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Topic: Decay energy

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Decay mode

Decay product

Beta emission

Gamma decay

Beta decay

Electron capture

Synthetic radioisotope

Isotope

Mega

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Xenon

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	Decay energy -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-22)
		The decay energy is the energy released by a nuclear decay.
		(Radioactive decay of an atomic nucleus that is accompanied by the emission of a beta particle) beta decay
		(Radioactive decay of an atomic nucleaus that is accompanied by the emission of an alpha particle) alpha decay
	www.absoluteastronomy.com /encyclopedia/d/de/decay_energy.htm (141 words)

	Future energy development - Wikipedia, the free encyclopedia
		Energy development is the ongoing effort to provide abundant and accessible energy, through knowledge, skills and constructions.
		All the energy we consume is generated by using the four fundamental interactions of nature: gravity, electromagnetism, the weak nuclear force and the strong nuclear force to create work.
		Fission energy and fusion energy are generated by electromagnetism and the strong nuclear force.
	en.wikipedia.org /wiki/Alternative_energy (4707 words)

	Energy in decay \| thebulletin.org
		Energy Department schedules to correct unsafe nuclear material storage and processing situations at Oak Ridge and elsewhere continue to slip because--as the agency claimed last fall--costs are higher than expected and because delays are simply a fact of life.
		When Energy's predecessor, the Atomic Energy Commission, was exploding nuclear weapons in the open air in Nevada in the 1950s, officials referred to radioactive fallout as "sunshine units." We now know that nuclear weapons detonations at Nevada released about 150 million curies of radioactive iodine.
		Energy's failure to manage the project is a serious setback to protecting a water resource that is critical to the region and the country.
	www.thebulletin.org /article.php?art_ofn=mj00alvarez (6006 words)

	Estimation of Decay Energy
		fission fragments, kinetic energy of the fission neutrons, and instantaneous gamma rays.
		energy of the beta, neutrino, and decay gamma rays.
		The decay chains for rubidium-93 and cesium-140 are
	www.tpub.com /content/doe/h1019v1/css/h1019v1_84.htm (203 words)

	Radioactive Decay (Site not responding. Last check: 2007-10-22)
		A nucleus which decays by emitting an alpha particle loses two neutrons and two protons, in order to change its atomic number by -2 and mass number by -4.
		Energy is released in nuclear decay because the total energy of the nucleus after decay is less than that before.
		If the nucleus falls apart into two pieces (as in alpha decay or in the more dramatic nuclear fission), the pieces are more tightly bound than the original nucleus, and energy is given up in that way.
	van.hep.uiuc.edu /van/qa/section/New_and_Exciting_Physics/Inside_the_Atom/20020816032607.htm (658 words)

	Main Text
		The utility of the last design scenario, keeping the decay electrons away from the beam pipe by having a region of reduced or even reversed dipole field, is denoted here as "trapping" and is the focus of the present study.
		Since we are investigating decay electron trapping via the combined effects of low and/or reversed magnetic fields outside the main circulating beam aperture we are forced to provide a complete field map in the regions sampled by the electron beam.
		Energy deposition scoring is also needed to address the significance of the track hit distribution at the collimator and on the downstream quadrupole magnet.
	www.bnl.gov /magnets/Staff/Parker/ToyModelMuonMagnet/MainText.html (2760 words)

	Theory of Alpha Decay
		are the kinetic energies of the daughter nucleus and
		These decays either involve a closed shell nucleus, or are to an excited state in the daughter nucleus.
		Decays involving a change in angular momentum can be strongly hindered by the centrifugal barrier.
	www.phys.jyu.fi /research/gamma/publications/ptgthesis/node26.html (723 words)

