NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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References and Notes for Krypton ( Kr )



  Ref. ID   Reference 
     
BHU02  F. Brandi, W. Hogervorst, and W. Ubacks, J. Phys. B 35, 1071 (2002). Comparisons of three 86Kr I levels as determined by these authors with the corresponding 86Kr level values in [K93] and [SM91] give a correction of 0.0121(12) cm-1 for the previous connection of the excited levels to the ground level. We have applied this correction to the 84Kr I excited levels in [K93].
  
DHM33  T. L. de Bruin, C. J. Humphreys and W. F. Meggers, J. Res. Natl. Bur. Stand. (U.S.) 11, 409 (1933). 
  
FW96   J. R. Fuhr and W. L. Wiese, NIST Atomic Transition Probability Tables, CRC Handbook of Chemistry & Physics, 77th Edition, D. R. Lide, Ed., CRC Press, Inc., Boca Raton, FL (1996). 
  
HP70a  C. J. Humphreys and E. Paul, Jr., J. Opt. Soc. Am. 60, 200 (1970). These authors give four or five place Kr II wavelengths of the 86Kr isotope. We have rounded the values to three decimals to be more in accordance with their probable accuracies when used as wavelengths for a natural Kr isotopic mixture.
  
HPCA67 C. J. Humphreys, E. Paul, Jr., R. D. Cowan, and K. L. Andrew, J. Opt. Soc. Am. 57, 855 (1967). 
  
K93    V. Kaufman, J. Res. Natl. Inst. Stand. Tech. 98, 717 (1993). We give Kr I wavelengths and energy levels as obtained for the 84Kr isotope because these values are close to the center-of-gravity values for a mixture of the natural isotopic abundances. The values of the 84Kr I excited levels have here been increased by 0.0121 cm-1 [BHU02]. For the Kr I resonance lines (945-1236 Å), we list Ritz wavelengths obtained from the adjusted 84Kr I levels. The 84Kr I levels needed for five of these lines were not included in [K93]; we obtained values (not tabulated) for these levels by using adjusted 86Kr level values and 84Kr - 86Kr isotope shifts as estimated from related data in [K93].
  
KH69   V. Kaufman and C. J. Humphreys, J. Opt. Soc. Am. 59, 1614 (1969). These Kr I wavelengths are Ritz values from 86Kr I energy levels; no comparably accurate values have been determined for either 84Kr or natural Kr. We have rounded off the original four- or five-place wavelengths to three places and most of the original three-place values to two places. These 86Kr I wavelengths may still differ from the natural Kr values by a few units or more in the last decimal place retained by us.
  
M00    D. C. Morton, Astrophys. J. Suppl. Ser. 130, 403 (2000). 
  
MSP69  L. Minnhagen, H. Strihed, and B. Petersson, Ark. Fys. 39, 471 (1969). 
  
RCWM80 J. Reader, C. H. Corliss, W. L. Wiese, and G. A. Martin, Natl. Stand. Ref. Data Ser., Natl. Bur. Stand. (U.S.) 68 (1980). 
  
SM91   J. Sugar and A. Musgrove, J. Phys. Chem. Ref. Data 20, 861 (1991). This compilation gives three-place values for the Kr II 4p4(3P)5s and 5p levels as determined for 86Kr [HP70a]. These values have been rounded to two places here.
  
YG94   S. Yoon and W. L. Glab, J. Phys. B 27, 1433 (1994).