Lifetimes of some highly excited levels in the Pb-I spectrum measured by the Hanle method

Garpman, S (author): Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH

Lido, G (author)

Rydberg, S (author)

Svanberg, Sune (author): Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH

(creator_code:org_t)

1971
1971
English.
In: Zeitschrift für Physik A Hadrons and Nuclei. - 0939-7922. ; 241:3, s. 217-235

Related links:: http://dx.doi.org/10...; show more...; https://lup.lub.lu.s...; https://doi.org/10.1...; show less...

Abstract Subject headings

Natural lifetimes of some highly excited levels in the Pb-I spectrum have been measured by the zero field level crossing (Hanle) method. The levels were reached by optical excitation from the metastable 6p2 3P2 and 6p2 3P1 states, were a considerable population had been created by means of adc discharge in a Pb atomic beam. An atomic beam source producing atoms in metastable states is described. For the lifetimes t of the investigated levels we find:t(6p(1/2)6d3D1)=3.74(28) ns,t(6p(1/2)6d3F2)=25.8(1.3) ns,t(6p(1/2)6d3D2)=4.17(-31)(-49) ns,t(6p(1/2)6d3F3)=6.08(26) ns,t(6p(3/2)7s)3P2=5.85(27) ns. These results are compared with lifetimes derived from oscillator strengths given in the literature.

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Atom and Molecul ...

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