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CERN Document Server 11 notices trouvées  1 - 10suivant  aller vers la notice: La recherche a duré 0.56 secondes. 
1.
Weak Radiative Decays of the B Meson and Bounds on $M_{H^\pm}$ in the Two-Higgs-Doublet Model / Misiak, Mikolaj (CERN ; Warsaw U.) ; Steinhauser, Matthias (KIT, Karlsruhe, TTP)
In a recent publication [6], the Belle collaboration updated their analysis of the inclusive weak radiative B-meson decay, including the full dataset of (772 +_ 11) x 10^6 BBbar pairs. Their result for the branching ratio is now below the Standard Model prediction [7,8], though it remains consistent with it. [...]
arXiv:1702.04571; TTP17-004; IFT-1-2017.- 2017-03-29 - 16 p. - Published in : Eur. Phys. J. C 77 (2017) 201 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF;
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2.
NNLO QCD counterterm contributions to B -> X_s gamma for the physical value of m_c / Misiak, Mikolaj (CERN ; Warsaw U.) ; Rehman, Abdur (Quaid-i-Azam U. ; Warsaw U.) ; Steinhauser, Matthias (Karlsruhe U., TTP)
One of the most important O($\alpha_s^2$) corrections to the $B \to X_s \gamma$ branching ratio originates from interference of contributions from the current-current and photonic dipole operators. Its value has been estimated using an interpolation in the charm quark mass between the known results at $m_c=0$ and for $m_c \ll m_b/2$. [...]
arXiv:1702.07674; TTP17-007; IFT-2-2017.- 2017-07-10 - 9 p. - Published in : Phys. Lett. B 770 (2017) 431-439 Article from SCOAP3: PDF; Fulltext: PDF;
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3.
Three-loop QCD corrections to $B_{s} \rightarrow \mu^{+}\mu^{-}$ / Hermann, Thomas (Karlsruhe U., TTP) ; Misiak, Mikolaj (Warsaw U. ; CERN) ; Steinhauser, Matthias (Karlsruhe U., TTP)
The decay B_s -> mu^+ mu^- in the Standard Model is generated by the well-known W-box and Z-penguin diagrams that give rise to an effective quark-lepton operator Q_A at low energies. We compute QCD corrections of order alpha_s^2 to its Wilson coefficient C_A. [...]
arXiv:1311.1347; SFB-CPP-13-83; TTP13-034.- 2013 - 25 p. - Published in : JHEP 12 (2013) 097 Springer Open Access article: PDF; External link: Preprint
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4.
B_{s,d} -> l+ l- in the Standard Model / Bobeth, Christoph (Munich, Tech. U.) ; Gorbahn, Martin (Liverpool U., Dept. Math. ; Munich, Tech. U.) ; Hermann, Thomas (KIT, Karlsruhe, TTP) ; Misiak, Mikolaj (Warsaw U. ; CERN) ; Stamou, Emmanuel (Munich, Tech. U. ; Weizmann Inst.) ; Steinhauser, Matthias (KIT, Karlsruhe, TTP)
We combine our new results for the O(alpha_em) and O(alpha_s^2) corrections to B_{s,d} -> l^+ l^-, and present updated branching ratio predictions for these decays in the standard model. Inclusion of the new corrections removes major theoretical uncertainties of perturbative origin that have just begun to dominate over the parametric ones. [...]
arXiv:1311.0903; FLAVOUR(267104)-ERC-53; LTH-990; SFB-CPP-13-82; TTP13-033; FLAVOUR(267104)-ERC-53; LTH 990; SFB-CPP-13-82; TTP13-033.- 2014-03-11 - 4 p. - Published in : Phys. Rev. Lett. 112 (2014) 101801 Fulltext: PDF; External link: Preprint
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5.
Anomalous Wtb coupling effects in the weak radiative B-meson decay / Grzadkowski, Bohdan (Warsaw U. ; CERN) ; Misiak, Mikolaj (Warsaw U. ; CERN)
We study the effect of anomalous Wtb couplings on the B -> Xs gamma branching ratio. The considered couplings are introduced as parts of gauge-invariant dimension-six operators that are built out of the Standard Model fields only. [...]
arXiv:0802.1413; IFT-2-2008.- 2008 - 5 p. - Published in : Phys. Rev. D 78 (2008) 077501
- Published in : Phys. Rev. D 84 (2011) 059903 APS Published version, local copy: PDF; External link: Fulltext
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6.
Quark mass effects in $\overline{B} \to X_{s \gamma}$ / Gambino, Paolo (CERN) ; Misiak, Mikolaj (CERN ; Warsaw U.)
