# PH-EP Preprints

Posledne pridané:
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)

2016-08-05
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)

2016-07-21
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)

2016-07-10
11:11
 Observation of the decay $\mathrm{B}^{+} \to \psi ( 2 \mathrm{S} ) \phi ( 1020 ) \mathrm{ K }^{+}$ in pp collisions at $\sqrt{s} =$ 8 TeV / CMS Collaboration The decay $\mathrm{B}^{+} \to \psi( 2 \mathrm{S} ) \phi(1020) \mathrm{ K }^{+}$ is observed for the first time using data collected from pp collisions at $\sqrt{s} =$ 8 TeV by the CMS experiment at the LHC, corresponding to an integrated luminosity of 19.6 fb$^{-1}$. [...] arXiv:1607.02638 ; CERN-EP-2016-161 ; CMS-BPH-13-009. - 2016. - 28 p. Preprint - Full text

2016-07-05
08:37
 Measurement of the differential cross sections for top quark pair production as a function of kinematic event variables in pp collisions at $\sqrt{s}$ = 7 and 8 TeV / CMS Collaboration Measurements are reported of the normalized differential cross sections for top quark pair production with respect to four kinematic event variables: the missing transverse energy; the scalar sum of the jet transverse momentum (pT); the scalar sum of the pT of all objects in the event; and the pT of leptonically decaying W bosons from top quark decays. [...] arXiv:1607.00837 ; CMS-TOP-12-042 ; CERN-EP-2016-139. - 2016. - 40 p. Preprint - Full text