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Topic: Autoionization

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	Autoionization of Water
		is referred to as the autoionization of water.
		From these notes, we can conclude that the autoionization equilibrium of water occurs in acid solution, but the extent of autoionization is suppressed by the presence of the acid in solution.
		We consider a final note on the autoionization of water.
	www.vias.org /genchem/acidbase_equ_12591_04.html (318 words)

	Autoionization contributions to collisional ionization (Site not responding. Last check: 2007-10-25)
		Electron-impact ionization may take place either by direct ejection of an electron from an atom (or ion), or by collisional excitation of an inner-subshell electron to a level j lying above the ionization limit, followed by autoionization.
		for autoionization to all possible states of the ion; see, for example, R. Cowan and J. Mann, Astrophys.
		If an RCG run is made as described in the preceding subsection, values of
	www.physik.fu-berlin.de /~martins/cowan/rcg/node22.html (143 words)

	Mode-Dependent Vibrational Autoionization of Aniline (Site not responding. Last check: 2007-10-25)
		High-resolution photoelectron spectroscopy is used to study the branching ratios for vibrational autoionization of Rydberg states of aniline (C_6H_5NH _2) converging to the ground electronic state of the ion.
		Using two-color double-resonance excitation, it is possible to excite autoionizing resonances in which two different vibrational modes are excited.
		Interestingly, vibrational autoionization via normal modes that involve motion of the nitrogen atom appear to be the most efficient.
	flux.aps.org /meetings/YR00/DAMOP00/abs/S1440004.html (132 words)

	Tokamak Plasma Spectroscopy at LLNL
		is the branching ratio for autoionization from level j to all possible levels of the next ion.
		The forward ionization processes (autoionization and direct impact ionization) are computed using HULLAC; data for the inverse processes (dielectronic attachment and three-body recombination) are computed by enforcing the principle of detailed balance.
		However, for certain electric quadrupole transitions in Ni-like Mo the large manifold of autoionizing resonances in Cu-like Mo enables an enhancement of the direct impact excitation rates that is not negligible.
	www-phys.llnl.gov /Research/Tokamak (8969 words)

	Rotational and Vibrational Autoionization in Ammonia (Site not responding. Last check: 2007-10-25)
		Double-resonance ionization spectra via selected rotational levels of the C'(0100) state of ammonia show direct evidence for rotational-electronic perturbations between Rydberg series converging to different rotational states of NH_3^+ X(0100), and for rotational autoionization when it is energetically allowed.
		The simplicity of the double resonance spectra is quite striking, and allows the characterization of the rotational autoionization process as a function of \Delta N^+, and \Delta K^+.
		Rotational autoionization by \Delta N^+ = -1, \Delta K^+ = 0 is found to be the dominant decay mechanism, and competes effectively with vibrational autoionization into the NH_3^+ X(0000) continuum.
	flux.aps.org /meetings/YR99/CENT99/abs/S7930002.html (141 words)

	Autoionization and stochastic diffusion of Rydberg electrons in fluctuating laser fields (ResearchIndex)
		Autoionization and stochastic diffusion of Rydberg electrons in fluctuating laser fields
		Abstract: The influence of laser fluctuations on the excitation of autoionizing Rydberg states close to an ionization threshold is investigated.
		Based on quantum defect theory a theoretical framework is developed within which all threshold phenomena originating from the infinitely many Rydberg states converging towards the ionization threshold as well as the stochastic influence of the exciting laser field can be described conveniently.
	citeseer.ist.psu.edu /352873.html (271 words)

	U.Safronova's publications list (Site not responding. Last check: 2007-10-25)
		Safronova U.I. and Kharitonova V.N. Energy of the autoionization states of atoms and ions with 3-5 electrons.
		Safronova U.I. and Lisina T.G. Atomic constants of autoionization states of ions with Z=6, 8, 10-42 in the Be-isoelectronic sequence.
		Safronova U.I. Relativistic calculation of autoionization widths of 1s1/2(2s1/2)2 and 1s(1/2)2pj2pj' terms.
	das101.isan.troitsk.ru /safronova-pub.htm (8230 words)

	Chemical Dynamics in the Gas Phase
		ionization and dissociation continua, that is, on autoionization
		autoionization in Rydberg states of small polyatomic molecules.
		Vibrational autoionization corresponds to the decay of resonances
	chemistry.anl.gov /chem-dyn/Section-G-StephenPratt.htm (1993 words)

