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Calculation of the stopping power changes due to the superconducting transition in high-TcYBa2Cu3O7superconductors

Authors
Journal
Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms
0168-583X
Publisher
Elsevier
Publication Date
Volume
45
Identifiers
DOI: 10.1016/0168-583x(90)90927-m
Disciplines
  • Physics

Abstract

Abstract The new high- T c oxide superconductors have an unusually large energy gap (Δ) to Fermi energy ( E F) ratio compared to conventional superconductors. This ratio could even be greater than unity. Our calculations estimated the relative stopping power change due to the transition to the superconducting state as a function of energy gap and the energy of a proton. The stopping power change is large for low-energy projectiles. Experimental efforts to measure relative stopping powers to an 0.14% accuracy are also discussed.

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