Exotic Nuclear Excitations: The Transverse Wobbling Mode in 135 Pr

The work presented in this thesis established the existence of wobbling at low spin and low deformation in the Z~60, N~76 nuclear region. This opens the region to further searches for wobbling and shows that wobbling is not confined to a particular quasiparticle orbital, spin or deformation. While d...

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Λεπτομέρειες βιβλιογραφικής εγγραφής
Κύριος συγγραφέας: Matta, James Till (Συγγραφέας)
Συγγραφή απο Οργανισμό/Αρχή: SpringerLink (Online service)
Μορφή: Ηλεκτρονική πηγή Ηλ. βιβλίο
Γλώσσα:English
Έκδοση: Cham : Springer International Publishing : Imprint: Springer, 2017.
Σειρά:Springer Theses, Recognizing Outstanding Ph.D. Research,
Θέματα:
Διαθέσιμο Online:Full Text via HEAL-Link
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245 1 0 |a Exotic Nuclear Excitations: The Transverse Wobbling Mode in 135 Pr  |h [electronic resource] /  |c by James Till Matta. 
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505 0 |a Introduction -- Nuclear models for high spin phenomena -- Experimental methods -- Transverse wobbling in 135pr -- Summary and outlook -- Gammasphere ring and detector information -- Inga ring and detector information -- Negative parity level and transition information. 
520 |a The work presented in this thesis established the existence of wobbling at low spin and low deformation in the Z~60, N~76 nuclear region. This opens the region to further searches for wobbling and shows that wobbling is not confined to a particular quasiparticle orbital, spin or deformation. While deformed nuclei usually have axial shape, triaxial shapes have been predicted at low to moderate spins in certain regions of the nuclear chart (e.g. Z~60, N~76 and Z~46, N~66). Observation of one of the fingerprints of triaxiality, chirality and wobbling, guarantees that the nucleus is axially asymmetric. While chirality has been observed in numerous nuclei from many regions of the nuclear chart, wobbling, prior to this work, had only been observed at high spins in super deformed bands in five nuclei confined to the Z~70, N~90 region. Additionally, this dissertation establishes a new interpretation for the wobbling phenomenon. It shows for the first time that the nucleon aligns to the short axis, which explains the decrease in wobbling energies with angular momentum seen on this and all previous wobbling nuclei while still explaining the observed B(E2out)B(E2in) ratios. This is a new phenomenon, which is in contrast to the increase of the wobbling energies predicted by Bohr and Mottelson. 
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650 0 |a Nuclear physics. 
650 0 |a Heavy ions. 
650 0 |a Hadrons. 
650 0 |a Spectroscopy. 
650 0 |a Microscopy. 
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650 2 4 |a Nuclear Physics, Heavy Ions, Hadrons. 
650 2 4 |a Spectroscopy and Microscopy. 
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