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Träfflista för sökning "WFRF:(Salvador R.) ;lar1:(ltu)"

Search: WFRF:(Salvador R.) > Luleå University of Technology

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1.
  • Baricordi, S., et al. (author)
  • Optimal crystal surface for efficient channeling in the new generation of hadron machines
  • 2007
  • In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 91:6
  • Journal article (peer-reviewed)abstract
    • The new generation of hadron machines may profitably take advantage of channeling for steering and collimation of high-energy particle beams. In that case, the requirements on the quality of the crystal surface are rather stringent in terms of both lattice perfection and roughness. Here, the authors show the structural and morphological characterizations of crystals fabricated through a method to achieve a surface that fulfills all needed specifications for application in hadron machines. © 2007 American Institute of Physics.
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2.
  • Guidi, V., et al. (author)
  • Characterization of crystals for steering of protons through channelling in hadronic accelerators
  • 2006
  • In: EPAC 2006. - Edinburgh : European Physical Society Accelerator Group (EPS-AG). - 9290832797 ; , s. 1523-1525
  • Conference paper (peer-reviewed)abstract
    • Channeling of relativistic particles through a crystal may be useful for many applications in accelerators, and particularly for collimation in hadronic colliders. Efficiency proved to be dependent on the state of the crystal surface and hence on the method used for preparation. We investigated the morphology and structure of the surface of the samples that have been used in accelerators with high efficiency. We found that crystal fabrication by only mechanical methods (dicing, lapping, and others) leads to a superficial damaged layer, which is correlated to performance limitation in accelerators. A planar chemical etching was studied and applied in order to remove the superficial damaged layer. RBS channeling analysis with low-energy protons and 4He + highlighted better crystal perfection at surface, as a result of the etching. A protocol for preparation and characterization of crystal for channelling has been developed, which may be of interest for reliable operation with crystals in accelerators.
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  • Result 1-2 of 2
Type of publication
journal article (1)
conference paper (1)
Type of content
peer-reviewed (2)
Author/Editor
Vomiero, Alberto (2)
Martinelli, G (2)
De Salvador, D. (2)
Mazzolari, A. (2)
Baricordi, S. (2)
Carnera, A. (2)
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Della Mea, G. (2)
Guidi, V. (2)
Sambo, A. (2)
Scandale, W. (2)
Milan, R. (2)
Fiorini, M. (1)
Milan, E. (1)
Chesnokov, Y. (1)
Marchi, E. Boscolo (1)
Todros, S. (1)
Ivanov, Y. M. (1)
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University
Luleå University of Technology  (2)Undo refine
Language
English (2)
Research subject (UKÄ/SCB)
Natural sciences (1)

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