Academic literature on the topic 'Spectroscopic final states'

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Journal articles on the topic "Spectroscopic final states"

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Kirchhuebel, Tino, Oliver L. A. Monti, Toshiaki Munakata, Satoshi Kera, Roman Forker, and Torsten Fritz. "The role of initial and final states in molecular spectroscopies." Physical Chemistry Chemical Physics 21, no. 24 (2019): 12730–47. http://dx.doi.org/10.1039/c8cp07318j.

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Interpreting experimental spectra of thin films of organic semiconductors is challenging, and understanding the relationship between experimental data obtained by different spectroscopic techniques requires a careful consideration of the initial and final states for each process.
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McCarthy, IE. "Electron Momentum Spectroscopy." Australian Journal of Physics 39, no. 5 (1986): 587. http://dx.doi.org/10.1071/ph860587.

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For sufficiently high electron energies (greater than a few hundred eV) and sufficiently low recoil momenta Oess than a few atomic units) the differential cross section for the non-coplanar symmetric (e,2e) reaction on an atom or molecule depends on the target and ion structure only through the target-ion overlap. Experimental criteria for the energy and momentum are that the apparent structure information does not change when the energy and momentum are varied. The plane-wave impulse approximation is a sufficient description of the reaction mechanism for determining spherically averaged squar
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Tao, Zhensheng, Cong Chen, Tibor Szilvási, et al. "Direct time-domain observation of attosecond final-state lifetimes in photoemission from solids." Science 353, no. 6294 (2016): 62–67. http://dx.doi.org/10.1126/science.aaf6793.

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Attosecond spectroscopic techniques have made it possible to measure differences in transport times for photoelectrons from localized core levels and delocalized valence bands in solids. We report the application of attosecond pulse trains to directly and unambiguously measure the difference in lifetimes between photoelectrons born into free electron–like states and those excited into unoccupied excited states in the band structure of nickel (111). An enormous increase in lifetime of 212 ± 30 attoseconds occurs when the final state coincides with a short-lived excited state. Moreover, a strong
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SCHEIPERS, A., and H. MERZ. "CORRELATION EFFECTS IN NiO: COMPARISON OF NEAR THRESHOLD EXCITATION SPECTROSCOPIES." International Journal of Modern Physics B 07, no. 01n03 (1993): 337–40. http://dx.doi.org/10.1142/s0217979293000706.

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At UHV-cleaved single-crystal NiO(100) surfaces core electron energy loss spectra (CEELS) at low primary energy and soft x-ray appearance potential spectra (SXAPS) have been measured at the oxygen K-threshold: the near-edge fine-structures have been investigated up to 40 eV above the threshold. Both spectroscopic methods probe in different ways the structure of the lowest empty states. CEELS is closely related to x-ray absorption spectroscopy (XAS), in both cases the excited final configuration consists of one core hole and one additional electron near the Fermi level E F. In APS we can study
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Rezvani, S. Javad, Nicola Pinto, Roberto Gunnella, Alessandro D’Elia, Augusto Marcelli, and Andrea Di Cicco. "Engineering Porous Silicon Nanowires with Tuneable Electronic Properties." Condensed Matter 5, no. 4 (2020): 57. http://dx.doi.org/10.3390/condmat5040057.

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Structural and electronic properties of silicon nanowires with pre-designed structures are investigated. Wires with distinct structure were investigated via advanced spectroscopic techniques such as X-ray absorption spectroscopy and Raman scattering as well as transport measurements. We show that wire structures can be engineered with metal assisted etching fabrication process via the catalytic solution ratios as well as changing doping type and level. In this way unique well-defined electronic configurations and density of states are obtained in the synthesized wires leading to different char
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WICK, FELIX. "RESULTS ON CHARM BARYON SPECTROSCOPY FROM TEVATRON." International Journal of Modern Physics: Conference Series 02 (January 2011): 163–67. http://dx.doi.org/10.1142/s2010194511000742.

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Due to an excellent mass resolution and a large amount of available data, the CDF experiment, located at the Tevatron proton-antiproton accelerator, allows the precise measurement of spectroscopic properties, like mass and decay width, of a variety of states. This was exploited to examine the first orbital excitations of the Λc baryon, the resonances Λc(2595) and Λc(2625), in the decay channel [Formula: see text], as well as the Λc spin excitations Σc(2455) and Σc(2520) in its decays to [Formula: see text] and [Formula: see text] final states in a data sample corresponding to an integrated lum
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Ya Amusia, M., and AS Kheifets. "How to Explain the Difference between (?, e) and (e, 2e) Spectroscopic Factors." Australian Journal of Physics 44, no. 3 (1991): 293. http://dx.doi.org/10.1071/ph910293.

