P. Owen

activity

20112024

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 14.8k across the 179 of their papers we have counts for

collaborators

184 papers

hep-ex2024★ 4 cited

Reconstruction of 400 GeV/c proton interactions with the SHiP-charm project

SHiP Collaboration

The SHiP-charm project was proposed to measure the associated charm production induced by 400 GeV/c protons in a thick target, including the contribution from cascade production. A…

physics.ins-det2021

The SHiP experiment at the proposed CERN SPS Beam Dump Facility

SHIP Collaboration

The Search for Hidden Particles (SHiP) Collaboration has proposed a general-purpose experimental facility operating in beam-dump mode at the CERN SPS accelerator to search for ligh…

physics.ins-det2020★ 117 cited

Technical design of the phase I Mu3e experiment

K. Arndt, H. Augustin, P. Baesso +102

The Mu3e experiment aims to find or exclude the lepton flavour violating decay $μ \to eee$ at branching fractions above $1 0^{- 16}$ . A first phase of the experiment using an…

hep-ex2020★ 28 cited

First branching fraction measurement of the suppressed decay $Ξ_{c}^{0} \to π^{-} Λ_{c}^{+}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +963

The $Ξ_{c}^{0}$ baryon is unstable and usually decays into charmless final states by the $c \to s u d$ transition. It can, however, also disintegrate into a $π^{-}$ meson and a…

hep-ph2020★ 79 cited

Reinterpretation of LHC Results for New Physics: Status and Recommendations after Run 2

Waleed Abdallah, Shehu AbdusSalam, Azar Ahmadov +139

We report on the status of efforts to improve the reinterpretation of searches and measurements at the LHC in terms of models for new physics, in the context of the LHC Reinterpret…

physics.ins-det2020★ 18 cited

SND@LHC

SHiP Collaboration, C. Ahdida, A. Akmete +341

We propose to build and operate a detector that, for the first time, will measure the process $pp \to ν X$ at the LHC and search for feebly interacting particles (FIPs) in an unexplor…

hep-ph2020★ 22 cited

Hunting for $B^{+} \to K^{+} τ^{+} τ^{-}$ imprints on the $B^{+} \to K^{+} μ^{+} μ^{-}$ dimuon spectrum

Claudia Cornella, Gino Isidori, Matthias König +3

We investigate the possibility of indirectly constraining the $B^{+} \to K^{+} τ^{+} τ^{-}$ decay rate using precise data on the $B^{+} \to K^{+} μ^{+} μ^{-}$ dimuon spectrum. To this end, we es…

physics.ins-det2020★ 3 cited

Measurement of the muon flux for the SHiP experiment

SHiP Collaboration

The SHiP experiment will search for very weakly interacting particles beyond the Standard Model which are produced in a 400 \GeV/ $c$ proton beam dump at the CERN SPS. About $10^{11…

hep-ex2019★ 32 cited

Search for $C P$ violation and observation of $P$ violation in $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +902

A search for $C P$ violation in the $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decay is performed using LHCb data corresponding to an integrated luminosity of 6.6 $f b^{- 1}$ collected in $pp$ coll…

hep-ex2019★ 64 cited

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

LHCb collaboration, R. Aaij, C. Abelán Beteta +905

A search for the doubly charmed baryon $Ξ_{cc}^{+}$ is performed through its decay to the $Λ_{c}^{+} K^{-} π^{+}$ final state, using proton-proton collision data collected with the LHCb de…

hep-ex2019★ 3 cited

Summary of the 2018 CKM working group on semileptonic and leptonic $b$ -hadron decays

Christopher Bouchard, Lu Cao, Patrick Owen

A summary of WG II of the CKM 2018 conference on semileptonic and leptonic $b$ -hadron decays is presented. This includes discussions on the CKM matrix element magitudes $∣ V_{u b} ∣$ …

hep-ph2018

Sensitivity of the SHiP experiment to Heavy Neutral Leptons

SHiP Collaboration

Heavy Neutral Leptons (HNLs) are hypothetical particles predicted by many extensions of the Standard Model. These particles can, among other things, explain the origin of neutrino…

hep-ex2018★ 21 cited

Measurement of the CKM angle $γ$ using $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ , $K_{S}^{0} K^{+} K^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +819

