scholarly journals Communication: Direct measurements of nascent O(3P0,1,2) fine-structure distributions and branching ratios of correlated spin-orbit resolved product channels CO(ã3Π; v) + O(3P0,1,2) and CO(X̃Σ+1; v) + O(3P0,1,2) in VUV photodissociation of CO2

2014 ◽  
Vol 140 (23) ◽  
pp. 231101 ◽  
Author(s):  
Zhou Lu ◽  
Yih Chung Chang ◽  
Hong Gao ◽  
Yanice Benitez ◽  
Yu Song ◽  
...  
Keyword(s):  
Fine Structure ◽  
Branching Ratios ◽  
Spin Orbit ◽  
Direct Measurements

Laser cooling of copper monofluoride: a theoretical study including spin–orbit coupling

RSC Advances ◽  
2016 ◽  
Vol 6 (102) ◽  
pp. 100568-100576 ◽  
Author(s):  
Mingkai Fu ◽  
Jianwei Cao ◽  
Haitao Ma ◽  
Wensheng Bian
Keyword(s):  
Laser Cooling ◽  
Theoretical Study ◽  
Branching Ratios ◽  
Orbit Coupling ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Coupling Effects ◽  
Radiative Lifetimes

A laser cooling scheme is proposed for CuF by including the spin–orbit coupling effects, and based on our calculated radiative lifetimes and vibrational branching ratios.

scholarly journals Giant Collective Spin-Orbit Field in a Quantum Well: Fine Structure of Spin Plasmons

2012 ◽  
Vol 109 (16) ◽  
Author(s):  
F. Baboux ◽  
F. Perez ◽  
C. A. Ullrich ◽  
I. D’Amico ◽  
J. Gómez ◽  
...  
Keyword(s):  
Fine Structure ◽  
Quantum Well ◽  
Spin Orbit

scholarly journals Four direct measurements of the fine-structure constant 13 billion years ago

2020 ◽  
Vol 6 (17) ◽  
pp. eaay9672 ◽  
Author(s):  
Michael R. Wilczynska ◽  
John K. Webb ◽  
Matthew Bainbridge ◽  
John D. Barrow ◽  
Sarah E. I. Bosman ◽  
...  
Keyword(s):  
Fine Structure ◽  
Temporal Change ◽  
Structure Constant ◽  
Fine Structure Constant ◽  
Analysis Method ◽  
Weighted Mean ◽  
Near Ir ◽  
Very Large Telescope ◽  
Direct Measurements ◽  
The Universe

Observations of the redshift z = 7.085 quasar J1120+0641 are used to search for variations of the fine structure constant, a, over the redshift range 5:5 to 7:1. Observations at z = 7:1 probe the physics of the universe at only 0.8 billion years old. These are the most distant direct measurements of a to date and the first measurements using a near-IR spectrograph. A new AI analysis method is employed. Four measurements from the x-shooter spectrograph on the Very Large Telescope (VLT) constrain changes in a relative to the terrestrial value (α0). The weighted mean electromagnetic force in this location in the universe deviates from the terrestrial value by Δα/α = (αz − α0)/α0 = (−2:18 ± 7:27) × 10−5, consistent with no temporal change. Combining these measurements with existing data, we find a spatial variation is preferred over a no-variation model at the 3:9σ level.

Elektronische und Resonanz-Raman-Spektren der Chloro-Bromo-Ruthenate(IV), [RuClnBr6-n]2-, n = 0 ... 6

1987 ◽  
Vol 42 (6) ◽  
pp. 597-602
Author(s):  
H. N. v. Allwörden ◽  
W. Preetz
Keyword(s):  
Fine Structure ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Tetraalkylammonium Salts ◽  
Ground Term ◽  
Point Groups ◽  
Resonance Raman Spectra ◽  
And Shifts ◽  
Electronic Resonance ◽  
Polarisation Measurements

The vibrational and electronic resonance Raman spectra of the solid tetraalkylammonium salts of [RuClnBr6-n]2-, n = 0 . . . 6, are measured at 80 K. The observed electronic Raman bands in the regions of 640-740 cm-1 and 1560-1790 cm-1 are assigned to the intraconfigurational transitions Γ1 → Γ4 and Γ1 → Γ3, Γ5 within the 3T1g(Oh) ground term. The observed splittings and shifts, due to spin orbit coupling and lowered symmetry, are interpreted qualitatively according to the point groups D4h, C4V, C3V and C2V. The O-O-transitions are deduced from vibrational fine structure. The electronic Raman bands of [RuCl6]2- and [RuBr6]2- are assigned in detail by polarisation measurements.

Study on the Absorption Spectra of Ga2Se3:Co2+ Single Crystals

2009 ◽  
Vol 64 (12) ◽  
pp. 834-836
Author(s):  
Chao Ni ◽  
Yi Huang ◽  
Maolu Du
Keyword(s):  
Experimental Data ◽  
Fine Structure ◽  
Bond Length ◽  
Single Crystals ◽  
Crystal Field ◽  
Energy Levels ◽  
Crystal Field Parameter ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Cubic Crystal

Introducing the average covalent factor N and considering the interaction of the cubic crystal field, the spin-orbit coupling and Tree’s correction effects, the crystal field parameter Dq was calculated. Also the varying tendency of Dq with the bond length R was investigated. Using the complete diagonalizing method the energy levels of the fine structure of Ga2Se3:Co2+ single crystal were calculated and assigned. The calculated and assigned results are consistent with the experimental data

scholarly journals Correlated fine structure branching ratios arising from state-selected predissociation of ClO (A2Π3/2)

2009 ◽  
Vol 11 (23) ◽  
pp. 4770 ◽  
Author(s):  
Kristin S. Dooley ◽  
Michael P. Grubb ◽  
Justine Geidosch ◽  
Marloes A. van Beek ◽  
Gerrit C. Groenenboom ◽  
...  
Keyword(s):  
Fine Structure ◽  
Branching Ratios
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