J. Walsh

activity

19972023

f_{s} / f_{d}

ratio of fragmentation fractions and of

B_{s}^{0}

decay branching fractions

76 citations · 553 across the 23 of their papers we have counts for

collaborators

23 papers

hep-ex2023★ 3 cited

A search for rare $B \to D μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1046

A search for rare $B \to D μ^{+} μ^{-}$ decays is performed using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9…

hep-ex2023★ 17 cited

Impact of cross-section uncertainties on supernova neutrino spectral parameter fitting in the Deep Underground Neutrino Experiment

DUNE Collaboration, A. Abed Abud, B. Abi +1313

A primary goal of the upcoming Deep Underground Neutrino Experiment (DUNE) is to measure the $O (10)$ MeV neutrinos produced by a Galactic core-collapse supernova if one s…

hep-ex2022★ 3 cited

First observation and branching fraction measurement of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

The first observation of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay is presented using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of ${\sqrt{s}=13 \…

hep-ex2021★ 14 cited

Angular analysis of $D^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ and $D^{0} \to K^{+} K^{-} μ^{+} μ^{-}$ decays and search for $C P$ violation

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1003

The first full angular analysis and an updated measurement of the decay-rate $C P$ asymmetry of the $D^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ and $D^{0} \to K^{+} K^{-} μ^{+} μ^{-}$ decays are reported. The analys…

hep-ex2021★ 29 cited

Search for time-dependent $C P$ violation in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +953

A search for time-dependent violation of the charge-parity symmetry in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays is performed at the LHCb experiment using proton-proton collis…

hep-ex2021★ 5 cited

Angular analysis of $B^{0} \to D^{-} D_{s}^{+}$ with $D_{s}^{*+} \to D_{s}^{+} γ$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +946

The first full angular analysis of the $B^{0} \to D^{*-} D_{s}^{*+}$ decay is performed using 6 fb $^{- 1}$ of $pp$ collision data collected with the LHCb experiment at a centre-of-mass…

hep-ex2021★ 76 cited

Precise measurement of the $f_{s} / f_{d}$ ratio of fragmentation fractions and of $B_{s}^{0}$ decay branching fractions

LHCb collaboration, R. Aaij, C. Abellán Beteta +955

The ratio of the $B_{s}^{0}$ and $B^{0}$ fragmentation fractions, $f_{s} / f_{d}$ , in proton-proton collisions at the LHC, is obtained as a function of $B$ -meson transverse momentum and collis…

hep-ex2020★ 33 cited

Search for the doubly heavy $Ξ_{b c}^{0}$ baryon via decays to $D^{0} p K^{-}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +987

A search for the doubly heavy $Ξ_{b c}^{0}$ baryon using its decay to the $D^{0} p K^{-}$ final state is performed using proton-proton collision data at a centre-of-mass energy of…

hep-ex2014★ 71 cited

Search for the lepton flavour violating decay $τ^{-} \to μ^{-} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +702

A search for the lepton flavour violating decay $τ^{-} \to μ^{-} μ^{+} μ^{-}$ is performed with the LHCb experiment. The data sample corresponds to an integrated luminosity of $1.0\mathrm{\,f…

hep-ex2006★ 35 cited

Measurements of the Decays $B^0 \to \bar{D}^0\proton\antiproton$, $B^0 \to \bar{D}^{0}\proton\antiproton$, $B^0 \to D^{-}\proton\antiprotonπ^+$, and $B^0 \to D^{-}\proton\antiprotonπ^+$

The BABAR Collaboration, B. Aubert

We present measurements of branching fractions of $B^{0}$ decays to multi-body final states containing protons, based on 232 million $Υ (4 S) \to B B ˉ$ decays collected with the BaB…

hep-ex2000★ 27 cited

Searches for neutral Higgs bosons in e+e- collisions at centre-of-mass energies from 192 to 202GeV

ALEPH Collaboration

Searches for neutral Higgs bosons are performed with the 237 pb-1 of data collected in 1999 by the ALEPH detector at LEP, for centre-of-mass energies between 191.6 and 201.6 GeV. T…

hep-ex2000★ 65 cited

Search for charged Higgs bosons in e+e- collisions at energies up to sqrt(s) = 189GeV

ALEPH Collaboration

The data collected at centre-of-mass energies of 188.6 GeV by ALEPH at LEP, corresponding to an integrated luminosity of 176.2 pb-1, are analysed in a search for pair-produced char…

hep-ex2000★ 10 cited

Search for gamma gamma decays of a Higgs boson produced in association with a fermion pair in e+e- collisions at LEP

ALEPH Collaboration

A serach for gamma gamma decays of Higgs boson is performed in the data sample collected at LEP with the ALEPH detector between 1991 and 1999. This corresponds to an integrated lum…

hep-ex2000★ 23 cited

Measurement of W-pair production in e+e- collisions at 189GeV

ALEPH Collaboration

The production of W-pairs is analysed in a data sample collected by ALEPH at a mean centre-of-mass energy of 188.6 GeV, corresponding to an integrated luminosity of 174.2 pb^-1. Cr…

hep-ex1999★ 5 cited

Determination of the LEP centre-of-mass energy from Zgamma events

ALEPH Collaboration

Radiative returns to the Z resonance (Zgamma events) are used to determine the LEP2 centre-of-mass energy from the data collected with the ALEPH detector in 1997. The average centr…

hep-ex1999★ 17 cited

Measurement of W-pair production in e+e- collisions at 183 GeV

ALEPH Collaboration

The production of W+W- pairs is analysed in a data sample collected by ALEPH at a mean centre-of-mass energy of 182.7 GeV, corresponding to an integrated luminosity of 57 pb-1. Cro…

