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CERN Document Server 37 elementer funnet  1 - 10nesteslutt  gå til element: Søket tok 1.55 sekunder. 
1.
The LHCb upgrade I / LHCb Collaboration
The LHCb upgrade represents a major change of the experiment. The detectors have been almost completely renewed to allow running at an instantaneous luminosity five times larger than that of the previous running periods. [...]
arXiv:2305.10515; LHCb-DP-2022-002.- 2024-05-23 - 232 p. - Published in : JINST 19 (2024) P05065 Fulltext: document - PDF; 2305.10515 - PDF;
In : The Large Hadron Collider and The Experiments for Run 3
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2.
Spectroscopy in Beauty Decays at the LHCb Experiment / LHCb Collaboration
The beauty hadron decays is unique laboratory to study charmonium and charmonium-like states, such as the $\chi_{c1}(3872)$ meson, other exotic states and the tensor $D$-wave $\Psi_2(3823)$ states. However the nature of many exotic charmonium-like candidates are still unknown. [...]
arXiv:2103.04453; LHCb-PROC-2021-006; CERN-LHCb-PROC-2021-006; CERN-LHCb-PROC-2021-006.- Geneva : CERN, 2021 - 7 p. - Published in : Acta Phys. Pol. B 52 (2021) 1047 Fulltext: document - PDF; 2103.04453 - PDF; LHCb-PROC-2021-006 - PDF;
In : XXVII Cracow Epiphany Conference on Future of particle physics (Epiphany2021), Online, Poland, 7 - 10 Jan 2021, pp.1047
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3.
Amplitude analysis of the $B^+ \to D^+ D^- K^+$ decay / LHCb Collaboration
Results are reported from an amplitude analysis of the $B^+\to D^+D^-K^+$ decay. The analysis is carried out using LHCb proton-proton collision data taken at $\sqrt{s}=7,8,$ and $13$ TeV, corresponding to a total integrated luminosity of 9 fb$^{-1}$. [...]
arXiv:2009.00026; LHCb-PAPER-2020-025; CERN-EP-2020-159.- 2020-12-07 - 48 p. - Published in : Phys. Rev. D 102 (2020) 112003 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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4.
Observation of a new excited $D_s^+$ meson in $B^0$ to $D^- D^+ K^+ \pi^-$ decays / LHCb Collaboration
Using $pp$ collision data corresponding to an integrated luminosity of $5.4\,{\rm fb}^{-1}$ collected with the LHCb detector at a center-of-mass energy of $13\,{\rm TeV}$, the $B^0\to D^-D^+K^+\pi^-$ decay is studied. A new excited $D_s^+$ meson is observed decaying into the $D^+K^+\pi^-$ final state with large statistical significance. [...]
arXiv:2011.09112; CERN-EP-2020-203; LHCb-PAPER-2020-034; LHCB-PAPER-2020-034.- Geneva : CERN, 2021-03-27 - 11 p. - Published in : Phys. Rev. Lett. 126 (2021) 122002 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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5.
Search for the rare decay $B^0 \to J/\psi\phi$ / LHCb Collaboration
A search for the rare decay $B^{0} \rightarrow J/\psi \phi$ is performed using $pp$ collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 ${\rm fb}^{-1}$. No significant signal of the decay is observed and an upper limit of $1.1 \times 10^{-7}$ at 90% confidence level is set on the branching fraction..
arXiv:2011.06847; LHCb-PAPER-2020-033; CERN-EP-2020-204; LHCB-PAPER-2020-033.- 2021-03-18 - 14 p. - Published in : Chin. Phys. C 45 (2021) 043001 Fulltext: PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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6.
Search for heavy neutral leptons in $W^+ \to \mu^+ \mu^{\pm} jet $ decays / LHCb Collaboration
A search is performed for heavy neutrinos in the decay of a $W$ boson into two muons and a jet. The data set corresponds to an integrated luminosity of approximately $3.0 \text{ fb}^{- 1}$ of proton-proton collision data at centre-of-mass energies of 7 and $8 \text{ TeV}$ collected with the LHCb experiment. [...]
arXiv:2011.05263; LHCb-PAPER-2020-022; CERN-EP-2020-194; LHCB-PAPER-2020-022.- Geneva : CERN, 2021-03-22 - 15 p. - Published in : Eur. Phys. J. C 81 (2021) 248 Article from SCOAP3: PDF; Fulltext: 2011.05263 - PDF; LHCb-PAPER-2020-022 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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7.
