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Topic: Intrinsic parity

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	Parity
		Parity is an important idea in quantum mechanics because the wavefunctions which represent particles can behave in different ways upon transformation of the coordinate system which describes them.
		In a famous experiment by C. Wu, the non-conservation of parity in beta decay was demonstrated.
		The electromagnetic and strong interactions are invariant under the parity transformation.
	hyperphysics.phy-astr.gsu.edu /hbase/quantum/parity.html (433 words)

	Parity (physics) - Wikipedia, the free encyclopedia
		In a two-dimensional plane, parity is the same as a rotation by 180 degrees.
		To show that quantum electrodynamics is invariant under parity, we have to prove that the action is invariant and the quantization is also invariant.
		In general one assigns the parity of the most common massive particles, the proton, the neutron and the electron, to be +1.
	en.wikipedia.org /wiki/Parity_(physics) (2029 words)

	Parity bit Summary
		Parity checking is the calculation at the receiving end of the transmission to ensure that the total number of bits in the group totals an even number.
		Parity is both an operation and an intrinsic property used to describe particles and their wavefunctions (mathematical representations of one or more particles) in quantum mechanics (a branch of physics focusing on particles smaller than an atomic nucleus).
		Parity does have the advantage, however, that it is about the best possible code that uses only a single bit of space and it requires only a number of XOR gates to generate.
	www.bookrags.com /Parity_bit (1364 words)

	Parity (Site not responding. Last check: 2007-10-28)
		For either parity the physical observables, which depend on the square of the wave function, are unchanged.
		This conservation of parity implied that, for fundamental physical interactions, it is impossible to distinguish right from left and clockwise from counterclockwise.
		This law of the conservation of parity was explicitly formulated in the early 1930s by the Hungarian-born physicist Eugene P. Wigner and became an intrinsic part of quantum mechanics.
	abyss.uoregon.edu /~js/glossary/parity.html (424 words)

	Experiment in Physics > Appendix 1: The Discovery of Parity Nonconservation (Stanford Encyclopedia of Philosophy)
		The episode was that of the discovery that parity, mirror-reflection symmetry or left-right symmetry, is not conserved in the weak interactions.
		They examined the evidence for parity conservation and found, to their surprise, that although there was strong evidence that parity was conserved in the strong (nuclear) and electromagnetic interactions, there was, in fact, no supporting evidence that it was conserved in the weak interaction.
		Parity would be conserved only if, in the decay of a collection of nuclei, equal numbers of electrons were emitted in both directions.
	plato.stanford.edu /entries/physics-experiment/app1.html (611 words)

	Parity: What's Not Conserved?
		With the notion of invariance under reflection in a mirror we approach the conservation of parity.
		At this time the principle of conservation of parity, as extended to individual subatomic particles and their interactions, seemed wholly warranted, not merely on the most general theoretical grounds, but also by its successes in accounting for what those particles did and didn't do.
		Therefore the decay process is not mirror invariant; parity is not conserved.
	physics.nist.gov /GenInt/Parity/parity.html (1213 words)

	parity \| English \| Dictionary & Translation by Babylon
		Parity is a concept of equality of status or functional equivalence.
		See also RAM parity.In economics, purchasing power parity (PPP) is an estimate of the exchange rate required to equalise the purchasing power of different currencies, given the prices of goods and services in the countries concerned.in economic history, parity was the ratio of farm income to farm expenditure with 1910-1914 as a base.
		Potty parity attempts to equalize the waiting times of males and females in restroom queues by designating or building more women's restrooms, giving them more facilities to use.Parity is a tactic in othello.
	www.babylon.com /definition/parity/English (501 words)

	History of Science: Parity Violation
		The importance of parity conservation, its fundamental nature, was discovered in 1927 by the physicist Eugene Wigner, Wigner proved that Laporte's rule was a consequence of right-left symmetry (or mirror image symmetry) of the electromagnetic force[1].
		Conservation of parity rested upon Maxwell's equations describing electromagnetism, but more important, the intuitive idea that nature should be left-right symmetric had been established on the quantum level.
		In their paper, Lee and Yang stated, "To decide unequivocally whether parity is conserved in weak interactions, one must perform an experiment to determine whether weak interactions differentiate the right from the left." [7].
	ccreweb.org /documents/parity/parity.html (3330 words)

	Personal Investing Advice » Premium and Parity
		Intrinsic value, also called parity, is the amount by which an option is in the money.
		In the case of a call, the intrinsic value is equal to the present stock price minus the strike price.
		Parity - When we discuss parity in terms of options, we say that parity is the amount by which an option is in the money.
	www.investingworldtoday.com /2007/07/08/premium-and-parity (609 words)

	parity - Information from Reference.com
		parity or space parity, in physics, quantity that refers to the relationship between an object or process and the image that it can produce in a mirror.
		Parity is still conserved in the strong nuclear interactions and in the electromagnetic interactions.
		Formally, parity, P, is a quantity that expresses the behavior of the wave function of any system of particles when the spatial coordinates x, y, z, of the wave function are reflected through the origin to -x, -y, -z (see quantum theory).
	www.reference.com /browse/all/parity (744 words)

