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Author : Kevin T. Flood
Publisher :
ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.:/5 (567 download)
Download or read book Search for Neutral D Meson Mixing Using Semileptonic Decays written by Kevin T. Flood and published by . This book was released on 2004 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Craig Phillip Prescott
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.:/5 (484 download)
Download or read book Search for Mixing in the Neutral D Meson System with Decays Into CP Even Eigenstates written by Craig Phillip Prescott and published by . This book was released on 2001 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Preliminary Measurement of Time-dependent B[sub D][sup 0]-B[sub D][sup 0] Mixing Using Topology and Charge Selected Semi-leptonic B Decays PDF Online Free](https://books.google.com/books/content/images/frontcover/q0_2jwEACAAJ?fife=w200-h370)
Download or read book Preliminary Measurement of Time-dependent B[sub D][sup 0]-B[sub D][sup 0] Mixing Using Topology and Charge Selected Semi-leptonic B Decays written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The time dependence of B[sub d][sup 0]-B[sub d][sup 0] mixing has been measured using a sample of 150,000 hadronic Z[sup 0] decays collected by the SLD experiment at the SLC between 1993 and 1995. The analysis identifies the semileptonic decays of B mesons with high (p, p[sub t]) leptons and reconstructs the B meson decay length and charge by vertexing the lepton with a partially reconstructed D meson. Vertex charge is used to enrich the selection of neutral over charged B mesons. This method results in a sample of 581 neutral decays with high charge purity. The B candidate is tagged at production with a combined tag that exploits the large polarized b forward-backward asymmetry in conjunction with the opposite hemisphere b jet charge. The final state is tagged by the sign of the high (p, p[sub t]) lepton. From their preliminary analysis the authors find a mass difference between the two B[sub d][sup 0] mass eigenstates of, [Delta]m[sub d]= 0.452[+-] 0.074(stat)[+-] 0.049(syst) ps[sup[minus]1].
![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 : Michael G. Hosack
Publisher :
ISBN 13 :
Total Pages : 394 pages
Book Rating : 4.:/5 (525 download)
Download or read book A Search for D0-D̄0 Mixing in Semileptonic Decays from Focus written by Michael G. Hosack and published by . This book was released on 2002 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth Arthur Bloom
Publisher :
ISBN 13 :
Total Pages : 584 pages
Book Rating : 4.E/5 ( download)
Download or read book Analysis of Semileptonic Decays of B Mesons and D Mesons written by Kenneth Arthur Bloom and published by . This book was released on 1997 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard Carl Gray
Publisher :
ISBN 13 : 9781109020489
Total Pages : 202 pages
Book Rating : 4.0/5 (24 download)
Download or read book Semileptonic Decays of Charged D Meson Going to Eta-lepton-neutrino with Generic Reconstruction of Fully Hadronic Charged D Meson and Neutral D Meson Decays written by Richard Carl Gray and published by . This book was released on 2008 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: We study the semileptonic decays D + & rarr; eta'e+nu and D+ & rarr; etae+nu using 818 pb-1 of e+ e- collisions recorded by the CLEO-c detector located at the Cornell Electron Storage Ring. We employ a technique that uses the detector hermeticity to reconstruct the neutrino as missing energy and momentum. We improve the neutrino resolution by developing a generic algorithm to reconstruct the non-signal D, and constrain systematic uncertainties in the efficiency by using the algorithm to measure the branching fractions of D+ and D0 hadronic decays. We observe and measure the branching fractions of 67 hadronic decays, 32 of which are not listed in the PDG 2008. We find B (D+ & rarr; eta'e +nu) = (2.16 +/- 0.53 +/- 0.05 +/- 0.05) x 10-4 and B (D+ & rarr; etae +nu) = (11.7 +/- 0.98 +/- 0.34 +/- 0.26) x 10-4. Among the 67 D hadronic branching fractions observed in this analysis, we discover the decay B (D+ & rarr; pi+etaeta) = (0.34 +/- 0.06 +/- 0.032)% which is unexpectedly large considering the limited phase space available to the decay.
