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Thijs Versloot

Light bending material facilitates the search for new particles - 0 views

www.nanowerk.com/...newsid=37760.php

physics cherenkov high energy metamaterials

shared by Thijs Versloot on 17 Oct 14 - No Cached
  • Thijs Versloot on 17 Oct 14
     
    The problem is that the light cone angle has a limit - all particles with high momentum (mass x velocity) generate light cones with the same angle. Hence, these particles are indistinguishable. Now Chalmers researcher Philippe Tassin and his colleagues at the Free University of Brussels have designed a material that manipulates the Cherenkov cone so that also particles with high momentum get a distinct light cone angle too. The work is on the cover of this week's issue of the journal Physical Review Letters ("Controlling Cherenkov Radiation with Transformation-Optical Metamaterials").
LeopoldS

[1110.3763] A search for the analogue to Cherenkov radiation by high energy neutrinos a... - 1 views

arxiv.org/1110.3763

phy science

shared by LeopoldS on 23 Nov 11 - No Cached
  • LeopoldS on 23 Nov 11
     
    Sante: did you see this?
  • dejanpetkow on 24 Nov 11
     
    Maybe a stupid question: The authors argue with the results obtained by Cohen and Glashow [2]. In [2] ist was stated that superluminal neutrinos should lose energy by producing photons and e+e- pairs. This should be observable. These conslusions are based on known physics (I guess), i.e. on the laws valid for subluminal conditions. How reasonable is it to apply (i.e. to assume the validity of) the same laws for superluminal particles?
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