# LHCb Papers

Последно добавени:
2015-09-28
14:20
 Measurement of the forward-backward asymmetry in $Z/\gamma^{\ast} \rightarrow \mu^{+}\mu^{-}$ decays and determination of the effective weak mixing angle The forward-backward charge asymmetry for the process $q\bar{q} \rightarrow Z/\gamma^{\ast} \rightarrow \mu^{+}\mu^{-}$ is measured as a function of the invariant mass of the dimuon system. [...] CERN-PH-EP-2015-250 ; LHCB-PAPER-2015-039. - 2015. Fulltext - Previous draft version - Related data file(s)

2015-09-23
16:53
 Studies of the resonance structure in $D^0\to K^0_S K^{\pm}\pi^{\mp}$ decays / LHCb Collaboration Amplitude models are applied to studies of resonance structure in $D^0\to K^0_S K^- \pi^+$ and $D^0\to K^0_S K^+ \pi^-$ decays using $pp$ collision data corresponding to an integrated luminosity of $3.0\,\mathrm{fb}^{-1}$ collected by the LHCb experiment. [...] arXiv:1509.06628 ; LHCB-PAPER-2015-026 ; CERN-PH-EP-2015-238. - 2015. - 56 p. Related data file(s) - Preprint - Full text - Related supplementary data file(s) 1 - Related supplementary data file(s) 2

2015-09-08
16:48
 Forward production of $\Upsilon$ mesons in $pp$ collisions at $\sqrt{s}=7$ and 8TeV / LHCb Collaboration The production of $\Upsilon$ mesons in $pp$ collisions at $\sqrt=7$ and $8\,\mathrm{TeV}$ is studied with the LHCb detector using data samples corresponding to an integrated luminosity of $1\,\mathrm{fb}^{-1}$ and $2\,\mathrm{fb}^{-1}$ respectively. [...] arXiv:1509.02372 ; LHCB-PAPER-2015-045 ; CERN-PH-EP-2015-232. - 2015. - 36 p. Related data file(s) - Preprint - Full text - Related supplementary data file(s)

2015-09-03
07:55
 Measurement of forward $J/\psi$ production cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV / LHCb collaboration The production of $J/\psi$ mesons in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=13$ TeV is studied with the LHCb detector. [...] arXiv:1509.00771 ; LHCB-PAPER-2015-037 ; CERN-PH-EP-2015-222. - 2015. - 33 p. Preprint - Full text - Related data file(s) - Related supplementary data file(s)

2015-09-02
08:54
 First measurement of the differential branching fraction and $C\!P$ asymmetry of the $B^\pm\to\pi^\pm\mu^+\mu^-$ decay / LHCb collaboration The differential branching fraction with respect to the dimuon invariant mass squared, and the $C\!P$ asymmetry of the $B^\pm\to\pi^\pm\mu^+\mu^-$ decay are measured for the first time. [...] arXiv:1509.00414 ; LHCB-PAPER-2015-035 ; CERN-PH-EP-2015-219. - 2015. - 22 p. Preprint - Full text - Related data file(s)

2015-09-02
08:53
 Measurement of ${C\!P}$ violation parameters and polarisation fractions in ${B_s^0\to J/\psi \overline{K}^{*0}}$ decays / LHCb collaboration The first measurement of ${C\!P}$ asymmetries in the decay ${B_s^0\to J/\psi \overline{K}^{*}(892)^{0}}$ and an updated measurement of its branching fraction and polarisation fractions are presented. [...] arXiv:1509.00400 ; CERN-PH-EP-2015-224 ; LHCB-PAPER-2015-034. - 2015. - 39 p. Preprint - Full text - Related data file(s)

2015-09-02
08:53
 Study of the production of $\Lambda_b^0$ and $\overline{B}^0$ hadrons in $pp$ collisions and first measurement of the $\Lambda_b^0\rightarrow J/\psi pK^-$ branching fraction / LHCb collaboration The product of the $\Lambda_b^0$ ($\overline{B}^0$) differential production cross-section and the branching fraction of the decay $\Lambda_b^0\rightarrow J/\psi pK^-$ ($\overline{B}^0\rightarrow J/\psi\overline{K}^*(892)^0$) is measured as a function of the beauty hadron transverse momentum, $p_{\rm T}$, and rapidity, $y$. [...] arXiv:1509.00292 ; LHCB-PAPER-2015-032 ; CERN-PH-EP-2015-223. - 2015. - 29 p. Preprint - Full text - Related data file(s)

2015-08-27
07:54
 Measurement of the time-integrated $CP$ asymmetry in $D^0 \to K^0_S K^0_S$ decays / LHCb collaboration The time-integrated $CP$ asymmetry in the decay $D^0 \to K^0_S K^0_S$ is measured using $3 fb^{-1}$ of proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. [...] arXiv:1508.06087 ; CERN-PH-EP-2015-215 ; LHCB-PAPER-2015-030. - 2015. - 16 p. Preprint - Full text - Related data file(s) - Related supplementary data file(s)

2015-08-18
07:49
 Search for hidden-sector bosons in $B^0 \!\to K^{*0}\mu^+\mu^-$ decays / LHCb collaboration A search is presented for hidden-sector bosons, $\chi$, produced in the decay ${B^0\!\to K^*(892)^0\chi}$, with $K^*(892)^0\!\to K^{+}\pi^{-}$ and $\chi\!\to\mu^+\mu^-$. [...] arXiv:1508.04094 ; CERN-PH-EP-2015-202 ; LHCB-PAPER-2015-036. - 2015. - 21 p. Preprint - Full text - Related data file(s) - Related supplementary data file(s)

2015-08-05
08:25
 Measurement of the $B_s^0 \to \phi \phi$ branching fraction and search for the decay $B^0 \to \phi \phi$ / LHCb collaboration Using a dataset corresponding to an integrated luminosity of 3.0 fb$^{-1}$ collected in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV, the $B_s^0 \to \phi \phi$ branching fraction is measured to be $\mathcal{B}(B_s^0 \to \phi \phi) = ( 1.84 \pm 0.05 (\text{stat}) \pm 0.07 (\text{syst}) \pm 0.11 (f_s/f_d) \pm 0.12 (\text{norm}) ) \times 10^{-5},$ where $f_s/f_d$ represents the ratio of the $B_s^0$ to $B^0$ production cross-sections, and the $B^0 \to \phi K^*(892)^0$ decay mode is used for normalization. [...] arXiv:1508.00788 ; LHCB-PAPER-2015-028 ; CERN-PH-EP-2015-198. - 2015. - 20 p. Preprint - Full text - Related data file(s)