# EP Preprints

2016-08-25
08:23
 Multiplicities of charged kaons from deep-inelastic muon scattering off an isoscalar target / Adolph, C ; Agarwala, J ; Aghasyan, M ; Akhunzyanov, R ; Alexeev, M G ; Alexeev, G D ; Amoroso, A ; Andrieux, V ; Anfimov, N V ; Anosov, V et al. Precise measurements of charged-kaon multiplicities in deep inelastic scattering were performed. [...] arXiv:1608.06760 ; CERN-EP-2016--206. - 2016. - 10 p. Preprint - Full text

2016-08-24
08:11
 Measurement of $CP$ violation in $B^0 \!\rightarrow D^+ D^-$ decays / LHCb collaboration The $C\!P$ violation observables $S$ and $C$ in the decay channel $B^0 \!\rightarrow D^+ D^-$ are determined from a sample of proton-proton collisions at centre-of-mass energies of $7$ and $8$ TeV, collected by the LHCb experiment and corresponding to an integrated luminosity of $3~ {\text {fb}}^{-1}$. [...] arXiv:1608.06620 ; CERN-EP-2016-203 ; LHCB-PAPER-2016-037. - 2016. Preprint - Full text - Related data file(s)

2016-08-19
08:22
 Measurement of the CP-violating phase and decay-width difference in $B_s^0\to\psi(2S)\phi$ decays / LHCb collaboration A time-dependent angular analysis of $B_s^0\to\psi(2S)\phi$ decays is performed using data recorded by the LHCb experiment. [...] arXiv:1608.04855 ; CERN-EP-2016-192 ; LHCB-PAPER-2016-027. - 2016. Preprint - Full text

2016-08-05
08:00
 Measurement of forward $W\to e\nu$ production in $pp$ collisions at $\sqrt{s}=8$ TeV / LHCb collaboration A measurement of the cross-section for $W \to e\nu$ production in $pp$ collisions is presented using data corresponding to an integrated luminosity of $2\,$fb$^{-1}$ collected by the LHCb experiment at a centre-of-mass energy of $\sqrt{s}=8\,$TeV. [...] arXiv:1608.01484 ; LHCB-PAPER-2016-024 ; CERN-EP-2016-179. - 2016. - 29 p. Preprint - Full text - Related data file(s)

2016-08-05
08:00
 Search for the suppressed decays $B^{+}\rightarrow K^{+}K^{+}\pi^{-}$ and $B^{+}\rightarrow \pi^{+}\pi^{+}K^{-}$ / LHCb Collaboration A search is made for the highly-suppressed B meson decays $B^{+}\rightarrow K^{+}K^{+}\pi^{-}$ and $B^{+}\rightarrow \pi^{+}\pi^{+}K^{-}$ using a data sample corresponding to an integrated luminosity of 3.0 $fb^{-1}$ collected by the LHCb experiment in proton-proton collisions at centre-of-mass energies of 7 and 8 TeV. [...] arXiv:1608.01478 ; CERN-EP-2016-177 ; LHCB-PAPER-2016-023. - 2016. - 18 p. Preprint - Full text

2016-08-04
16:04
 Amplitude analysis of $B^- \to D^+ \pi^- \pi^-$ decays / LHCb Collaboration The Dalitz plot analysis technique is used to study the resonant substructures of $B^- \to D^+ \pi^- \pi^-$ decays in a data sample corresponding to 3.0 fb$^-1$ of $pp$ collision data recorded by the LHCb experiment during 2011 and 2012. [...] arXiv:1608.01289 ; LHCB-PAPER-2016-026 ; CERN-EP-2016-184. - 2016. - 39 p. Related data file(s) - Preprint - Full text

2016-08-02
07:53
 Search for structure in the $B_s^0\pi^\pm$ invariant mass spectrum / LHCb collaboration The $B_s^0\pi^\pm$ invariant mass distribution is investigated in order to search for possible exotic meson states. [...] arXiv:1608.00435 ; LHCB-PAPER-2016-029 ; CERN-EP-2016-189. - 2016. - 16 p. Preprint - Full text - Related supplemenrary data file(s) - Related data file(s)

2016-07-27
08:13
 Measurement of the ratio of branching fractions $\mathcal{B}(B_{c}^{+} \to J/\psi K^{+})/\mathcal{B}(B_{c}^{+} \to J/\psi\pi^{+})$ / LHCb collaboration The ratio of branching fractions $R_{K/\pi} \equiv \mathcal{B}(B_{c}^{+} \to J/\psi K^{+})/\mathcal{B}(B_{c}^{+} \to J/\psi\pi^{+})$ is measured with $pp$ collision data collected by the LHCb experiment at centre-of-mass energies of 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3${\mbox{fb}^{-1}}$. [...] arXiv:1607.06823 ; LHCB-PAPER-2016-020 ; CERN-EP-2016-173. - 2016. - 16 p. Preprint - Full text - Related data file(s)

2016-07-22
07:39
 Observation of $\eta_{c}(2S) \to p \bar p$ and search for $X(3872) \to p \bar p$ decays / LHCb collaboration The first observation of the decay $\eta_{c}(2S) \to p \bar p$ is reported using proton-proton collision data corresponding to an integrated luminosity of $3.0\rm \, fb^{-1}$ recorded by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV [...] arXiv:1607.06446 ; LHCB-PAPER-2016-016 ; CERN-EP-2016-175. - 2016. - 16 p. Preprint - Full text

2016-07-21
16:11
 Measurement of the $B_{s}^{0} \rightarrow J/\psi \eta$ lifetime Using a data set corresponding to an integrated luminosity of $3 fb^{-1}$, collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV, the effective lifetime in the $B^0_s \rightarrow J/\psi \eta$ decay mode, $\tau_{\textrm{eff}}$, is measured to be $$\tau_{\textrm{eff}} = 1.479 \pm 0.034~\textrm{(stat)} \pm 0.011 ~\textrm{(syst)}\rm ps.$$ Assuming $CP$ conservation, $\tau_{\textrm{eff}}$ corresponds to the lifetime of the light $B_s^0$ mass eigenstate. [...] CERN-EP-2016-166 ; LHCB-PAPER-2016-017. - 2016. Fulltext - Previous draft version - Related data file(s)