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The ATLAS Inner Detector commissioning and calibration

Abstract:

The ATLAS Inner Detector is a composite tracking system consisting of silicon pixels, silicon strips and straw tubes in a 2 T magnetic field. Its installation was completed in August 2008 and the detector took part in data-taking with single LHC beams and cosmic rays. The initial detector operation, hardware commissioning and in-situ calibrations are described. Tracking performance has been measured with 7. 6 million cosmic-ray events, collected using a tracking trigger and reconstructed with modular pattern-recognition and fitting software. The intrinsic hit efficiency and tracking trigger efficiencies are close to 100%. Lorentz angle measurements for both electrons and holes, specific energy-loss calibration and transition radiation turn-on measurements have been performed. Different alignment techniques have been used to reconstruct the detector geometry. After the initial alignment, a transverse impact parameter resolution of 22. 1±0. 9 μm and a relative momentum resolution σp/p=(4. 83±0. 16)×10-4 GeV-1×pT have been measured for high momentum tracks. © 2010 CERN for the benefit of the ATLAS collaboration.

Año de publicación:

2010

Keywords:

    Fuente:

    scopusscopus

    Tipo de documento:

    Article

    Estado:

    Acceso abierto

    Áreas de conocimiento:

      Áreas temáticas:

      • Física aplicada
      • Instrumentos de precisión y otros dispositivos

      Contribuidores:

      Aloisio A.Aloisio A.
      Anders C.F.Anders C.F.
      Aielli G.Aielli G.
      Allwood-Spiers S.E.Allwood-Spiers S.E.
      Andeen T.Andeen T.
      Arik M.Arik M.
      Asfandiyarov R.Asfandiyarov R.
      Almond J.Almond J.
      Alam M.S.Alam M.S.
      Abbott B.Abbott B.
      Armbruster A.J.Armbruster A.J.
      Arnaez O.Arnaez O.
      Alhroob M.Alhroob M.
      Alonso A.Alonso A.
      Alviggi M.G.Alviggi M.G.
      Anderson K.J.Anderson K.J.
      Acharya B.S.Acharya B.S.
      Artamonov A.Artamonov A.
      Adams D.L.Adams D.L.
      Anduaga X.S.Anduaga X.S.
      Arnault C.Arnault C.
      Ahles F.Ahles F.
      Amram N.Amram N.
      Aefsky S.Aefsky S.
      Aharrouche M.Aharrouche M.
      Arai Y.Arai Y.
      Alexander G.Alexander G.
      Ahmad A.Ahmad A.
      Allport P.P.Allport P.P.
      Angerami A.Angerami A.
      Alexandre G.Alexandre G.
      Asai S.Asai S.
      Addy T.N.Addy T.N.
      Aoun S.Aoun S.
      Alexopoulos T.Alexopoulos T.
      Aad G.Aad G.
      Abreu H.Abreu H.
      Arfaoui S.Arfaoui S.
      Alon R.Alon R.
      Archambault J.P.Archambault J.P.
      Asner D.Asner D.
      Asquith L.Asquith L.
      Akimov A.V.Akimov A.V.
      Abi B.Abi B.
      Javier GarciaJavier Garcia
      The ATLAS Collaboration The ATLAS Collaboration
      Arabidze G.Arabidze G.
      Akimoto G.Akimoto G.
      Asai M.Asai M.
      Adelman J.Adelman J.
      Arutinov D.Arutinov D.
      Astvatsatourov A.Astvatsatourov A.
      Annovi A.Annovi A.
      Saavedra J.A.A.Saavedra J.A.A.
      Arce A.T.H.Arce A.T.H.
      Anulli F.Anulli F.
      Antonaki A.Antonaki A.
      Amorós G.Amorós G.
      Atoian G.Atoian G.
      Antunovic B.Antunovic B.
      Abdesselam A.Abdesselam A.
      Abdallah J.Abdallah J.
      Alam M.A.Alam M.A.
      Aracena I.Aracena I.
      Aleksandrov I.N.Aleksandrov I.N.
      Anghinolfi F.Anghinolfi F.
      Aktas A.Aktas A.
      Anastopoulos C.Anastopoulos C.
      Argyropoulos T.Argyropoulos T.
      Ask S.Ask S.
      Auerbach B.Auerbach B.
      Anjos N.Anjos N.
      Alimonti G.Alimonti G.
      Amelung C.Amelung C.
      Ahsan M.Ahsan M.
      Abdinov O.Abdinov O.
      Ahlen S.P.Ahlen S.P.
      Åsman B.Åsman B.
      Andrei V.Andrei V.
      Antonelli M.Antonelli M.
      Antos J.Antos J.
      Abdelalim A.A.Abdelalim A.A.
      Aliev M.Aliev M.
      Antonelli S.Antonelli S.
      Adye T.Adye T.
      Abolins M.Abolins M.
      Assamagan K.Assamagan K.
      Alexa C.Alexa C.
      Arguin J.F.Arguin J.F.
      Alison J.Alison J.
      Åkesson T.P.A.Åkesson T.P.A.
      Abramowicz H.Abramowicz H.
      Amorim A.Amorim A.
      Amako K.Amako K.
      Albrand S.Albrand S.
      Akdogan T.Akdogan T.
      Andreazza A.Andreazza A.
      Aliyev M.Aliyev M.
      Adragna P.Adragna P.
      Adorisio C.Adorisio C.
      Aleksa M.Aleksa M.