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Mostrando 7,841 - 7,860 Resultados de 12,099 Para Buscar '"Geneva"', tiempo de consulta: 0.14s Limitar resultados
  1. 7841
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    Event with two lotrg tracks selected in e search for muon pairs. The long straight track is almost certainly a muon (the displacement apparent between its beginning and its end. is instrumental, the extra sparks are reflections). $\Lambda$ statistical analysis of the visible interactions indicated that not all second tracks could be pions
  2. 7842
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    $\mu, e$ candidate in the spark chamber
  3. 7843
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    An example of the simultaneous decay inside the magnetic spark chamber of two $K^{0}$ mesons produced in the reaction : $\pi^{-}+p \rightarrow \eta + K^{0} + \overline K ^{0}$ at 10 GeV
  4. 7844
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    Beta decay of the $\Lambda^{0}$ hyperon. Example of leptonic decay of $\Lambda^{0}$ hyperon, $\Lambda^{0} \rightarrow e^{+} + p + e^{-}+ \nu$ as observed in spark chamber
  5. 7845
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    Charged particle tracks in the large-plate spark chamber array of the CERN Neutrino experiment
  6. 7846
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    $K _{L}^{0} \rightarrow \pi^{+} \pi^{-}$ Spark-chamber photo with stereo views of several chambers arranged on one film frame for automatic analysis.
  7. 7847
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    A single proton from a 19 GeV pencil focused beam leaves a track at the right of the picture as it enter through the beam window of the 1 m long Ecvole Polytechnique HLBC and penetrates a copper target of the same lenght and diamter as the one used in the magnetic horn. In its interaction with one of copper nuclei, the proton produces the two shorter tracks which are also protons, two longer tracks which are pions, and gamma-rays which have materialized in the bottom left corner of the chamber as electron-positron pairs. From about 100 000 trios of such stereo pictures, the input spectrum of pions and kaons for the magnetic horn can be determined experimentally, and subsequently by calculation, the neutrino spectrum
  8. 7848
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    A typically complex high-energy interaction produced by a neutrino
  9. 7849
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    One of the thousands of events recorded to determine the intrinsic paritv of the $\Xi^{-}$ hyperon and analysed with the HPD flying spot digitizer
  10. 7850
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    Production and decay of $\Omega$ in 152-cm liquid hydrogen bubble chamber. 10 GeV/c $K^{-}$ incident from right
  11. 7851
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    Film of spark-chamber tracks from experiment on $K _{L}^{0} \rightarrow \pi^{0} \pi^{0}$ decay. Side and top views of spark chambers appear on either side of median dotted line, top tracks show electron pairs from the two games from one $\pi^{0}$ ; bottom tracks the electron pairs arising from the second $\pi^{0}$
  12. 7852
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    Pion charge exchange ($\pi^{-} p \rightarrow \pi^{0} \eta$) on polarized protons at 6 GeV/c
  13. 7853
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    $\eta$ decay in magnetic spark chamber $\pi^{-}$ incident on right (two views); hydrogen target not seen, $\pi^{+} \pi^{-}$ from $\eta \rightarrow \pi^{+} \pi^{-} \pi{0}$ visible as two curved tracks
  14. 7854
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    Stopping $K^{+}$ in the CERN heavy liquid bubble chamber. The photo shows the body of the chamber as seen by a camera. The enlargement (centre) and its graphic explanation show an example of a $\tau$ decay of a $K^{+}$, ie. $K^{+} \rightarrow \pi^{+} \pi^{+} \pi^{-}$. The 3 pions are seen to stop. The $\pi^{-}$ is absorbed in a nucleus whereas the $\pi^{+}$ decay first into $\mu{+}$ and then in $e^{+} \nu \overline{\nu}$. As can be seen from the photograph, the muons are visible. The visibility of the decay of $\pi \rightarrow \mu$ was an essnetial feature of the X2 and K5 experiments, in order to eliminate background in the study of the $K^{+} \rightarrow \mu^{+} + \pi^{0} + \nu$ and $K^{+} \rightarrow e^{+} + \pi^{+} + \pi^{-} + \nu$ decay modes
  15. 7855
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    Antiproton annihilation in 2-m liquid-hydrogen bubble chamber. 5.7 GeV/c $\overline p$ incident from right
  16. 7856
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    $\tau$ decay of $K^{+}$ in nuclear emulsion
  17. 7857
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    Photograph of the particle tracks in a bubble chamber
  18. 7858
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    Photograph of the
  19. 7859
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    Photographs taken in April 1967 in the 1.10 cubic meter heavy liquid bubble chamber at CERN showing tracks from a $\mu$ meson beam in propane
  20. 7860
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    Technical specification for the manufacture of ultra-high vacuum ceramic RF ""windows"" of the power couplers for the super conducting cavities of the LHC machine
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