Last Year Of Pep Ii B Factory Operation PDF Download
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Total Pages | : 5 |
Release | : 2011 |
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Download Last Year of PEP-II B-Factory Operation Book in PDF, ePub and Kindle
The PEP-II B-Factory at SLAC (3.1 GeV e x 9.0 GeV e−) operated from 1999 to 2008, delivering luminosity to the BaBar experiment. The design luminosity was reached after one and a half years of operation. In the end PEP-II surpassed by four times its design luminosity reaching 1.21 x 1034 cm−2 s−1. It also set stored beam current records of 2.1 A e− and 3.2 A e+. Continuous injection was implemented with BaBar taking data. The total delivered luminosity to the BaBar detector was 557.4 fb−1 spanning five upsilon resonances. PEP-II was constructed by SLAC, LBNL, and LLNL with help from BINP, IHEP, the BaBar collaboration, and the US DOE OHEP.
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Total Pages | : 5 |
Release | : 2001 |
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Download Status Report and Future Plans for the PEP-II B Factory Book in PDF, ePub and Kindle
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Total Pages | : 3 |
Release | : 2004 |
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Download Results and Plans of the PEP-II B-Factory Book in PDF, ePub and Kindle
PEP-II is an ee− B-Factory Collider located at SLAC operating at the Upsilon 4S resonance (3.1 GeV x 9 GeV). PEP-II has delivered, over the past five years, an integrated luminosity to the BaBar detector of about 240 fb−1 and has reached a luminosity of 9.21 x 1033/cm2/s. Steady progress is being made in reaching higher luminosity. The goal over the next several years is to reach a luminosity of at least 2.4 x 1034/cm2/s. The accelerator physics issues being addressed in PEP-II to reach this goal include the electron cloud instability, beam-beam effects, parasitic beam-beam effects, high RF beam loading, shorter bunches, lower beta y interaction region operation, and coupling control. A view of the PEP-II tunnel is shown in Figure 1. The present parameters of the PEP-II B-Factory are shown in Table 1 compared to the design. The present peak luminosity is over three times the design and the best integrated luminosity per month is 16 fb−1 that is five times the design. The highest luminosity per month is shown in Figure 2. The integrated luminosity over a month is shown in Figure 3 and the total integrated luminosity in Run 4 in shown in Figure 4. The progress in integrated luminosity has come from correcting the orbits, lowering beta y, moving the fractional horizontal tunes in both rings to just above the half integer (
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Total Pages | : 15 |
Release | : 1961 |
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Download Advies aan de Interdepartementale Werkgroep ad hoc inzake de relaties met de minder ontwikkelde landen Book in PDF, ePub and Kindle
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Total Pages | : 4 |
Release | : 1913 |
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Download Une Brute humaine Book in PDF, ePub and Kindle
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Total Pages | : 1020 |
Release | : 1993 |
Genre | : Administrative law |
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Download Federal Register Book in PDF, ePub and Kindle
Author | : Boštjan Golob |
Publisher | : Morgan & Claypool Publishers |
Total Pages | : 120 |
Release | : 2019-04-01 |
Genre | : Science |
ISBN | : 1643272527 |
Download B Factories Book in PDF, ePub and Kindle
B Factories are particle colliders at which specific subatomic particles - B mesons - are produced abundantly. The purpose is to study the properties of their decays in great detail in order to shed light on a mystery of eminently larger scale: why do we live in a universe composed of anti-matter? This book introduces readers to the physics laws of the CP asymmetry, touching on experimental requirements needed to perform such measurements at the subatomic level, and illustrating the main findings of the contemporary B Factories.
Author | : T Ohshima |
Publisher | : World Scientific |
Total Pages | : 392 |
Release | : 2001-09-25 |
Genre | : Science |
ISBN | : 9814490776 |
Download B Physics And Cp Violation: Bcp4 - Proceedings Of The International Workshop Book in PDF, ePub and Kindle
This book offers the first strong evidence of the existence of CP violation in neutral B decays extracted from sophisticated B factories in the US and Japan. It also holds out the expectation of rare B decays and D, K physics in the near future. In addition, new physics beyond the Standard Model is described. Both experimental and theoretical points of view are given.
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Total Pages | : 46 |
Release | : 1930 |
Genre | : Bells |
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Download McShane Bell Foundry Company, Inc Book in PDF, ePub and Kindle
Author | : M. C. Ross |
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Total Pages | : 3 |
Release | : 2006 |
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Download Performance of the PEP-II B-Factory Collider at SLAC. Book in PDF, ePub and Kindle
PEP-II is an e{sup +}e{sup -} asymmetric B-Factory Collider located at SLAC operating at the Upsilon 4S resonance (3.1 GeV x 9 GeV). It has reached a luminosity of 9.21 x 10{sup 33}/cm{sup 2}/s and has delivered an integrated luminosity of 710 pb{sup -1} in one day. PEP-II has delivered, over the past six years, an integrated luminosity to the BaBar detector of over 262 fb{sup -1}. PEP-II operates in continuous injection mode for both beams boosting the integrated luminosity. The peak positron current has reached 2.45 A in 1588 bunches. Steady progress is being made in reaching higher luminosity. The goal over the next several years is to reach a luminosity of 2.1 x 10{sup 34}/cm{sup 2}/s. The accelerator physics issues being addressed in PEP-II to reach this goal include the electron cloud instability, beam-beam effects, parasitic beam-beam effects, high RF beam loading, shorter bunches, lower {beta}*{sub y} interaction region operation, and coupling control. Figure 1 shows the PEP-II tunnel.