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Publications (148)

hep-ex2021

Constraints on the $K_{S}^{0} \to I^¼^{+} I^¼^{-}$ branching fraction

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +901

A search for the decay $K_{S}^{0} \to I^¼^{+} I^¼^{-}$ is performed using proton-proton collision data, corresponding to an integrated luminosity of $5.6 fb^{- 1}$ …

hep-ex2020

Test of lepton universality with $I^_{b}^{0} \to p K^{-} ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +904

The ratio of branching fractions of the decays $I^_{b}^{0} \to p K^{-} e^{+} e^{-}$ and $I^_{b}^{0} \to p K^{-} I^¼^{+} I^¼^{-}$ , $R_{p K}^{- 1}$ , is measured for the first time using proton-p…

hep-ex2020

Search for $A^{'} \to I^¼^{+} I^¼^{-}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +905

Searches are performed for both prompt-like and long-lived dark photons, $A^{'}$ , produced in proton-proton collisions at a center-of-mass energy of 13 TeV. These searches look for $A…

hep-ex2020

Search for the lepton flavour violating decay $B^{+} \to K^{+} I^¼^{-} I ¨ ^{+}$ using $B_{s 2}^{* 0}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +904

A search is presented for the lepton flavour violating decay $B^{+} \to K^{+} I^¼^{-} I ¨ ^{+}$ using a sample of proton--proton collisions at centre-of-mass energies of 7, 8, and 13…

Publications (148)

Constraints on the KS0​→I^¼+I^¼− branching fraction

Test of lepton universality with I^b0​→pK−ℓ+ℓ− decays

Search for A′→I^¼+I^¼− decays

Search for the lepton flavour violating decay B+→K+I^¼−I¨+ using Bs2∗0​ decays

Observation of the decay Bs0​→D0K+K−

Evidence for the decay Bs0​→K∗0I^¼+I^¼−

Observation of D0 meson decays to I¨+I¨−I^¼+I^¼− and K+K−I^¼+I^¼− final states

Measurement of CP-averaged observables in the B0→K∗0I^¼+I^¼− decay

Observation of a new baryon state in the I^b0​I¨+I¨− mass spectrum

Observation of a new I^b−​ resonance

Observation of several sources of CP violation in B+→I¨+I¨+I¨− decays

Measurement of forward top pair production in the dilepton channel in pp collisions at s​=13 TeV

Observation of the decay Bs0​​→I¨c2​K+K− in the I¨ mass region

Search for the lepton-flavour violating decays B(s)0​→e±I^¼∓

Measurement of the I^c◯c0​ baryon lifetime

Determination of quantum numbers for several excited charmed mesons observed in B−→D∗+I¨−I¨− decays

Search for the rare decay I^c+​→pI^¼+I^¼−

Evidence for the rare decay I^£+→pI^¼+I^¼−

Measurement of the I^¥ polarizations in pp collisions at s​=7 and 8TeV

Search for dark photons produced in 13 TeV pp collisions

Measurement of the B± production cross-section in pp collisions at s​= 7 and 13 TeV

Measurement of I^cc++​ production in pp collisions at s​=13 TeV

Observation of the I^b0​→I¨c1​(3872)pK− decay

Measurement of the lifetime of the doubly charmed baryon I^cc++​

Search for Bc+​ decays to two charm mesons

First observation of the radiative decay I^b0​→I^I^3

Engineering the sub-Doppler force in molecular magneto-optical traps

Search for CP violation in I^c+​→pK−I¨+ decays using model-independent techniques

Measurement of the electron reconstruction efficiency at LHCb

Measurement of CP violation in B0→D∓I¨± decays

Study of the B0→I¨(770)0K∗(892)0 decay with an amplitude analysis of B0→(I¨+I¨−)(K+I¨−) decays

Observation of a narrow pentaquark state, Pc​(4312)+, and of two-peak structure of the Pc​(4450)+

First measurement of the CP-violating phase I¨sdd​ in Bs0​→(K+I¨−)(K−I¨+) decays

Search for CP violation using triple product asymmetries in I^b0​→pK−I¨+I¨−, I^b0​→pK−K+K− and I^b0​→pK−K−I¨+ decays

Measurement of the mass difference between neutral charm-meson eigenstates

Amplitude analysis of the B(s)​→K∗0K∗0 decays and measurement of the branching fraction of the B→K∗0K∗0 decay

