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  • 1
    Electronic Resource
    Electronic Resource
    The optics of ISOLDE 3 - The new on-line mass separator at CERN
    Amsterdam : Elsevier
    Nuclear Inst. and Methods in Physics Research, B 26 (1987), S. 120-124 
    Details
    ISSN: 0168-583X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0168-583X(87)90740-3
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  • 2
    Electronic Resource
    Electronic Resource
    The magnetic moments of (vg 9/2)-levels in odd Zn isotopes (1989)
    Springer
    The European physical journal 332 (1989), S. 247-250 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.Ky ; 27.50.+ e ; 33.25.-j
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract 69m,71mZn have been implanted with an isotope separator on-line into a cold iron host matrix. Nuclear magnetic resonance of the low-temperature oriented isotopes has been observed. The resonance frequencies for zero external magnetic field are vL(69mZnFe@#@) =36.814(35) MHz andv L (71mZnFe)=33.47(19) MHz. From these the magnetic moments of the 9/2+ iosmeric states have been derived as μ(69mZn)=(−)1.138(18) n.m. andμ(71mZn)=(−)1.035(18) n.m. The experimentally known magnetic moments of (vg 9/2)-levels in odd zinc isotopes are compared to theoretical estimates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01295452
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  • 3
    Electronic Resource
    Electronic Resource
    The magnetic hyperfine field of bromine in iron by NMR/ON (1986)
    Springer
    The European physical journal 64 (1986), S. 353-356 
    Details
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Nuclear magnetic resonance of82Br oriented at low temperature in iron has been observed with a sample prepared by ion implantation atT〈0.2 K. The asymmetric resonance signal can be decomposed in a broad background signal and a narrow line of FWHM=1.8 (4) MHz which can be attributed to82Br in undisturbed substitutional sites of Fe. From the center frequency of this narrow line ν (B ext=0)=201.86(13) MHz we derive the magnetic hyperfine field asB hf(BrFe)=81.38(6) T. This value is considerably larger than the result of theoretical calculations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01303605
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  • 4
    Electronic Resource
    Electronic Resource
    Nuclear magnetic resonance of175Hf oriented in iron (1986)
    Springer
    The European physical journal 63 (1986), S. 241-246 
    Details
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Nuclear magnetic resonance of175Hf oriented at low temperature in iron has been observed with a sample prepared by ion implantation. The centre frequency of the broad resonance line isv L (B ext = 0)=138.53(36)MHz. Possible origins of the large inhomogeneous line width of FWHM=11.0(1.1) MHz are discussed. A comparison with model calculations for combined magnetic and electric hyperfine interaction indicates that the centre frequency may be interpreted as the magnetic interaction frequency for175Hf in unperturbed substitutional sites of the host iron. With theg-factor of175Hf from literature the magnetic hyperfine field of Hf in Fe is derived asB hf=−64.9(9.3) T fitting well into systematics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01309244
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  • 5
    Electronic Resource
    Electronic Resource
    The electric field gradient at the nuclear site of177Lu in Zn and In (1983)
    Springer
    The European physical journal 54 (1983), S. 31-33 
    Details
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The electric quadrupole interaction frequencyν Q =eQV zz /h of177Lu in single crystals of Zn and In has been measured by the method of low temperature nuclear orientation. The results are $$\begin{gathered} v_Q ({}^{177}Lu\underline {Zn} ) = - 180(5)MHz \hfill \\ v_Q ({}^{177}Lu\underline {In} ) = - 19(5)MHz. \hfill \\ \end{gathered} $$ With the known quadrupole moment of177LuQ=3.39 (2) b we derive for the electric field gradientV zz (Lu Zn)=−2.20 (5)×1017 V/cm2 andV zz (Lu In)=−0.23 (6)×1017 V/cm2. The results are compared with magnetostriction measurements of silver single crystals doped with rare earth atoms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01507946
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  • 6
    Electronic Resource
    Electronic Resource
    Nuclear orientation and NMR/ON of205,207Po (1983)
    Springer
