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61. Standardization of Broadband UV Measurements
Topic: Physics
Published: 1/1/2013
Author: George P Eppeldauer
Abstract: The CIE standardized rectangular-shape UV response functions can be realized only with large spectral mismatch errors. The spectral power-distribution of UV sources is not standardized. Accordingly, the readings of different types of UV meters, even ...

62. Ultrafast element-specific magnetization Dynamics of complex magnetic materials on a table-top
Topic: Physics
Published: 12/21/2012
Authors: Thomas J Silva, Justin M Shaw, Hans Toya Nembach, Chan La-O-Vorakiat, Henry C. Kapteyn, Margaret M. Murnane, Stefan Mathias, Roman Adam, Patrik Grychtol, Martin Aeschlimann, Claus M. Schneider, Emrah Turgut, Dennis Rudolf
Abstract: We review recent progress in femtosecond magnetization dynamics probed by extreme ultraviolet pulses from high-harmonic generation. In a transverse magneto-optical Kerr geometry, we establish an ultrafast, element-specific experimental capability - ...

63. Preface to Proceedings of the International Conference Quantum Theory: Reconsideration of Foundations-6 (QTRF6) held in Vaxjo, Sweden, 11-14 June 2012
Topic: Physics
Published: 12/18/2012
Authors: Harald Atmanspacher, Andrei Khrennikov, Alan L Migdall, Sergey V Polyakov
Abstract: A wide spectrum of topics was presented in talks at this conference: quantum foundations (especially, Heisenberg's uncertainty relation and its generalizations) and information, mathematical formalism of quantum theory, philosophy, methodology of m ...

64. Infrared Spectra of Products of the Reaction of H Atoms with O2 Trapped in Solid Neon. HO2, HO2+, HOHOH-, and H2O(HO)
Topic: Physics
Published: 12/7/2012
Authors: Marilyn E Jacox, Warren Elwin Thompson
Abstract: When a Ne:O2 mixture is codeposited at 4.3 K with a Ne:H2 mixture that has been passed through a microwave discharge, the infrared spectrum of the resulting deposit includes prominent absorptions of the three vibrational fundamentals of HO2 and seven ...

65. Single bead detection with a NMR micro capillary probe
Topic: Physics
Published: 12/6/2012
Authors: Yoshihiro Nakashima, Michael A Boss, Stephen E Russek, John M Moreland
Abstract: We have developed a nuclear magnetic resonance (NMR) microcapillary probe for the detection of single magnetic microbeads. The geometry of the probe has been optimized so that the signal from the background water has a similar magnitude compared to t ...

66. In Search of a New Primary GPS Receiver for NIST
Topic: Physics
Published: 11/26/2012
Author: Marc Abbott Weiss
Abstract: A previous publication showed problems with the current NIST Time and Frequency Division primary GPS receiver [1] when used for Precise Point Positioning (PPP)-based carrier phase time transfer. We confirm that, for this receiver, boundary discontinu ...

67. Infrared hemispherical reflectance of carbon nanotube mats and arrays in the 5 µm to 50 µm wavelength region
Topic: Physics
Published: 11/1/2012
Authors: Chris Chunnilall, Aric Warner Sanders, John H Lehman, Evangelos Theocharous
Abstract: We present the absolute infrared (5 {u}m to 50 {u}m) hemispherical reflectance of films produced from commercially available carbon nanotubes. Data were obtained using the upgraded NPL directional- hemispherical reflectance measurement facility. A b ...

68. Interstellar Carbodiimide (HNCNH) - A New Astronomical Detection from the GBT PRIMOS Survey via Maser Emission Features
Topic: Physics
Published: 10/1/2012
Authors: Brett A. McGuire, Ryan A. Loomis, Cameron M. Charness, Geoffery A. Blake, Jan M. Hollis, Francis John Lovas, Philip R. Jewell, Anthony J. Remijan
Abstract: Historically, searches for new astronomical molecules resulted in the detection of favorable, high line strength transitions based on a thermal approximation to the excitation of these species in interstellar environments. Given the temperatures of ...

69. Multiexciton dynamics in infrared-emitting colloidal nanostructures probed by a superconducting nanowire single-photon detector
Topic: Physics
Published: 9/30/2012
Authors: Richard L Sandberg, Lazaro A. Padilha, Mumtaz Qazilbash, Wan Ki Bae, Richard D. Schaller, Jeffrey M. Pietryga, Martin J Stevens, Burm Baek, Sae Woo Nam, Victor I. Klimov
Abstract: Carrier multiplication (CM) is the process in which absorption of a single photon produces multiple electron-hole pairs. Here, we evaluate the effect of particle shape on CM efficiency by conducting a comparative study of spherical nanocrystal qu ...

70. Performance of the NIST goniometer with a broad-band source and multichannel CCD based spectrometer
Topic: Physics
Published: 9/20/2012
Authors: Vyacheslav B Podobedov, Maria E Nadal, Carl C Miller

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