Lifetime of the 161-KEV excited state in Sn117
โ Scribed by F.R. Metzger
- Publisher
- Elsevier Science
- Year
- 1960
- Tongue
- English
- Weight
- 221 KB
- Volume
- 270
- Category
- Article
- ISSN
- 0016-0032
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โฆ Synopsis
Using the thermal resonance fluorescence method, the mean life of the 161-kev M1 transition in Sn u7 has been measured as (5.7L]:~) X 10 -1ยฐ second. In arriving at this value, a total conversion coefficient /3T = 0.15 was assumed.
๐ SIMILAR VOLUMES
The lluorescencc fiferimes and quantum yields of the S2 state of xantbionc in benzene and isoloctanc sotution at room temperature have been mcnsurcd. The Sz iifctimn wcrc found to bc I8 2 2 ps in bcnzcnc and 43 % 'I! ps in iso-ocrane. The non-radiative decay rate constant is 5.6 x lO'\* s-l in benz
The first excited triplet state of dimesitylcarbene has been generated in solution at room temperature. It has a lifetime of 60 ns and shows fluorescence with A mp~ = 501 nm and absorption with A,,. = 360 nm. This species is quenched by oxygen and carbon tetrachloride with rate constants of (4.4kO.8
Abwlute lifetimes of excited states cf D,O' and OD+ have been directly measured using the high frequency deflcction technique. Separate relative measurements show that the D23+ and OD+ lifetimes are 13-W ionger than those of H\*O+ and OH+ in the Sdme vibrational levels ' CHEMICAL PHYSICS LETTERS