	Particle Interactions and Conservation Laws
		Quarks have an intrinsic parity which is defined to be +1 and for an antiquark parity = -1.
		Nucleons are defined to have intrinsic parity +1.
		All neutrinos are found to be "left-handed", with an intrinsic parity of -1 while antineutrinos are right-handed, parity =+1.
	hyperphysics.phy-astr.gsu.edu /hbase/particles/parint.html (1185 words)

	Calorimetric Equivalence Principle Test
		Parity violations are intrinsic (space is a left foot) and can be demonstrated with chemically identical opposite parity mass distributions (left and right shoes).
		For each orientation a paired opposite parity enthalpy of fusion of benzil is run at local 0600 hrs, noon, 1800 hrs, and midnight to cycle maximum signal, null, maximum, and null signals from the phase angle of Earth's inertial spin and gravitational orbit.
		Parity the symmetry is coupled to geometric parity the property without Noether's theorem.
	www.mazepath.com /uncleal/lajos.htm (2905 words)

	Photon
		Intrinsic is defined to match the classical conventions for E,B,A. Parity =-1.
		The parity of the electric field, magnetic field and vector potential could be redefined.
		The typical expression for the photon field with multipole moments is consistent with the simple statement that the spatial part provide a parity that depends on L, the spin produces a + parity and an overall intrinsic parity has to added to maintain the standard conventions.
	csma31.csm.jmu.edu /physics/giovanetti/particlePhysics/Photonparity.htm (661 words)

	parity - Definitions from Dictionary.com
		An intrinsic symmetry property of subatomic particles that is characterized by the behavior of the wave function of such particles under reflection through the origin of spatial coordinates.
		The parity of packets of binary data is often transmitted along with the data to help detect whether the value of any bits has been altered.
		Even (odd) parity means that the parity bit is set so that there are an even (odd) number of one bits in the word, including the parity bit.
	dictionary.reference.com /browse/parity (1160 words)

	Eotvos and Novel Equivalence Principle Tests
		Parity is a spatial reflection and parity is not a QFT symmetry!
		Parity is an absolutely discrete symmetry that cannot be approximated by a Taylor series or a sum of infinitesimals.
		As the diameter decreases the parity divergence decreases.
	www.mazepath.com /uncleal/eotvos.htm (7753 words)

	Glossary Of Option Trading Terms by OptionTradingpedia.com
		Intrinsic Value - The value of an option if it were to expire immediately with the underlying stock at its current price; the amount by which an option is in-the-money.
		Parity- Describing an in-the-money option trading for its intrinsic value: that is, an option trading at parity with the underlying stock.
		Also used as a point of reference-an option is sometimes said to be trading at a half-point over parity or at a quarter-point under parity, for example.
	www.optiontradingpedia.com /glossary.htm (6261 words)

	Parity Price
		Parity price is commonly used in the context of convertible securities and often referred to as "conversion parity price" or "market conversion price".
		The Agricultural Adjustment Act of 1938 states that the parity price formula is "average prices received by farmers for agricultural commodities during the last ten years and is designed to gradually adjust relative parity prices of specific commodities".
		If the parity price for a commodity is not sufficient enough for a farm operator to support his or her family and operate their business then the government could step in and support prices through direct purchases, or the issuance of non-recourse loans to farmers.
	www.investopedia.com /terms/p/parityprice.asp (432 words)

	Time Value and Intrinsic Value
		A useful notion is that of intrinsic value, which is simply what the option's value would be if the option were about to expire.
		Otherwise, the option is said to be in-the-money if it has positive intrinsic value, or out-of-the-money if it has zero intrinsic value.
		While intrinsic value is easy to calculate, time value is more difficult to calculate.
	www.riskglossary.com /articles/time_value_and_intrinsic_value.htm (798 words)

	Ultimate Financial Dictionary
		For international parity, US$ price of a foreign stock's last sale in an overseas market (Local currency stock price times forex rate times ADR ratio).
		For options parity, dollar amount by which an option is in the money.
		These may be traded either in their physical state or by way of futures and options contracts, mining company stocks, bonds, mutual funds, or other instrument.
	www.english-to-french-translation.com /dictionaries/financial/bfglosp.htm (8657 words)

	Parity & Stock Options (part 1)
		When we discuss parity in terms of options, we say that parity is the amount by which options are in the money.
		When we say that options are trading at parity, we mean that the options premium consists of only its intrinsic value.
		Now if these calls were trading for more than parity, the amount (in dollars) over parity is called ‘premium over parity.’ Thus, the term ‘premium over parity’ is synonymous with extrinsic value.
	www.meta-formula.com /options.html (553 words)

