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  • 1
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    Fusion of ^{124,132}Sn with ^{40,48}Ca (2012)
    American Physical Society (APS)
    Details
    Publikationsdatum: 2012-05-03
    Beschreibung: Author(s): J. J. Kolata, A. Roberts, A. M. Howard, D. Shapira, J. F. Liang, C. J. Gross, R. L. Varner, Z. Kohley, A. N. Villano, H. Amro, W. Loveland, and E. Chavez Fusion excitation functions for the reactions of 124,132 Sn with 40,48 Ca were measured at energies near and below the Coulomb barrier. Weak sub-barrier fusion enhancement accounted for by coupling to the first 2 + and 3 − states in the target and projectile was observed for 124,132 Sn+ 48 Ca . However, the... [Phys. Rev. C 85, 054603] Published Wed May 02, 2012
    Schlagwort(e): Nuclear Reactions
    Print ISSN: 0556-2813
    Digitale ISSN: 1089-490X
    Thema: Physik
    Publiziert von American Physical Society (APS)
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  • 2
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    Sub-barrier fusion enhancement with radioactive ^{134}Te (2013)
    American Physical Society (APS)
    Details
    Publikationsdatum: 2013-06-27
    Beschreibung: Author(s): Z. Kohley, J. F. Liang, D. Shapira, C. J. Gross, R. L. Varner, J. M. Allmond, J. J. Kolata, P. E. Mueller, and A. Roberts The fusion cross sections of radioactive 134 Te + 40 Ca were measured at energies above and below the Coulomb barrier. The evaporation residues produced in the reaction were detected in a zero-degree ionization chamber providing high efficiency for inverse kinematics. Both coupled-channel calculations... [Phys. Rev. C 87, 064612] Published Wed Jun 26, 2013
    Schlagwort(e): Nuclear Reactions
    Print ISSN: 0556-2813
    Digitale ISSN: 1089-490X
    Thema: Physik
    Publiziert von American Physical Society (APS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    Excitation study of the Lageos-derived Chandler wobble (1985)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-19
    Beschreibung: Euler (1765) has deduced that any nonspherical rigid body which is rotating about some axis that is not its principal moment of inertia axis will experience a wobble as it rotates. The earth's wobble predicted by Euler was actually detected by Chandler (1891). The present paper is concerned with this wobble which is now known as the Chandler wobble. The Chandler wobble has now been under observation for more than 80 years. During part of this time, the amplitude of the wobble has actually been seen to grow. It follows that there must be some mechanisms operating to maintain (or excite) the Chandler wobble preventing it from decaying. Possible excitation mechanisms considered include earthquakes and meteorological variations. In this paper, an analysis is conducted of Lageos polar motion data for the period 1977-1983 to find out what can be learned from these data about the excitation mechanisms.
    Schlagwort(e): GEOPHYSICS
    Materialart: Journal of Geophysical Research (ISSN 0148-0227); 90; 9369-938
    Format: text
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  • 4
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    The influence of earthquakes on the Chandler wobble during 1977-1983 (1986)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-19
    Beschreibung: Variations in the Chandler wobble's excitation function are examined in order to study the effect of 1287 earthquakes on the Chandler wobble. The computation of the moment tensor data using the centroid-moment tensor solution technique is described. An excitation function is calculated from the moment tensor data and compared to an observed excitation function derived from the polar motion observations of Gross and Chao (1985). It is observed, based on the power spectrum of the earthquake excitation function, that the earthquakes' static deformation fields have little influence on the Chandler wobble during 1977-1983.
    Schlagwort(e): GEOPHYSICS
    Materialart: Geophysical Journal (ISSN 0016-8009); 85; 161-177
    Format: text
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  • 5
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    Signal detection techniques applied to the Chandler wobble (1985)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-07-12
    Beschreibung: A sudden excitation event of the Chandler wobble should induce the earth's rotation pole to undergo damped harmonic motion. This type of motion has been searched for in the observations of the Chandler wobble using techniques based upon the concept of a matched filter. Although the signal detection techniques used here were not sensitive enough to detect any such isolated sudden excitation events, the result that was obtained is consistent with a randomly excited model of the Chandler wobble.
    Schlagwort(e): GEOPHYSICS
    Materialart: Journal of Geophysical Research (ISSN 0148-0227); 90; 10
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
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