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Displaying 351 - 375 of 390

Towards the optical second: verifying optical clocks at the SI limit

April 11, 2019
Author(s)
William F. McGrew, Xiaogang Zhang, Robert J. Fasano, Holly Leopardi, Daniele Nicolodi, Kyle P. Beloy, Jian Yao, Jeffrey A. Sherman, Stefan A. Schaeffer, Joshua J. Savory, Stefania Romisch, Christopher W. Oates, Thomas E. Parker, Tara M. Fortier, Andrew D. Ludlow
… secondary frequency standards. Our measurements consist of 79 runs spanning eight months, yielding the absolute … X 10 −7 and a drift with respect to time of υ/υ = (5.3 ± 6.5) X 10 −17 ∕yr. …

The 2017 NIST Language Recognition Evaluation

June 26, 2018
Author(s)
Seyed Omid Sadjadi, Timothee N. Kheyrkhah, Audrey N. Tong, Craig S. Greenberg, Douglas Reynolds, Elliot Singer, Lisa Mason, Jaime Hernandez-Cordero
… four-month long valuation and, combined, they submitted 79 valid systems to be evaluated. This paper presents an …

Order-Disorder Transitions and Superionic Conductivity in the Sodium Nido-Undeca(carba)borates

December 26, 2017
Author(s)
Wan Si NMN Tang, Mirjana NMN Dimitrievska, Vitalie Stavila, Wei Zhou, Hui Wu, A. Alec Talin, Terrence J. Udovic
The salt compounds NaB 11H 14, Na-7-CB 10H 13, Li-7-CB 10H 13, Na-7,8-Cd2^B 9H 12, and Na-7,9-C 2B 9H 12 all contain geometrically similar, monocharged, nido-undeca(carba)borate anions (i.e., truncated icosohedral-shaped clusters constructed of only eleven

Large Anomalous Hall Effect in a Half-Heusler Antiferromagnet

December 1, 2016
Author(s)
T. Suzuki, Robin Michael Daub Chisnell, A. Devarakonda, Y.-T. Liu, W. Feng, D. Xiao, Jeffrey W. Lynn, J. G. Checkelsky
… origin of the anomalous [3,4] and spin Hall effects [5,6], including their quantized limits [7,9]. Theoretical and …

A Shock Tube Study of H Addition to Cyclopentene

February 1, 2018
Author(s)
Jeffrey A. Manion, Iftikhar A. Awan
… exp(1819 K/T), and, with k(H+135TMB → m-xylene+methyl) = 6.76 x 1013exp(-3255 K/T ) cm3mol-1s-1, we obtain: k(H + cyclopentene → ethylene + allyl) = 4.79 x 1013 exp(-1435 K/T) cm3mol-1s-1 Using experimental … K has been derived as k∞(H+cyclopentene → cyclopentyl) = 6.04 x 1013 exp(-1391 K/T) cm3mol-1s-1 Combined with …
Displaying 351 - 375 of 390
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