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It is shown that the relative line intensity of the main and satellite lines in the atomic shell ionisation spectrum depends significantly on the mechanism responsible for the removal of the electron. This dependence is explained by the influence of many-electron correlations in the initial state of the atom to be ionised, which is considerable when the momentum transferred to the ion is large. This is the case for photoionisation, i.e. the (y, e) reaction under the condition of large photon energy. On the contrary, in electron momentum spectroscopy, such as the symmetric noncoplanar (e, 2e) r
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Syme, Anna-Maree, and Laura K. McKemmish. "Full spectroscopic model and trihybrid experimental-perturbative-variational line list for CN." Monthly Notices of the Royal Astronomical Society 505, no. 3 (2021): 4383–95. http://dx.doi.org/10.1093/mnras/stab1551.

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ABSTRACT Accurate line lists are important for the description of the spectroscopic nature of small molecules. While a line list for CN (an important molecule for chemistry and astrophysics) exists, no underlying energy spectroscopic model has been published, which is required to consider the sensitivity of transitions to a variation of the proton-to-electron mass ratio. Here we have developed a Duo energy spectroscopic model as well as a novel hybrid style line list for CN and its isotopologues, combining energy levels that are derived experimentally (Marvel), using the traditional/perturbati
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Pantazis, Dimitrios A. "The S3 State of the Oxygen-Evolving Complex: Overview of Spectroscopy and XFEL Crystallography with a Critical Evaluation of Early-Onset Models for O–O Bond Formation." Inorganics 7, no. 4 (2019): 55. http://dx.doi.org/10.3390/inorganics7040055.

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The catalytic cycle of the oxygen-evolving complex (OEC) of photosystem II (PSII) comprises five intermediate states Si (i = 0–4), from the most reduced S0 state to the most oxidized S4, which spontaneously evolves dioxygen. The precise geometric and electronic structure of the Si states, and hence the mechanism of O–O bond formation in the OEC, remain under investigation, particularly for the final steps of the catalytic cycle. Recent advances in protein crystallography based on X-ray free-electron lasers (XFELs) have produced new structural models for the S3 state, which indicate that two of
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Grey, John K., Ian S. Butler, and Christian Reber. "Temperature- and pressure-dependent luminescence spectroscopy on the trans-[ReO2(pyridine)4]+ complex — Analysis of vibronic structure, luminescence energies, and bonding characteristics." Canadian Journal of Chemistry 82, no. 6 (2004): 1083–91. http://dx.doi.org/10.1139/v04-031.

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Resolved vibronic structure in electronic spectra provides a detailed view into how molecular structure changes after absorption or emission of a photon. We report temperature- and pressure-dependent luminescence spectra of trans-[ReO2(pyridine)4]I. Low-temperature spectra reveal long vibronic progressions in the totally symmetric O=Re=O (907 cm–1) and Re-pyridine (211 cm–1) stretching modes, indicating large structural displacements along these normal coordinates. The luminescence band maximum is at ca. 15 500 cm–1. Room-temperature spectra are somewhat less-resolved; however, intervals close
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Dissertations / Theses on the topic "Spectroscopic final states"

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Verdozzi, Claudio Francesco Antonio. "Correlation effects in the late transition metals and their alloys as revealed by XPS and Auger spectra." Thesis, University of Liverpool, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309879.

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Usachov, Andrii. "Study of charmonium production using decays to hadronic final states with the LHCb experiment." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS135/document.

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Les études des propriétés et du mécanisme de la production du charmonium ont débuté avec la découverte du méson J/ψ. Depuis plus de 40 ans, le mécanisme de production de charmonium n'est toujours pas clair. Les états de charmonium sont copieusement produits dans les collisionneurs hadroniques, ce qui permet d'étudier systématiquement leurs paramètres de résonance, leur production et leurs désintégrations. En dépit des taux de production élevés, de nombreux états de charmonium sont peu étudiés suite aux difficultés de leur reconstruction avec le bruit de fond important. L’expérience LHCb offre
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Pokapanich, Wandared. "Solvent–Solute Interaction : Studied by Synchrotron Radiation Based Photo and Auger Electron Spectroscopies." Doctoral thesis, Uppsala universitet, Yt- och gränsskiktsvetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-138749.