Study of $B_s^0 \to J/\psi \pi^+ \pi^- K^+ K^-$ decays / LHCb Collaboration
The decays $B^0_s \rightarrow J/\psi \pi^+\pi^- K^+ K^-$ are studied using a data set corresponding to an integrated luminosity of 9 fb$^{-1}$, collected with the LHCb detector in proton-proton collisions at centre-of-mass energies of 7, 8 and 13 TeV. The decays $B^0_s \rightarrow J/\psi K^{\ast0} \bar{K}^{\ast0}$ and $B^0_s \rightarrow \chi_{c1}(3872)K^+K^-$, where the $K^+K^-$ pair does not originate from a $\phi$ meson, are observed for the first time [...]
arXiv:2011.01867; LHCb-PAPER-2020-35; CERN-EP-2020-192; LHCB-PAPER-2020-035.- Geneva : CERN, 2021-02-02 - 34 p. Article from SCOAP3: PDF; Fulltext: 2011.01867 - PDF; LHCb-PAPER-2020-035 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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8.
Searches for 25 rare and forbidden decays of $D^{+}$ and $ {D}_s^{+} $ mesons / LHCb Collaboration
A search is performed for rare and forbidden charm decays of the form $D_{(s)}^+ \to h^\pm \ell^+ \ell^{(\prime)\mp}$, where $h^\pm$ is a pion or kaon and $\ell^{(')\pm}$ is an electron or muon. The measurements are performed using proton-proton collision data, corresponding to an integrated luminosity of $1.6\text{fb}^{-1}$, collected by the LHCb experiment in 2016. [...]
arXiv:2011.00217; LHCb-PAPER-2020-007; CERN-EP-2020-140.- 2021-06-07 - 24 p. - Published in : JHEP 2106 (2021) 044 Article from SCOAP3: PDF; Fulltext: PDF;
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9.
Observation of new excited ${B} ^0_{s} $ states / LHCb Collaboration
A structure is observed in the $B^+K^-$ mass spectrum in a sample of proton--proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9 fb${}^-1$. The structure is interpreted as the result of overlapping excited $B_s^0$ states. [...]
arXiv:2010.15931; LHCb-PAPER-2020-026; CERN-EP-2020-185; LHCB-PAPER-2020-026.- Geneva : CERN, 2021-07-12 - 17 p. - Published in : Eur. Phys. J. C 81 (2021) 601 Fulltext: LHCb-PAPER-2020-026 - PDF; document - PDF; 2010.15931 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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10.
Observation of a new $\Xi_b^0$ state / LHCb Collaboration
Using a proton-proton collision data sample collected by the LHCb experiment, corresponding to an integrated luminosity of 8.5~fb$^{-1}$, the observation of a new excited $\Xi_b^0$ resonance decaying to the $\Xi_b^-\pi^+$ final state is presented. The state, referred to as $\Xi_b(6227)^0$, has a measured mass and natural width of $m(\Xi_b(6227)^0) = 6227.1^{\,+1.4}_{\,-1.5}\pm0.5$ MeV, $\Gamma(\Xi_b(6227)^0) = 18.6^{\,+5.0}_{\,-4.1}\pm1.4$ MeV, where the uncertainties are statistical and systematic. [...]
arXiv:2010.14485; LHCb-PAPER-2020-032; CERN-EP-2020-190; LHCB-PAPER-2020-032.- Geneva : CERN, 2021-01-07 - 17 p. - Published in : Phys. Rev. D 103 (2021) 012004 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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CERN Document Server : 37 elementer funnet   1 - 10nesteslutt  gå til element:
Se også: lignende forfatternavn
32 Richards, D
2 Richards, D F
71 Richards, D G
1 Richards, D H
3 Richards, D R
2 Richards, D S P
1 Richards, D St P
1 Richards, D W
11 Richards, D.
4 Richards, D.G.
2 Richards, DS
41 Richards, Daniel Stephen
1 Richards, Dave
18 Richards, David
21 Richards, David G
1 Richards, David G.
3 Richards, David M
1 Richards, Deborah
1 Richards, Deborah E
1 Richards, Derek
2 Richards, Donald
4 Richards, Donald St P
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