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  • 1985-1989  (2)
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  • 1
    ISSN: 1434-601X
    Keywords: 29.25.-t ; 29.75.+ x ; 34.50.Fa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Nuclear polarization of the 7/2− ground-state of51V was produced via the Multi-Tilted-Foil (MTF) interaction with a V beam. The induced polarization was determined by measuring the left-right asymmetry of Coulomb excited51V nuclei and, for a51V beam at E=100 MeV, was measured to beP I =0.012(2). The nuclear polarization was also induced atE=50 MeV and, after further acceleration, determined at E=195 MeV to be PI=0.010(1). These experiments demonstrate the feasibility of polarizing a great variety of heavy-ion beams at arbitrary velocities with subsequent acceleration and passage through magnetic beam-optics elements. Such polarization, albeit small, can be utilized for the determination of electromagnetic moments of exotic beams and separated reaction products.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1434-601X
    Keywords: 25.70.Cd
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A study of few nucleon transfer reactions in conjunction with Coulomb excitation was performed by bombarding a232Th target with90Zr projectiles at incident energies close to the Coulomb barrier. Particle-γ coincidence techniques using the Heidelberg-Darmstadt Crystal Ball were employed to select excited states of reaction products. Around the grazing angle roughly 2/3 of the total cross section goes into transfer channels, half of it formed by 1n...4n transfer. The enhancement of the 2n cross section is in accord with a sequential process with a highly excited intermediate state. A correlated pair transfer directly populating yrast states appears to be negligibly small. The excitation energy is almost equally distributed upon the outgoing reaction partners for the 1n channel and there are indications for a similar behaviour of the 2n channel.
    Type of Medium: Electronic Resource
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