EP Preprints

Последние добавления:
2019-08-12
16:19
 Measurement of $\psi(2S)$ production cross-sections in proton-proton collisions at $\sqrt{s} = 7$ and 13 TeV The cross-sections of $\psi(2S)$ meson production in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$ are measured with a data sample collected by the LHCb detector corresponding to an integrated luminosity of $275~p\mathrm{b}^{-1}$. [...] CERN-EP-2019-150 ; LHCB-PAPER-2018-049. - 2019. Fulltext - Related data file(s)

2019-07-26
12:37
 Measurement of CP violation in the $B_s^0\rightarrow\phi\phi$ decay and search for the $B^0\rightarrow\phi\phi$ decay / LHCb Collaboration A measurement of the time-dependent CP-violating asymmetry in $B_s^0\rightarrow\phi\phi$ decays is presented. [...] arXiv:1907.10003 ; LHCb-PAPER-2019-019 ; CERN-EP-2019-121 ; LHCB-PAPER-2019-019. - 2019. - 34 p, 34 p. Fulltext - Related data file(s) - Fulltext

2019-07-02
10:45
 Observation of the $\Lambda_b^0\to \chi_{c1}(3872)pK^-$ decay / LHCb Collaboration Using proton-proton collision data, collected with the LHCb detector and corresponding to 1.0, 2.0 and 1.9 fb$^{-1}$ of integrated luminosity at the centre-of-mass energies of 7, 8, and 13 TeV, respectively, the decay $\Lambda_b^0\to \chi_{c1}(3872)pK^-$ with $\chi_{c1}\to J/\psi\pi^+\pi^-$ is observed for the first time. [...] arXiv:1907.00954 ; CERN-EP-2019-131 ; LHCb-PAPER-2019-023 ; LHCB-PAPER-2019-023. - 2019. - 21 p. Fulltext - Related data file(s) - Supplementary information - Fulltext

2019-06-21
17:31
 Updated measurement of time-dependent CP-violating observables in $B^0_s \to J/\psi K^+K^-$ decays / LHCb Collaboration The decay-time-dependent {\it CP} asymmetry in $B^{0}_{s}\to J/\psi K^{+} K^{-}$ decays is measured using proton-proton collision data, corresponding to an integrated luminosity of $1.9\,\mathrm{fb^{-1}}$, collected with the LHCb detector at a centre-of-mass energy of $13\,\mathrm{TeV}$ in 2015 and 2016. [...] arXiv:1906.08356 ; LHCb-PAPER-2019-013 ; CERN-EP-2019-108 ; LHCB-PAPER-2019-013. - 2019. - 42 p. Fulltext - Related data file(s) - Supplementary information - Fulltext

2019-06-04
15:46
 More Than Preservation: A Researcher-Centered Approach to Reproducibility in Data Science / Feger, Sebastian Stefan (Universitaet Stuttgart (DE)) ; Woźniak, Paweł W (Utrecht University) As data volumes and complexity in data science work increase, reusability of experimental studies becomes increasingly important. [...] CERN-OPEN-2019-003. - 2019. - 4 p. Preprint

2019-06-03
12:12
 Amplitude analysis of $B^\pm \to \pi^\pm K^+ K^-$ decays / LHCb Collaboration The first amplitude analysis of the $B^\pm \to \pi^\pm K^+ K^-$ decay is reported based on a data sample corresponding to an integrated luminosity of 3.0 fb$^{−1}$ of $pp$ collisions recorded in 2011 and 2012 with the LHCb detector. [...] arXiv:1905.09244 ; LHCb-PAPER-2018-051 ; CERN-EP-2019-062 ; LHCB-PAPER-2018-051. - 2019. - 18 p. Fulltext - Related data file(s) - Supplementary information - Fulltext

2019-05-16
15:50
 Search for the lepton-flavour-violating decays $B^{0}_{s}\to\tau^{\pm}\mu^{\mp}$ and $B^{0}\to\tau^{\pm}\mu^{\mp}$ / LHCb Collaboration A search for $B^{0}_{s}\to\tau^{\pm}\mu^{\mp}$ and $B^{0}\to\tau^{\pm}\mu^{\mp}$ decays is performed using data corresponding to an integrated luminosity of 3 fb$^{-1}$ of proton-proton collisions, recorded with the LHCb detector in 2011 and 2012. [...] arXiv:1905.06614 ; CERN-EP-2019-076 ; LHCb-PAPER-2019-016 ; LHCB-PAPER-2019-016. - 2019. - 17 p. Fulltext - Related data file(s) - Supplementary information - Fulltext

2019-05-16
14:31
 Measurement of the mixing-induced and $CP$-violating observables of $B^0_s\to\phi\gamma$ decays / LHCb Collaboration A time-dependent analysis of the $B_s^0 \to \phi\gamma$ decay rate is performed to determine the $CP$-violating observables $S_{\phi\gamma}$ and $C_{\phi\gamma}$, and the mixing-induced observable $\mathcal{A}^{\Delta}_{\phi\gamma}$. [...] arXiv:1905.06284 ; LHCb-PAPER-2019-015; CERN-EP-2019-077 ; LHCB-PAPER-2019-015. - 2019. - 15 p. Fulltext - Related data file(s)

2019-05-09
11:08
 A search for $\Xi_{cc}^{++}\to D^+pK^-\pi^+$ decays / LHCb Collaboration A search for the $\it{\Xi}^{++}_{cc}$ baryon through the $\it{\Xi}^{++}_{cc} \rightarrow D^{+} p K^{-} \pi^{+}$ decay is performed with a data sample corresponding to an integrated luminosity of 1.7 $\mathrm{fb}^{-1}$ recorded by the LHCb experiment in $pp$ collisions at a centre-of-mass energy of 13 TeV [...] arXiv:1905.02421 ; LHCb-PAPER-2019-011 ; CERN-EP-2019-067 ; LHCB-PAPER-2019-011. - 2019. - 20 p. Full text - Full text - Fulltext

2019-05-06
17:27
 Measurement of charged hadron production in $Z$-tagged jets in proton-proton collisions at $\sqrt{s}=8$ TeV / LHCb Collaboration The production of charged hadrons within jets recoiling against a $Z$ boson is measured in proton-proton collision data at $\sqrt{s}=8$ TeV recorded by the LHCb experiment. [...] arXiv:1904.08878 ; CERN-EP-2019-065 ; LHCb-PAPER-2019-012 ; LHCB-PAPER-2019-012. - 2019. - 17 p. Fulltext - Supplemental information - Supplementary information