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LHCb Papers

Ultimi arrivi:
2018-10-17
15:45
Measurement of the charm-mixing parameter $y_{CP}$ / LHCb Collaboration
A measurement of the charm-mixing parameter $y_{CP}$ using $D^0 \to K^+ K^-$, $D^0 \to \pi^+ \pi^-$, and $D^0 \to K^- \pi^+$ decays is reported. [...]
arXiv:1810.06874 ; CERN-EP-2018-270 ; LHCb-PAPER-2018-038 ; LHCB-PAPER-2018-038.
- 2018.
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2018-10-12
13:40
Measurement of the branching fractions of the decays $D^+\rightarrow K^-K^+K^+$, $D^+\rightarrow \pi^-\pi^+K^+$ and $D^+_s\rightarrow\pi^-K^+K^+$ / LHCb Collaboration
The branching fractions of the doubly Cabibbo-suppressed decays $D^+\rightarrow K^-K^+K^+$, $D^+\rightarrow \pi^-\pi^+K^+$ and $D^+_s\rightarrow\pi^-K^+K^+$ are measured using the decays $D^+\rightarrow K^-\pi^+\pi^+$ and $D^+_s+\rightarrow K^-K^+\pi^+$ as normalisation channels. [...]
arXiv:1810.03138 ; LHCb-PAPER-2018-033 and CERN-EP-2018-244 ; LHCB-PAPER-2018-033.
- 2018.
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2018-10-05
14:01
Observation of two resonances in the $\Lambda_b^0 \pi^\pm$ systems and precise measurement of $\Sigma_b^\pm$ and $\Sigma_b^{*\pm}$ properties / LHCb Collaboration
The first observation of two structures consistent with resonances in the final states $\Lambda_b^0 \pi^-$ and $\Lambda_b^0 \pi^+$ is reported using samples of $pp$ collision data collected by the LHCb experiment at $\sqrt{s} = 7$ and $8$ TeV, corresponding to an integrated luminosity of 3 $\mathrm{fb}^{-1}$. [...]
arXiv:1809.07752 ; LHCb-PAPER-2018-032 ; CERN-EP-2018-243 ; LHCB-PAPER-2018-032.
- 2018. - 16 p.
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2018-09-21
11:55
Evidence for an $\eta_c(1S) \pi^-$ resonance in $B^0 \to \eta_c(1S) K^+\pi^-$ decays / LHCb Collaboration
A Dalitz plot analysis of $B^0 \to \eta_c(1S) K^+\pi^-$ decays is performed using data samples of $pp$ collisions collected with the LHCb detector at centre-of-mass energies of $\sqrt{s}=7,~8$ and $13$ TeV, corresponding to a total integrated luminosity of $4.7 \text{fb}^{-1}$. [...]
arXiv:1809.07416 ; LHCb-PAPER-2018-034 ; CERN-EP-2018-245 ; LHCB-PAPER-2018-034.
- 2018. - 39 p.
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2018-08-24
11:51
Search for lepton-flavour-violating decays of Higgs-like bosons / LHCb Collaboration
A search is presented for a Higgs-like boson with mass in the range 45 to 195 GeV/$c^2$ decaying into a muon and a tau lepton. [...]
arXiv:1808.07135 ; CERN-EP-2018-210 ; LHCb-PAPER-2018-030 ; LHCB-PAPER-2018-030.
- 2018. - 20 p.
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2018-08-21
10:21
Measurement of antiproton production in ${\rm p He}$ collisions at $\sqrt{s_{NN}}=110$ GeV / LHCb Collaboration
The cross-section for prompt antiproton production in collisions of protons with an energy of $6.5$ TeV incident on helium nuclei at rest is measured with the LHCb experiment from a data set corresponding to an integrated luminosity of $0.5 ~~\rm nb^{-1}$. [...]
arXiv:1808.06127 ; LHCb-PAPER-2018-031 ; CERN-EP-2018-217 ; LHCB-PAPER-2018-031.
- 2018. - 22 p.
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2018-08-03
09:58
Angular moments of the decay $\Lambda_b^0 \rightarrow \Lambda \mu^{+} \mu^{-}$ at low hadronic recoil / LHCb Collaboration
An analysis of the angular distribution of the decay $\Lambda_b^0 \rightarrow \Lambda \mu^{+} \mu^{-}$ is presented, using data collected with the LHCb detector between 2011 and 2016 and corresponding to an integrated luminosity of approximately $5\,fb^{-1}$. Angular observables are determined using a moment analysis of the angular distribution at low hadronic recoil, corresponding to the dimuon invariant mass squared range $15 < q^{2} < 20\, GeV^2/c^4$. [...]
arXiv:1808.00264; CERN-EP-2018-197; LHCb-PAPER-2018-029.- Geneva : CERN, 2018-09-26 - 27 p. - Published in : JHEP 09 (2018) 146 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP; External link: Figures, tables and other information

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2018-07-30
16:01
Measurement of the relative $B^{-} \rightarrow D^{0} / D^{*0} / D^{**0} \mu^{-} \overline{\nu}_\mu$ branching fractions using $B^{-}$ mesons from $\overline{B}{}_{s2}^{*0}$ decays / LHCb Collaboration
The decay of the narrow resonance $\overline{B}{}_{s2}^{*0}\!\rightarrow B^- K^+$ can be used to determine the $B^-$ momentum in partially reconstructed decays without any assumptions on the decay products of the $B^-$ meson. [...]
arXiv:1807.10722 ; LHCb-PAPER-2018-024 ; CERN-EP-2018-190 ; LHCB-PAPER-2018-024.
- 2018. - 27 p.
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2018-07-18
10:00
Search for $C\!P$ violation in $\Lambda^0_b \to p K^-$ and $\Lambda^0_b \to p \pi^-$ decays / LHCb Collaboration
A search for $C\!P$ violation in $\Lambda^0_b \to p K^-$ and $\Lambda^0_b \to p \pi^-$ decays is presented using a sample of $pp$ collisions collected with the LHCb detector and corresponding to an integrated luminosity of 3.0 fb$^{-1}$. [...]
arXiv:1807.06544 ; LHCb-PAPER-2018-025 ; CERN-EP-2018-189 ; LHCB-PAPER-2018-025.
- 2018. - 18 p.
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2018-07-16
15:53
Measurement of $\Upsilon$ production in $pp$ collisions at $\sqrt{s}$= 13 TeV / LHCb Collaboration
The production cross-sections of $\Upsilon(1S)$, $\Upsilon(2S)$ and $\Upsilon(3S)$ mesons in proton-proton collisions at $\sqrt{s}$= 13 TeV are measured with a data sample corresponding to an integrated luminosity of $277 \pm 11$ $\rm pb^{-1}$ recorded by the LHCb experiment in 2015. The $\Upsilon$ mesons are reconstructed in the decay mode $\Upsilon\to\mu^{+}\mu^{-}$. [...]
LHCB-PAPER-2018-002; CERN-EP-2018-054; arXiv:1804.09214; LHCB-PAPER-2018-002.- 2018-07-20 - 26 p. - Published in : JHEP 07 (2018) 134 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Figures, tables and other information

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