IFLP   13074
INSTITUTO DE FISICA LA PLATA
Unidad Ejecutora - UE
artículos
Título:
Search for microscopic black holes and string balls in final states with leptons and jets with the ATLAS detector at sqrt(s) = 8 TeV
Autor/es:
ATLAS COLLABORATION (GEORGES AAD, MARIA JOSEFINA ALCONADA VERZINI ET AL.).
Revista:
JOURNAL OF HIGH ENERGY PHYSICS
Editorial:
SPRINGER
Referencias:
Lugar: Berlin; Año: 2014
ISSN:
1126-6708
Resumen:
A search for an excess of events with multiple high transverse momentum
objects including charged leptons and jets is presented, using 20.3 fb−1
of proton-proton collision data recorded by the ATLAS detector at the
Large Hadron Collider in 2012 at a centre-of-mass energy of s√
= 8 TeV. No excess of events beyond Standard Model expectations is
observed. Using extra-dimensional models for black hole and string ball
production and decay, exclusion contours are determined as a function of
the mass threshold for production and the fundamental gravity scale for
two, four and six extra dimensions. For six extra dimensions, mass
thresholds of 4.8-6.2 TeV are excluded at 95 % confidence level,
depending on the fundamental gravity scale and model assumptions. Upper
limits on the fiducial cross-sections for non-Standard Model production
of these final states are set.