A binned Dalitz plot analysis of $B^{\pm} \to D K^{\pm}$ decays, with $D \to K_{S}^{0} π^{+} π^{-}$ and $D \to K_{S}^{0} K^{+} K^{-}$ , is used to perform a measurement of the CP-violating obse…

hep-ph2018★ 23 cited

Testing lepton flavour universality in semileptonic $Λ_{b} \to Λ_{c}^{*}$ decays

Philipp Böer, Marzia Bordone, Elena Graverini +3

Lepton Flavour Universality tests with semileptonic $Λ_{b} \to Λ_{c}^{*}$ decays are important to corroborate the present anomalies in the similar ratios $R_{D^{(*)}}$ , and can provide com…

hep-ex2017★ 39 cited

Studies of the resonance structure in $D^{0} \to K^{\mp} π^{\pm} π^{\pm} π^{\mp}$ decays

LHCb collaboration, R. Aaij, B. Adeva +791

Amplitude models are constructed to describe the resonance structure of $D^{0} \to K^{-} π^{+} π^{+} π^{-}$ and $D^{0} \to K^{+} π^{-} π^{-} π^{+}$ decays using $pp$ collision data co…

hep-ex2017★ 45 cited

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

LHCb collaboration, R. Aaij, B. Adeva +796

The production of $B^{\pm}$ mesons is studied in $pp$ collisions at centre-of-mass energies of 7 and 13 TeV, using $B^{\pm} \to J / ψ K^{\pm}$ decays and data samples correspon…

hep-ph2017★ 58 cited

An empirical model of the long-distance contributions to $B ˉ^{0} \to K ˉ^{* 0} μ^{+} μ^{-}$ transitions

Thomas Blake, Ulrik Egede, Patrick Owen +2

A method for analysing the hadronic resonance contributions in $B ˉ^{0} \to K ˉ^{* 0} μ^{+} μ^{-}$ decays is presented. This method uses an empirical model that relies…

hep-ex2017★ 11 cited

Updated branching fraction measurements of $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{' -}$ decays

LHCb collaboration, R. Aaij, B. Adeva +776

The charmless three-body decays $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{' -}$ (where $h^{(')} = π, K$ ) are analysed using a sample of $pp$ collision dat…

hep-ex2017★ 29 cited

Improved limit on the branching fraction of the rare decay $K_{S}^{0} \to μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +767

A search for the decay $K_{S}^{0} \to μ^{+} μ^{-}$ is performed, based on a data sample of proton-proton collisions corresponding to an integrated luminosity of 3 fb$^{-1…

hep-ex2017★ 59 cited

Updated search for long-lived particles decaying to jet pairs

LHCb collaboration, R. Aaij, B. Adeva +766

A search is presented for long-lived particles with a mass between 25 and 50 GeV/ $c^{2}$ and a lifetime between 2 and 500 ps, using proton-proton collision data corresponding to an i…

hep-ex2017★ 42 cited

Observation of the decays $Λ_{b}^{0} \to χ_{c 1} p K^{-}$ and $Λ_{b}^{0} \to χ_{c 2} p K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +776

The first observation of the decays $Λ_{b}^{0} \to χ_{c 1} p K^{-}$ and $Λ_{b}^{0} \to χ_{c 2} p K^{-}$ is reported using a data sample corresponding to an integrated luminosity of $3.0$ fb$^{-1…

hep-ex2017★ 40 cited

Measurement of $B^{0}$ , $B_{s}^{0}$ , $B^{+}$ and $Λ_{b}^{0}$ production asymmetries in 7 and 8 TeV proton-proton collisions

LHCb collaboration, R. Aaij, B. Adeva +763

The $B^{0}$ , $B_{s}^{0}$ , $B^{+}$ and $Λ_{b}^{0}$ hadron production asymmetries are measured using a data sample corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ , collected by the LH…

hep-ex2017★ 304 cited

Observation of five new narrow $Ω_{c}^{0}$ states decaying to $Ξ_{c}^{+} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +772

