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Author : I. Bediaga
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (354 download)
Download or read book Pseudoscalar Mesons and Scalar Diquarks Decay Constants written by I. Bediaga and published by . This book was released on 1983 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : University of Rochester. Dept. of Physics and Astronomy
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (632 download)
Download or read book Decay Constants of Pseudoscalar Mesons Containing Heavy Quarks written by University of Rochester. Dept. of Physics and Astronomy and published by . This book was released on with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Charmed and Light Pseudoscalar Meson Decay Constants from HISQ Simulations written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We compute the leptonic decay constants $f_{D^+}$, $f_{D_s}$, and $f_{K^+}$, and the quark-mass ratios $m_c/m_s$ and $m_s/m_l$ in unquenched lattice QCD. We use the MILC highly improved staggered quark (HISQ) ensembles with four dynamical quark flavors. Our primary results are $f_{D^+} = 212.6(0.4)({}^{+1.0}_{-1.2})\ \mathrm{MeV}$, $f_{D_s} = 249.0(0.3)({}^{+1.1}_{-1.5})\ \mathrm{MeV}$, and $f_{D_s}/f_{D^+} = 1.1712(10)({}^{+29}_{-32})$, where the errors are statistical and total systematic, respectively. We also obtain $f_{K^+}/f_{\pi^+} = 1.1956(10)({}^{+26}_{-18})$, updating our previous result, and determine the quark-mass ratios $m_s/m_l = 27.35(5)({}^{+10}_{-7})$ and $m_c/m_s = 11.747(19)({}^{+59}_{-43})$. When combined with experimental measurements of the decay rates, our results lead to precise determinations of the CKM matrix elements $
Download or read book Charmed and Light Pseudoscalar Meson Decay Constants from Four-flavor Lattice QCD with Physical Light Quarks written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (16 download)
Download or read book Charmed and Strange Pseudoscalar Meson Decay Constants from HISQ Simulations written by and published by . This book was released on 2013 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 782 pages
Book Rating : 4.3/5 (129 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Leptonic Decays of Charged Pseudoscalar Mesons - 2015 written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We review the physics of purely leptonic decays of $\pi^\pm$, $K^\pm$, $D^{\pm}$, $D_s^\pm$, and $B^\pm$ pseudoscalar mesons. The measured decay rates are related to the product of the relevant weak-interaction-based CKM matrix element of the constituent quarks and a strong interaction parameter related to the overlap of the quark and antiquark wave-functions in the meson, called the decay constant $f_P$. The leptonic decay constants for $\pi^\pm$, $K^\pm$, $D^{\pm}$, $D_s^\pm$, and $B^\pm$ mesons can be obtained with controlled theoretical uncertainties and high precision from {\it ab initio} lattice-QCD simulations. The combination of experimental leptonic decay-rate measurements and theoretical decay-constant calculations enables the determination of several elements of the CKM matrix within the standard model. These determinations are competitive with those obtained from semileptonic decays, and also complementary because they are sensitive to different quark flavor-changing currents. They can also be used to test the unitarity of the first and second rows of the CKM matrix. Conversely, taking the CKM elements predicted by unitarity, one can infer "experimental" values for $f_P$ that can be compared with theory. These provide tests of lattice-QCD methods, provided new-physics contributions to leptonic decays are negligible at the current level of precision. This review is the basis of the article in the Particle Data Group's 2016 edition, updating the versions in Refs. [1-3].