hep-ex1999★ 7 cited

Search for charged Higgs bosons in e+e- collisions at sqrt(s) = 181-184 GeV

ALEPH Collaboration, R. Barate et al

Data collected at centre-of-mass energies of 181-184 GeV by ALEPH at LEP corresponding to an integrated luminosity of 56.9 pb-1, are analysed in a search for pair-produced charged…

hep-ex1999★ 14 cited

Measurement of triple gauge WWgamma couplings at LEP2 using photonic events

ALEPH Collaboration, R. Barate

A study of events with photons and missing energy has been performed with the data sample obtained with the ALEPH detector at centre-of-mass energies from 161 to 184 GeV,correspond…

hep-ex1998★ 9 cited

Search for the Standard Model Higgs boson at the LEP2 collider near sqrt(S) = 183GeV

ALEPH Collaboration

During 1997 the ALEPH experiment at LEP gathered 57pb^-1 of data at centre-of- mass energies near 183 GeV. These data are used to look for possible signals from the production of t…

hep-ex1998★ 10 cited

The forward-backward asymmetry for charm quarks at the Z

ALEPH collaboration

The data set collected with the ALEPH detector from 1991 to 1995 at LEP has been analysed to measure the charm forward-backward asymmetry at the Z. Out of a total of 4.1 million ha…

hep-ex1997★ 24 cited

Updated measurement of the tau lepton lifetime

The ALEPH Collaboration

A new measurement of the mean lifetime of the tau lepton is presented. Three different analysis methods are applied to a sample of 90000 tau pairs, collected in 1993 and 1994 with…

hep-ex1997★ 21 cited

Searches for Supersymmetry in the photon(s) plus missing energy channels at $s$ = 161 GeV and 172 GeV

ALEPH Collaboration

Searches for supersymmetric particles in channels with one or more photons and missing energy have been performed with data collected by the ALEPH detector at LEP. The data consist…

hep-ex1997★ 35 cited

Search for pair-production of long-lived heavy charged particles in e+e- annihilation

ALEPH Collaboration

A search for pair-production of long-lived, heavy, singly-charged particles has been performed with data collected by the ALEPH detector at a centre-of-mass energy of 172 GeV. Data…

A search for rare B→Dμ+μ− decays

Impact of cross-section uncertainties on supernova neutrino spectral parameter fitting in the Deep Underground Neutrino Experiment

First observation and branching fraction measurement of the Λb0​→Ds−​p decay

Angular analysis of D0→π+π−μ+μ− and D0→K+K−μ+μ− decays and search for CP violation

Search for time-dependent CP violation in D0→K+K− and D0→π+π− decays

Angular analysis of B0→D∗−Ds∗+​ with Ds∗+​→Ds+​γ decays

Precise measurement of the fs​/fd​ ratio of fragmentation fractions and of Bs0​ decay branching fractions

Search for the doubly heavy Ξbc0​ baryon via decays to D0pK−

Search for the lepton flavour violating decay τ−→μ−μ+μ−

Measurements of the Decays $B^0 \to \bar{D}^0\proton\antiproton$, $B^0 \to \bar{D}^{*0}\proton\antiproton$, $B^0 \to D^{-}\proton\antiprotonπ^+$, and $B^0 \to D^{*-}\proton\antiprotonπ^+$

Searches for neutral Higgs bosons in e+e- collisions at centre-of-mass energies from 192 to 202GeV

Search for charged Higgs bosons in e+e- collisions at energies up to sqrt(s) = 189GeV

Search for gamma gamma decays of a Higgs boson produced in association with a fermion pair in e+e- collisions at LEP

Measurement of W-pair production in e+e- collisions at 189GeV

Determination of the LEP centre-of-mass energy from Zgamma events

Measurement of W-pair production in e+e- collisions at 183 GeV

Search for charged Higgs bosons in e+e- collisions at sqrt(s) = 181-184 GeV

Measurement of triple gauge WWgamma couplings at LEP2 using photonic events

Search for the Standard Model Higgs boson at the LEP2 collider near sqrt(S) = 183GeV

The forward-backward asymmetry for charm quarks at the Z

Updated measurement of the tau lepton lifetime

Searches for Supersymmetry in the photon(s) plus missing energy channels at s​ = 161 GeV and 172 GeV

Search for pair-production of long-lived heavy charged particles in e+e- annihilation

A search for rare $B \to D μ^{+} μ^{-}$ decays

First observation and branching fraction measurement of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay

Angular analysis of $D^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ and $D^{0} \to K^{+} K^{-} μ^{+} μ^{-}$ decays and search for $C P$ violation

Search for time-dependent $C P$ violation in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

Angular analysis of $B^{0} \to D^{-} D_{s}^{+}$ with $D_{s}^{*+} \to D_{s}^{+} γ$ decays

Precise measurement of the $f_{s} / f_{d}$ ratio of fragmentation fractions and of $B_{s}^{0}$ decay branching fractions

Search for the doubly heavy $Ξ_{b c}^{0}$ baryon via decays to $D^{0} p K^{-}$

Search for the lepton flavour violating decay $τ^{-} \to μ^{-} μ^{+} μ^{-}$

Measurements of the Decays $B^0 \to \bar{D}^0\proton\antiproton$, $B^0 \to \bar{D}^{0}\proton\antiproton$, $B^0 \to D^{-}\proton\antiprotonπ^+$, and $B^0 \to D^{-}\proton\antiprotonπ^+$

Searches for Supersymmetry in the photon(s) plus missing energy channels at $s$ = 161 GeV and 172 GeV