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Author :
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (727 download)
Download or read book Search for D^0-\overline{D}^0 Mixing Using Doubly Flavor TaggedSemileptonic Decay Modes written by and published by . This book was released on 2007 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Search for D[sup 0]-[bar D][sup 0] Mixing Using Semileptonic Decay Modes PDF Online Free](https://books.google.com/books/content/images/frontcover/2WDijwEACAAJ?fife=w200-h370)
Download or read book Search for D[sup 0]-[bar D][sup 0] Mixing Using Semileptonic Decay Modes written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on an 87-fb[sup -1] dataset collected by the BABAR detector at the PEP-II asymmetric-energy B-Factory, a search for D[sup 0]-[bar D][sup 0] mixing has been made using the semileptonic decay modes D*[sup +] --> [pi][sup +] D[sup 0][sub z] D[sup 0] --> K*[epsilon][nu] (+c.c.). The use of these modes allows unambiguous flavor tagging and a combined fit of the D[sup 0] decay time and D*[sup +]-D[sup 0] mass difference ([Delta]M) distributions. The high-statistics sample of unmixed semileptonic D[sup 0] decays is used to model the [Delta]M distribution and time-dependence of mixed events directly from the data. Neural networks are used to select events and reconstruct the D[sup 0]. A result consistent with no charm mixing has been obtained. R[sub mix] = 0.0023 [+-] 0.0012 [+-] 0.0004. This corresponds to an upper limit of R[sub mix]
Author : K. T. Flood
Publisher :
ISBN 13 :
Total Pages : 3 pages
Book Rating : 4.:/5 (316 download)
Download or read book Search for D0 Anti-D0 Mixing Using Semileptonic Decays written by K. T. Flood and published by . This book was released on 2005 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on an 87-fb{sup -1} dataset collected by the Babar detector at the PEP-II asymmetric-energy B-Factory, a search for D{sup 0}-{bar D}{sup 0} mixing has been made using the semileptonic decay modes D*{sup +} {yields} {pi}{sup +}D{sup 0}, D{sup 0} {yields} Ke{nu} (+c.c.). The use of these modes allows unambiguous flavor tagging and a combined fit of the D{sup 0} decay time and D*{sup +}-D{sup 0} mass difference ({Delta}M) distributions. The high-statistics sample of unmixed semileptonic D{sup 0} decays is used to model the {Delta}M distribution and time-dependence of mixed events directly from the data. Neural networks are used to select events and reconstruct the D{sup 0}. A result consistent with no charm mixing has been obtained, R{sub mix} = 0.0023 {+-} 0.0012 {+-} 0.0004. This corresponds to an upper limit of R{sub mix}
