T. Mombacher

activity

20172025

most citedObservation of the doubly charmed baryon

Ξ_{cc}^{++}

523 citations · 1.6k across the 27 of their papers we have counts for

collaborators

29 papers

hep-ex2025

CODEX-b: Opening New Windows to the Long-Lived Particle Frontier at the LHC

Giulio Aielli, Juliette Alimena, Saul Balcarcel-Salazar +50

This document is written as a contribution to the European Strategy of Particle Physics (ESPP) update. We offer a detailed overview of current developments and future directions fo…

hep-ph2023★ 4 cited

Workshop summary -- Kaons@CERN 2023

G. Anzivino, S. Arguedas Cuendis, V. Bernard +60

Kaon physics is at a turning point -- while the rare-kaon experiments NA62 and KOTO are in full swing, the end of their lifetime is approaching and the future experimental landscap…

hep-ex2022

The Road Ahead for CODEX-b

Giulio Aielli, Juliette Alimena, James Beacham +36

In this Snowmass contribution we present a comprehensive status update on the progress and plans for the proposed CODEX-b detector, intended to search for long-lived particles beyo…

hep-ex2021

Dark matter searches at LHCb

Titus Mombächer

In the extensive efforts to understand the nature of Dark Matter and searches at colliders, the LHCb experiment has a unique sensitivity to low mass Dark Matter candidates. These p…

hep-ex2021★ 9 cited

Review of opportunities for new long-lived particle triggers in Run 3 of the Large Hadron Collider

Juliette Alimena, James Beacham, Freya Blekman +75

Long-lived particles (LLPs) are highly motivated signals of physics Beyond the Standard Model (BSM) with great discovery potential and unique experimental challenges. The LLP searc…

hep-ex2021

Rare decays and searches for exotic signatures at LHCb: purely leptonic decays

Titus Mombächer

A review of the experimental status of purely leptonic $B_{[s]}^{0} \to ℓ^{+} ℓ^{-}$ decays is given and the new analysis of $B_{[s]}^{0} \to μ^{+} μ^{-}$ observables with the LHCb experim…

hep-ex2019★ 18 cited

Measurement of psi(2S) production cross-sections in proton-proton collisions at 7 and 13 TeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +842

The cross-sections of $ψ (2 S)$ meson production in proton-proton collisions at $s = 13 TeV$ are measured with a data sample collected by the LHCb detector correspondin…

hep-ex2019★ 41 cited

Measurement of $B^{+}$ , $B^{0}$ and $Λ_{b}^{0}$ production in $p Pb$ collisions at $s_{NN} = 8.16 TeV$

LHCb Collaboration, R. Aaij, C. Abellán Beteta +842

The production of $B^{+}$ , $B^{0}$ and $Λ_{b}^{0}$ hadrons is studied in proton-lead collisions at a centre-of-mass energy per nucleon pair of $s_{NN} = 8.16 TeV$ record…

hep-ex2019★ 21 cited

Measurement of the $C P$ -violating phase $ϕ_{s}$ from $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays in 13 TeV $pp$ collisions

LHCb Collaboration, R. Aaij, C. Abellán Beteta +844

Decays of $B_{s}^{0}$ and $B_{s}^{0}$ mesons into $J / ψ π^{+} π^{-}$ final states are studied in a data sample corresponding to 1.9 fb $^{- 1}$ of integrated luminosity collect…

hep-ex2019★ 20 cited

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

LHCb Collaboration, R. Aaij, C. Abellán Beteta +843

The first untagged decay-time-integrated amplitude analysis of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ decays is performed using a sample corresponding to $3.0$ …

hep-ex2018★ 18 cited

Search for the rare decay $B^{+} \to μ^{+} μ^{-} μ^{+} ν_{μ}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +844

A search for the rare leptonic decay $B^{+} \to μ^{+} μ^{-} μ^{+} ν_{μ}$ is performed using proton-proton collision data corresponding to an integrated luminosity of $4.7$ fb$…

hep-ex2018★ 20 cited

Prompt $Λ_{c}^{+}$ production in $p Pb$ collisions at $s_{N N} = 5.02$ TeV

LHCb collaboration, R. Aaij, B. Adeva +832

The production of $Λ_{c}^{+}$ baryons produced directly at the interacting point is studied in proton-lead collisions collected with the LHCb detector at the LHC. The data sample corre…

hep-ex2018

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

LHCb collaboration, I. Bediaga, M. Cruz Torres +828

The LHCb Upgrade II will fully exploit the flavour-physics opportunities of the HL-LHC, and study additional physics topics that take advantage of the forward acceptance of the LHC…

hep-ex2018★ 64 cited

Angular moments of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$ at low hadronic recoil

