Cover of: Crossed molecular beam studies of sensitized fluorescence | Euel Ray Cutshall

Crossed molecular beam studies of sensitized fluorescence

  • 78 Pages
  • 4.39 MB
  • English
Fluorescence., Molecular b
Statementby Euel Ray Cutshall
The Physical Object
Paginationiv, 78 leaves :
ID Numbers
Open LibraryOL24137562M

AmousStern- Gerlachexperiment wasconducted. 3 Inthis experiment a beam ofsilveratomswas deflected inan inhomogeneous magnet. Crossed molecular beam studies of sensitized fluorescence. By Euel Ray Cutshall. Abstract Topics: Fluorescence (lcsh), Molecular beams (lcsh), Chemistry thesis Ph.

D, Dissertations, Academic -- Chemistry Author: Euel Ray Cutshall. The velocity dependence of the excitation of mercury to Hg(63P1) by CO(a3Π) was determined in a cross beam experiment by measuring the time-of-flight Cited by: 6.

Crossed molecular beam studies of rotationally and rovibrationally inelastic scattering of S 1 glyoxal from H 2 and He have been extended to one additional light gas, D 2, and to two heavy gases of identical masses, Kr and cyclohexane, C 6 H 12 (84 amu).Cited by: 4.

Oxidative stress is one of the pathogenic mechanisms involved in cell injury. Various reactive species can be formed during oxidative reactions. Electronically excited molecules such as excited carbonyls or singlet oxygen can directly generate chemiluminescence in biological systems (Cilento ; Cited by: 1.

Gu, Y. Guo, F. Zhang, A.M.

Description Crossed molecular beam studies of sensitized fluorescence FB2

Mebel, R.I. KaiserA crossed molecular beam study on the formation of hexenediynyl radicals (H 2 CCCCCCH; C 6 H 3 (X 2 A′)) via reactions of tricarbon molecules, C 3 (Σ g +), with allene (H 2 CCCH 2; X 1 A 1) and methylacetylene (CH 3 CCH; X 1 A 1)Cited by: Spectroscopic Studies of Nanoparticulate Thin Films of a Cobalt-Based Oxygen Evolution Catalyst.

NEXT BOOK; VIEW ALL BOOKS ALL BOOKS; Highly Excited Molecules Relaxation, Reaction, and Structure. Crossed-Molecular-Beam Observations of Vibrational Energy Transfer in Only Moderately Excited Glyoxal Molecules.

Product analysis was achieved by coupling a specially designed HTFFR to a chopped molecular beam quadrupole mass spectrometer. Those observations, which covered the approximately − K temperature range, showed formation of CuCl and the previously unknown species by: Photoionization, photoelectron, and fluorescence spectroscopic techniques have played an important role in revealing the photoionization and photodissociation dynamics of molecules in the vacuum ultraviolet region and in providing accurate energetic and spectroscopic information of ions as well as neutral molecules.5/5(1).

Czajkowski's 63 research works with citations and reads, including: Sensitized Fluorescence in Sodium Induced in Collisions with Hg(63P1) Atoms. LEVEL-CROSSING STUDIES OF Na2 FIG. Schematic arrange­ ment of the equipment used in the laser-induced molecular level-crossing experiment: M = mirror, L=lens, P=prism, F= filter, and R=reservoir.

The magnetic field is perpendicular to the plane of the figure. The C + OCS → Crossed molecular beam studies of sensitized fluorescence book + CO reaction has been investigated in a pulsed crossed supersonic molecular beam experiment at a centre-of-mass kinetic energy of eV.

CS radicals, produced in both the a Π and X Σ states, have been detected by laser-induced fluorescence (LIF). A newly observed CS transition, A Π–a Π, is also. Recent developments in tunable lasers and molecular beams have enabled a major refinement in the study of molecular properties. For example, the supersonic nozzle beam preparation technique has brought the spectral resolution of measurements of homonuclear and heteronuclear alkali dimers in our laboratory down to cm –1 (= 30 MHz).

The dynamics of quenching of electronically excited Na atoms by the diatomic molecules N 2, O 2, CO, and NO has been studied using crossed molecular beam techniques. Distributions in both laboratory scattering angle and recoil velocity provide information on the quenching process and the disposal of energy.

For N 2, O 2, and CO, we observe a direct process which occurs in less than one Cited by: Crossed molecular beam studies of bimolecular reactions of relevance in combustion Article in Energy 43(1) July with 82 Reads How we measure 'reads'. As a result, new and exciting research has been developing allover the world.