Amplitude analysis of the B+→I¨+I¨+I¨− decay

Model-independent observation of exotic contributions to B0→J/I¨K+I¨− decays

First measurement of charm production in fixed-target configuration at the LHC

Search for the rare decays Bs0​→e+e− and B0→e+e−

Measurement of branching fractions of charmless four-body I^b0​ and I^b0​ decays

A search for weakly decaying b-flavored pentaquarks

First observation of excited I^c◯b−​ states

Amplitude analysis of the decay B0→KS0​I¨+I¨− and first observation of the CP asymmetry in B0→K∗(892)−I¨+

Test of Lepton Flavor Universality by the measurement of the B0→D∗−I¨+I^½I¨​ branching fraction using three-prong I¨ decays

Physics case for an LHCb Upgrade II - Opportunities in flavour physics, and beyond, in the HL-LHC era

Measurement of CP violation in the Bs0​→I¨I¨ decay and search for the B0→I¨I¨ decay

Measurement of the inelastic pp cross-section at a centre-of-mass energy of 13\,TeV

Observation of two resonances in the I^b0​I¨± systems and precise measurement of I^£b±​ and I^£b∗±​ properties

Measurement of the time-integrated CP asymmetry in D0→KS0​KS0​ decays

A search for I^cc++​→D+pK−I¨+ decays

Measurements of CP asymmetries in charmless four-body I^b​ and I^b0​ decays

Search for CP violation through an amplitude analysis of D0→K+K−I¨+I¨− decays

Measurement of Z→I¨+I¨− production in proton-proton collisions at s​=8 TeV

Observation of an excited Bc+​ state

Study of bbˉ correlations in high energy proton-proton collisions

Search for the doubly charmed baryon I^cc+​

Measurement of the branching fraction and CP asymmetry in B+→J/I¨I¨+ decays

Measurement of Ds±​ production asymmetry in pp collisions at s​=7 and 8 TeV

Amplitude analysis of Bs0​→KS0​K±I¨∓ decays

First observation of the doubly charmed baryon decay I^cc++​→I^c+​I¨+

Measurement of antiproton production in pHe collisions at sNN​​=110 GeV

Measurement of CP violation in B0→D∗±D∓ decays

Measurement of CP asymmetries in two-body B(s)0​-meson decays to charged pions and kaons

Measurement of charged hadron production in Z-tagged jets in proton-proton collisions at s​=8 TeV

Measurement of CP-violating and mixing-induced observables in Bs0​→I¨I^3 decays

Measurement of fs​/fu​ variation with proton-proton collision energy and B-meson kinematics

Precision measurement of the I^c+​, I^c+​ and I^c0​ baryon lifetimes

Measurement of CP observables in the process B0→DK∗0 with two- and four-body D decays

Measurement of b-hadron fractions in 13 TeV pp collisions

Towards a Transportable Aluminium Ion Quantum Logic Optical Clock

Near-threshold DDˉ spectroscopy and observation of a new charmonium state

Evidence for an I^⋅c​(1S)I¨− resonance in B0→I^⋅c​(1S)K+I¨− decays

Measurement of the I^b0​→J/I¨I^ angular distribution and the I^b0​ polarisation in pp collisions

Observation of B(s)0​→J/I¨pp​ decays and precision measurements of the B(s)0​ masses

A measurement of the CP asymmetry difference in Λc+​→pK−K+ and pI¨−I¨+ decays

Precision measurement of the Bc+​ meson mass

Search for CP violation in Ds+​→KS0​I¨+, D+→KS0​K+ and D+→I¨I¨+ decays

Measurement of CP asymmetry in Bs0​→Ds∓​K± decays

Constraints on the $K_{S}^{0} \to I^¼^{+} I^¼^{-}$ branching fraction

Test of lepton universality with $I^_{b}^{0} \to p K^{-} ℓ^{+} ℓ^{-}$ decays

Search for $A^{'} \to I^¼^{+} I^¼^{-}$ decays

Search for the lepton flavour violating decay $B^{+} \to K^{+} I^¼^{-} I ¨ ^{+}$ using $B_{s 2}^{* 0}$ decays

Observation of the decay $B_{s}^{0} \to D^{0} K^{+} K^{-}$

Evidence for the decay $B_{s}^{0} \to K^{* 0} I^¼^{+} I^¼^{-}$

Observation of $D^{0}$ meson decays to $I ¨ ^{+} I ¨ ^{-} I^¼^{+} I^¼^{-}$ and $K^{+} K^{-} I^¼^{+} I^¼^{-}$ final states

Measurement of $C P$ -averaged observables in the $B^{0} \to K^{* 0} I^¼^{+} I^¼^{-}$ decay