LHCb collaboration, R. Aaij, B. Adeva +835

An analysis of the angular distribution of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$ is presented, using data collected with the LHCb detector between 2011 and 2016 and correspond…

hep-ex2018★ 8 cited

Measurement of the relative $B^{-} \to D^{0} / D^{* 0} / D^{** 0} μ^{-} ν_{μ}$ branching fractions using $B^{-}$ mesons from $B_{s 2}^{* 0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +834

The decay of the narrow resonance $B_{s 2}^{* 0} \to B^{-} K^{+}$ can be used to determine the $B^{-}$ momentum in partially reconstructed decays without any assumpti…

hep-ex2018★ 15 cited

Observation of $B_{s}^{0} \to D^{* 0} ϕ$ and search for $B^{0} \to D^{0} ϕ$ decays

LHCb collaboration, R. Aaij, B. Adeva +807

The first observation of the $B_{s}^{0} \to D^{* 0} ϕ$ decay is reported, with a significance of more than seven standard deviations, from an analysis of $pp$ collision data…

hep-ex2018★ 16 cited

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

LHCb collaboration, R. Aaij, B. Adeva +808

The first observation of the $B_{s}^{0} \to D^{0} K^{+} K^{-}$ decay is reported, together with the most precise branching fraction measurement of the mode $B^0 \to \overline{D}^0…

hep-ex2018★ 14 cited

Observation of the decay $Λ_{b}^{0} \to ψ (2 S) p π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +834

The Cabibbo-suppressed decay $Λ_{b}^{0} \to ψ (2 S) p π^{-}$ is observed for the first time using a data sample collected by the LHCb experiment in proton-proton collisions correspondi…

hep-ex2018★ 9 cited

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

LHCb collaboration, R. Aaij, B. Adeva +821

A measurement of $Z \to τ^{+} τ^{-}$ production cross-section is presented using data, corresponding to an integrated luminosity of 2 fb $^{- 1}$ , from $pp$ collisions at $\sqrt{s}=…

hep-ex2018★ 119 cited

Observation of a new $Ξ_{b}^{-}$ resonance

R. Aaij, B. Adeva, M. Adinolfi +806

From samples of $pp$ collision data collected by the LHCb experiment at $s = 7$ , $8$ and $13$ TeV corresponding to integrated luminosities of 1.0, 2.0 and 1.5 fb $^{- 1}$ , respe…

hep-ex2018★ 55 cited

Measurement of $Υ$ production in $pp$ collisions at $s$ = 13 TeV

LHCb collaboration, R. Aaij, B. Adeva +782

The production cross-sections of $Υ (1 S)$ , $Υ (2 S)$ and $Υ (3 S)$ mesons in proton-proton collisions at $s$ = 13 TeV are measured with a data sample corresponding to an integrate…

hep-ex2017★ 19 cited

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

LHCb collaboration, R. Aaij, B. Adeva +794

The time-integrated Dalitz plot of the three-body hadronic charmless decay $B^{0} \to K_{S}^{0} π^{+} π^{-}$ is studied using a $pp$ collision data…

hep-ex2017★ 15 cited

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

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

A search for decays of $B_{c}^{+}$ mesons to two charm mesons is performed for the first time using data corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ , collected by the LH…

hep-ex2017★ 206 cited

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

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

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, using $A^{\prime}\…

CODEX-b: Opening New Windows to the Long-Lived Particle Frontier at the LHC

Workshop summary -- Kaons@CERN 2023

The Road Ahead for CODEX-b

Dark matter searches at LHCb

Review of opportunities for new long-lived particle triggers in Run 3 of the Large Hadron Collider

Rare decays and searches for exotic signatures at LHCb: purely leptonic decays

Measurement of psi(2S) production cross-sections in proton-proton collisions at 7 and 13 TeV

Measurement of B+, B0 and Λb0​ production in pPb collisions at sNN​​=8.16TeV

Measurement of the CP-violating phase ϕs​ from Bs0​→J/ψπ+π− decays in 13 TeV pp collisions

Amplitude analysis of Bs0​→KS0​K±π∓ decays

Search for the rare decay B+→μ+μ−μ+νμ​

Prompt Λc+​ production in pPb collisions at sNN​​=5.02 TeV

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

Angular moments of the decay Λb0​→Λμ+μ− at low hadronic recoil

Measurement of the relative B−→D0/D∗0/D∗∗0μ−νμ​ branching fractions using B− mesons from Bs2∗0​ decays

Observation of Bs0​→D∗0ϕ and search for B0→D0ϕ decays

Observation of the decay Bs0​→D0K+K−

Observation of the decay Λb0​→ψ(2S)pπ−

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

Observation of a new Ξb−​ resonance

Measurement of Υ production in pp collisions at s​= 13 TeV

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

Search for Bc+​ decays to two charm mesons

Search for dark photons produced in 13 TeV pp collisions