Measurement Of Orbitally Excited D Mesons At Cdf Ii PDF Download
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| Author | : Igor V. Gorelov |
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| Total Pages | : 6 |
| Release | : 2004 |
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Download Measurement of Orbitally Excited D-mesons at CDF II. Book in PDF, ePub and Kindle
Results of the first measurement of {sup 3}P orbitally excited neutral D-meson states, D*{sub 2}{sup 0} and D{sub 1}{sup 0}, produced in hadron collisions at the Tevatron are presented. Using data from the displaced track trigger, CDF II collects a large sample of these states in decay modes D*{sup +} {pi}{sup -}, D{sup +} {pi}{sup -}. Masses and widths of both states have been measured with precision better than or comparable to that of the world average.
| Author | : Jennifer Pursley |
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| Total Pages | : 4 |
| Release | : 2006 |
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Download Studies of Orbitally Excited D^**_(s) and B^** Mesons at Cdf and Book in PDF, ePub and Kindle
Using a large data sample of p{bar p} collisions at {radical}s = 1.96 TeV recorded by the CDF and D0 detectors operating at Fermilab Tevatron, the orbitally excited B mesons B{sub 1} and B*{sub 2} are observed directly as two separate states in fully reconstructed decays to B{sup (*)}{pi}. The masses and the mass differences between the states are presented. In the charm system, the orbitally excited D mesons D{sub 1} and D*{sub 2} are observed in fully reconstructed decays to D{sup (*)}{pi}. Measurements of the product branching rates of semileptonic decays B {yields} {bar D}**{mu}{sup +}{nu}{sub {mu}}X and their ratio are presented. They also present the observation of the semileptonic decays B{sub s} {yields} {mu}{nu}D**{sub s} where the excited D**{sub s} states are reconstructed in the mode D**{sub s} {yields} D*K{sub S}{sup 0}.
| Author | : |
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| Total Pages | : |
| Release | : 2009 |
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Download Spectroscopy of Orbitally Excited $B_{s}$ Mesons with the CDF II Detector Book in PDF, ePub and Kindle
| Author | : |
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| Total Pages | : 169 |
| Release | : 2009 |
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Download Search for Orbitally Excited B Mesons with the CDF II Detector Book in PDF, ePub and Kindle
| Author | : Andreas Gessler |
| Publisher | : |
| Total Pages | : |
| Release | : 2009 |
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Download Search for Orbitally Excited B Mesons with the CDF II Detector Book in PDF, ePub and Kindle
| Author | : Igor V. Gorelov |
| Publisher | : |
| Total Pages | : 4 |
| Release | : 2006 |
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Download Latest Results on Orbitally Excited Strange Bottom Mesons with the CDF II Detector Book in PDF, ePub and Kindle
The authors present the latest results on the spectroscopy of orbitally excited strange bottom mesons from {approx} 1 fb{sup -1} of CDF data. The measurements are performed with fully reconstructed B decays collected by the CDF II detector at {radical}s = 1.96 TeV in both the di-muon and the fully hadronic trigger paths.
| Author | : Martin Heck |
| Publisher | : |
| Total Pages | : |
| Release | : 2009 |
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Download Spectroscopy of Orbitally Excited Bs Mesons with the CDF II Detector Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : 127 |
| Release | : 2014 |
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Download Study of Orbitally Excited $B_{(s)}$ Mesons and Evidence for a New $B\pi$ Resonance with the CDF II Detector Book in PDF, ePub and Kindle
This thesis presents an analysis of excited states of B0, B+ and B0 s mesons, decaying to B mesons while emitting a pion or kaon. They are reconstructed from their decay products and a selection is performed to discard wrongly reconstructed B(s) mesons with the multivariate analysis software NeuroBayes, as described in chapter 5. In the training process, the sPlot method and measured and simulated data are used. Chapter 6 describes how the properties of excited B(s) are determined by an unbinned maximum likelihood t to their mass spectra. The systematic uncertainties determined in this analysis are described in chapter 7. The results of this thesis are presented in chapter 8 and a conclusion is given in chapter 9. The results shown in this thesis have been published before in [1].
| Author | : Manuel Kambeitz |
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| Total Pages | : |
| Release | : 2014 |
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Download Study of Orbitally Excited B(s) Mesons and Evidence for a New B Π Resonance with the CDF II Detector Book in PDF, ePub and Kindle
| Author | : |
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| Total Pages | : 7 |
| Release | : 2008 |
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Download Measurement of Resonance Parameters of Orbitally Excited Narrow B0̂ Mesons Book in PDF, ePub and Kindle
The authors report a measurement of resonance parameters of the orbitally excited (L = 1) narrow B° mesons in decays to B{sup (*)+}?− using 1.7 fb−1 of data collected by the CDF II detector at the Fermilab Tevatron. The mass and width of the B*2° state are measured to be m(B*2°) = 5740.2{sub -1.8}{sup +1.7}(stat.){sub -0.8}{sup +0.9}(syst.) MeV/c2 and?(B*2°) = 22.7{sub -3.2}{sup +3.8}(stat.){sub -10.2}{sup +3.2}(syst.) MeV/c2. The mass difference between the B*2° and B1° states is measured to be 14.9{sub -2.5}{sup +2.2}(stat.){sub -1.4}{sup +1.2}(syst.) MeV/c2, resulting in a B1° mass of 5725.3{sub -2.2}{sup +1.6}(stat.){sub -1.5}{sup +1.4}(syst.) MeV/c2. This is currently the most precise measurement of the masses of these states and the first measurement of the B*2° width.
