M. Ruiz Diaz

collaborators

12 papers

nucl-ex2026

Measurement of the average transverse momentum of forward prompt charged particles in $pp$ and $p Pb$ collisions at $s_{N N} = 5.02 TeV$

LHCb collaboration, R. Aaij, M. Abdelfatah +1106

This letter presents the first measurements of the average transverse momentum of prompt charged particles in $pp$ and $p Pb$ collisions as a function of collision multipli…

hep-ex2026

Study of muon-tagged $D_{s 1} (2460)^{+}$ and $D_{s 1} (2536)^{+}$ decays to the $D_{s}^{+} π^{+} π^{-}$ final state

LHCb collaboration, R. Aaij, M. Abdelfatah +1119

Decays of the pseudovector $D_{s 1} (2460)^{+}$ and $D_{s 1} (2536)^{+}$ mesons to the three-body $D_{s}^{+} π^{+} π^{-}$ final state are studied. The data sample is based on decays of beauty hadr…

hep-ex2026

New measurements of $B_{c}^{+}$ decays into single charm final states

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

Using proton-proton collision data corresponding to an integrated luminosity of $9 fb^{- 1}$ collected by the LHCb experiment, searches are performed for $B_{c}^{+}$ mesons d…

hep-ex2026

Search for $C P$ violation in $D^{+} \to ϕ π^{+}$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1106

A search for charge-parity ( $C P$ ) violation in the Cabibbo-suppressed $D^{+} \to ϕ π^{+}$ decay is presented, using proton-proton collision data corresponding to an integrated luminos…

hep-ex2026

Differential measurement of the branching fraction and $C P$ asymmetry of the decay $B^{\pm} \to π^{\pm} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1121

Differential measurements of the branching fraction and $C P$ asymmetry of the decay $B^{\pm} \to π^{\pm} μ^{+} μ^{-}$ are performed in intervals of the dimuon mass squared, $q^{2}$ , using pro…

hep-ex2026

First evidence of the decay $B^{+} \to π^{+} e^{+} e^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1182

The first evidence for the decay $B^{+} \to π^{+} e^{+} e^{-}$ is reported using proton-proton collision data recorded by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, c…

hep-ex2026

Angular analysis of the $B^{+} \to π^{+} μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, M. Abdelfatah +1112

This paper presents the first measurement of the forward-backward asymmetry, $A_{FB}$ , and the flat term, $F_{H}$ , that parameterise the angular distribution of the $B^+\toπ^+μ…

hep-ex2026

Observation of a new excited charm-strange meson $D_{s 1} (2933)^{+}$ in $B^{0} \to D^{+} D^{-} K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A new excited charm-strange meson is observed through an amplitude analysis of the full phase space of $B^{0} \to D^{+} D^{-} K^{+} π^{-}$ decays. The analysis is based on a proton-proton col…

hep-ex2026

Measurement of the $W$ -boson production cross-sections in $pp$ collisions at $s$ = 13 TeV in the forward region

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A precision measurement of the $W$ -boson production cross-section is performed using the $W \to μν$ decay channel, based on a sample of proton-proton collision data collected by th…

hep-ex2026

Precision measurement of the muon charge asymmetry from $W$ -boson decays in $pp$ collisions at $s$ = 13 TeV in the forward region

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A precision measurement of the muon charge asymmetry from $W$ -boson decays in proton-proton collisions at $s$ = 13 TeV is presented. The analysis utilizes data corresponding…

hep-ex2026

Measurement of inclusive production of charmonium states in $b$ -hadron decays via their decay into $ϕϕ$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1176

The inclusive production of the $η_{c} (1 S)$ , $η_{c} (2 S)$ and $χ_{c}$ charmonium states in $b$ -hadron decays is studied with LHCb Run~2 data, corresponding to an integrated luminosity o…

hep-ex2025

Search for the lepton-flavour-violating decays $B^{0} \to K^{* 0} τ^{\pm} e^{\mp}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1131

A first search for the lepton-flavour-violating decays $B^{0} \to K^{* 0} τ^{\pm} e^{\mp}$ is presented. The analysis is performed using a sample of proton-proton collision data, collected…

Measurement of the average transverse momentum of forward prompt charged particles in pp and pPb collisions at sNN​​=5.02TeV

Study of muon-tagged Ds1​(2460)+ and Ds1​(2536)+ decays to the Ds+​π+π− final state

New measurements of Bc+​ decays into single charm final states

Search for CP violation in D+→ϕπ+ decays

Differential measurement of the branching fraction and CP asymmetry of the decay B±→π±μ+μ−

First evidence of the decay B+→π+e+e−

Angular analysis of the B+→π+μ+μ− decay

Observation of a new excited charm-strange meson Ds1​(2933)+ in B0→D+D−K+π− decays

Measurement of the W-boson production cross-sections in pp collisions at s​ = 13 TeV in the forward region

Precision measurement of the muon charge asymmetry from W-boson decays in pp collisions at s​ = 13 TeV in the forward region

Measurement of inclusive production of charmonium states in b-hadron decays via their decay into ϕϕ

Search for the lepton-flavour-violating decays B0→K∗0τ±e∓

Measurement of the average transverse momentum of forward prompt charged particles in $pp$ and $p Pb$ collisions at $s_{N N} = 5.02 TeV$

Study of muon-tagged $D_{s 1} (2460)^{+}$ and $D_{s 1} (2536)^{+}$ decays to the $D_{s}^{+} π^{+} π^{-}$ final state

New measurements of $B_{c}^{+}$ decays into single charm final states

Search for $C P$ violation in $D^{+} \to ϕ π^{+}$ decays

Differential measurement of the branching fraction and $C P$ asymmetry of the decay $B^{\pm} \to π^{\pm} μ^{+} μ^{-}$

First evidence of the decay $B^{+} \to π^{+} e^{+} e^{-}$

Angular analysis of the $B^{+} \to π^{+} μ^{+} μ^{-}$ decay

Observation of a new excited charm-strange meson $D_{s 1} (2933)^{+}$ in $B^{0} \to D^{+} D^{-} K^{+} π^{-}$ decays

Measurement of the $W$ -boson production cross-sections in $pp$ collisions at $s$ = 13 TeV in the forward region

Precision measurement of the muon charge asymmetry from $W$ -boson decays in $pp$ collisions at $s$ = 13 TeV in the forward region

Measurement of inclusive production of charmonium states in $b$ -hadron decays via their decay into $ϕϕ$

Search for the lepton-flavour-violating decays $B^{0} \to K^{* 0} τ^{\pm} e^{\mp}$