The “Roman pot” spectrometer and the vertex detector of experiment UA4 at the CERN SPS collider

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Abstract

We describe the apparatus used in experiment UA4 to study proton-antiproton elastic and inelastic interactions at the CERN SPS Collider. Elastically scattered particles, travelling at very small angles, are observed by detectors placed inside movable sections (“Roman pots”) of the SPS vacuum chamber. The deflection in the field of the machine quadrupoles allow the measurement of the particle momentum. Inelastic interactions are observed by a left-right symmetric system of trigger counter hodoscopes and drift-chamber telescopes. The apparatus reconstructs the interaction vertex and measures the pseudorapidity η of charged particles in the range 2.5 < ‖η‖ < 5.6.

References (13)

  • M. Bozzo

    Phys. Lett.

    (1984)
    M. Bozzo

    Phys. Lett.

    (1984)
  • U. Amaldi

    Phys. Lett.

    (1976)
    U. Amaldi

    Nucl. Phys.

    (1978)
  • M. Bozzo
  • M. Bozzo

    Phys. Lett.

    (1984)
  • M. Dialinas et al.

    Orsay report LAL-RT/83-14

    (1983)
  • R. Battiston

    Phys. Lett.

    (1983)
There are more references available in the full text version of this article.

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Also at University of Perugia, Italy.

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Permanent address: IFIC, University of Valencia, Spain.

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