# EP Preprints

Ostatnio dodane:
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)

2016-08-04
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)

2016-07-21
11:31
 Measurement of the forward Z boson production cross-section in pp collisions at $\sqrt{s} = 13$ TeV / LHCb Collaboration A measurement of the production cross-section of Z bosons in pp collisions at $\sqrt{s} = 13$ TeV is presented using dimuon and dielectron final states in LHCb data [...] arXiv:1607.06495 ; LHCB-PAPER-2016-021 ; CERN-EP-2016-170. - 2016. - 32 p. Related data file(s) - Preprint - Full text

2016-07-21
09:05
 Study of $B^+_c$ decays to the $K^+K^-\pi^+$ final state and evidence for the decay $B^+_c\to\chi_{c0}\pi^+$ / LHCb Collaboration A study of $B_c^+\to K^+K^-\pi^+$ decays is performed for the first time using data corresponding to an integrated luminosity of 3.0 $\mathrm{fb}^{-1}$ collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of $7$ and $8$ TeV. [...] arXiv:1607.06134 ; LHCB-PAPER-2016-022 ; CERN-EP-2016-176. - 2016. - 17 p. Related data file(s) - Preprint - Full text - Related supplementary data file(s)

2016-07-14
08:56
 Measurement of exclusive $\gamma\gamma\rightarrow W^+W^-$ production and search for exclusive Higgs boson production in $pp$ collisions at $\sqrt{s} = 8$ TeV using the ATLAS detector / ATLAS Collaboration Searches for exclusively produced $W$ boson pairs in the process $pp(\gamma\gamma) \rightarrow pW^+W^-p$ and exclusively produced Higgs boson in the process $pp(gg) \rightarrow pHp$ have been performed using $e^{\pm}\mu^{\mp}$ final states. [...] arXiv:1607.03745 ; CERN-EP-2016-123. - 2016. - 31 p. Preprint - Full text