The charm-loop contribution to B -> Xs gamma is found to be numerically dominant and very stable under logarithmic QCD corrections. The strong enhancement of the branching ratio by QCD logarithms is mainly due to the b-quark mass evolution in the top-quark sector. [...]
hep-ph/0104034; CERN-TH-2001-089; IFT-11-2001; CERN-TH-2001-089; IFT-2001-11.- Geneva : CERN, 2001 - 28 p. - Published in : Nucl. Phys. B 611 (2001) 338-366 Access to fulltext document: 0104034.fig2 - PS.GZ; 0104034 - PDF; 0104034.fig4 - PS.GZ; 0104034.fig5 - PS.GZ; Fulltext: PDF; External link: Preprint - Please contact the library if you need to access this document.
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7.
Status of theoretical $\overline{B} \to X_{s\gamma}$ and / Misiak, Mikolaj (CERN)
Status of the theoretical B -> X_s gamma and B -> X_s l^+ l^- analyses is reviewed. Recently completed perturbative calculations are mentioned. [...]
hep-ph/0009033.- Geneva : CERN, 2000 - 2 p. - Published in : , pp. 793-794 Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ph/0009033 PDF
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.793-794
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8.
Two-Loop QCD Anomalous Dimensions of Flavour-Changing Four-Quark Operators Within and Beyond the Standard Model / Buras, Andrzej J. (Munich, Tech. U.) ; Misiak, Mikolaj (CERN ; Warsaw U.) ; Urban, Joerg (Munich, Tech. U.)
We calculate the two-loop QCD anomalous dimension matrix (ADM) gamma^(1)_NDR in the NDR-MSbar scheme for all the flavour-changing four-quark dimension-six operators that are relevant in both the Standard Model and its extensions. Both current-current and penguin diagrams are included. [...]
hep-ph/0005183; TUM-HEP-371-00; CERN-TH-2000-124; IFT-13-2000; TUM-HEP-371/00; CERN-TH/2000-124; IFT-13/2000; CERN-TH-2000-124; TUM-HEP-371; IFT-2000-13.- Geneva : CERN, 2000 - 37 p. - Published in : Nucl. Phys. B 586 (2000) 397-426 Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint - Please contact the library if you need to access this document.
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9.
Theory of radiative B decays / Misiak, Mikolaj (CERN ; Warsaw U.)
Theory of charmless radiative B decays is reviewed. Existence of uncontrolled non-perturbative effects in the inclusive rate at O(alpha_s) is reminded..
hep-ph/0002007.- Geneva : CERN, 2001 - 10 p. Access to fulltext document: 0002007.fig5 - PS.GZ; 0002007.fig4 - PS.GZ; 0002007.fig3 - PS.GZ; 0002007 - PDF; Fulltext: PDF; External link: hep-ph/0002007 PDF
In : 3rd International Conference on B Physics and CP Violation, Taipei, China, 3 - 7 Dec 1999, pp.210-219
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10.
Photonic penguins at two loops and $m_{t}$-dependence of $BR[B \to X_{s} l^{+} l^{-}]$ / Bobeth, Christoph (Dresden, Tech. U.) ; Misiak, Mikolaj (Munich, Tech. U. ; Warsaw U. ; CERN) ; Urban, Jorg (Dresden, Tech. U. ; Munich, Tech. U.)
We calculate two-loop matching conditions for all the operators that are relevant to B -> X_s l^+ l^- decay in the Standard Model. In effect, we are able to remove the +_16% uncertainty in the decay spectrum, which was mainly due to the renormalization-scale dependence of the top-quark mass. [...]
hep-ph/9910220; TUM-HEP-329-98; IFT-16-98; CERN-TH-99-287; CERN-TH-99-287; IFT-98-16; TUM-HEP-329.- Geneva : CERN, 2000 - 39 p. - Published in : Nucl. Phys. B 574 (2000) 291-330 Access to fulltext document: 9910220.fig2a - PS.GZ; 9910220.fig2b - PS.GZ; 9910220.fig1a - PS.GZ; 9910220.fig3 - PS.GZ; 9910220.fig1b - PS.GZ; 9910220 - PDF; Fulltext: PDF; External link: Preprint - Please contact the library if you need to access this document.
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CERN Document Server : 11 notices trouvées   1 - 10suivant  aller vers la notice:
Voir aussi: noms d'auteurs similaires
41 Misiak, M
7 Misiak, M.
1 Misiak, Marcin
2 Misiak, Mikołaj
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