<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Si</mml:mi><mml:mprescripts /><mml:none /><mml:mn>25</mml:mn></mml:mmultiscripts><mml:mspace width="4pt" /><mml:msup><mml:mi>β</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math> -decay spectroscopy

Heavy Quark Spectroscopy and Decay

Multi-coincidence spectroscopy on interatomic Coulombic decay

The inner-shell ionized states in matter are subject to Auger decay. Auger spectra are considered as fingerprint images of the atom where the inner-shell hole is created. About a decade ago, Cederbaum and coworkers [1] proposed a new mechanism of electronic decay where the environment plays a role. For an isolated atom or molecule with an innervalence vacancy, Auger decay is often energetically...

Spectroscopy of element 115 decay chains.

A high-resolution α, x-ray, and γ-ray coincidence spectroscopy experiment was conducted at the GSI Helmholtzzentrum für Schwerionenforschung. Thirty correlated α-decay chains were detected following the fusion-evaporation reaction 48Ca + 243Am. The observations are consistent with previous assignments of similar decay chains to originate from element Z=115. For the first time, precise spectrosc...

Recent results of decay spectroscopy at RIBF

The nucleus is an isolated quantum system which consists of a finite number of fermions. A nucleus has a defined surface due to its finite volume, giving rise to a variety of nuclear shapes and dynamics depending on the interactions between the constituent protons and neutrons. Such shape-transitional behavior of atomic nuclei has been one of the major subjects explored in both experimental and...

Diagnosis of Tooth Decay Using Polarized Micro-raman Confocal Spectroscopy

The tooth enamel presents a Raman spectrum with strong polarization anisotropy. Carious lesions of the enamel will produce an alteration of local symmetry. This will reduce the anisotropy of the Raman spectra. Thus micro-Raman polarized spectroscopy could be a used in early detection of teeth caries.