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LHCb Papers

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2014-04-08
05:05
Observation of the resonant character of the $Z(4430)^-$ state / LHCb collaboration
Resonant structures in $B^0\to\psi'\pi^-K^+$ decays are analyzed by performing a four-dimensional fit of the decay amplitude, using $pp$ collision data corresponding to $\rm 3 fb^{-1}$ collected with the LHCb detector. [...]
arXiv:1404.1903 ; LHCB-PAPER-2014-014 ; CERN-PH-EP-2014-061. - 2014. - 10 p.
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2014-04-02
04:34
Evidence for the decay $B_c^+ \rightarrow J/\psi 3\pi^+ 2\pi^-$ / LHCb collaboration
Evidence is presented for the decay $B_c+\rightarrow J/\psi 3\pi^+2\pi^-$ using proton-proton collision data, corresponding to an integrated luminosity of 3fb$^{-1}$, collected with the LHCb detector. [...]
arXiv:1404.0287 ; CERN-PH-EP-2014-054 ; LHCB-PAPER-2014-009. - 2014. - 12 p.
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2014-04-02
04:33
Evidence for the decay $X(3872)\rightarrow\psi(2S)\gamma$ / LHCb collaboration
Evidence for the decay mode $X(3872)\rightarrow\psi(2S)\gamma$ in $B^+\rightarrow X(3872)K^+$ decays is found with a significance of 4.4 standard deviations. [...]
arXiv:1404.0275 ; CERN-PH-EP-2014-050 ; LHCB-PAPER-2014-008. - 2014. - 19 p.
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2014-04-01
04:36
Angular analysis of charged and neutral $B \to K \mu^+\mu^-$ decays / LHCb collaboration
The angular distributions of the rare decays $B^+ \to K^+\mu^+\mu^-$ and $B^0 \to K^0_{\rm\scriptscriptstyle S}\mu^+\mu^-$ are studied with data corresponding to 3$~$fb$^{-1}$ of integrated luminosity, collected in proton-proton collisions at 7 and 8$~$TeV centre-of-mass energies with the LHCb detector. [...]
arXiv:1403.8045 ; LHCB-PAPER-2014-007 ; CERN-PH-EP-2014-056. - 2014. - 27 p.
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2014-04-01
04:36
Differential branching fractions and isospin asymmetries of $B \to K^{(*)}\mu^+\mu^+$ decays / LHCb collaboration
The isospin asymmetries of $B \to K\mu^+\mu^-$ and $B \to K^{*}\mu^+\mu^-$ decays and the partial branching fractions of the $B^0 \to K^0\mu^+\mu^-$, $B^+ \to K^+\mu^+\mu^-$ and $B^+ \to K^{*+}\mu^+\mu^-$ decays are measured as functions of the dimuon mass squared, $q^2$. [...]
arXiv:1403.8044 ; LHCB-PAPER-2014-006 ; CERN-PH-EP-2014-055. - 2014. - 23 p.
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2014-03-17
04:44
Study of beauty hadron decays into pairs of charm hadrons / LHCb collaboration
First observations of the decays $\Lambda_b^0 \to \Lambda_c^+ D_{(s)}^-$ are reported using data corresponding to an integrated luminosity of $3\,{\rm fb}^{-1}$ collected at 7 and 8 TeV center-of-mass energy in proton-proton collisions with the LHCb detector. [...]
arXiv:1403.3606 ; CERN-PH-EP-2014-033 ; LHCB-PAPER-2014-002. - 2014. - 17 p.
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2014-03-13
11:02
Measurement of polarization amplitudes and $CP$ asymmetries in $B^0 \to \phi K^*(892)^0$ / LHCb collaboration
An angular analysis of the decay $B^0 \to \phi K^*(892)^0$ is reported based on a $pp$ collision data sample, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected at a centre-of-mass energy of $\sqrt{s} = 7$ TeV with the LHCb detector. [...]
arXiv:1403.2888 ; CERN-PH-EP-2014-038 ; LHCB-PAPER-2014-005. - 2014. - 26 p.
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2014-03-07
04:27
Measurement of $\psi(2S)$ polarisation in $pp$ collisions at $\sqrt{s}=7$ TeV / LHCb collaboration
The polarisation of prompt $\psi(2S)$ mesons is measured by performing an angular analysis of $\psi(2S)\rightarrow \mu^{+} \mu^{-}$ decays using proton-proton collision data, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected by the LHCb detector at a centre-of-mass energy of 7 TeV. [...]
arXiv:1403.1339 ; CERN-PH-EP-2014-029 ; LHCB-PAPER-2013-067. - 2014. - 22 p.
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2014-02-28
04:27
Observation of photon polarization in the $b \to s\gamma$ transition / LHCb collaboration
This Letter presents a study of the flavor-changing neutral current radiative $B^{\pm} \to K^{\pm}\pi^{\mp}\pi^{\pm}\gamma$ decays performed using data collected in proton-proton collisions with the LHCb detector at $7$ and $8\,$TeV center-of-mass energies. [...]
arXiv:1402.6852 ; CERN-PH-EP-2014-026 ; LHCB-PAPER-2014-001. - 2014. - 17 p.
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2014-02-26
16:23
Measurement of resonant and $CP$ components in $\overline{B}_s^0\to J/\psi\pi^+\pi^-$ decays / LHCb Collaboration
The resonant structure of the decay $\overline{B}_s^0\to J/\psi\pi^+\pi^-$ is studied using data corresponding to 3 fb$^{-1}$ of integrated luminosity from $pp$ collisions by the LHC and collected by the LHCb detector. [...]
arXiv:1402.6248 ; LHCB-PAPER-2013-069 ; CERN-PH-EP-2014-024. - 2014. - 31 p.
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