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Topic Area: Atomic Physics
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Displaying records 21 to 30 of 80 records.
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21. Energy Levels and Observed Spectral Lines of Neutral and Singly Ionized Titanium, Ti I and Ti II
Series: J. Phys. & Chem. Ref. Data (JPCRD)
Topic: Atomic Physics
Published: 1/12/2012
Author: Edward Barry Saloman
Abstract: The energy levels and observed spectral lines of neutral and singly ionized titanium atoms have been compiled. Tables of energy levels and spectral lines are generated for each stage. Experimental g-factors and leading percentages are included when ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909339

22. Exchange Asymmetry in Elastic Scattering of Electrons by Sodium Atoms
Topic: Atomic Physics
Published: 4/1/1988
Author: D H Oza
Abstract: Calculations of the exchange asymmetry in elastic scattering of electrons by sodium atoms are reported at incident electron energies of 10 and 54.4 eV. The close-coupling calculations are performed with the four lowest target states of the sodium ato ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620309

23. Fe xvii X-ray Line Ratios for Accurate Astrophysical Plasma Diagnostics
Topic: Atomic Physics
Published: 2/20/2011
Authors: John D Gillaspy, E. H. Silver, L. Tedesco, Joseph N Tan, Joshua M Pomeroy, J M Laming, G.-X. Chen, T. Lin
Abstract: New laboratory measurements of the Ne-like Fe xvii x-ray lines in the 15-17 Angstrom range are presented, along with new theoretical predictions. These results establish consistency between independent laboratories and opens the door to trustworthy ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903971

24. Femtotesla atomic magnetometry in a microfabricated vapor cell
Topic: Atomic Physics
Published: 12/20/2010
Authors: William C. Griffith, Svenja A Knappe, John E Kitching
Abstract: We describe an optically pumped ^u87^Rb magnetometer with 4.5 fT/Hz^u1/2^ sensitivity when operated in the spin-exchange relaxation free (SERF) regime. The magnetometer uses a microfabricated vapor cell, consisting of a cavity etched in a 1 mm thick ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906531

25. Feshbach resonances in ultracold gases
Topic: Atomic Physics
Published: 4/29/2010
Authors: Chin P. Cheng, R Grimm, Paul S Julienne, Eite Tiesinga
Abstract: Feshbach resonances are the essential tool to control the interaction between atoms in ultracold quantum gases. They have found manifold experimental applications, opening up the way to important breakthroughs. This Review gives a broad coverage of t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900970

26. High Current Monochromatic Electron Source for Polarized Electron-Atom Scattering
Topic: Atomic Physics
Published: 7/12/1985
Authors: C Feigerle, Daniel Thornton Pierce, A Seiler, Robert Celotta
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620246

27. Large Angle Superelastic Electron Scattering from Na(3P)
Topic: Atomic Physics
Published: 6/28/1987
Authors: Jabez J McClelland, Michael H Kelley, Robert Celotta
Abstract: Measurements of superelastic scattering of 2eV electrons from oriented Na(3P) atoms have been carried out over the angular range 10 to 120{degree}. Results are presented in terms of L^d{perp}^, the angular momentum transferred perpendicular to the s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620291

28. Laser Photodetachment Determination of the Electron Affinities of OH, NH^d2^, NH, SO^d2^, and S^d2^
Topic: Atomic Physics
Published: 3/1/1974
Authors: Robert Celotta, R Bennett, John L. Hall
Abstract: ^d^^d^^d^ Using a fixed frequency argon ion laser, we have studied the energy spectra of electron photodetached from OH^u-^, NH^d2^^u-^, NH^u-^, SO^d2^^u-^, and S^d2^^u-^. We determined the following electron affinities: E^dA^(OH) = 1.829^u+0.010^^d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620073

29. Lattice Interferometer for Ultra-Cold Atoms
Topic: Atomic Physics
Published: 8/11/2009
Authors: Mikkel Andersen, Tycho Sleator
Abstract: We demonstrate an atomic interferometer based on ultra-cold atoms released from an optical lattice. This technique yields a large improvement in signal to noise over a related interferometer previously demonstrated. The interferometer involves diff ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=842609

30. Low-Frequency Characterization of MEMS-Based Portable Atomic Magnetometer
Topic: Atomic Physics
Published: 6/2/2010
Authors: Rahul R. (Rahul) Mhaskar, Svenja A Knappe, John E Kitching
Abstract: Atomic magnetometers based on absorption or polarization rotation of light in an alkali vapor have recently demonstrated sensitivities rivaling those of superconducting quantum interference devices (SQUIDs). Miniaturization of such devices containing ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906104



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