The $Ξ_{c}^{+} K^{-}$ mass spectrum is studied with a sample of $pp$ collision data corresponding to an integrated luminosity of 3.3 fb $^{- 1}$ , collected by the LHCb experiment. The $Ξ_c…

physics.ins-det2017★ 38 cited

The active muon shield in the SHiP experiment

SHiP collaboration, A. Akmete, A. Alexandrov +229

The SHiP experiment is designed to search for very weakly interacting particles beyond the Standard Model which are produced in a 400 GeV/c proton beam dump at the CERN SPS. An ess…

Reconstruction of 400 GeV/c proton interactions with the SHiP-charm project

The SHiP experiment at the proposed CERN SPS Beam Dump Facility

Technical design of the phase I Mu3e experiment

First branching fraction measurement of the suppressed decay Ξc0​→π−Λc+​

Reinterpretation of LHC Results for New Physics: Status and Recommendations after Run 2

SND@LHC

Hunting for B+→K+τ+τ− imprints on the B+→K+μ+μ− dimuon spectrum

Measurement of the muon flux for the SHiP experiment

Search for CP violation and observation of P violation in Λb0​→pπ−π+π− decays

Search for the doubly charmed baryon Ξcc+​

Summary of the 2018 CKM working group on semileptonic and leptonic b-hadron decays

Sensitivity of the SHiP experiment to Heavy Neutral Leptons

Measurement of the CKM angle γ using B±→DK± with D→KS0​π+π−, KS0​K+K− decays

Testing lepton flavour universality in semileptonic Λb​→Λc∗​ decays

Studies of the resonance structure in D0→K∓π±π±π∓ decays

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

An empirical model of the long-distance contributions to Bˉ0→Kˉ∗0μ+μ− transitions

Updated branching fraction measurements of B(s)0​→KS0​h+h′− decays

Improved limit on the branching fraction of the rare decay KS0​→μ+μ−

Updated search for long-lived particles decaying to jet pairs

Observation of the decays Λb0​→χc1​pK− and Λb0​→χc2​pK−

Measurement of B0, Bs0​, B+ and Λb0​ production asymmetries in 7 and 8 TeV proton-proton collisions

Observation of five new narrow Ωc0​ states decaying to Ξc+​K−

The active muon shield in the SHiP experiment

First branching fraction measurement of the suppressed decay $Ξ_{c}^{0} \to π^{-} Λ_{c}^{+}$

Hunting for $B^{+} \to K^{+} τ^{+} τ^{-}$ imprints on the $B^{+} \to K^{+} μ^{+} μ^{-}$ dimuon spectrum

Search for $C P$ violation and observation of $P$ violation in $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decays

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

Summary of the 2018 CKM working group on semileptonic and leptonic $b$ -hadron decays

Measurement of the CKM angle $γ$ using $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ , $K_{S}^{0} K^{+} K^{-}$ decays

Testing lepton flavour universality in semileptonic $Λ_{b} \to Λ_{c}^{*}$ decays

Studies of the resonance structure in $D^{0} \to K^{\mp} π^{\pm} π^{\pm} π^{\mp}$ decays

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

An empirical model of the long-distance contributions to $B ˉ^{0} \to K ˉ^{* 0} μ^{+} μ^{-}$ transitions

Updated branching fraction measurements of $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{' -}$ decays

Improved limit on the branching fraction of the rare decay $K_{S}^{0} \to μ^{+} μ^{-}$

Observation of the decays $Λ_{b}^{0} \to χ_{c 1} p K^{-}$ and $Λ_{b}^{0} \to χ_{c 2} p K^{-}$

Measurement of $B^{0}$ , $B_{s}^{0}$ , $B^{+}$ and $Λ_{b}^{0}$ production asymmetries in 7 and 8 TeV proton-proton collisions

Observation of five new narrow $Ω_{c}^{0}$ states decaying to $Ξ_{c}^{+} K^{-}$