CERN Accelerating science

EP Preprints

新增:
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

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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.
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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.
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2019-05-16
14:53
Amplitude analysis of the $B^0_{(s)} \to K^{*0} \overline{K}^{*0}$ decay and measurement of its relative branching fraction relative to the $B_s^0 \to K^{*0} \overline{K}^{*0}$ decay / LHCb Collaboration
The $B^0 \to K^{*0} \overline{K}^{*0}$ and $B^0_s \to K^{*0} \overline{K}^{*0}$ decays are studied using proton-proton collision data corresponding to an integrated luminosity of 3fb$^{-1}$. [...]
arXiv:1905.06662 ; LHCb-PAPER-2019-004 CERN-EP-2019-063 ; LHCB-PAPER-2019-004.
- 2019. - 30 p.
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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.
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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.
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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.
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2019-04-03
11:16
Measurements of $CP$ asymmetries in charmless four-body $\Lambda^0_b$ and $\Xi_b^0$ decays
A search for $CP$ violation in charmless four-body decays of $\Lambda^0_b$ and $\Xi_b^0$ baryons with a proton and three charged mesons in the final state is performed. [...]
CERN-EP-2019-013 ; LHCB-PAPER-2018-044.
- 2019.
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2019-04-01
09:46
Near-threshold $D\bar{D}$ spectroscopy and observation of a new charmonium state / LHCb Collaboration
Using proton-proton collisiondata, corresponding to an integrated luminosity of 9 fb$^{-1}$, collected with the~LHCb detector between 2011 and 2018, a new narrow charmonium state, the $X(3842)$ resonance, is observed in the decay modes $X(3842)\rightarrow D^0\bar{D}^0$ and $X(3842)\rightarrow D^+D^-$. [...]
arXiv:1903.12240 ; CERN-EP-2019-047 ; LHCb-PAPER-2019-005 ; LHCB-PAPER-2019-005.
- 2019. - 23 p.
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2019-03-14
14:52
Measurement of the $CP$-violating phase $\phi_s$ from $B_{s}^{0}\to J/\psi\pi^+\pi^-$ decays in 13 TeV $pp$ collisions / LHCb Collaboration
Decays of $B_{s}^{0}$ and $\overline{B}{}_{s}^{0}$ mesons into $J/\psi\pi^+\pi^-$ final states are studied in a data sample corresponding to 1.9 fb$^{-1}$ of integrated luminosity collected with the LHCb detector in 13 TeV $pp$ collisions. [...]
arXiv:1903.05530 ; CERN-EP-2019-037 ; LHCb-PAPER-2019-003 ; LHCB-PAPER-2019-003.
- 2019. - 24 p.
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