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in creator/contributor: "Lange, D. J."  
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Measurements of B meson decays to (omega)K* and (omega)(rho)

Description: The authors describe searches for B meson decays to the charmless vector-vector final states {omega}K* and {omega}{rho} in 89 million B{bar B} pairs produced in e{sup +}e{sup -} annihilation at {radical}s = 10.58 GeV.
Date: March 14, 2006
Creator: Aubert, B.; Cheng, C. H.; Lange, D. J.; Simani, M. C.; Wright, D. M.; Abrams, G. S. et al.
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Partner: UNT Libraries Government Documents Department
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Performance and Aging Studies of BaBar Resistive Plate Chambers

Description: The BaBar detector is currently operating nearly 200 Resistive Plate Chambers (RPCs), constructed as part of an upgrade of the forward endcap muon detector in 2002. Although the average RPC efficiency remains high, numerous changes in the RPC performance (increased currents and rates) have been observed. A few of the highest rate RPCs have suffered efficiency losses of more than 15%. Several types of efficiency loss have been observed. Tests with humidified gas have shown that some of the lost … more
Date: October 13, 2006
Creator: Band, H. R.; Hollar, J.; Tan, P.; Anulli, F.; Baldini, R.; Calcaterra, A. et al.
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Partner: UNT Libraries Government Documents Department
open access

Performance of 2nd Generation BaBar Resistive Plate Chambers

Description: The BaBar detector has operated nearly 200 Resistive Plate Chambers (RPCs), constructed as part of an upgrade of the forward endcap muon detector, for the past two years. The RPCs experience widely different background and luminosity-driven singles rates (0.01-10 Hz/cm{sup 2}) depending on position within the endcap. Some regions have integrated over 0.3 C/cm{sup 2}. RPC efficiency measured with cosmic rays is high and stable. The average efficiency measured with beam is also high. However, a f… more
Date: July 12, 2005
Creator: Anulli, F.; Baldini, R.; Calcaterra, A.; de Sangro, R.; Finocchiaro, G.; Patteri, P. et al.
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Partner: UNT Libraries Government Documents Department
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