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A Measurement of the Exclusive Branching Fraction for B \to pi K at BaBar
None
Date:
June 11, 2013
Creator:
Aspinwall, L.
System:
The UNT Digital Library
A Measurement of Neutral B Mixing using Di-Lepton Events with the BaBar Detector
None
Date:
June 11, 2013
Creator:
Gunawardane, N.
System:
The UNT Digital Library
Study of |Vtd/Vts| Using a Sum of Exclusive B \to X Gamma Final States Reconstructed With the BaBar Detector
None
Date:
June 11, 2013
Creator:
Tibbetts, Mark James
System:
The UNT Digital Library
Study of Charmless Semileptonic B Decays And a Measurement of the CKM Matrix Element |Vub| at BaBar
None
Date:
June 11, 2013
Creator:
Taylor, G.P.
System:
The UNT Digital Library
Finding the Higgs boson of the standard model in the channel ZH → e<sup>+</sup>e<sup>-</sup>b$\bar{b}$ with the D0 detector at the Tevatron; Recherche du boson de Higgs du nideke standard dans le canal ZH → e<sup>+</sup>e<sup>-</sup>b$\bar{b}$ Avec le Detecteur DØ Aupres du Tevatron
The organization of this thesis consists of three main ideas: the first presents the theoretical framework and experimental, as well as objects used in the analysis and the second relates to the various work tasks of service that I performed on the calorimeter, and the third is the search for the Higgs boson in the channel ZH → e<sup>+</sup>e<sup>-</sup>b$\bar{b}$. Thus, this thesis has the following structure: Chapter 1 is an introduction to the standard model of particle physics and the Higgs mechanism; Chapter 2 is an overview of the complex and the acceleration of the Tevatron at Fermilab DØ detector; Chapter 3 is an introduction to physical objects used in this thesis; Chapter 4 presents the study made on correcting the energy measured in the calorimeter; Chapter 5 describes the study of certification of electrons in the calorimeter; Chapter 6 describes the study of certification of electrons in the intercryostat region of calorimeter; Chapter 7 Detailed analysis on the search for Higgs production in the channel ZH → e<sup>+</sup>e<sup>-</sup>b$\bar{b}$; and Chapter 8 presents the final results of the calculations of upper limits to the production cross section of the Higgs boson on a range of low masses.
Date:
June 11, 2010
Creator:
Calpas, Betty Constante
System:
The UNT Digital Library
A Study of the Rare Charmless Hadronic B Decay B \to a0 + pi0 Using the BaBar Detector
None
Date:
June 11, 2013
Creator:
Panduro-Vazquez, William
System:
The UNT Digital Library
Study of the Rare Hadronic Decays Ds+ \to K+ pi0, Ds+ \to pi+ K0s and Ds+ \to pi+ pi0 at BaBar
None
Date:
June 11, 2013
Creator:
Nikolich, Michael Borivoje
System:
The UNT Digital Library
A Measurement of the Branching Fractions and CP Asymmetries of the Decays B+ \to K*+ pi0 and B+ \to rho+ pi0 at BaBar
None
Date:
June 11, 2013
Creator:
Gaillard, James Robert
System:
The UNT Digital Library
Monte-Carlo Analysis of the Flavour Changing Neutral Current B \to Gamma at Babar
None
Date:
June 11, 2013
Creator:
Smith, D.
System:
The UNT Digital Library
Leptonic Decays of the Charged B Meson
The authors present a search for the decay B{sup +} {yields} {ell}{sup +}{nu}{sub {ell}} ({ell} = {tau}, {mu}, or e) in (458.9 {+-} 5.1) x 10{sup 6} {Upsilon}(4S) decays recorded with the BABAR detector at the SLAC PEP-II B-Factory. A sample of events with one reconstructed exclusive semi-leptonic B decay (B{sup -} {yields} D{sup 0}{ell}{sup -}{bar {nu}}X) is selected, and in the recoil a search for B{sup +} {yields} {ell}{sup +}{nu}{sub {ell}} signal is performed. The {tau} is identified in the following channels: {tau}{sup +} {yields} e{sup +}{nu}{sub e}{bar {nu}}{sub {tau}}, {tau}{sup +} {yields} {mu}{sup +}{nu}{sub {mu}}{bar {nu}}{sub {tau}}, {tau}{sup +} {yields} {pi}{sup +}{bar {nu}}{sub {tau}}, and {tau}{sup +} {yields} {pi}{sup +}{pi}{sup 0}{bar {nu}}{sub {tau}}. The analysis strategy and the statistical procedure is set up for branching fraction extraction or upper limit determination. They determine from the dataset a preliminary measurement of {Beta}(B{sup +} {yields} {tau}{sup +}{nu}{sub {tau}}) = (1.8 {+-} 0.8 {+-} 0.1) x 10{sup -4}, which excludes zero at 2.4{sigma}, and f{sub B} = 255 {+-} 58 MeV. Combination with the hadronically tagged measurement yields {Beta}(B{sup +} {yields} {tau}{sup +}{nu}{sub {tau}}) = (1.8 {+-} 0.6) x 10{sup -4}. They also set preliminary limits on the branching fractions at …
Date:
June 11, 2010
Creator:
Corwin, Luke A.
System:
The UNT Digital Library