	Theory: Radioactive Decay
		It is produced as a step in a radioactive decay chain when a massive nucleus produced by fission relaxes from the excited state in which it first formed towards its lowest energy or ground-state configuration.
		Alpha decay is also a type of fission, common because the alpha particle is a particularly low energy arrangement of two protons and two neutrons.
		The mass of a nucleus is determined by the sum of the energies of all its constituents.
	www2.slac.stanford.edu /vvc/theory/nuclearstability.html (694 words)

	DataSheets (Site not responding. Last check: 2007-10-22)
		In general, the branching ratio (BR) for a particular decay mode is defined as the number of atoms decaying by that decay mode to the number of particle decaying in total i.e.
		The decay energy Q is the total energy in the decay process.
		is the average energy of all particles such as alpha particles, heavy charged particles from spontaneous fission, protons, and delayed neutrons and also includes the recoil energy.
	www.nuclides.net /NUCLIDES_2000/DataSheets.htm (2324 words)

	The Earth’s Magnetic Field is Still Losing Energy (Site not responding. Last check: 2007-10-22)
		Table II and Figure 4 show the energies contained in the earth’s magnetic field from the years 1900 to 2000, according to the IGRF data (of which Table I is a sample) and equations (8), (10), and (11).
		However we interpret the pulse, the steady dipole decay contradicts Dalrymple’s conjecture: that increases in non-dipole energy ought to be fed by losses in dipole energy.
		Decay of the earth’s magnetic field and the geochronological implications.
	www.creationresearch.org /crsq/articles/39/39_1/GeoMag.htm (5735 words)

	Decay energy (Site not responding. Last check: 2007-10-22)
		The energy released is at the expense of mass.
		The energy of decay is mostly carried carried by the light particles, alpha, beta or gamma, but a little bit is carried by the daughter nucleus due to recoil.
		Yet beta-particle energies range from 0 to a maximum seem to suggest that energy is not conserved in beta decay.
	www.science.uwaterloo.ca /~cchieh/cact/nuctek/decayenergy.html (286 words)

	How to Change Nuclear Decay Rates (Site not responding. Last check: 2007-10-22)
		The absorbed energy is sufficient to unbind the electron from the nucleus (ignoring a few exceptional cases), and it is ejected from the atom as a result.
		For most nuclides that decay by electron capture or internal conversion, most of the time, the probability of grabbing or converting an electron is also insensitive to the environment, as the innermost electrons are the ones most likely to get grabbed/converted.
		All told, the existence of changes in radioactive decay rates due to the environment of the decaying nuclei is on solid grounds both experimentally and theoretically.
	math.ucr.edu /home/baez/physics/ParticleAndNuclear/decay_rates.html (1170 words)

	Neutrinos are very difficult to detect, so where did the idea that neutrinos exist come from
		The number of neutrons is N = A - Z. In b decay, it was thought that a parent nucleus with Z protons and N neutrons decays to a daughter nucleus with Z + 1 protons and N - 1 neutrons and an electron is emitted in the process.
		The energy that the electron picks up is called the decay energy and it appears because of the mass difference between the parent nucleus and the daughter nucleus/electron decay products.
		For a specific nucleus the decay energy has a specific value, so the ejected electrons should all have the same kinetic energy.
	www.sdsmt.edu /es/mining/nusl/exp/neutrino1.htm (538 words)

	SDV Nuclear Glossary (Site not responding. Last check: 2007-10-22)
		The emission occurs when the decay leaves the daughter nucleus in an excited state that is above the neutron separation energy.
		Energy released by radioactive decay, through a nuclear reaction, or in the course of nuclear fission.
		The energy of an x-ray is equivalent to the difference in energy of the initial and final atomic state minus the binding energy of the electron.
	glossary.dataenabled.com /sdvglossary_radioactive_decay.html (1184 words)

	[No title]
		In radioactive decay there is a transition from a definite quantum state of a parent to a definite quantum state of its daughter.
		The energy difference is equal to the decay energy, which is the sum of the electromagnetic radiation plus kinetic energy imparted to the resulting masses.
		The subscripts P and D denote the parent and daughter for a radioactive parent decaying to a reactive radioactive daughter; N refers to the number of atoms; (is the radioactive decay constant; and k is the first order rate constant for processes other than radioactive decay (for example, chemical scavenging).
	www-ocean.tamu.edu /Courses/602_BSmallwood/OCNG_640_Notes.doc (1055 words)

	The Tom Bearden Website
		The highest energy photon is the low frequency photon, since spatial energy and time energy are canonical in it, and the time-energy component is increased by the same factor that the spatial energy is reduced.
		decays and in hyperon and meson decays is examined.
		Thus the energy of an open system not in equilibrium must always be greater than the energy of the same system when it is closed or in equilibrium, since the equilibrium state is the state of maximum entropy.
	www.cheniere.org /correspondence/072301.htm (5184 words)

	Obtaining Energy from Matter
		According to the law of conservation, when we give to a material body a determined quantity of energy, this energy might be transformed, but the body will never give back a quantity in excess of what it received.
		When the radio-frequency is halted the radioactive nuclei relaxes and releases energy in the form of heat, electromagnetic and/or beta particle emission.
		The patent further states that beta decay resources are half of fusion energy resources and three hundred times greater than fission fuel resources.
	www.nuenergy.org /technology/energy_from_matter.htm (535 words)

	Isotope Decay Rate
		Co60 decays with 1.33 and 1.17 MeV gamma rays in half life of 5.27 years.
		Radio-carbon dating is a method of obtaining age estimates on organic materials which has been use to date samples as old as 700,000 years.
		Gamma-rays are electromagnetic radiation emitted by the disintegration of a radioactive isotope and have energy from about 100 keV to well over 1 MeV, corresponding to about 0.01 to 0.001 Å.
	www.ndt-ed.org /EducationResources/CommunityCollege/Radiography/Physics/decayrate.htm (506 words)

	More Info on Radioactivity, Time and Age (Site not responding. Last check: 2007-10-22)
		Two primary sources of internal energy are the decay of radioactive isotopes and the gravitational energy from the earth’s original formation.
		He found that you could calculate the age if you compared the amount of the parent material (such as uranium) contained in a sample with the amount of the decay product (in the case of uranium the stable product is lead-206).
		Since the half-life of uranium is 4.5 billion years, a gram of U-238 would produce so few decays per year that the heat produced would be only about 3.2 joules of energy per year per gram of U-238.
	dev.nsta.org /ssc/moreinfo.asp?id=966 (969 words)

	PHYS1000: The structure of matter: nuclear energy (Site not responding. Last check: 2007-10-22)
		Any time we add energy to an object, as kinetic energy or potential energy (eg by compressing a spring), it gains mass.
		However, when it comes to atoms, the extra energy is very large, and the mass of an atom is very small, so we can actually measure the change.
		We can't control radioactive decay, and we'd need a very large amount of material to produce a lot of energy, so it's not convenient for power stations.
	www.physics.uq.edu.au /courses/archive/2004_sem1/phys1000/nuclear_lec.html (256 words)

	Chapter 25 LAWS OF NATURE
		The second is a law of decay that works to reduce the useful amount of matter, energy, etc., as the original organization of the cosmos tends to run down.
		In contrast, energy that is brought into a system from outside, AND which is intelligently controlled and directed, can temporarily interfere with the operation of the Second Law.
		It is of interest that in a building or life form that is thus watched over for a time, entropy (decay) inside the system for a time is slowed, but at the expense of entropy outside which is increased.
	www.evolution-facts.org /Ev-V3/3evlch25.htm (8126 words)

	Radioactive Decay Data
		Mass-ordered list of decay parent nuclei properties including level energy, decay mode(s), spin-parity, half-life, decay Q-value.
		Energy-ordered list of the most intense decay gamma rays from radioactive sources with half-lives greater than 1 day.
		Energy ordered list of 90,000 decay gamma rays from all decay sources.
	ie.lbl.gov /decay.html (324 words)

