T. Carli
Max Planck Society
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Publication
Featured researches published by T. Carli.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1994
B. Andrieu; J. Bán; E. Barrelet; G. Bernardi; M. Besancon; E. Binder; H.T. Blume; K. Borras; V. Boudry; V. Brisson; A. Campbell; T. Carli; M. Colombo; C. Coutures; G. Cozzika; J. Cvach; M. David; L. Del Buono; B. Delcourt; M. Devel; P. Dingus; A. Drescher; J. Duboc; R. Ebbinghaus; S. Egli; J. Feltesse; Z.Y. Feng; W. Flauger; M. Flieser; K. Gamerdinger
Abstract The performances of the H1 liquid argon calorimeter modules for the energy measurements and identification of electrons are studied with test data taken at CERN in the energy range 5 to 166 GeV. Various electron identification estimators exploiting global or detailed shower characteristics are studied and compared. The usage of impact position measurements is also discussed. A best combination of robust shower estimators leads typically to π-misidentification probabilities in the range 1.5 to 5.0 × 10−3 at 30 GeV for 95% electron detection efficiency. This further reduces to ∼ 10−4 for these pions to be misidentified as electrons below 25 GeV.
Nuclear Physics | 1998
T. Carli; M. Kuhlen
Abstract Signals for processes induced by QCD instantons are searched for in HERA data on the hadronic final state in deep-inelastic scattering. The maximally allowed fraction of instanton-induced events is found at 95% confidence level to be on the percent level in the kinematic domain 10 −4 ≲ x ≲ 10 −2 and 5 ≲ Q 2 ≲ 100 GeV 2 . The most stringent limits are obtained from the multiplicity distributions.
