نتایج جستجو برای: excited state
تعداد نتایج: 878944 فیلتر نتایج به سال:
Double-Beta Decay) Double-Beta Decay of Nd to Excited Final States
# These authors contributed equally to this work and should be considered co-first authors.
Irradiation of &methyl spiro [2.5] oct-7-en-4-one through its singlet excited state resulted in the formation of 4-methyl spirO [2.5] oct-4-en -6-one. We have used the cyclopropyl moiety in the molecule as a probe to study the operating mechanism in the photochemistry of ?, ?-unsaturated compounds. The results showed that this photoisomerization probably occurs through a concerted process.
The time evolution of excited nuclei, which are in equilibrium with the surrounding vapour, is investigated. It is shown that the nite nuclear systems undergo a rst order phase transition. The caloric curve is presented for excited 16 O, 24 Mg, 27 Al and 40 Ca and the critical temperature is estimated for 16 O.
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