Laser spectro­ scopy shares a large fraction of this research, and in the last decade nu­ merous books and monographs have been published on this subject. Most of these books and monographs. Since the limits of detection are 1 to 10 pg PAH/spot for sensitized fluorescence and approximately 10 ng/spot for non-sensitized fluorescence, the results of the spot test procedure can be used to make the following estimates of PAH contents in the yL of sample.

a) non-fluorescent. Cross‐examination: The reaction of atomic oxygen in the first excited singlet state [O(1 D 2)] with HCl is studied by crossed molecular beam scattering at a collision energy of 6 kcal mol −1 [see scattering images with superimposed Newton diagram in (a)]. In a crossed molecular beam apparatus, two collimated beams of gas-phase atoms or molecules, each dilute enough to ignore collisions within each beam, intersect in a vacuum chamber.

The direction and velocity of the resulting product molecules are then measured, and are frequently coupled with mass spectrometric data.

Rubahn H-G and Toennies J P A molecular beam study of the potential anisotropy of laser vibrationally excited Li2 molecular beam-laser-induced fluorescence spectroscopy of the C 1Πu − X Σ 1 g + band system Chem.

Phys. Lett. crossed laser-molecular beam studies. A Crossed Molecular Beam Study on the Reaction of Boron Atoms with Methylacetylene and Partially Deuterated Methylacetylene. Fangtong Zhang Dr.

Chih Hao Kao Prof. Agnes H. Chang Prof. Xibin Gu Dr. Ying Guo Dr.

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Ralf I. Kaiser Prof. Pages: ; First Published: 04 January The Study of Surfaces and Overlayers with Beams, 6 Beams as Sources of Unstable Species and as Clean Sample Injection and Extraction Tools, 7 A Few "Standard" Molecular Beam Experiments, 8 Experiments with One Beam Collimation, 8 Experiments with More than One Beam Collimation, 9 The Molecular Beam Laboratory, Spectroscopicinvestigationof sensitized-Cs(62 P 3/2–6 2P 1/2)laser retrofluorescenceinapureoptically thickvapournearadissipative surface KarineLeBris.

Combined Crossed Molecular Beam and ab Initio Investigation of the Multichannel Reaction of Boron Monoxide (BO; X 2 Σ +) with Propylene (CH 3 CHCH 2 ; X 1 A′): Competing Atomic Hydrogen and Methyl Loss PathwaysCited by: Excitation and fluorescence spectra of Hg 2 were produced in a pulsed supersonic molecular beam crossed with a pulsed laser beam.

Well-resolved structures arising from and vibronic transitions were analyzed and yielded spectroscopic constants for the excited and ground states of the by: Research area.

Unit: Chemical Reaction Dynamics (Coordinator P. Casavecchia)The dynamics of elementary gas-phase reactions of a variety of atoms (such as O, N, C, Cl, S) and radicals (such as OH, C2, CN) with simple as well as complex molecules (from H2 to hydrocarbons) of interest in atmospheric- combustion- and astro-chemistry, are investigated by using the crossed molecular beam scattering.

In order to study the sensitivity of various laser systems to the measurement of combustion products, a number of characteristics of the coal flame/laser beam interaction were investigated.

The primary qualities of the coal flame are the strength of the scattering signal due to particulates and sooting and the blackbody irradiance extending to.

Cross sections of the O++H2→OH++H ion-molecule reaction and isotopic variants (D2, HD): Quasiclassical trajectory study and comparison with experiments.

The Journal of Chemical Physics, Vol.Issue. 17, p. Author: Raphael D. Levine. Zare and D. Herschbach, "Proposed Molecular Beam Determination of Energy Partition in the Photodissociation of Polyatomic Molecules," University of California Radiation Laboratory Report UCRL, (). Fluorescent dyes.

When the perturbation induced by a reporter particle is too large, an effective alternative is to replace the particle with one or more fluorescent dyes attached to specific locations on the molecule and to visualize molecular motion by measuring the light emitted by the fluorophores (Figure 1b).By fitting the intensity profile of the fluorophores to the appropriate point Cited by:.

Details Crossed molecular beam studies of sensitized fluorescence FB2

Crossed-beam techniques and laser spectroscopic detection: towards the state-to-state differential reaction cross-section measurements. Part 6 Laser studies of cluster and surface reactions.

Chapter 24 Laser studies of complexes: van der Waals and cluster reactions. Experimental set-ups and methodologies. Metal-containing.In this report, self-organized indium nitride nanodots have been grown on Si () by droplet epitaxy method and their density can reach as high as × 10 11 cm −2 for the growth at low temperature of °C.

Based on the in situ reflection high-energy electron diffraction, the surface condition, indium droplets, and the formation of InN nanodots are identified during the by: 3.His research was initially in the field of crossed molecular beam scattering studying the dynamics of elementary chemical reactions using mass spectrometry and laser-induced fluorescence.

Subsequently, there was a focus on the dynamics and kinetics of reactions and photodissociation processes involving atoms and radicals in the gas-phase, in.