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Elementary quantum mechanics of particle- rotor coupling: K = ½ bands.

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Presentation on theme: "Elementary quantum mechanics of particle- rotor coupling: K = ½ bands."— Presentation transcript:

1 Elementary quantum mechanics of particle- rotor coupling: K = ½ bands

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3 Particle-rotor coupling in K = ½ bands: influence of “decoupling”--1

4 Particle-rotor coupling in K = ½ bands: influence of “decoupling”--2

5 Nuclear structure from (multi)nucleon transfer reaction spectroscopy

6 One-nucleon transfer reactions in deformed nuclei: rotational band “fingerprints” J. Sterba et al., Czech J Phys B26 753 1976 161 Tb

7 Nilsson states: the Fermi energy is not “sharp” because of pairing correlations 163 Dy N = 97 164 Dy(d,t) 163 Dy 162 Dy(d,p) 163 Dy PR 154 1146 1967

8 Nilsson states: the Fermi energy is not “sharp” because of pairing correlations 163 Dy N = 97 (d,t) (d,p) PR 154 1146 1967 523 5/2 521 3/2 642 5/2 521 1/2 633 7/2 Syst. ~455 keV

9 Occupancies, V 2 and vacancies, U 2 for selected Nilsson orbitals in the Yb isotopes From Burke et al., Mat. Fys. Medd. 35, no. 2 1966 Yb isotopes

10 The way that pairing modifies the sharp Fermi surface of the shell model Occupancies of shell model states as a function of energy (a). Without a pairing force-- the Fermi surface is sharp (b). With a pairing force-- the pairing force is said to “smear-out” the occupancies. Occupancies of shell model states as a function of energy (a). Without a pairing force-- the Fermi surface is sharp (b). With a pairing force-- the pairing force is said to “smear-out” the occupancies. Rowe & Wood Fig. 6.20


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