Study of the Rare Decay B0 to Pi0 Pi0 at BaBar PDF Download
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Languages : en
Pages : 5
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The BABAR experiment operating at the PEP-II ee− collider is designed to study CP violation effects in the B-meson system. From May 1999 to June 2002 approximately 81 fb−1 of data have been collected at the [Upsilon](4S) resonance, containing (87.9 ± 1.4) Million BB pairs. From this data sample the branching fraction for the decay B° 2![pi]°[pi]° has been extracted using a multi-dimensional maximum likelihood technique. With an efficiency of 20.4%, we find 3614−1{sup +15+1} B° 2![pi]°[pi]° events and measure the branching fraction to be [Beta](B° 2![pi]°[pi]°) = (2.0{sub -0.8-0.2}{sup +0.9+0.3}) x 10−6 where the first error is statistical and the second systematic. The statistical significance is 3.1[sigma] and we report an upper limit of [Beta](B° 2![pi]°[pi]°)
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Category :
Languages : en
Pages : 5
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Book Description
The BABAR experiment operating at the PEP-II ee− collider is designed to study CP violation effects in the B-meson system. From May 1999 to June 2002 approximately 81 fb−1 of data have been collected at the [Upsilon](4S) resonance, containing (87.9 ± 1.4) Million BB pairs. From this data sample the branching fraction for the decay B° 2![pi]°[pi]° has been extracted using a multi-dimensional maximum likelihood technique. With an efficiency of 20.4%, we find 3614−1{sup +15+1} B° 2![pi]°[pi]° events and measure the branching fraction to be [Beta](B° 2![pi]°[pi]°) = (2.0{sub -0.8-0.2}{sup +0.9+0.3}) x 10−6 where the first error is statistical and the second systematic. The statistical significance is 3.1[sigma] and we report an upper limit of [Beta](B° 2![pi]°[pi]°)
![Study of the Rare Decay of B°->[pi]°[pi]° at BaBar PDF](https://books.google.com/books/content/images/frontcover/FGnMjgEACAAJ?fife=w80-h100)
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Languages : en
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Author: Daniel Anthony Bowerman
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Languages : en
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![A Study of the Rare Charmless Hadronic B Decay B 2!a0 +[pi]0 Using the BaBar Detector PDF](https://books.google.com/books/content/images/frontcover/f9yAnQAACAAJ?fife=w80-h100)
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Languages : en
Pages : 208
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An upper limit has been extracted, at the 90% C.L, for the rare charmless hadronic B meson decay B ± → a0(980)±[pi]0, where a0(980)± →[eta][pi]± and [eta]→[gamma][gamma] or [eta]→ [pi]+[pi]-[pi]0. The analysis was based on a sample of approximately 340.7 fb-1 of data taken at the (4S) resonance with the BABAR detector at the PEP-II e+e- collider at SLAC from May 1999 to August 2006. The sample contains (379.9 ± 4.2) million B$\bar{B}$ pairs.
Author: William Panduro Vazquez
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Languages : en
Pages :
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![Search for the Rare Decay B0 - J/[psi]/[gamma] in the BABAR Experiment PDF](https://books.google.com/books/content/images/frontcover/Lo0xQwAACAAJ?fife=w80-h100)
Author: Sheila McLachlin
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Category :
Languages : en
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Author: Jianbo Wang
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Category :
Languages : en
Pages : 264
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We study on the rare decay
Author: Sheila McLachlin
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Languages : en
Pages :
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![Study of Rare B-Meson Decays Related to the CP Observable Sin(2[beta] + [gamma]) at the BABAR Experiment PDF](https://books.google.com/books/content/images/frontcover/hbBPAQAAMAAJ?fife=w80-h100)
Author: Toyoko Jennifer Orimoto
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Languages : en
Pages : 476
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Author: Christopher Thomas Potter
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Category : Mesons
Languages : en
Pages : 446
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