Observation of a new baryon state in the $I^_{b}^{0} I ¨ ^{+} I ¨ ^{-}$ mass spectrum

Observation of a new $I^_{b}^{-}$ resonance

Observation of several sources of $C P$ violation in $B^{+} \to I ¨ ^{+} I ¨ ^{+} I ¨ ^{-}$ decays

Measurement of forward top pair production in the dilepton channel in $pp$ collisions at $s = 13$ TeV

Observation of the decay $B_{s}^{0} \to I ¨ _{c 2} K^{+} K^{-}$ in the $I ¨ $ mass region

Search for the lepton-flavour violating decays $B_{(s)}^{0} \to e^{\pm} I^¼^{\mp}$

Measurement of the $I^c ◯_{c}^{0}$ baryon lifetime

Determination of quantum numbers for several excited charmed mesons observed in $B^{-} \to D^{*+} I ¨ ^{-} I ¨ ^{-}$ decays

Search for the rare decay $I^_{c}^{+} \to p I^¼^{+} I^¼^{-}$

Evidence for the rare decay $I^£^{+} \to p I^¼^{+} I^¼^{-}$

Measurement of the $I^¥$ polarizations in $pp$ collisions at $s$ =7 and 8TeV

Search for dark photons produced in 13 TeV $pp$ collisions

Measurement of the $B^{\pm}$ production cross-section in pp collisions at $s =$ 7 and 13 TeV

Measurement of $I^_{cc}^{++}$ production in $pp$ collisions at $s = 13$ TeV

Observation of the $I^_{b}^{0} \to I ¨ _{c 1} (3872) p K^{-}$ decay

Measurement of the lifetime of the doubly charmed baryon $I^_{cc}^{++}$

Search for $B_{c}^{+}$ decays to two charm mesons

First observation of the radiative decay $I^_{b}^{0} \to I^ I^^{3}$

Search for $C P$ violation in $I^_{c}^{+} \to p K^{-} I ¨ ^{+}$ decays using model-independent techniques

Measurement of $C P$ violation in $B^{0} \to D^{\mp} I ¨ ^{\pm}$ decays

Study of the $B^{0} \to I ¨ (770)^{0} K^{*} (892)^{0}$ decay with an amplitude analysis of $B^{0} \to (I ¨ ^{+} I ¨ ^{-}) (K^{+} I ¨ ^{-})$ decays

Observation of a narrow pentaquark state, $P_{c} (4312)^{+}$ , and of two-peak structure of the $P_{c} (4450)^{+}$

First measurement of the $C P$ -violating phase $I ¨ _{s}^{d d}$ in $B_{s}^{0} \to (K^{+} I ¨ ^{-}) (K^{-} I ¨ ^{+})$ decays

Search for CP violation using triple product asymmetries in $I^_{b}^{0} \to p K^{-} I ¨ ^{+} I ¨ ^{-}$ , $I^_{b}^{0} \to p K^{-} K^{+} K^{-}$ and $I^_{b}^{0} \to p K^{-} K^{-} I ¨ ^{+}$ decays

Amplitude analysis of the $B_{(s)} \to K^{* 0} K^{* 0}$ decays and measurement of the branching fraction of the $B \to K^{* 0} K^{* 0}$ decay

Amplitude analysis of the $B^{+} \to I ¨ ^{+} I ¨ ^{+} I ¨ ^{-}$ decay

Model-independent observation of exotic contributions to $B^{0} \to J / I ¨ K^{+} I ¨ ^{-}$ decays

Search for the rare decays $B_{s}^{0} \to e^{+} e^{-}$ and $B^{0} \to e^{+} e^{-}$

Measurement of branching fractions of charmless four-body $I^_{b}^{0}$ and $I^_{b}^{0}$ decays

First observation of excited $I^c ◯_{b}^{-}$ states

Amplitude analysis of the decay $B^{0} \to K_{S}^{0} I ¨ ^{+} I ¨ ^{-}$ and first observation of the CP asymmetry in $B^{0} \to K^{*} (892)^{-} I ¨ ^{+}$

Test of Lepton Flavor Universality by the measurement of the $B^{0} \to D^{*-} I ¨ ^{+} I^½_{I ¨} $ branching fraction using three-prong $I ¨ $ decays

Measurement of CP violation in the $B_{s}^{0} \to I ¨ I ¨ $ decay and search for the $B^{0} \to I ¨ I ¨ $ decay

Measurement of the inelastic $pp$ cross-section at a centre-of-mass energy of 13\,TeV

Observation of two resonances in the $I^_{b}^{0} I ¨ ^{\pm}$ systems and precise measurement of $I^£_{b}^{\pm}$ and $I^£_{b}^{*\pm}$ properties

