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Author : Stefan Schaefer
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (5 download)
Download or read book Kaon Semileptonic Decay Form Factors from N[subscript F] written by Stefan Schaefer and published by . This book was released on 2007 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : QCDSF Collaboration
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (254 download)
Download or read book Kaon Semileptonic Decay Form Factors from Nf written by QCDSF Collaboration and published by . This book was released on 2007 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (16 download)
Download or read book Kaon Semileptonic Decay Form Factors with HISQ Valence Quarks written by and published by . This book was released on 2012 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Form Factors of Kaon Semileptonic Decays written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A calculation of the semi-leptonic decays of the kaon (K13) is presented. The results are direct predictions of a covariant model of the pion and kaon introduced earlier by Ito, Buck, and Gross. The weak form factors for K13 are predicted with absolutely no parameter adjustments of the model. The authors obtained for the form factor parameters: f(q2 = m12)/f+(q2 = m12) = 0.28 and?+ = 0.028, both within experimental error bars. Connections of this approach to heavy quark symmetry is also discussed.
Download or read book Kaon Semileptonic Decays with $N_f written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We discuss the reduction of errors in the calculation of the form factor $f_+^{K \pi}(0)$ with HISQ fermions on the $N_f=2+1+1$ MILC configurations from increased statistics on some key ensembles, new data on ensembles with lattice spacings down to 0.042 fm and the study of finite-volume effects within staggered ChPT. We also study the implications for the unitarity of the CKM matrix in the first row and for current tensions with leptonic determinations of $\vert V_{us}\vert$.
Download or read book Unified Description of Kaon Electroweak Form Factors written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A calculation of the semileptonic decays of the kaon (K{sub l3}) is presented. The results are direct predictions of a covariant model of the pion and kaon introduced earlier by Ito, Buck, Gross. The weak form factors for K{sub l3} are predicted with absolutely no parameter adjustments of the model. The authors obtained for the form factor parameters: f(q2=m{sub l}2)/f+(q2=m{sub l}2)=-0.28 and [lambda]+= 0.028, both within experimental error bars. Connections of this approach to heavy quark symmetry will also be discussed.
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 : Anders Ryd
Publisher :
ISBN 13 :
Total Pages : 165 pages
Book Rating : 4.:/5 (362 download)
Download or read book Measurement of B Meson Semileptonic Decay Form Factors written by Anders Ryd and published by . This book was released on 1996 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Measurement of B -] D Form Factors in the Semileptonic Decay B -] D* L Nu at BaBar written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract Not Provided.
Author : R. S. Marques de Carvalho
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (559 download)
Download or read book Form Factors and Decay Rates for Heavy 'lâmbda' Semileptonic Decays from QCD Sum Rules written by R. S. Marques de Carvalho and published by . This book was released on 1999 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (873 download)
Download or read book Form Factors for $B$ to $Kll$ Semileptonic Decay from Three-Flavor Lattice QCD. written by and published by . This book was released on 2011 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We study the B 2!Kll− semileptonic decay process in three-flavor lattice QCD. We analyze several ensembles generated by theMILC collaboration at different lattice spacings and sea-quark masses. We use the asqtad improved staggered action for the light quarks and the clover action with the Fermilab interpretation for the heavy b quark. We present preliminary results for the vector current induced form factors for a range of kaon energies. Our analysis includes chiral and continuum extrapolations based on SU(2) staggered [chi]PT.
Author :
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ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (16 download)
Download or read book New Measurement of the Charged Kaon Semileptonic $K\̂pm \to \pi ̂\pi-̂ E\̂pm\nu$ ($K_E4$) Decay Branching Ratio and Hadronic Form Factors written by and published by . This book was released on 2013 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (873 download)
Download or read book $D$ Semileptonic Form Factors and $ written by and published by . This book was released on 2011 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The measured partial widths of the semileptonic decays D → Kl[nu] and D → [pi]l[nu] can be combined with the form factors calculated on the lattice to extract the CKM matrix elements.
Author : Jin Hong-Ying
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (957 download)
Download or read book Form Factors of the Semileptonic Decays B(D)-n+lv Near Zero Recoil written by Jin Hong-Ying and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Measurement of B -] D* Form Factors in the Semileptonic Decay B -] D* L Nu written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present a preliminary measurement of R[sub 1], and R[sub 2], and [rho][sup 2], which are the three parameters used to characterize the B [yields] D*[ell][bar [nu]][sub e] form factors (A[sub 1], V, and A[sub 2]). They use 85 x 10[sup 6] B[bar B]-pairs accumulated on the [Upsilon](4S) resonance at PEP-II. In this analysis they use the decay mode [bar B][sup 0] [yields] D[sup +]*e[sup -][bar [nu]] and its charge conjugate. The D*[sup +] is reconstructed in the channel D*[sup +] [yields] D[sup 0][pi][sup +] and the D[sup 0] in the channel D[sup 0] [yields] K[sup -][pi][sup +]. They parameterize the form factors in terms of their ratios (determined by the parameters R[sub 1] and R[sub 2]) and the common slope [rho][sup 2] in the variable w (a quantity related to the momentum transfer in the decay process). These parameters are determined via an unbinned maximum likelihood fit to the distributions in four kinematic variables (three decay angles and w). The results are R[sub 1] = 1.328 [+-] 0.055 [+-] 0.025 [+-] 0.025 and R[sub 2] = 0.920 [+-] 0.044 [+-] 0.020 [+-] 0.013 for the ratios and [rho][sup 2] = 0.769 [+-] 0.l039 [+-] 0.019 [+-] 0.032 for the slope. The stated errors are the statistical uncertainty from the data, statistical uncertainty from the size of the Monte Carlo sample and the systematic uncertainty, respectively.
Download or read book Form Factors of Semileptonic B and D Meson Decays in the Quark Confinement Model written by and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