Author : Arun K. Tripathi
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (376 download)
Download or read book Search for D0-D0 Mixing Using Semileptonic Decays written by Arun K. Tripathi and published by . This book was released on 1997 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sheldon Stone
Publisher : World Scientific
ISBN 13 : 9789810218362
Total Pages : 676 pages
Book Rating : 4.2/5 (183 download)
Download or read book B Decays written by Sheldon Stone and published by World Scientific. This book was released on 1994 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 2nd edition is an extensive update of "B Decays?. The revisions are necessary because of the extensive amount of new data and new theoretical ideas. This book reviews what is known about b-quark decays and also looks at what can be learned in the future.The importance of this research area is increasing, as evidenced by the approval of the luminosity upgrade for CESR and the asymmetric B factories at SLAC and KEK, and the possibility of experiments at hadron colliders.The key experimental observations made thus far, measurement of the lifetimes of the different B species, B0-B0 mixing, the discovery of ?Penguin? mediated decays, and the extraction of the CKM matrix elements Vub and Vcb from semileptonic decays, as well as more mundane results, are described in great detail by the experimentalists who have been closely involved with making the measurements. Theoretical progress in understanding b-quark decays using HQET and lattice gauge techniques are described by theorists who have developed and used these techniques.Synthesizing the experimental and theoretical information, several articles discuss the implications for the ?Standard Model? and how further tests can be done using measurements of CP violation in the B system.
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}
Author : Jean Thanh Vân Trâǹ
Publisher : Atlantica Séguier Frontières
ISBN 13 : 9782863322444
Total Pages : 548 pages
Book Rating : 4.3/5 (224 download)
Download or read book '98 Electroweak Interactions and Unified Theories written by Jean Thanh Vân Trâǹ and published by Atlantica Séguier Frontières. This book was released on 1999 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. Pilar
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Measurement of the Neutral D Meson Mixing Parameters in D0 -> KSπ+π− Decays written by T. Pilar and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lauren L. Hsu
Publisher :
ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.:/5 (568 download)
Download or read book A Study of the Form Factors in Semileptonic Neutral D-meson Decays to Pion and Kaon Modes Using the CLEO-III Detector written by Lauren L. Hsu and published by . This book was released on 2004 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sheldon Stone
Publisher : World Scientific
ISBN 13 : 9814506109
Total Pages : 502 pages
Book Rating : 4.8/5 (145 download)
Download or read book B Decays written by Sheldon Stone and published by World Scientific. This book was released on 1992-03-27 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of b quarks has now reached a stage where it is useful to review what has been learned so far and also to look at the implications of future studies. The most important observations thus far — measurement of the “B” lifetime, B0 — B0 mixing, and the observation of b→ u transitions, as well as more mundane results on hadronic and semileptonic transitions — are described in detail by experimentalists who have been closely involved with the measurements. Theoretical progress in understanding b quark decays, including the mechanisms of hadronic and semileptonic decays, are described. Synthesizing the experimental and theoretical information, the authors discuss tests of the standard model and measurements of standard model parameters. Possibilities of more extensive tests using measurement of CP violation in the B system are also addressed.
Author :
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (16 download)
Download or read book Search for D°-{bar D}° Mixing Using Semileptonic Decay Modes written by and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on an 87-fb−1 dataset collected by the BABAR detector at the PEP-II asymmetric-energy B-Factory, a search for D°-{bar D}° mixing has been made using the semileptonic decay modes D* -->?+ D°{sub z} D° --> K*?? (+c.c.). The use of these modes allows unambiguous flavor tagging and a combined fit of the D° decay time and D*+-D° mass difference (?M) distributions. The high-statistics sample of unmixed semileptonic D° decays is used to model the?M distribution and time-dependence of mixed events directly from the data. Neural networks are used to select events and reconstruct the D°. 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 : Cristiano Borean
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (18 download)
Download or read book Semileptonic Decay of the Neutral B Meson Into a D Meson written by Cristiano Borean and published by . This book was released on 2003 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cline David B
Publisher : World Scientific
ISBN 13 : 9814545821
Total Pages : 396 pages
Book Rating : 4.8/5 (145 download)
Download or read book Flavor-changing Neutral Currents: Present And Future Studies: Proceedings Of The Symposium written by Cline David B and published by World Scientific. This book was released on 1997-11-29 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Partial differential equations form an essential part of the core mathematics syllabus for undergraduate scientists and engineers. The origins and applications of such equations occur in a variety of different fields, ranging from fluid dynamics, electromagnetism, heat conduction and diffusion, to quantum mechanics, wave propagation and general relativity.This volume introduces the important methods used in the solution of partial differential equations. Written primarily for second-year and final-year students taking physics and engineering courses, it will also be of value to mathematicians studying mathematical methods as part of their course. The text, which assumes only that the reader has followed a good basic first-year ancillary mathematics course, is self-contained and is an unabridged republication of the third edition published by Longman in 1985.
