39 Result(s)
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Article
E. Minucci
Quantum Field Theories, String Theory
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Open AccessErratum to: Observation of the B+ → Jψη′K+ decay
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Open AccessEvidence for the decays B0 → \( \overline{D} \) (*)0ϕ and updated measurements of the branching fractions of the \( {B}_s^0 \) → \( \overline{D} \) (*)0ϕ decays
Evidence for the decays B0 → D ¯ ...
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Open AccessObservation of the decays \( {B}_{(s)}^0 \) → Ds1(2536)∓K±
This paper reports the observation of the decays B s ...
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Open AccessMeasurement of CP asymmetries and branching fraction ratios of B− decays to two charm mesons
The CP asymmetries of seven B− decays to two charm mesons are measured using data corresponding to an integrated luminosity of 9 fb−1 of proton-proton collisions collected by the LHCb experiment. Decays involving...
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Open AccessStudy of the Bose-Einstein correlations of same-sign pions in proton-lead collisions
Correlations of same-sign charged pions are analysed using proton-lead collision data collected by the LHCb experiment at a nucleon-nucleon centre-of-mass energy of 5.02 TeV, corresponding to an integrated lum...
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Open AccessSearch for CP violation in the phase space of D0 → π−π+π0 decays with the energy test
A search for CP violation in D0 → π−π+π0 decays is reported, using pp collision data collected by the LHCb experiment from 2015 to 2018 corresponding to an integrated luminosity of 6 fb−1. An unbinned model-indep...
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Open AccessA study of the K+ → π0e+νγ decay
A sample of 1.3 × 105 K+ → π0e+νγ candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017–2018. Branching fraction measurements are obtained at percent relative precis...
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Open AccessSearch for dark photon decays to μ+μ− at NA62
The NA62 experiment at CERN, designed to study the ultra-rare decay K+ → π+ ν ν ...
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Open AccessObservation of the B+ → Jψη′K+ decay
The B+ → Jψη′K+ decay is observed for the first time using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminos...
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Open AccessSearch for \(D^{*}(2007)^{0} \rightarrow \mu ^{+} \mu ^{-}\) in \(B^{-}\rightarrow \pi ^{-} \mu ^{+} \mu ^{-}\) decays
The very rare \({{D} ^*} (2007)^0\!\rightarrow {\mu ^+\mu ^-} \) ...
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Open AccessObservation of the \( {\textrm{B}}_{\textrm{s}}^0 \) → χc1(3872)π+π− decay
The first observation of the B s 0 ...
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Open AccessAddendum to: A measurement of the K+ → π+μ+μ− decay
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Open AccessPerformance of the NA62 trigger system
The NA62 experiment at CERN targets the measurement of the ultra-rare K + ...
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Open AccessA measurement of the K+ → π+μ+μ− decay
A sample of 2.8 × 104 K+ → π+μ+μ− candidates with negligible background was collected by the NA62 experiment at the CERN SPS in 2017–2018. The model-independent branching fraction is measured to be (9.15 ± 0.08) ...
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Open AccessMeasurement of the very rare K+ → \( {\pi}^{+}\nu \overline{\nu} \) decay
The NA62 experiment reports the branching ratio measurement BR ...
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Open AccessSearch for a feebly interacting particle X in the decay K+ → π+X
A search for the K+ → π+X decay, where X is a long-lived feebly interacting particle, is performed through an interpretation of the K+ → ...
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Open AccessSearch for π0 decays to invisible particles
The NA62 experiment at the CERN SPS reports a study of a sample of 4 × 109 tagged π0 mesons from K+ → π+π0(γ), searching for the decay of the π0 to invisible particles. No signal is observed in excess of the expe...
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Open AccessAn investigation of the very rare \( {K}^{+}\to {\pi}^{+}\nu \overline{\nu} \) decay
The NA62 experiment reports an investigation of the K + ...
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Article
Open AccessSearch for production of an invisible dark photon in π0 decays
The results of a search for π0 decays to a photon and an invisible massive dark photon at the NA62 experiment at the CERN SPS are reported. From a total of 4.12 × 108 tagged π0 mesons, no signal is observed. Assu...