Author :
Publisher :
ISBN 13 :
Total Pages : 586 pages
Book Rating : 4.X/5 (6 download)
Download or read book Physics of Atomic Nuclei written by and published by . This book was released on 1999 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Benoit Blossier
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (436 download)
Download or read book Pseudoscalar Decay Constants of Kaon and D-mesons from Nf written by Benoit Blossier and published by . This book was released on 2009 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Flavour Breaking Effects in the Pseudoscalar Meson Decay Constants written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William Dean Brewer
Publisher : Springer Nature
ISBN 13 : 3030410110
Total Pages : 397 pages
Book Rating : 4.0/5 (34 download)
Download or read book Jayme Tiomno written by William Dean Brewer and published by Springer Nature. This book was released on 2020-05-20 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: Jayme Tiomno (1920-2011) was one of the most influential Brazilian physicists of the 20th century, interacting with many of the renowned physicists of his time, including John Wheeler and Richard Feynman, Eugene Wigner, Chen Ning Yang, David Bohm, Murray Gell-Mann, Remo Ruffini, Abdus Salam, and many others. This biography tells the sometimes romantic, often discouraging but finally optimistic story of a dedicated scientist and educator from a developing country who made important contributions to particle physics, gravitation, cosmology and field theory, and to the advancement of science and of scientific education, in many institutions in Brazil and elsewhere. Drawing on unpublished documents from archives in Brazil and the US as well as private sources, the book traces Tiomno's long life, following his role in the establishment of various research facilities and his tribulations during the Brazilian military dictatorship. It presents a story of progress and setbacks in advancing science in Brazil and beyond, and of the persistence and dedication of a talented physicist who spent his life in search of scientific truth.
Author : E. Klempt
Publisher : Elsevier
ISBN 13 : 1483278026
Total Pages : 457 pages
Book Rating : 4.4/5 (832 download)
Download or read book The Hadron Mass Spectrum written by E. Klempt and published by Elsevier. This book was released on 2016-06-03 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Hadron Mass Spectrum covers the proceedings of the Rheinfels Workshop on the Hadron Mass Spectrum, held in St. Goar, Germany on September 3-6, 1990. The book focuses on the processes, methodologies, and reactions involved in hadron spectroscopy. The selection first offers information on strange meson and strangeonium spectroscopy and strangeonium production from LASS. The book also takes a look at the status of strange meson spectroscopy, including status of the spectroscopy, systematics of the level structure, and contributions from LASS. The publication examines the scalar meson enigma and two photon couplings of scalar and tensor mesons. The manuscript also touches on rhoprimes, omegaprimes, and glueballs; meson production mechanisms and selection criteria for cryptoexotic states; and light meson spectroscopy and threshold effects. The selection is a dependable reference for readers interested in hadron mass spectrum.
Author :
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ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (16 download)
Download or read book Decay Constants of P and D Wave Heavy Light Mesons written by and published by . This book was released on 1996 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: We investigate decay constants of P- and D-wave heavy-light mesons within the mock-meson approach. Numerical estimates are obtained using the relativistic quark model. We also comment on recent calculations of heavy-light pseudo-scalar and vector decay constants.
Author : A. J. Buras
Publisher :
ISBN 13 :
Total Pages : 396 pages
Book Rating : 4.3/5 (91 download)
Download or read book Hadronic Matrix Elements and Weak Decays written by A. J. Buras and published by . This book was released on 1989 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (893 download)
Download or read book Decay Constants and Wave Functions of Heavy-light Pseudoscalars written by and published by . This book was released on 1990 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: Calculations of the pseudoscalar decay constant for mesons containing one heavy quark (i.e., f{sub D}, f{sub B}) are reported. Results at [beta] = 6.0 using the static-quark approximation for the heavy-quark propagator are compared to results using a propagating heavy quark with Wilson fermions at ([beta] = 6.0, [beta] = 6.1 and [beta] = 6.3). Further investigation into the dynamics governing these systems is made by measuring the Bethe-Salpeter wave function for each case. 15 refs., 5 figs., 1 tab.
Author : Argonne National Laboratory. Physics Division
Publisher :
ISBN 13 :
Total Pages : 274 pages
Book Rating : 4.E/5 ( download)
Download or read book Physics Division Annual Report written by Argonne National Laboratory. Physics Division and published by . This book was released on 1998 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 460 pages
Book Rating : 4.3/5 (91 download)
Download or read book QCD. written by and published by . This book was released on 1990 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
