Search Results - "Ewerth, T"

Updated Next-to-Next-to-Leading-Order QCD Predictions for the Weak Radiative B-Meson Decays by Misiak, M, Asatrian, H M, Boughezal, R, Czakon, M, Ewerth, T, Ferroglia, A, Fiedler, P, Gambino, P, Greub, C, Haisch, U, Huber, T, Kamiński, M, Ossola, G, Poradziński, M, Rehman, A, Schutzmeier, T, Steinhauser, M, Virto, J

“…Weak radiative decays of the B mesons belong to the most important flavor changing processes that provide constraints on physics at the TeV scale. In the…”
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Upper bounds on rare K and B decays from minimal flavour violation by Bobeth, Christoph, Bona, Marcella, Buras, Andrzej J., Ewerth, Thorsten, Pierini, Maurizio, Silvestrini, Luca, Weiler, Andreas

“…We study the branching ratios of rare K and B decays in models with minimal flavour violation, using the presently available information from the universal…”
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Charm quark mass dependence of the electromagnetic dipole operator contribution to B¯→Xsγ at O(αs2) by Asatrian, H.M., Ewerth, T., Gabrielyan, H., Greub, C.

“…We extend existing calculations of the electromagnetic dipole operator contribution to the total decay rate and the photon energy spectrum of the decay B¯→Xsγ…”
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Estimate of B ( B ¯ → X s γ ) at O ( α s 2 ) by Misiak, M., Asatrian, H. M., Bieri, K., Czakon, M., Czarnecki, A., Ewerth, T., Ferroglia, A., Gambino, P., Gorbahn, M., Greub, C., Haisch, U., Hovhannisyan, A., Hurth, T., Mitov, A., Poghosyan, V., Ślusarczyk, M., Steinhauser, M.

“…Combining our results for various O({alpha}{sub s}{sup 2}) corrections to the weak radiative B-meson decay, we are able to present the first estimate of the…”
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Charm quark mass dependence of the electromagnetic dipole operator contribution to B ¯ → X s γ at O ( α s 2 ) by Asatrian, H.M., Ewerth, T., Gabrielyan, H., Greub, C.

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Magnetic dipole operator contributions to the photon energy spectrum in B ¯ → X s γ at O ( α s 2 ) by Asatrian, H.M., Ewerth, T., Ferroglia, A., Gambino, P., Greub, C.

“…We compute the O ( α s 2 ) contributions to the photon energy spectrum of the inclusive decay B ¯ → X s γ associated with the magnetic penguin operator O 7 …”
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Magnetic dipole operator contributions to the photon energy spectrum in at by Asatrian, H.M., Ewerth, T., Ferroglia, A., Gambino, P., Greub, C.

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NNLL QCD contribution of the electromagnetic dipole operator to by Asatrian, H.M., Hovhannisyan, A., Poghosyan, V., Ewerth, T., Greub, C., Hurth, T.

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NNLL QCD contribution of the electromagnetic dipole operator to Γ ( B ¯ → X s γ ) by Asatrian, H.M., Hovhannisyan, A., Poghosyan, V., Ewerth, T., Greub, C., Hurth, T.

“…We present an independent calculation of that part of the O ( α s 2 ) contribution to the decay width Γ ( B ¯ → X s γ ) which arises from the self-interference…”
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Estimate of B(B(over) -->Xgamma) at O(alpha(s)2) by Misiak, M, Asatrian, H M, Bieri, K, Czakon, M, Czarnecki, A, Ewerth, T, Ferroglia, A, Gambino, P, Gorbahn, M, Greub, C, Haisch, U, Hovhannisyan, A, Hurth, T, Mitov, A, Poghosyan, V, Slusarczyk, M, Steinhauser, M

“…Combining our results for various O(alpha[s]) corrections to the weak radiative B-meson decay, we are able to present the first estimate of the branching ratio…”
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Enhancement of B ( B d → μ + μ − ) / B ( B s → μ + μ − ) in the MSSM with modified minimal flavor violation and large tan β by Bobeth, C., Ewerth, T., Krüger, F., Urban, J.

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Complete ( O 7 , O 8 ) contribution to B ¯ → X s γ at O ( α s 2 ) by Asatrian, H. M., Ewerth, T., Ferroglia, A., Greub, C., Ossola, G.

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Updated NNLO QCD predictions for the weak radiative B-meson decays by Misiak, M, Asatrian, H. M, Boughezal, R, Czakon, M, Ewerth, T, Ferroglia, A, Fiedler, P, Gambino, P, Greub, C, Haisch, U, Huber, T, Kaminski, M, Ossola, G, Poradzinski, M, Rehman, A, Schutzmeier, T, Steinhauser, M, Virto, J

“…Phys. Rev. Lett. 114, 221801 (2015) Weak radiative decays of the B mesons belong to the most important flavor changing processes that provide constraints on…”
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Complete (O_7,O_8) contribution to B -> X_s gamma at order alpha_s^2 by Asatrian, H. M, Ewerth, T, Ferroglia, A, Greub, C, Ossola, G

“…Phys.Rev.D82:074006,2010 We calculate the set of O(alpha_s^2) corrections to the branching ratio and to the photon energy spectrum of the decay process B ->…”
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Charm quark mass dependence of the electromagnetic dipole operator contribution to anti-B -> X(s) gamma at O(alpha2(s)) by Asatrian, H. M, Ewerth, T, Gabrielyan, H, Greub, C

“…Phys.Lett.B647:173-178,2007 We extend existing calculations of the electromagnetic dipole operator contribution to the total decay rate and the photon energy…”
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Magnetic dipole operator contributions to the photon energy spectrum in anti-B -> X(s) gamma at O(alpha(s)^2) by Asatrian, H. M, Ewerth, T, Ferroglia, A, Gambino, P, Greub, C

“…Nucl.Phys.B762:212-228,2007 We compute the O(\alpha_s^2) contributions to the photon energy spectrum of the inclusive decay \bar{B} -> X_s \gamma associated…”
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NNLL QCD Contribution of the Electromagnetic Dipole Operator to Gamma(anti-B -> X(s) gamma) by Asatrian, H. M, Hovhannisyan, A, Poghosyan, V, Ewerth, T, Greub, C, Hurth, T

“…Nucl.Phys.B749:325-337,2006 We present an independent calculation of that part of the O(\alpha_s^2) contribution to the decay width \Gamma(\bar B -> X_s…”
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Enhancement of Br(B_d -> mu^+ mu^-)/Br(B_s -> mu^+ mu^-) in the MSSM with Modified Minimal Flavour Violation and Large tan(beta) by Bobeth, C, Ewerth, T, Krüger, F, Urban, J

“…Phys.Rev.D66:074021,2002 We extend our previous analysis of the decays B_{d,s} -> mu^+ mu^- in the Minimal Supersymmetric Standard Model (MSSM) to include…”
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Analysis of neutral Higgs-boson contributions to the decays B s → l + l − and B ¯ → Kl + l by Bobeth, C., Ewerth, T., Krüger, F., Urban, J.

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Analysis of Neutral Higgs-Boson Contributions to the Decays B_s -> l^+l^- and B -> K l^+l by Bobeth, C, Ewerth, T, Krüger, F, Urban, J

“…Phys.Rev.D64:074014,2001 We report on a calculation of Higgs-boson contributions to the decays B_s -> l^+l^- and B -> K l^+l^- (l=e, mu) which are governed by…”
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