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CERN Document Server 89 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 0.56 sekúnd. 
1.
SuperB Technical Design Report / SuperB Collaboration
In this Technical Design Report (TDR) we describe the SuperB detector that was to be installed on the SuperB e+e- high luminosity collider. [...]
INFN-13-01-PI ; LAL-13-01 ; SLAC-R-1003 ; arXiv:1306.5655 ; INFN-13-01-PI ; LAL 13-01 ; SLAC-R-1003. - 2013. - 495 p.
Preprint - Preprint
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2.
Precision measurement of $\sigma(e^+e^-\rightarrow\pi^+\pi^-\gamma)/\sigma(e^+e^-\rightarrow \mu^+\mu^-\gamma)$ and determination of the $\pi^+\pi^-$ contribution to the muon anomaly with the KLOE detector / KLOE-2 Collaborations
We have measured the ratio $\sigma(e^+e^-\rightarrow\pi^+\pi^-\gamma)/\sigma(e^+e^-\rightarrow \mu^+\mu^-\gamma)$, with the KLOE detector at DA$\Phi$NE for a total integrated luminosity of $\sim$ 240 pb$^{-1}$. From this ratio we obtain the cross section $\sigma(e^+e^-\rightarrow\pi^+\pi^-)$. [...]
arXiv:1212.4524.- 2013-03-26 - 18 p. - Published in : Phys. Lett. B 720 (2013) 336-343 Fulltext: PDF; External link: Preprint
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3.
Performance of the LHCb muon system / Alves, A.A., Jr. (INFN, Rome) ; Anderlini, L. (INFN, Florence) ; Anelli, M. (Frascati) ; Nobrega, R.Antunes (INFN, Rome) ; Auriemma, G. (INFN, Rome ; Basilicata U., Potenza) ; Baldini, W. (INFN, Ferrara) ; Bencivenni, G. (Frascati) ; Berutti, R. (INFN, Cagliari) ; Bizzeti, A. (INFN, Florence) ; Bocci, V. (INFN, Rome) et al.
The performance of the LHCb Muon system and its stability across the full 2010 data taking with LHC running at ps = 7 TeV energy is studied. The optimization of the detector setting and the time calibration performed with the first collisions delivered by LHC is described [...]
arXiv:1211.1346; LHCB-DP-2012-002.- Geneva : CERN, 2013 - 32 p. - Published in : JINST 8 (2013) P02022 Fulltext: PDF; IOP Open Access article: PDF; External link: Preprint
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4.
Measurement of \Gamma(\eta -> \pi^+\pi^-\gamma)/\Gamma(\eta -> \pi^+\pi^-\pi^0) with the KLOE Detector / KLOE Collaboration
The ratio R_{\eta}=\Gamma(\eta -> \pi^+\pi^-\gamma)/\Gamma(\eta -> \pi^+\pi^-\pi^0) has been measured by analyzing 22 million \phi \to \eta \gamma decays collected by the KLOE experiment at DA\PhiNE, corresponding to an integrated luminosity of 558 pb^{-1}. The \eta \to \pi^+\pi^-\gamma proceeds both via the \rho resonant contribution, and possibly a non-resonant direct term, connected to the box anomaly [...]
arXiv:1209.4611.- 2013-01-08 - 12 p. - Published in : Phys. Lett. B 718 (2013) 910-914 Preprint: PDF; External link: Preprint
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5.
Measurement of $\Upsilon$ production in $pp$ collisions at $\sqrt{s} = 7$ TeV / LHCb Collaboration
The production of Upsilon(1S), Upsilon(2S) and Upsilon(3S) mesons in proton-proton collisions at the centre-of-mass energy of sqrt(s)=7 TeV is studied with the LHCb detector. The analysis is based on a data sample of 25 pb-1 collected at the Large Hadron Collider. [...]
arXiv:1202.6579; CERN-PH-EP-2012-051; LHCB-PAPER-2011-036; CERN-PH-EP-2012-051; LHCB-PAPER-2011-036.- Geneva : CERN, 2012-06-07 - 22 p. - Published in : Eur. Phys. J. C 72 (2012) 2025 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: DURHAM
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6.
