2013-06-12
09:28 |
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2013-06-07
04:12 |
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2013-05-29
04:17 |
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2013-05-23
04:11 |
Search for the rare decay $D^0 \to \mu^+ \mu^-$
/ LHCb collaboration
A search for the rare decay $D^0 \to \mu^+ \mu^-$is performed using a data sample, corresponding to an integrated luminosity of 0.9 fb$^{-1}$, of $pp$ collisions collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. [...]
arXiv:1305.5059 ; CERN-PH-EP-2013-083 ; LHCB-PAPER-2013-013.
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2013. - 22 p.
Preprint - Full text - Related data file(s)
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2013-05-17
11:55 |
Study of $B^{0} \rightarrow D^{*-}\pi^{+}\pi^{-}\pi^{+}$ and $B^{0} \rightarrow D^{*-}K^{+}\pi^{-}\pi^{+}$ decays
/ LHCb Collaboration
Using proton-proton collision data collected by the LHCb experiment at $\sqrt{s} =$ 7 TeV, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, the ratio of branching fractions of the $B^{0}\rightarrow D^{*-}\pi^{+}\pi^{-}\pi^{+}$ decay relative to the $B^{0} \rightarrow D^{*-}\pi^{+}$ decay is measured to be \begin{equation*} \frac{\mathcal{B}(B^{0}\rightarrow D^{*-}\pi^{+}\pi^{-}\pi^{+})}{\mathcal{B}(B^{0} \rightarrow D^{*-}\pi^{+})} = 2.64 \pm 0.04\,(\text{stat.}) \pm 0.13\,(\text{syst.})\, . \label{eq:CF_BF_ratio_result} \end{equation*} The Cabibbo-suppressed decay $B^{0}\rightarrow D^{*-}K^{+}\pi^{-}\pi^{+}$ is observed for the first time and the measured ratio of branching fractions is \begin{equation*} \frac{\mathcal{B}(B^{0}\rightarrow D^{*-}K^{+}\pi^{-}\pi^{+})}{\mathcal{B}(B^{0} \rightarrow D^{*-}\pi^{+}\pi^{-}\pi^{+})} = (6.47 \pm 0.37\,(\text{stat.}) \pm 0.35\,(\text{syst.})) \times 10^{-2} \label{eq:CS_BF_ratio_result}\, . [...]
arXiv:1303.6861; LHCB-PAPER-2012-046; CERN-PH-EP-2013-041.-
Geneva : CERN, 2013 - 17 p.
- Published in : Phys. Rev. D 87 (2013) 092001
APS Open Access article: PDF; Related data file(s): ZIP; External link: Preprint
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2013-05-10
13:26 |
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2013-05-10
11:57 |
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2013-05-06
14:51 |
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2013-05-02
14:05 |
Measurement of the $B^0 \to K^{*0}e^+e^-$ branching fraction at low dilepton mass
/ LHCb Collaboration
The branching fraction of the rate decay $B^0 \rightarrow K^{*0}e^+e^-$ in the dilepton mass region from 30 to 1000 MeV$/c^2$ has been measured by the LHCb experiment, using $pp$ collision data, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, at a centre-of-mass energy of 7 TeV. The decay mode $B^0 \rightarrow J/\psi(e^+e^-) K^{*0}$ is utilized as a normalization channel. [...]
arXiv:1304.3035; LHCB-PAPER-2013-005; CERN-PH-EP-2013-048.-
Geneva : CERN, 2013 - 19 p.
- Published in : J. High Energy Phys. 05 (2013) 159
Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
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2013-04-26
10:49 |
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