    The European physical journal 311 (1983), S. 351-362 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract 205,207Po have keen implanted with an isotope separator on-line into cold host matrices of Fe, Ni, Zn and Be. Nuclear magnetic resonance of oriented207Po has been observed in Fe and Ni, of205Po in Fe. The resonance frequencies for zero external field are $$\begin{gathered} v_L (^{207} Po\underline {Fe} ) = 575.08(20)MHz \hfill \\ v_L (^{207} Po\underline {Ni} ) = 160.1(8)MHz \hfill \\ v_L (^{205} Po\underline {Fe} ) = 551.7(8)MHz. \hfill \\ \end{gathered} $$ From the dependence of the resonance frequency on external magnetic field theg-factor of207Po was derived as $$g(^{207} Po) = + 0.31(22).$$ Using this value the magnetic hyperfine fields of Po in Fe and Ni were obtained as $$\begin{gathered} B_{hf} (Po\underline {Fe} ) = + 238(16)T \hfill \\ B_{hf} (Po\underline {Ni} ) = 66.3(4.6)T. \hfill \\ \end{gathered}$$ Theg-factor of205Po follows as $$g(^{205} Po) = + 0.304(22).$$ From the temperature dependence of the anisotropies ofγ-lines in the decay of205,207Po the multipole mixing of several transitions was derived. The electric interaction frequenciesv Q=eQVzz/h in the hosts Zn and Be were measured as $$\begin{gathered} v_Q (^{207} Po\underline {Zn} ) = + 42(3)MHz \hfill \\ v_Q (^{207} Po\underline {Be} ) = - 70(20)MHz \hfill \\ v_Q (^{205} Po\underline {Be} ) = - 42(17)MHz. \hfill \\ \end{gathered}$$
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01415691
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  • 7
    Electronic Resource
    Electronic Resource
    NMR/ON of206BiFe produced by decay of cold implanted206Po (1983)
    Springer
    Hyperfine interactions 15 (1983), S. 329-332 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract 206Po was implanted into iron at T〈0.2 K. After electron capture decay to206Bi nuclear magnetic resonance of oriented206BiFe was observed with an asymmetric resonance line shape. Evaluation of the data with the superposition of two Gaussian lines results in ν=693.7(2) MHz for the center frequency of the narrow one of the two lines at external field zero. From this Bhf (BiFe)=119.0(1.3) T is derived. The effective spin-lattice relaxation time of206BiFe at T=13 mK was measured as Ti=0.94(5) s.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02159767
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  • 8
    Electronic Resource
    Electronic Resource
    NMR/ON of206Bi implanted at T 〈 0.2 K and at room temperature into nickel (1985)
    Springer
    Hyperfine interactions 22 (1985), S. 173-176 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract NMR/ON has been observed for206BiNi with samples prepared by implantation at T〈0.2 K and at room temperature. The integrated destruction of anisotropy for the sample implanted at 290 K is only about half of that for the on-line implanted sample but the resonance line is less broad and has a narrow component with centre frequency νL= 223.62(10) MHz for zero external field. With the known g-factor of206Bi we derive from this frequency the hyperfine field of BiNi as Bhf=38.3(4) T.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02063989
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  • 9
    Electronic Resource
    Electronic Resource
    Shape transition in light Pt isotopes: Magnetic moments and electric quadrupole moment ratios for185,187,189Pt (1988)
    Springer
    Hyperfine interactions 43 (1988), S. 469-472 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Nuclear orientation and nuclear magnetic resonance experiments were performed on185, 187, 189Pt isotopes oriented in Fe and single crystal Zn at temperatures down to about 6 mK. The hyperfine splitting frequencies of185Pt and187Pt in iron were determined to be 164.9(2) and 261.1(2) MHz, respectively. With the hyperfine field of −126.1(2.5) T, the g-factors are deduced to be |g(185Pt)|=0.172(3) and |g(187Pt)|=0.272(5). The spectroscopic quadrupole moment of187Pt was found to be negative with magnitude similar to that of189Pt, indicating a predominantly oblate ground state deformation for both isotopes. The spectroscopic quadrupole moment of185Pt was found to be positive, with the ratio Q(185Pt)/Q(189Pt)=−3.6(9), clearly indicating a change to prolate ground state deformation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02398326
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  • 10
    Electronic Resource
    Electronic Resource
    Nuclear orientation at isolde/cern (1988)
    Springer
    Hyperfine interactions 43 (1988), S. 139-149 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A facility for Nuclear Implantation into Cold On-Line Equipment (NICOLE) is being installed at the new on-line isotope separator ISOLDE 3 at CERN. The first on-line run was in the beginning of July 1988. The low temperature equipment has been successfully tested and first off-line experiments on various isotopes have been performed. NMR/ON has been done on vaious isotopes (Co, Xe, Pt, Au) in iron host. First experience with the top-loading dilution refrigertor (Oxford Instruments Limited) shows that it performs very well. The cooling power is 400 μW at 100 mK and 34 μW at 25 mK. The base temperature can be kept continuously well below 5 mK. NMR/ON can be performed at temperatures below 5.5 mK. The base temperature on-line is expected to be lower then 6 mK. The sample can be cooled down from room temperature to 10 mK within two hours, to 6 mK within 3 hours which is not only important for off-line but also for on-line experiments when samples have to be changed to remove long lived daughter activity. The latest results will be reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02398294
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