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Submitted on 1 Jan 1988
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VUV SPECTRA Y TO Mo
M. Chaghtai
To cite this version:
M. Chaghtai. VUV SPECTRA Y TO Mo. Journal de Physique Colloques, 1988, 49 (C1), pp.C1-239-
C1-239. �10.1051/jphyscol:1988149�. �jpa-00227469�
JOURNAL DE PHYSIQUE
Colloque C1, Supplement au n03, Tome 49, Mars 1988
V W SPECTRA Y TO Mo
M.S.Z. CHAGHTAI
Physics Department, AMU, Aligarh-202001. India
Using R.D. Cowan's computations (1979) and parametric c a l c u l a t i o n s of Weinders e t a 1 (19821, o l d analyses are thoroughly r e v i s e d and extended a t Aligarh, of
zr
111 by Khan e t a 1 (1981), of Wb I V by Shujauddin e t Chaghtai (1985). of I-10 V by Tauheed a t a 1 (1985).Cabeza e t a 1 (1986) confirmed t& l a s t one l a r g e l y . Rb I-Sequence
Extensive s t u d i e s have been r e p o r t e d of t h e 1-e s p e c t r a , Z r I V (Rahimullah e t a 1 1980; Acquista and Xeader 1980), Nb V (Shujauddin e t a 1 1982; Xagan e t a 1 1981) and M o V I ( ~ d l i n e t a 1 1985). Some i n t e - r a c t i n g 4p5 4d 2 l e v e l s
of t h e s e s p e c t r a have been r e p o r t e d from o u r l a b o r a t o r y , a l s o .
Kr I-Sequence
D e t a i l e d s p e c t r a l a n a l y s e s of t r e n s i t i o n s betwaen e x c i t a d s t a t e s have f u r n i s h e d c ~ m p l e t e energy values f o r J
#
1 l e v e l s of t h e s e s p e c t r a d u r i n g 1970s and 80s.Shujauddin e t a 1 (1982) have worked o u t ?.lb V I and Tauheed e t a 1 (1984) Mo V I I from o u t l a b , while Khan e t a 1 (1981) s h a r e t h e work on Zr V with Reader and Acquista (1979).
B r I-Sequence
The 4p ns,nd l e v e l s of t h e s e s p e c t r a were amply 4
i n v e s t i g a t e d through 'resonance t r a n s i t i o n s ' i n l a t e 60s and e a r l y 70s. E f f o r t s t o extend work on 4p 4f and 5p a r e 4 proving very d i f f i c u l t beca:ise of very s t r o n g mixing with l e v e l s of 4s l t p 4d and 5s 5 (Y V I : Persscn and Reader 1986).
Article published online by EDP Sciences and available at http://dx.doi.org/10.1051/jphyscol:1988149