	Apparatus for direct conversion of radioactive decay energy to electrical energy (US4835433)
		A nuclear battery in which the energy imparted to radioactive decay products during the spontaneous disintegrations of radioactive material is utilized to sustain and amplify the oscillations in a high-Q LC tank circuit is provided.
		The core is fabricated from a mixture of three radioactive materials which decay primarily by alpha emission and provides a greater flux of radioactive decay products than the equivalent amount of a single radioactive nuclide.
		Method of converting radioactive energy to electric energy and device for performing the same
	www.delphion.com /details?&pn=US04835433__ (257 words)

	Decay rates for Viscoelastic plates with memory (ResearchIndex) (Site not responding. Last check: 2007-10-22)
		Abstract: We consider the viscoelastic plate equation and we prove that the first and second order energy associated to the solution of the viscoelastic plate equation, decay exponential provided the kernel of the convolution also decays exponentially.
		When the kernel decays polynomially then the energy also decays polynomially.
		Uniform Rates of Decay in Nonlinear Viscoelasticity for..
	citeseer.ist.psu.edu /433637.html (352 words)

	INE Web Sites (With Active Links)
		Clean Energy Technologies, Inc. (CETI) is a Dallas-based company (now in Sarasota, FL) that was formed in 1995 to further the research process related to the discovery of an new source of hydrogen energy.
		Their opponent was Loschmidt: who claimed that the equilibrium temperature declined with height, and that a perpetual motion machine of the second kind operating by means of such column was compatible with the second law of thermodynamics (and hence with the entropy theorem).
		Subtle energy is used in this context as Einstein used it, that is, to describe a type of energy that is at present not fully understood or measurable with today's equipment.
	www.padrak.com /ine/WEBSITES.html (14606 words)

	ASTRO Vic. - Alternative Energy Sites
		Clean Energy Technologies, Inc. (CETI) is a Dallas-based company that was formed in 1995 to further the research process related to the discovery of an new source of hydrogen energy.
		Zenergy Corporation was founded to commercially develop, and market globally a range of revolutionary energy technologies, with the aim of providing a foundation for the peace, health and prosperity of all people and for a sustainable world that supports all life.
		Although an overall energy gain of 1.00 was achieved, they recognize the tremendous potential of this technology, and feel that they can improve on the basic technology and turn around these early unfortunate early results.
	home.vicnet.net.au /~astronet/altnrg.htm (6425 words)

	Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
		Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
		Energy Citations Database (ECD) Document #4090688 - A STUDY OF THE LOW-ENERGY TRANSITIONS ARISING FROM THE PROMPT DE-EXCITATION OF FISSION FRAGMENTS.
		Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link.
	www.osti.gov /energycitations/product.biblio.jsp?osti_id=4090688 (123 words)

	Radioactive Decay Energy and Particles (Site not responding. Last check: 2007-10-22)
		under goes electron emission, positron emission, and electron capture of the beta decay process.
		Note the relationship between the overall decay constant and the partial decay constant:
		What is the total decay rate in Bq immediately after they were purified?
	www.science.uwaterloo.ca /~cchieh/cact/nuctek/assgn5.html (138 words)

	Site Contents at the free Online Encyclopedia. (Site not responding. Last check: 2007-10-22)
		You are here: Online Encyclopedia > Site Map pg 2 > David Brewster through Decay product
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		In a household, clothes hangers are the single one item that you own the most of, yet no one can name even one brand?
	www.onlineencyclopedia.org /index_90.html (109 words)

	Energy Decay Curve (EDC)
		, Schroeder introduced the so-called energy decay curve (EDC) which is the tail integral of the squared impulse response at time
		= total signal energy remaining in the reverberator impulse response at time
		EDC decays more smoothly than the impulse response itself
	ccrma-www.stanford.edu /~jos/Reverb/Energy_Decay_Curve_EDC.html (75 words)

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