	Kaon Summary
		Since the two final states have different parity it was thought that the initial states should also have different parities, and hence be two distinct particles.
		Initially it was thought that although parity was violated, CP symmetry was conserved.
		In order to understand the discovery of CP violation, it is necessary to understand the mixing of neutral kaons; this phenomenon does not require CP violation, but it is the context in which CP violation was first observed.
	www.bookrags.com /Kaon (2294 words)

	Spatial Inversion
		The positive- and negative-energy states at rest have opposite eigenvalues, or intrinsic parities.
		The intrinsic parity of a Dirac particle and antiparticle are opposite.
		This is to be contrasted to the Klein-Gordon case wherein one finds identical parities for the particle and antiparticle solutions.
	www.phys.ualberta.ca /~gingrich/phys512/latex2html/node53.html (85 words)

	Grass Valley Dictionary
		For odd parity, if the number of 1's in the array is even, a 1 is added in the parity bit to make the total odd.
		For even parity, if the number of 1's in the array is odd, a 1 is added in the parity bit to make the total even.
		The receiving computer checks the parity bit and indicates a data error if the number of ones does not add up to the proper even or odd total.
	www.thomsongrassvalley.com /docs/Miscellaneous/Dictionary/DictionaryB2_P.html (2564 words)

	Alternatives to Closing Below Intrinsic Value
		An option should not trade for less than intrinsic value, because if it did arbitrageurs could simultaneously trade the option and the underlying stock for a guaranteed profit.
		Let's say that on the December expiration day the stock of XYZ Corp is currently trading at $70.70 and you own 20 of December $65 calls that you would like to close (sell).
		The December $65 calls should be trading at or very near to the parity price of $5.70.
	www.investopedia.com /articles/optioninvestor/04/120804.asp (1667 words)

	Intrinsic Gap Modes in 1-D Diatomic Chains, Introduction
		In a one-dimensional monatomic lattice with both positive quadratic and quartic nearest-neighbor interaction potential the intrinsic odd-parity [1] and even parity [2] local modes appear above the top of the plane wave spectrum.
		When a cubic term is added to the interatomic potential, with increasing amplitude, the frequency of a stationary local mode decreases until it approaches the cutoff plane wave frequency, where the mode becomes unstable.
		Both stationary and moving intrinsic anharmonic gap modes can be generated in diatomic lattices.
	www.lassp.cornell.edu /~sievers/ilm/igm1d/intro.html (169 words)

	[No title]
		Commonly a reference to the difference between an option's price and its parity or intrinsic value.
		Unfortunately, the term is misleading because it fails to distinguish its two most important constituents: basis value and volatility value.
		Time value is in quotation marks in these equations to reflect its common but confusing usage.
	www.amex.com /servlet/AmexFnDictionary?pageid=display&titleid=6078 (83 words)

	Citebase - External Inversion, Internal Inversion, and Reflection Invariance
		From this point of view the intrinsic parity of a nuclear particle (`elementary particle') is in fact the external intrinsic parity, if we take into account the internal structure of a particle.
		We show that non-conservation of the external parity does not necessarily imply non-invariance of nature under space inversion.
		The conventional theory of beta-decay can be corrected by including the internal degrees of freedom to become invariant under total space inversion, though not under the external one.
	www.citebase.org /abstract?id=oai:arXiv.org:hep-ph/0105344 (227 words)

	HPF Intrinsics and Library Procedures (Site not responding. Last check: 2007-10-28)
		This appendix lists the HPF intrinsics and Library procedures.
		Refer to the man pages supplied with the pghpf software for further details on the intrinsics and procedures.
		Refer to Appendix A for details on the intrinsics defined in the Fortran 90 Language Specification.
	www.dhpc.adelaide.edu.au /education/pghpf/ref_manual/yappb.ref.html (51 words)

	intrinsic - Definitions from Dictionary.com
		belonging to a thing by its very nature: the intrinsic value of a gold ring.
		belonging to a thing by its very nature; "form was treated as something intrinsic, as the very essence of the thing"- John Dewey [ant: extrinsic]
		2 : originating and included wholly within an organ or part —used especially of certain muscles intrinsic muscle of the larynx> —compare
	dictionary.reference.com /browse/intrinsic (299 words)

	[No title]
		The dominant electromagnetic mechanism for hot fusion is electric dipole radiation, in which the parity of the particle system reverses.
		Now, at the very low energy of cold fusion, two deuterons, for example, which carry even intrinsic parity, have very little chance of fusing in other than the orbital state of zero relative angular momentum--of even orbital parity.
		Under the influence of an oscillating acoustical field, the bubble expands and contracts, with an intrinsic time scale that may be considerably shorter than that of the acoustical field.
	jcbmac.chem.brown.edu /baird/coldfusion/schwinger.html (2419 words)

	Homeworks
		The spin of the pion is 0, and parity is conserved in the decay.
		By considering conservation of angular momentum, and equating the overall parities of the initial and final states, determine the intrinsic parity of the
		Conservation of parity prevents it decaying into two pions.
	www.shef.ac.uk /physics/teaching/phy304/homework.html (1260 words)

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