3,500 times heavier than the electron, the tau lepton is a member of the same family of subatomic particles as the top and bottom quarks (SN: 7/1/95, p.10).
	www.highbeam.com /library/doc0.asp?DOCID=1G1:17501430&refid=holomed_1 (435 words)

	Martin Perl - The Third Quark-Lepton Family - Tau Lepton
		Martin L. Perl shared the Nobel Prize in Physics in 1995 for his work in the discovery of the third family of elementary particles.
		As the research progress and the equipment became more sophisticated, Perl became convinced there was another lepton.
		This work led to the discovery of the tau lepton and a third quark-lepton family of elementary particles in 1975.
	www.suite101.com /article.cfm/biographies_scientists/118377 (698 words)

	Powell's Books - Lepton & Baryon Number Violation in Part by Klapdor-kleingrothau
		The main topics include: B and L violation and grand unified theories; B and L violation in the earn Universe, in cosmology and astrophysics Lepton family number violation: B and L violation and collider physics.
		The first of the 39 chapters overview B and L violation in grand unified theories, with lepton number and lepton flavor violation in left-right symmetric models and the flavor problem in SUSY.
		A study of lepton family violation and R- parity violation in rare decay processes follows.
	www.powells.com /cgi-bin/biblio?inkey=4-0750306165-0 (289 words)

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