J/A+A/551/A136 Transition probabilities in TeII + TeIII spectra (Zhang+, 2013)
Transition probabilities in Te II and Te III spectra.
Zhang W., Palmeri P., Quinet P., Biemont E.
<Astron. Astrophys. 551, A136 (2013)>
=2013A&A...551A.136Z 2013A&A...551A.136Z
ADC_Keywords: Atomic physics
Keywords: atomic data - atomic processes
Abstract:
Due to the need of transition probabilities for heavy ions, including
those of tellurium, in different fields of physics and in
astrophysics, we have investigated theoretically the atomic structure
of two selected tellurium ions (Te+ and Te++) for which no theoretical
data were available so far.
The first transition probabilities have been calculated for the
electric dipole (E1) transitions with wavelengths shorter than 1
micrometer in Te II-III.
Both the multiconfiguration Dirac-Hartree-Fock (MCDHF) method and the
relativistic Hartree-Fock (HFR) approach, in which core-polarization
(CPOL) effects were included, have been used for the calculations.
Results. The results obtained with these two completely independent
methods are in reasonable agreement. As a consequence, the transition
probabilities obtained in this work are expected to be reliable. They
fill in a gap concerning the radiative parameters in these two ions.
Description:
Computed weighted oscillator strengths (loggf) and transition
probabilities (gA) for Te II (Table 8) and Te III (Table 9).
Transitions with wavelengths <1um, loggf>-1 and CF>0.05 are only
quoted. Air wavelengths are given above 200 nm. In Table 8 the levels
are taken from Kamida et al (Kamida, A., Ralchenko, Yu., Reader, J.,
and NIST ASD Team (2012). NIST Atomic Spectra Database (ver. 5.0),
[Online]. Available: http://physics.nist.gov/asd [2012, September 20].
National Institute of Standards and Technology, Gaithersburg, MD.). In
Table 9 the levels are those given in Tauheed & Naz (Tauheed, A., Naz,
A. 2011, Journal of the Korean Physical Society 59, 2910) with the
exceptions of the 5p6p levels which were taken from Kramida et al. The
wavelengths were computed from the experimental levels of Kramida et
al and Tauheed & Naz.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table8.dat 82 439 Transition probabilities in TeII
table9.dat 82 284 Transition probabilities in TeIII
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Byte-by-byte Description of file: table8.dat table9.dat
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Bytes Format Units Label Explanations
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1- 8 F8.4 nm lambda [52/999] Wavelength
10- 19 F10.3 cm-1 Elo Lower level energy
21- 33 A13 --- CFlo Lower level configuration
35- 37 F3.1 --- Jlo [0/6] Lower level total angular quantum number
39- 48 F10.3 cm-1 Eup Upper level energy
51- 63 A13 --- CFup Upper level configuration
65- 67 F3.1 --- Jup [0/6] Upper level total angular quantum number
69- 73 F5.2 [-] loggf Oscillator strength
75- 82 E8.2 s-1 gA gA value
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Acknowledgements:
Patrick Palmeri, patrick.palmeri(at)umons.ac.be
(End) Patrick Palmeri [UMONS], Patricia Vannier [CDS] 11-Feb-2013