We report the measurements of the t (t) over bar production cross section and of the top quark mass using 1.02 fb(-1) of p (p) over bar data collected with the CDF II detector at the Fermilab Tevatron. We select events with six or more jets on which a number of kinematical requirements are imposed by means of a neural network algorithm. At least one of these jets must be identified as initiated by a b-quark candidate by the reconstruction of a secondary vertex. The cross section is measured to be sigma(t (t) over bar)=(8.3 +/- 1.0(stat) -1.5/+2.0 (syst) +/- 0.5(lumi)) pb, which is consistent with the standard model prediction. The top quark mass of (174.0 +/- 2.2(stat)+/- 4.8(syst)) GeV/c(2) is derived from a likelihood fit incorporating reconstructed mass distributions representative of signal and background.

T., A., A., A., J., A., T., A., T., A., M. G., A., et al. (2007). Measurement of the p(p)over-bar -> t(t)over-bar production cross section and the top quark mass at root s=1.96 TeV in the all-hadronic decay mode. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 76(7), 072009-1-072009-19 [10.1103/PhysRevD.76.072009].

Measurement of the p(p)over-bar -> t(t)over-bar production cross section and the top quark mass at root s=1.96 TeV in the all-hadronic decay mode

CIOCCI, MARIA AGNESE;
2007-01-01

Abstract

We report the measurements of the t (t) over bar production cross section and of the top quark mass using 1.02 fb(-1) of p (p) over bar data collected with the CDF II detector at the Fermilab Tevatron. We select events with six or more jets on which a number of kinematical requirements are imposed by means of a neural network algorithm. At least one of these jets must be identified as initiated by a b-quark candidate by the reconstruction of a secondary vertex. The cross section is measured to be sigma(t (t) over bar)=(8.3 +/- 1.0(stat) -1.5/+2.0 (syst) +/- 0.5(lumi)) pb, which is consistent with the standard model prediction. The top quark mass of (174.0 +/- 2.2(stat)+/- 4.8(syst)) GeV/c(2) is derived from a likelihood fit incorporating reconstructed mass distributions representative of signal and background.
2007
T., A., A., A., J., A., T., A., T., A., M. G., A., et al. (2007). Measurement of the p(p)over-bar -> t(t)over-bar production cross section and the top quark mass at root s=1.96 TeV in the all-hadronic decay mode. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 76(7), 072009-1-072009-19 [10.1103/PhysRevD.76.072009].
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11365/36214
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo