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Atomic-scale study of the amorphous-to-crystalline phase transition mechanism in GeTe thin films
/ IS578 Collaboration
The underlying mechanism driving the structural amorphous-to-crystalline transition in Group VI chalcogenides is still a matter of debate even in the simplest GeTe system. We exploit the extreme sensitivity of 57Fe emission Mössbauer spectroscopy, following dilute implantation of 57Mn (T½ = 1.5 min) at ISOLDE/CERN, to study the electronic charge distribution in the immediate vicinity of the 57Fe probe substituting Ge (FeGe), and to interrogate the local environment of FeGe over the amorphous-crystalline phase transition in GeTe thin films. Our results show that the local structure of as-sputtered amorphous GeTe is a combination of tetrahedral and defect-octahedral sites. [...]
2017
- Published in : Sci.Rep. 7 (2017) 8234
Fulltext: PDF;
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2.
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Dimuon production by protons in tungsten
/ Oliver, William P (Tufts Univ., Medford) ; Gustafson, R (Univ. Michigan, Ann Arbor) ; Jones, L (Univ. Michigan, Ann Arbor) ; Longo, M (Univ. Michigan, Ann Arbor) ; Roberts, Thomas (Univ. Michigan, Ann Arbor) ; Whalley, M (Univ. Michigan, Ann Arbor) ; Garelick, David A (Northeastern Univ., Boston) ; Gauthier, P S (Northeastern Univ., Boston) ; Glaubman, M J (Northeastern Univ., Boston) ; Johnstad, Harald (Northeastern Univ., Boston) et al.
TUFTSPUB-78-1601.
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1973. - 10 p.
Fulltext
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3.
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The cosmic ray proton, helium and CNO fluxes in the 100 TeV energy region from TeV muons and EAS atmospheric Cherenkov light observations of MACRO and EAS-TOP
/ Aglietta, M ; Alessandro, B ; Ambrosio, M ; Antolini, R ; Antonioli, P ; Arneodo, F ; Baldini, A ; Barbarino, G C ; Barish, B C ; Battistoni, G et al.
The primary cosmic ray (CR) proton, helium and CNO fluxes in the energy range 80-300 TeV are studied at the National Gran Sasso Laboratories by means of EAS-TOP (Campo Imperatore, 2005 m a.s.l.) and MACRO (deep underground, 3100 m w.e., the surface energy threshold for a muon reaching the detector being E/sub mu //sup th/ approximately=1.3 TeV). The measurement is based on: (a) the selection of primaries based on their energy/nucleon (i.e., with energy/nucleon sufficient to produce a muon with energy larger than 1.3 TeV) and the reconstruction of the shower geometry by means of the muons recorded by MACRO in the deep underground laboratories; (b) the detection of the associated atmospheric Cherenkov light (C.l.) signals by means of the C.l. [...]
2004
- Published in : Astropart. Phys. 21 (2004) 223-40
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The cosmic ray primary composition between $10^{15}$ and $10^{16}$ ev from Extensive Air Showers electromagnetic and TeV muon data
/ Aglietta, M ; Alessandro, B ; Ambrosio, M ; Antolini, R ; Antonioli, P ; Arneodo, F ; Baldini, A ; Barbarino, G C ; Barish, B C ; Battistoni, G et al.
The cosmic ray primary composition in the energy range between 10/sup 15/ and 10/sup 16/ eV, i.e., around the "knee" of the primary spectrum, has been studied through the combined measurements of the EAS-TOP air shower array (2005 m a.s.l., 10/sup 5/ m/sup 2/ collecting area) and the MACRO underground detector (963 m a.s.l., 3100 m w.e. of minimum rock overburden, 920 m/sup 2/ effective area) at the National Gran Sasso Laboratories. [...]
2004
- Published in : Astropart. Phys. 20 (2004) 641-52
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Some first results from the mark II at SPEAR
/ Abrams, G S (SLAC ; LBL, Berkeley ; UC, Berkeley) ; Alam, M.S. (SLAC ; LBL, Berkeley ; UC, Berkeley) ; Blocker, C.A. (SLAC ; LBL, Berkeley ; UC, Berkeley) ; Boyarski, A.M. (SLAC ; LBL, Berkeley ; UC, Berkeley) ; Breidenbach, Martin (SLAC ; LBL, Berkeley ; UC, Berkeley) ; Broll, C.H. (SLAC ; LBL, Berkeley ; UC, Berkeley) ; Burke, D.L. (SLAC ; LBL, Berkeley ; UC, Berkeley) ; Carithers, W.C. (SLAC ; LBL, Berkeley ; UC, Berkeley) ; Chinowsky, William (SLAC ; LBL, Berkeley ; UC, Berkeley) ; Coles, M.W. (SLAC ; LBL, Berkeley ; UC, Berkeley) et al.
Preliminary results are given from the Mark II experiment at SPEAR on radiative decays of the psi '(3684) and on inclusive baryon production from 3.67 to 7.4 GeV center-of-mass energy. A 90% confidence level upper limit of 0.12% is given for BR( psi ' to gamma eta /sub c/' (3455))*BR( eta /sub c/'(3455 to gamma psi )). [...]
SLAC-PUB-2350; LBL-9320.-
1979
Published version: PDF;
In : International Conference on High-energy Physics, Geneva, Switzerland, 27 Jun 1979, pp.357-361
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