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Type: Conference paper
Title: Disconnected contributions to D-meson semi-leptonic decay form factors
Author: Bali, G.
Collins, S.
Horsley, R.
Kanamori, I.
Nakamura, Y.
Pleiter, D.
Perez-Rubio, P.
Rakow, P.
Schafer, A.
Schierholz, G.
Winter, F.
Zanotti, J.
Citation: PoS (Lattice 2011); 283
Publisher: Scuola Internazionale Superiore di Studi Avanzati (S I S S A)
Publisher Place: Italy
Issue Date: 2011
ISSN: 1824-8039
Conference Name: International Symposium on Lattice Field Theory (29th : 2011 : Lake Tahoe, California)
Statement of
G.S. Bali, S. Collins, R. Horsley, I. Kanamori, Y. Nakamura, D. Pleiter, P. Pérez-Rubio, P.E.L. Rakow, A. Schäfer, G. Schierholz, F. Winter and J.M. Zanotti (QCDSF Collaboration)
Abstract: We calculate the disconnected contribution to the form factor for the semileptonic decay of a D-meson into a final state, containing a flavor singlet et meson. We use QCDSF nf=2+1 configurations at the flavor symmetric point mu=md=ms and the partially quenched approximation for the relativism charm quark. Several acceleration and noise reduction techniques for the stochastic estimation of the disconnected loop are tested.
Rights: © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-Share A like Licence
DOI: 10.22323/1.139.0283
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Chemistry and Physics publications

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