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Aqueous solutions were studied using photoelectron and Auger spectroscopy, based on synchrotron radiation and a liquid micro-jet setup. By varying the photon energy in photoelectron spectra, we depth profiled an aqueous tetrabutylammonium iodide (TBAI) solution. Assuming uniform angular emission from the core levels, we found that the TBA+ ions were oriented at the surface with the hydrophobic butyl arms sticking into the liquid. We investigated the association between ions and their neighbors in aqueous solutions by studying the electronic decay after core ionization. The (2p)−1 decay of solv
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Finch, Sean. "Double-Beta Decay of 96Zr and Double-Electron Capture of 156Dy to Excited Final States." Diss., 2015. http://hdl.handle.net/10161/9880.

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<p>Two separate experimental searches for second-order weak nuclear decays to excited final states were conducted. Both experiments were carried out at the Kimballton Underground Research Facility to provide shielding from cosmic rays. The first search is for the two-neutrino double-beta decay of 96Zr to excited final states of the daughter nucleus, 96Mo. As a by product of this experiment, the beta decay of 96Zr was also investigated. Two coaxial high-purity germanium detectors were used in coincidence to detect gamma rays produced by the daughter nucleus as it de-excited to the ground state.
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Books on the topic "Spectroscopic final states"

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United States. National Aeronautics and Space Administration., ed. Spectroscopy of solid state laser materials: Final report. National Aeronautics and Space Administration, 1994.

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United States. National Aeronautics and Space Administration., ed. Spectroscopy of solid state laser materials: Final report. National Aeronautics and Space Administration, 1994.

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Nanny, Mark A., Roger A. Minear, and Jerry A. Leenheer, eds. Nuclear Magnetic Resonance Spectroscopy in Environment Chemistry. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195097511.001.0001.

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This book demonstrates the usefulness of NMR spectroscopy for a wide variety of applications in environmental science and technology. It contains a wealth of information relating to instrumentation, sample preparation, and data interpretation. The book is divided into three sections discussing contaminant interaction, solution and condensed-phase characterization, and nutrients and natural organic matter characterization. In addition to these in-depth chapters, an introductory overview provides the basic principles of solution and solid-state NMR spectroscopy. Each section also contains a disc
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Eland, John H. D., and Raimund Feifel. Introduction. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198788980.003.0001.

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After very brief historical notes, the basis of the TOF-PEPECO technique is explained and other techniques for spectra of doubly charged positive ions are described and compared with this modern method. The meaning of ionisation energies in the context of molecular double ionisation is discussed, with their relationship to electron orbital configurations. With the advent of photoelectron spectroscopy in the 1960s, new techniques allowed complete spectra of valence electron ionisations for each molecule to be revealed in a single measurement. The effects on the spectra of the different major pa
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Magee, Patrick, and Mark Tooley. Intraoperative monitoring. Edited by Jonathan G. Hardman. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199642045.003.0043.

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Chapter 25 introduced some basic generic principles applicable to many measurement and monitoring techniques. Chapter 43 introduces those principles not covered in Chapter 25 and discusses in detail the clinical applications and limitations of the many monitoring techniques available to the modern clinical anaesthetist. It starts with non-invasive blood pressure measurement, including clinical and automated techniques. This is followed by techniques of direct blood pressure measurement, noting that transducers and calibration have been discussed in Chapter 25. This is followed by electrocardio
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Book chapters on the topic "Spectroscopic final states"

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Hüfner, Stefan. "Core Levels and Final States." In Photoelectron Spectroscopy. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-09280-4_2.

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Hüfner, Stefan. "Charge-Excitation Final States: Satellites." In Photoelectron Spectroscopy. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-09280-4_3.

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Krishnan, Kannan M. "Bonding and Spectra of Molecules and Solids." In Principles of Materials Characterization and Metrology. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198830252.003.0003.

