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CERN Document Server 24 records found  1 - 10próximoend  jump to record: Search took 0.78 seconds. 
1.
Nuclear transfer spectroscopy using radioactive targets / Naumann, R A ; Börner, H ; Dewberry, R ; Hoff, R ; Kouzes, R T ; Lanier, R G ; Mann, L ; Struble, G L
The feasibility and techniques for carrying out transfer spectroscopic experiments with radioactive targets having half lives down to a fraction of a year are reviewed. The use of such radioactive targets is illustrated by recent studies of the spectroscopy of /sup 149/Sm, /sup 174/Lu and /sup 247/Bk using (p, t) transfer spectroscopy. [...]
CERN, 1981 Published version from CERN: PDF;
In : 4th International Conference on Nuclei Far from Stability, Helsingør, Denmark, 7 - 13 Jun 1981, pp.690-1 (CERN-1981-009)
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2.
Particle transfer spectroscopy using radioactive targets / Naumann, R A (Joseph Henry Phys & Frick Chemical Labs, Princeton Univ, Princeton, NJ, USA)
The practicality of general use of radioactive targets to study nuclei off the stability line by transfer spectroscopy is examined. Some advantages of this spectroscopic technique are illustrated with recent results from (p, t) and (t, p) stable target studies of negative parity core-coupled states systematically occurring in 4 adjacent odd silver isotopes. [...]
CERN, 1976 Fulltext: PDF;
In : 3rd International Conference on Nuclei Far from Stability, Cargese, France, 19 - 26 May 1976, pp.42-5 (CERN-1976-013)
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3.
Quadrupole-deformed and octupole collective bands in $^{228}$Ra / ISOLDE Collaboration
Spins and parities for collective states in $^{228}$Ra have been determined from conversion electron measurements with a mini-orange $\beta$-spectrometer. The fast-timing $\beta\gamma\gamma(t)$ method has been used to measure lifetimes of T$_{1/2}$=550(20) ps and 181(3) ps for the $2^{+}_{1}$ and $4^{+}_{1}$ members of the K=0$^{+}$ band, and T$_{1/2} \leqslant$ 7 ps and $\leqslant$ 6 ps for the $1^{-}_{1}$ and $3^{-}_1$ members of the K = $0^{-}$ band, respectively The quadrupole moments, $Q_{0}$ deduced from the B (E2; 2$_{1}^{+} \rightarrow 0_{1}^{+}$) and B (E2; 4$_{1}^{+} \rightarrow 2_1^{+}$) rates are in good agreement with the previously measured value and the systematics of the region. [...]
CERN-EP-98-002.- Geneva : CERN, 1998 - 18 p. - Published in : Nucl. Phys. A 636 (1998) 28-46 Fulltext: PDF; - CERN library copies
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4.
Studies of the $\alpha$ -active isotopes of mercury, gold and platinum / Hansen, P G ; Nielsen, H L ; Wilsky, K ; Alpsten, M ; Finger, M H ; Lindahl, A ; Naumann, R A ; Nielsen, O B
1970 - Published in : Nucl. Phys. A 28 (1970) 249-272
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5.
Search for stable octupole deformation / ISOLDE Collaboration
1995
In : International Conference on Exotic Nuclei and Atomic Masses, Arles, France, 19 - 23 Jun 1995, pp.577-578
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6.
The nuclear structure of $^{227}$Fr / ISOLDE Collaboration
The $\gamma$-rays following the $\beta^{-}$-decay of $^{227}$Rn have been investigated by means of $\gamma$-ray singles and $\gamma\gamma$-coincidence measurements using an array of 12 Compton-suppressed Ge detectors. The fast timing $\beta\gamma\gamma$(t) method has been used to measure six level lifetimes. [...]
CERN-PPE-97-029.- Geneva : CERN, 1997 - 32 p. - Published in : Nucl. Phys. A 621 (1997) 827-852 Fulltext: PS.GZ; - CERN library copies
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7.
Search for stable octupole deformation in $^{225}$Fr / ISOLDE Collaboration
Levels in $^{225}$Fr have been studied by $\gamma$-ray and conversion-electron spectroscopy following the $\beta$-decay of $^{225}$Rn, and by the $^{226}$Ra(t,$\alpha$)$^{225}$Fr single-proton-pickup reaction. Multipolarities were obtained for $\sim$ 50 $\gamma$-transitions, and a level scheme was established in which definite spin-parity values were determined for over 20 of the 48 levels. [...]
CERN-PPE-96-144.- Geneva : CERN, 1997 - 54 p. - Published in : Nucl. Phys. A 612 (1997) 91-142 Fulltext: PS.GZ; Source files restricted to CERN users: ZIP; - CERN library copies
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8.
Studies of octupole deformation in $^{227}$Ra : lifetime measurement of the 90-KeV $3/2^{-}$ level / ISOLDE Collaboration
1996
In : International Conference on Nuclear Shapes and Nuclear Structure at Low Excitation Energies, Antibes, France, 20 - 25 Jun 1994, pp.391-396
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9.
Spectroscopic studies of francium 225 / ISOLDE Collaboration
1987.
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10.
Octupole deformation in the radium region / ISOLDE Collaboration
1988.
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Veja também: nomes de autores similares
25 Naumann, R A
1 Naumann, R J
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