Results 231 to 240 of about 3,381,508 (304)
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Quenching of spin-flip quadrupole transitions
Physical Review C, 1985An increasing amount of experimental data indicates that spin-flip quadrupole transitions exhibit quenching effects similar to those reported earlier in (p,n) reactions involving l = 0 and l = 1 transitions. We present here two model calculations suggesting that the E2 spin-flip transitions are more affected than their M1 and M3 counterparts by the ...
, Castel, , Blunden, , Okuhara
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Electric quadrupole transitions
Canadian Journal of Physics, 1991A data set has been compiled consisting of 101 E2 strengths observed in neutron radiative capture. The E2 strength function is found to be consistent with a fifth power energy dependence and mass dependence characterized by a power of n = 1.87 ± 0.07.
W. V. Prestwich +2 more
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Theoretical studies of electric quadrupole transition probabilities in Mg II
European Physical Journal D, 2004Sonjoy Majumder
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Transitional quadrupole moments in83Y
Zeitschrift f�r Physik A Hadrons and Nuclei, 1994Doppler shift attenuation lifetime measurements have been carried out for the 3qp and isomeric rotational bands in Y-83 using the reaction (Ni(Si,3p))-Ni-58-Si-28. While the transitional quadrupole moments in the 3qp bands are slightly lower than in the 1 qp bands, we found evidence for a strong reduction in \Q(t)\ for the isomeric band.
T. D. Johnson +9 more
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Superallowed electric-quadrupole transitions of ions in crystals
Physical Review Letters, 1989La reponse collective a plusieurs electrons d'un cristal hote au champ electrique d'un photon peut augmenter la force d'oscillateur pour une transition quadripolaire de l'ion.
, Lacueva, , Overhauser
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Electric quadrupole transitions in 42Ca
Nuclear Physics A, 1969Abstract From Doppler shift attenuation and delayed coincidence measurements, lifetimes have been determined for states in 42 Ca as follows: The measured electric quadrupole transitions were compared with the predictions of the shell model, the weak-coupling model and the Gerace-Green calculations.
R. Hartmann, K.P. Lieb, H. Röpke
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Sum rules for electric quadrupole transitions
Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences, 1974Abstract Sum rules for matrix elements occurring in calculations of electric quadrupole radiation have been derived and tested for the helium and sodium isoelectronic sequences, using frozencore atomic wavefunctions. Electric quadrupole polarizabilities have been calculated for the metastable 2 1S and 2 3S states of He, Li+, Be2+ and ...
D. Rosenthal, R. P. McEachran, M. Cohen
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Screening Doublets in X-ray Quadrupole and Non-quadrupole Transitions
Proceedings of the Physical Society, 1963A close examination of recent data on the x-ray quadrupole and non-quadrupole transitions reveals, for the first time, five pairs of lines, namely (LIMI, LIIMII), (LINI, LIINII), (LIOI, LIIOII), (LIIOIII, LIOIV,V) and (LIMI, LIMII), which form screening doublets.
G B Deodhar, B D Padalia
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The quadrupole transition LM (β9) in 65terbium
Chemical Physics Letters, 1968Abstract Using a 40−cm curved mica crystal spectrograph of the transmission type, a new diagram line at λ = 1656.41 XU corresponding to the quadrupole transition L I M V (β 9 ) in terbium has been reported for the first time.
A.N. Nigam, K.B. Garg
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Conversion coefficients for electric quadrupole transitions
Nuclear Physics, 1958The measured K and L shell conversion coefficients of the 412 kev transition in Hg/sup 198/ / and the 279 kev transition in Tl/sup 203/ are compared with the results of calculations by Rose and by Sliv and Enrd which are corrected for effects due to the finite nuclear size.
G.J. Nijgh, A.H. Wapstra
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