Measurement of the Total Hadronic Cross-Section Below the Upsilon(4S) Resonance at BaBar Using Initial-State Radiation

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The authors present an inclusive measurement of {Delta}{alpha}{sub had}{sup (5)}(m{sub Z}{sup 2}) at BABAR using the Initial State Radiation (ISR) technique in e{sup +}e{sup -} interactions to simultaneously explore the whole low energy range at reduced center-of-mass energies below 7 GeV, where the current knowledge of e{sup +}e{sup -} {yields} hadrons production limits the precision of the prediction of the running of {alpha}. The BABAR ISR data sample is considerably larger than existing e{sup +}e{sup -} R scan measurement data over most of the low energy range, and there are also many systematic advantages with the ISR technique to allow ... continued below

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387 pages

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Berger, Nicolas J. P. June 28, 2007.

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The authors present an inclusive measurement of {Delta}{alpha}{sub had}{sup (5)}(m{sub Z}{sup 2}) at BABAR using the Initial State Radiation (ISR) technique in e{sup +}e{sup -} interactions to simultaneously explore the whole low energy range at reduced center-of-mass energies below 7 GeV, where the current knowledge of e{sup +}e{sup -} {yields} hadrons production limits the precision of the prediction of the running of {alpha}. The BABAR ISR data sample is considerably larger than existing e{sup +}e{sup -} R scan measurement data over most of the low energy range, and there are also many systematic advantages with the ISR technique to allow significantly improved precision on the integral for {Delta}{alpha}{sub had}{sup (5)}(m{sub Z}{sup 2}). This thesis reports on a measurement of {Delta}{alpha}{sub had}{sup (5)}(m{sub Z}{sup 2}) at the 3% precision level, improving on the current knowledge of this quantity.

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387 pages

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  • Report No.: SLAC-R-874
  • Grant Number: AC02-76SF00515
  • DOI: 10.2172/909316 | External Link
  • Office of Scientific & Technical Information Report Number: 909316
  • Archival Resource Key: ark:/67531/metadc888592

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  • June 28, 2007

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Sept. 26, 2017, 1:13 p.m.

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Berger, Nicolas J. P. Measurement of the Total Hadronic Cross-Section Below the Upsilon(4S) Resonance at BaBar Using Initial-State Radiation, report, June 28, 2007; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc888592/: accessed September 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.