IFLP   13074
INSTITUTO DE FISICA LA PLATA
Unidad Ejecutora - UE
artículos
Título:
A measurement of the material in the ATLAS inner detector using secondary hadronic interactions
Autor/es:
ATLAS COLLABORATION, G. AAD, F. MONTICELLI, ET AL
Revista:
JOURNAL OF INSTRUMENTATION
Editorial:
IOP PUBLISHING LTD
Referencias:
Lugar: Londres; Año: 2012 vol. 231 p. 1 - 23
ISSN:
1748-0221
Resumen:
The ATLAS inner detector is used to reconstruct secondary vertices due
to hadronic interactions of primary collision products, so probing the
location and amount of material in the inner region of ATLAS. Data
collected in 7 TeV pp collisions at the LHC, with a minimum bias
trigger, are used for comparisons with simulated events. The
reconstructed secondary vertices have spatial resolutions ranging from
~200 microns to 1 mm. The overall material description in the simulation
is validated to within an experimental uncertainty of about 7%. This
will lead to a better understanding of the reconstruction of various
objects such as tracks, leptons, jets, and missing transverse momentum.