Hexa(organylsilsesquioxanes)

Basenko, S. V.; Maylyan, A. A.

doi:10.1007/s11172-016-1409-9

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Cited by 3 publications

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“…The main obstacle in previous unsuccessful attempts for the experimental discovery of the γγ/γ-decay has always been the background stemming from the presence of the typically much more likely and hence much more abundant single-γ decays, e.g. [13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

First observation of the competitive double-gamma (“γγ/γ”) decay process

Pietralla

Walz

Scheit

et al. 2016

EPJ Web of Conferences

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Abstract. First observation of the competitive double-γ decay process is presented. It is a second-order electromagnetic decay mode. The 662-keV decay transition from the 11/2 − isomer of 137 Ba to its ground state proceeds at a fraction of 2 × 10 −6 by simultaneous emission of two γ quanta instead of one. The observed angular correlation and energy distribution of coincident γ quanta are well described by a dominant M2 − E2 and a minor E3 − M1 contribution to the double-γ decay branch. The data were well accounted for by a calculation using the Quasiparticle Phonon Model.

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Section: Introductionmentioning

confidence: 99%