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A lattice study of the exclusive B --> K$*\gamma$ decay amplitude, using the Clover action at $\beta$ = 6.0 / APE Collaboration
We present the results of a numerical calculation of the B\rightarrow K^* \gamma form factors. The results have been obtained by studying the relevant correlation functions at \beta=6.0, on an 18^3 \times 64 lattice, using the {\rm O(a)}-improved fermion action, in the quenched approximation. [...]
hep-lat/9503020; CERN-TH-95-59; CERN-TH-95-059; ROME-1056-1994; LPTHE-ORSAY-94-88; SHEP-95-11; CERN-TH-95-59; ROMA-1-1056; LPT-HE-ORSAY-94-88; SHEP-95-11.- Roma : Roma 1, 1996 - 16 p. - Published in : Phys. Lett. B 365 (1996) 275-284 Access to fulltext document: PDF; Fulltext: PDF; External link: hep-lat/9503020 PDF - Please contact the library if you need to access this document.

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B --> K$*\gamma$ decay on APE / APE Collaboration
We present results for the radiative decay B\rightarrow K^* \gamma, obtained by using the Clover action at \beta = 6.0 on APE. The compatibility between the scaling laws predicted by the Heavy Quark Effective Theory (HQET) and pole dominance is discussed. [...]
hep-lat/9501015; LPTHE-ORSAY-94-109; LPTHE-94-109.- Orsay : Paris 11. Lab. Phys. Théor. Hautes Energ., 1995 - 3 p. - Published in : Nucl.Phys.Proc.Suppl. 42 (1995) 379-381 Access to fulltext document: PDF; Preprint: PDF; External link: hep-lat/9501015 PDF
In : 12th International Symposium on Lattice Field Theory, Bielefeld, Germany, 27 Sep - 1 Oct 1994, pp.379-381 - CERN library copies

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Lattice Calculation of D- and B-meson Semileptonic Decays, using the Clover Action at beta=6.0 on APE / Allton, C.R. (Rome U. ; INFN, Rome) ; Crisafulli, M. (Rome U. ; INFN, Rome) ; Lubicz, V. (Boston U.) ; Martinelli, G. (Rome U. ; INFN, Rome ; CERN) ; Rapuano, F. (Rome U. ; INFN, Rome ; CERN) ; Stella, N. (Southampton U.) ; Vladikas, A. (Rome U., Tor Vergata ; INFN, Rome) ; Bartoloni, A. (Rome U. ; INFN, Rome) ; Battista, C. (Rome U. ; INFN, Rome) ; Cabasino, S. (Rome U. ; INFN, Rome) et al.
We present the results of a high statistics lattice calculation of hadronic form factors relevant for $D-$ and $B-$meson semi-leptonic decays into light pseudoscalar and vector mesons. The results have been obtained by averaging over 170 gauge field configurations, generated in the quenched approximation, at $\beta=6.0$, on a $18^3 \times 64$ lattice, using the $O(a)$-improved SW-Clover action.From the study of the matrix element $<K^-\vert J_\mu \vert D^0>$, we obtain $f_+ (0)=0.78\pm 0.08$ and from the matrix element $<\bar K^{* 0}\vert J_\mu \vert D^+>$ we obtain $V(0)=1.08\pm 0.22$, $A_1(0)=0.67\pm 0.11$ and $A_2(0)=0.49\pm 0.34$. [...]
hep-lat/9411011; BU-HEP-94-29; CERN-TH-7484-94; ROME-1050-1994; SHEP-93-94-30; BU-HEP-94-29; CERN-TH-7484-94; ROMA-1-1050.- Boston, MA : Boston Univ., 1995 - 15 p. - Published in : Phys. Lett. B 345 (1995) 513-523 Access to fulltext document: th-7484-94 - PS.GZ; 9411011 - PDF; Fulltext: PDF; External link: hep-lat/9411011 PDF - Please contact the library if you need to access this document.

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