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The first muon spin rotation experiment
/ Garwin, Richard L
The February 15, 1957 issue of Physical Review Letters shows the first muon precession curve resulting from the stopping of `85 MeV' muons in graphite, and the resulting counting rate in a gate of fixed delay, duration, and orientation, as a function of an applied vertical magnetic field. The purpose of the four-day experiment was to test the conservation of parity in the weak interactions. [...]
2003
- Published in : Physica B 326 (2003) 1-10
In : 9th International Conference on Muon Spin Rotation, Relaxation and Resonance, Williamsburg, VA, USA, 3 - 7 Jun 2002, pp.1-10
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3.
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4.
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Positive muon diffusion in iron and nickel : pressure dependence
/ Butz, T ; Chappert, J ; Dufresne, J F ; Hartmann, O ; Karlsson, E ; Lindgren, B ; Longobardi, R ; Norlin, L O ; Pezzetti, J P ; Yaouanc, A
The hyperfine field B/sub hf/ at positive muon ( mu /sup +/) in iron and nickel was previously found. Exhibits marked deviations from the bulk magnetization as a function of temperature. [...]
1980
- Published in : J. Magn. Magn. Mater. 15-18 (1980) 671-2
In : International Conference on Magnetism, Munich, Germany, 3 - 7 Sep 1979, pp.671-2
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5.
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Muonic Knight shift for simple metals in a linear-response model
/ De Renzi, R ; Dallacasa, V
The hyperfine contribution to the magnetic field at the mu /sup +/ site is calculated in the elementary dielectric-constant theory, which reveals itself to be suitable for simple metals, especially in the low-electron-density range. The model is compared with experimental data with better agreement than any previous theory, but still not in a completely satisfactory way. [...]
1981
- Published in : Nuovo Cimento B: 61 ser.2 (1981) , no. 2, pp. 353-60
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6.
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Muon diffusion in niobium in the presence of traps
/ Borghini, M ; Hartmann, O ; Karlsson, E ; Kehr, K W ; Niinikoski, T O ; Norlin, L O ; Pernestal, K ; Richter, D ; Soulié, J C ; Walker, E
Investigates muon diffusion in niobium with controlled amounts of interstitial impurities. The polarization decay was interpreted in terms of a two-state model where the muon is alternatively in a state of free diffusion or in traps. [...]
1978
- Published in : Phys. Rev. Lett. 40 (1978) 1723-6
APS Published version, local copy: PDF;
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8.
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A trigger system using cathode read-out chambers and a coincidence matrix
/ Boucrot, J ; Callot, O ; Dubé, R K ; Hrisoho, A T ; Lefrançois, J ; Buzzata, A ; Delcros, P ; Caillet, J
LAL-79-33.-
Orsay : Paris 11. Lab. Accél. Linéaire, 1980 - 25 p.
- Published in : Nucl. Instrum. Methods Phys. Res. 176 (1980) 291-5
In : 2nd Wire Chamber Conference, Vienna, Austria, 27 - 29 Feb 1980, pp.291-5
- CERN library copies
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9.
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Muon diffusion in niobium in the presence of traps
/ Niinikoski, T O (CERN) ; Borghini, M (CERN) ; Hartmann, O (Inst. Phys., Uppsala) ; Karlsson, E (Inst. Phys., Uppsala) ; Kehr, K W (Jülich) ; Norlin, L O (Inst. Phys., Uppsala) ; Pernestål, K (Inst. Phys., Uppsala) ; Richter, D (Jülich) ; Soulié, L O (CERN) ; Walker, E (Geneva U.)
The first CERN experiments on Nb metal showed a behaviour of muon depolarisation rate Lambda (T) similar to that in Cu, but with indications of some structure in the 'flat' low-T region. Later measurements on more purified samples, containing less than 100 ppm substitutional impurities and varying concentrations of interstitial nitrogen, showed a very strong dependence of the depolarization rate on the nitrogen content. [...]
1979 - 11 p.
- Published in : Hyperfine Interact. 6 (1979) 229-32
Fulltext: PDF;
In : 1st International Topical Meeting on Muon Spin Rotation, Rorschach, Switzerland, 4 - 7 Sep 1978, pp.229-32
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10.
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Muon motion in pure and weakly doped aluminium
/ Niinikoski, T O ; Hartmann, O ; Karlsson, E ; Kehr, K W ; Norlin, L O ; Richter, D ; Welter, J M
The authors have studied the diffusion and localization of positive muons in pure and weakly doped aluminium, in the temperature range 30 mK-100K, by measuring the damping parameter of the muon spin rotation ( mu SR) signal. In this paper they discuss some of their recent results and draw the following conclusions: i) in pure Al, positive muons are delocalized in band states (coherent motion); ii) in Al doped with 5-70 ppm Mn, the temperature, concentration and field dependences of the damping parameter suggest diffusion or capture limited trapping to octahedral interstitial sites in the aluminium lattice below 1K; iii) above 2K a two-state diffusion-trapping model explains well the peak in the damping parameter, which appears at 15-50K for the dopants Mn, Mg, Li and Ag so far studied. [...]
1981
- Published in : Physica B 108+ (1981) 879-82
In : 16th International Conference on Low-temperature Physics pts.1-3, Los Angeles, CA, USA, 19 - 25 Aug 1981, pp.879-82
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