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The electronic structure of molecules includes electronic (2-10 eV, UV-Vis absorption), vibrational (10<sup>-2</sup> - 2 eV, infrared spectroscopy &amp; Raman scattering), and rotational (10<sup>–5</sup> – 10<sup>–3</sup> eV, microwave spectroscopy) energy levels that are probed by appropriate spectroscopy methods. Light, incident on a molecule or molecular solid, is either absorbed (IR, single photon, non-zero derivative of dipole moment), or elastically (Rayleigh) or inelastically (Raman, two-photon, non-zero derivative of the polarizability) scattered. Fourier transform infrared (FTIR) spectroscopy finds much use in materials characterization, including in studying the curing of polymer composites now incorporated in aircraft structures. When atoms form solids their electronic structure, particularly the energy levels of the outer electrons involved in the bonding, are significantly altered. Both occupied and unoccupied levels in solids are probed. Photoemission spectroscopy (PES) with X-rays (XPS) or ultraviolet light (UPS) incidence, and inverse PES probe occupied and unoccupied energy levels of surfaces, respectively. X-ray absorption spectroscopy (XAS) complements XPS, and probes unoccupied energy levels of solids. X-ray absorption near-edge structure (XANES) provides information on the final density of unoccupied states, the transition probabilities, and many body effects. Extended X-ray absorption fine structure (EXAFS) provides element-specific nearest neighbor distances and their coordination number.
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Conference papers on the topic "Spectroscopic final states"

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Uhl, Sebastian. "Diffractive Dissociation into Three-Pion Final States at COMPASS." In XV International Conference on Hadron Spectroscopy. Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.205.0087.

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Mitchell, Ryan. "PWA of 3π Final States and a Search for the π1(1600)". У HADRON SPECTROSCOPY: Eleventh International Conference on Hadron Spectroscopy. AIP, 2006. http://dx.doi.org/10.1063/1.2176527.

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Vagnoni, Vincenzo. "Studies of b hadron decays to charmless final states at LHCb." In XV International Conference on Hadron Spectroscopy. Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.205.0043.

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Gleason, Colin. "Studies of η(′)π final states using GlueX data". У The 18th International Conference on Hadron Spectroscopy and Structure (HADRON2019). WORLD SCIENTIFIC, 2020. http://dx.doi.org/10.1142/9789811219313_0024.

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Yu, Shanshan, Olivier Pirali, Takayoshi Amano та John Pearson. "FINAL RESULTS ON MODELING THE SPECTRUM OF AMMONIA 2ν2 AND ν4 STATES". У 71st International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2016. http://dx.doi.org/10.15278/isms.2016.ta06.

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Anderlini, Lucio. "Studies of b hadron decays to final states containing charmonia at LHCb." In XV International Conference on Hadron Spectroscopy. Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.205.0075.

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Kluge, Thomas. "Studies of heavy flavour production and the hadronic final state in high energy ep collisions." In HADRON SPECTROSCOPY: Eleventh International Conference on Hadron Spectroscopy. AIP, 2006. http://dx.doi.org/10.1063/1.2176511.

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Zachariou, Nicholas, Daniel P. Watts, and Yordanka Ilieva. "Study of Initial- and Final-state effects through polarisation Observables." In XVII International Conference on Hadron Spectroscopy and Structure. Sissa Medialab, 2018. http://dx.doi.org/10.22323/1.310.0147.

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Austregesilo, Alexander. "Partial-Wave Analysis of Centrally Produced Two-Pseudoscalar Final States in pp Reactions at COMPASS." In XV International Conference on Hadron Spectroscopy. Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.205.0102.

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Schlüter, Tobias, Volker Crede, Paul Eugenio та A. Ostrovidov. "Study of kaonic final states in π[sup −] p at 190 GeV". У HADRON 2009: Proceedings of the XIII International Conference on Hadron Spectroscopy. AIP, 2010. http://dx.doi.org/10.1063/1.3483372.

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Reports on the topic "Spectroscopic final states"

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Baral, Aniruddha, Jeffery Roesler, and Junryu Fu. Early-age Properties of High-volume Fly Ash Concrete Mixes for Pavement: Volume 2. Illinois Center for Transportation, 2021. http://dx.doi.org/10.36501/0197-9191/21-031.

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High-volume fly ash concrete (HVFAC) is more cost-efficient, sustainable, and durable than conventional concrete. This report presents a state-of-the-art review of HVFAC properties and different fly ash characterization methods. The main challenges identified for HVFAC for pavements are its early-age properties such as air entrainment, setting time, and strength gain, which are the focus of this research. Five fly ash sources in Illinois have been repeatedly characterized through x-ray diffraction, x-ray fluorescence, and laser diffraction over time. The fly ash oxide compositions from the sam
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