	Autoionization Transition Probabilities (Site not responding. Last check: 2007-10-25)
		parity and other selection rules permitting autoionization into only the s and d continua.
		b > for the pure-discrete (but potentially autoionizing) state j and the components < b'
		All results are written on disk unit IE (= 31 or 32, depending on parity) for use in SPECTR.
	www.physik.fu-berlin.de /~martins/cowan/rcg/node20.html (584 words)

	Auger effect (autoionization) (Site not responding. Last check: 2007-10-25)
		Secondly, if the excited ion possesses at least two L-shell electrons, the energy liberated when one of them falls into the vacancy can lead to the ejection of another outer-shell electron.
		This is known as the Auger effect or autoionization since the ion has self-ionized after the photoionization event.
		The probability that photoionization is followed by fluorescent line emission rather than autoionization is called the fluorescent yield.
	www.astro.umd.edu /~chris/publications/thesis/node145.html (254 words)

	AcidBase Equilibria: Exact pH calculation
		ions from the autoionization of water must also be taken into account.
		When autoionization of water is considered, the method is called the exact pH calculation or the exact treatment.
		Water is both an acid and a base due to the autoionization,
	www.science.uwaterloo.ca /~cchieh/cact/c123/exactrea.html (1122 words)

	Acid-Base Equilibria
		The autoionization of water is an equilibrium process and can be described by an equilibrium constant
		From Hess's law, if two reactions are combined to yield a third reaction, the equilibrium constant of this third reaction is given by the product of the equilibrium constant of the two reactions being combined.
		In this context, the addition of the acid-dissociation reaction and the base-dissociation reaction yields the autoionization reaction of water:
	eagle.clarion.edu /~faculty/krugh/ch16/notes.html (2808 words)

	Autoionization of water and the pH scale
		No matter how thoroughly water is purified, it will always conduct electricity to a small extend.
		This phenomenon is due to the autoionization of water: One water molecule will transfer a proton onto another molecule forming a hydronium ions (H
		Since water is in large excess, the equilibrium constant for the autoionization of water is simply the product of hydronium ion concentration and hydroxide ion concentration and is called the
	wc.pima.edu /~skolchens/C152OL/Ch17/pHscale.htm (261 words)

	Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
		Energy Citations Database (ECD) Document #7194892 - Degenerate autoionization processes in the photoionization of molecular hydrogen
		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.
		Degenerate autoionization processes in the photoionization of molecular hydrogen
	www.osti.gov /energycitations/product.biblio.jsp?osti_id=7194892 (108 words)

	Coherent control of autoionization in optically dense media
		We present a self-consistent theory and analytical results for the three-photon-one-photon coherent control of ionization in an optically dense autoionizing medium.
		Control of the autoionization and the branching ratio of its products is still feasible, however, through the variation of the detuning of the fundamental field from the atomic transition resonance.
		In particular, reselling and systematic downloading of files is prohibited.
	stacks.iop.org /0953-4075/34/1711 (258 words)

	Chemistry : Chapter 16 : Autoionization of Water (Site not responding. Last check: 2007-10-25)
		Chemistry : Chapter 16 : Autoionization of Water
		Because of the autoionization of water, the concentration of H
		Because of the autoionization of water, hydroxide ion concentration can be expressed as pH.
	www.wwnorton.com /chemistry/concepts/chapter16/ch16_2.htm (529 words)

	Electron-impact excitation-autoionization of helium in the S-wave limit
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		Excitation of the autoionizing states of helium by electron impact isshown in calculations in the s-wave limit to leave a clear signature in the singly differential cross section for the (e,2e) process.
		It is suggested that such behavior should be seen generally in (e,2e) experiments on atoms that measure the single differential cross section.
	repositories.cdlib.org /lbnl/LBNL-56549 (127 words)

	autoionization concept from the Astronomy knowledge base (Site not responding. Last check: 2007-10-25)
		physical phenomena > event > atomic process > ionization > autoionization
		Next ionization: photoionization Up: ionization Previous ionization: Auger transition
		In the autoionization process one of the excited electrons is ejected, leaving the ion in an excited state (see dielectronic recombination; see also Auger effect).
	www.site.uottawa.ca:4321 /astronomy/autoionization.html (63 words)

	Find in a Library: Autoionization : recent developments and applications
		Find in a Library: Autoionization : recent developments and applications
		To find this item in a library, enter a postal code, state, province, or country in the field above.
		WorldCat is provided by OCLC Online Computer Library Center, Inc. on behalf of its member libraries.
	worldcatlibraries.org /wcpa/ow/4dfcb360f9b5ab4ea19afeb4da09e526.html (45 words)

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