Measurement of the ratio of branching fractions ${\cal B}(B^0 \to K^{\ast 0} \gamma)/{\cal B}(B^0_s \to \phi \gamma)$ / LHCb Collaboration
The ratio of branching fractions of the radiative $B$ decays $B^0\to K^{*0}\gamma$ and $B^0_s\to \phi\gamma$ has been measured using $0.37\,$fb$^{-1}$ of $pp$ collisions at a centre of mass energy of $\sqrt{s}=7\,$TeV, collected by the LHCb experiment. The value obtained is \begin{equation} \frac{{\cal B}(B^0\to K^{*0}\gamma)}{{\cal B}(B^0_s\to \phi\gamma)} = 1.12 \pm 0.08^{+0.06}_{-0.04}\phantom{.}^{+0.09}_{-0.08},\nonumber \end{equation} where the first uncertainty is statistical, the second systematic and the third is associated to the ratio of fragmentation fractions $f_s/f_d$. [...]
arXiv:1202.6267; LHCB-PAPER-2011-042; CERN-PH-EP-2012-041; CERN-PH-EP-2012-041; LHCB-PAPER-2011-042.- Geneva : CERN, 2012 - 15 p. - Published in : Phys. Rev. D 85 (2012) 112013 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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7.
Opposite-side flavour tagging of $B$ mesons at the LHCb experiment / LHCb Collaboration
The calibration and performance of the opposite-side flavour tagging algorithms used for the measurements of time-dependent asymmetries at the LHCb experiment are described. The algorithms have been developed using simulated events and optimized and calibrated with B+ -> J/psi K+, B0 -> J/psi K*0 and B0 -> D*- mu+ nu_mu decay modes with 0.37 fb^-1 of data collected in pp collisions at sqrt(s) = 7 TeV during the 2011 physics run. [...]
arXiv:1202.4979; CERN-PH-EP-2012-039; LHCB-PAPER-2011-027; CERN-PH-EP-2012-039; LHCB-PAPER-2011-027.- Geneva : CERN, 2012-06-07 - 22 p. - Published in : Eur. Phys. J. C 72 (2012) 2022 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
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8.
Measurement of the $B^\pm$ production cross-section in $pp$ collisions at $\sqrt{s}=7$ TeV / LHCb Collaboration
The production of B+- mesons in proton-proton collisions at sqrt(s)=7 TeV is studied using 35 pb-1 of data collected by the LHCb detector. The B+- mesons are reconstructed exclusively in the B+- -> J/psi K+- mode, with J/psi -> mu+ mu-. [...]
arXiv:1202.4812; CERN-PH-EP-2012-047; LHCB-PAPER-2011-043; CERN-PH-EP-2012-047; LHCB-PAPER-2011-043.- Geneva : CERN, 2012 - 7 p. - Published in : JHEP 04 (2012) 093 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: DURHAM
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9.
Search for the $X(4140)$ state in $B^+\to J/\psi\phi K^+$ decays / LHCb Collaboration
A search for the X(4140) state in B+ to J/psi phi K+ decays is performed with 0.37 fb-1 of pp collisions at sqrt(s)=7 TeV collected by the LHCb experiment. No evidence for this state is found, in 2.4 sigma disagreement with a measurement by CDF. [...]
arXiv:1202.5087; CERN-PH-EP-2012-004; LHCB-PAPER-2011-033; CERN-PH-EP-2012-004; LHCB-PAPER-2011-033.- Geneva : CERN, 2012 - 15 p. - Published in : Phys. Rev. D 85 (2012) 091103 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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10.
Determination of the sign of the decay width difference in the $B^0_s$ system / LHCb Collaboration
The interference between the $K^+K^-$ S-wave and P-wave amplitudes in $B_s \rightarrow J/\psi K^+K^-$ decays with the $K^+K^-$ pairs in the region around the $\phi(1020)$ resonance is used to determine the variation of the difference of the strong phase between these amplitudes as a function of $K^+K^-$ invariant mass. Combined with the results from our $CP$ asymmetry measurements in the $B_s \rightarrow J/\psi \phi$ decays, we conclude that the $B_s$ mass eigenstate that is almost $CP =+1$ is lighter and decays faster than the mass eigenstate that is almost $CP =-1$. [...]
arXiv:1202.4717; CERN-PH-EP-2012-050; LHCB-PAPER-2011-028; CERN-PH-EP-2012-050; LHCB-PAPER-2011-028.- Geneva : CERN, 2012 - 7 p. - Published in : Phys. Rev. Lett. 108 (2012) 241801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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CERN Document Server : 89 záznamov nájdených   1 - 10ďalšíkoniec  skoč na záznam:
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43 Messi, R.
2 Messi, Roberto
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