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays

A search for $I^_{cc}^{++} \to D^{+} p K^{-} I ¨ ^{+}$ decays

Measurements of $C P$ asymmetries in charmless four-body $I^_{b}$ and $I^_{b}^{0}$ decays

Search for $C P$ violation through an amplitude analysis of $D^{0} \to K^{+} K^{-} I ¨ ^{+} I ¨ ^{-}$ decays

Measurement of $Z \to I ¨ ^{+} I ¨ ^{-}$ production in proton-proton collisions at $s = 8$ TeV

Observation of an excited $B_{c}^{+}$ state

Study of $b b ˉ$ correlations in high energy proton-proton collisions

Search for the doubly charmed baryon $I^_{cc}^{+}$

Measurement of the branching fraction and $C P$ asymmetry in $B^{+} \to J / I ¨ I ¨ ^{+}$ decays

Measurement of $D_{s}^{\pm}$ production asymmetry in $pp$ collisions at $s = 7$ and 8 TeV

Amplitude analysis of $B_{s}^{0} \to K_{S}^{0} K^{\pm} I ¨ ^{\mp}$ decays

First observation of the doubly charmed baryon decay $I^_{cc}^{++} \to I^_{c}^{+} I ¨ ^{+}$

Measurement of antiproton production in $pHe$ collisions at $s_{N N} = 110$ GeV

Measurement of $C P$ violation in $B^{0} \to D^{*\pm} D^{\mp}$ decays

Measurement of $C P$ asymmetries in two-body $B_{(s)}^{0}$ -meson decays to charged pions and kaons

Measurement of charged hadron production in $Z$ -tagged jets in proton-proton collisions at $s = 8$ TeV

Measurement of $C P$ -violating and mixing-induced observables in $B_{s}^{0} \to I ¨ I^^{3}$ decays

Measurement of $f_{s} / f_{u}$ variation with proton-proton collision energy and $B$ -meson kinematics

Precision measurement of the $I^_{c}^{+}$ , $I^_{c}^{+}$ and $I^_{c}^{0}$ baryon lifetimes

Measurement of $C P$ observables in the process $B^{0} \to D K^{* 0}$ with two- and four-body $D$ decays

Near-threshold $D D ˉ$ spectroscopy and observation of a new charmonium state

Evidence for an $I^\cdot_{c} (1 S) I ¨ ^{-}$ resonance in $B^{0} \to I^\cdot_{c} (1 S) K^{+} I ¨ ^{-}$ decays

Measurement of the $I^_{b}^{0} \to J / I ¨ I^$ angular distribution and the $I^_{b}^{0}$ polarisation in $pp$ collisions

Observation of $B_{(s)}^{0} \to J / I ¨ p p$ decays and precision measurements of the $B_{(s)}^{0}$ masses

A measurement of the $C P$ asymmetry difference in $Λ_{c}^{+} \to p K^{-} K^{+}$ and $p I ¨ ^{-} I ¨ ^{+}$ decays

Precision measurement of the $B_{c}^{+}$ meson mass

Search for $C P$ violation in $D_{s}^{+} \to K_{S}^{0} I ¨ ^{+}$ , $D^{+} \to K_{S}^{0} K^{+}$ and $D^{+} \to I ¨ I ¨ ^{+}$ decays

Measurement of $C P$ asymmetry in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays

Measurement of the $I^\cdot_{c} (1 S)$ production cross-section in $pp$ collisions at $s = 13$ TeV

Measurement of angular and CP asymmetries in $D^{0} \to I ¨ ^{+} I ¨ ^{-} I^¼^{+} I^¼^{-}$ and $D^{0} \to K^{+} K^{-} I^¼^{+} I^¼^{-}$ decays

Characterizing the Zeeman slowing force for $^{40}$ Ca $^{19}$ F molecules

First observation of forward $Z \to b b ˉ$ production in $pp$ collisions at $s = 8$ TeV

Search for beautiful tetraquarks in the $I^¥ (1 S) I^¼ I^¼$ invariant-mass spectrum

Study of the lineshape of the $I ¨ _{c 1} (3872)$ state

Amplitude analysis of $B^{\pm} \to I ¨ ^{\pm} K^{+} K^{-}$ decays

Observation of new $I^_{c}^{0}$ baryons decaying to $I^_{c}^{+} K^{-}$

Search for $C P$ violation in $I^_{b}^{0} \to p K^{-}$ and $I^_{b}^{0} \to p I ¨ ^{-}$ decays