activity
20042026
most citedPerformance of the LHCb Vertex Locator

377 citations · 1.3k across the 42 of their papers we have counts for

collaborators

43 papers

hep-ex2026

Leakage current evolution in LHCb VELO sensors during Run 1-2 LHC data taking period

M. Pycior, T. Szumlak, A. Oblakowska-Mucha +33

Silicon detectors operating in the harsh mixed-hadron radiation environment of modern high-energy physics experiments suffer progressive bulk damage, manifesting macroscopically as…

nucl-ex2026

Experimental determination of the Dalitz plot for positronium decay using the J-PET detection system

Magdalena Skurzok, Steven D. Bass, Kamila Kasperska +37

We present the first measurements of the Dalitz plot for ortho-positronium annihilation to three photons. Our measurements, accurate to about 3% statistical and 2-3% systematic unc…

physics.med-ph2026

First-in-human quantum entanglement imaging

Pawel Moskal, Deepak Kumar, Sushil Sharma +37

Annihilation photons are quantum-entangled in polarization, a phenomenon that has not been exploited in medical diagnostics so far. We present the first in vivo imaging of the degr…

physics.med-ph2026★ 1 cited

First ex-vivo positronium imaging of tissues with modular J-PET scanner using Sc radionuclide

Karol Kubat, Manish Das, Sushil Sharma +41

This study presents the first ex-vivo positronium imaging of human tissues using the modular J-PET scanner with the Sc radionuclide. The Sc isotope was produced via t…

physics.med-ph2026

Feasibility study of the positronium lifetime imaging with the Biograph Vision Quadra and J-PET tomographs

Szymon Parzych, Szymon Niedźwiecki, Ermias Yitayew Beyene +39

Background: After its first ex-vivo and in-vivo demonstration, Positronium Lifetime Imaging (PLI) has received considerable interest as a potential new diagnostic biomarker. High s…

physics.med-ph2025★ 2 cited

First Positronium Lifetime Imaging using Mn and Co with a plastic-based PET scanner

Manish Das, Sushil Sharma, Ermias Yitayew Beyene +45

Positronium Lifetime Imaging (PLI) extends positron emission tomography by using the lifetime of positronium atoms as a probe of tissue molecular architecture. In this work, we rep…

nucl-ex2025

Studies of CPT symmetry in positronium decays with 192 plastic strip J-PET detector

N. Chug, S. D. Bass, E. Y. Beyene +40

A direct test of the CPT symmetry is performed for the electromagnetic decays of ortho-positronium using the J-PET tomograph. We present the precise measurement of the CPT-sensitiv…

physics.med-ph2025★ 6 cited

First positronium imaging using Sc with the J-PET scanner: a case study on the NEMA-Image Quality phantom

Manish Das, Sushil Sharma, Aleksander Bilewicz +41

Positronium Lifetime Imaging (PLI), an emerging extension of conventional positron emission tomography (PET) imaging, offers a novel window for probing the submolecular properties…

hep-ex2025

Polish national input to the 2026 update of the European Strategy for Particle Physics

K. Adamczyk, B. Badełek, T. Banaszkiewicz +59

The Polish high energy physics (HEP) community fully recognizes the urgent need to host at CERN a flagship project implementing a broad, long-term, and comprehensive vision of part…

physics.ins-det2024

The LHCb VELO Upgrade Module Construction

K. Akiba, M. Alexander, C. Bertella +84

The LHCb detector has undergone a major upgrade for LHC Run 3. This Upgrade I detector facilitates operation at higher luminosity and utilises full-detector information at the LHC…

physics.ins-det2022

Measurement of thermal properties of the LHCb VELO detector using track-based software alignment

The LHCb VELO group

The thermal properties of the LHCb Vertex Locator (VELO) are studied using the real-time detector alignment procedure. The variation of the position and orientation of the detector…

physics.ins-det2022★ 2 cited

Spatial resolution and efficiency of prototype sensors for the LHCb VELO Upgrade

E. Buchanan, K. Akiba, M. van Beuzekom +15

A comprehensive study of the spatial resolution and detection efficiency of sensor prototypes developed for the LHCb VELO upgrade is presented. Data samples were collected at the C…

physics.ins-det2021★ 20 cited

A Comparison of CPU and GPU implementations for the LHCb Experiment Run 3 Trigger

R. Aaij, M. Adinolfi, S. Aiola +157

The LHCb experiment at CERN is undergoing an upgrade in preparation for the Run 3 data taking period of the LHC. As part of this upgrade the trigger is moving to a fully software i…

physics.ins-det2020★ 4 cited

Charge collection properties of prototype sensors for the LHCb VELO upgrade

R. Geertsema, K. Akiba, M. van Beuzekom +20

An extensive sensor testing campaign is presented, dedicated to measuring the charge collection properties of prototype candidates for the Vertex Locator (VELO) detector for the up…

hep-ex2020★ 28 cited

First branching fraction measurement of the suppressed decay

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

The baryon is unstable and usually decays into charmless final states by the transition. It can, however, also disintegrate into a meson and a…

physics.ins-det2020★ 4 cited

The Upgrade I of LHCb VELO -- towards an intelligent monitoring platform

P. Kopciewicz, T. Szumlak, M. Majewski +63

The Large Hadron Collider beauty (LHCb) detector is designed to detect decays of b- and c- hadrons for the study of CP violation and rare decays. At the end of the LHC Run 2, many…

hep-ex2020★ 53 cited

Study of the and states in decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +956

The decays are studied using a data set corresponding to an integrated luminosity of 9fb collected with the LHCb detector in proton-proton co…

hep-ex2020

Comparison of general-purpose events generators for particle fluence simulation in LHC environment

Agnieszka Oblakowska-Mucha, Tomasz Szumlak

At the LHC era, the detector systems are operating at the harsh hadronic environment with the unprecedentedly high particle flux. Position sensitive silicon devices are usually pos…

hep-ex2019★ 32 cited

Search for violation and observation of violation in decays

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

A search for violation in the decay is performed using LHCb data corresponding to an integrated luminosity of 6.6 collected in coll…

hep-ex2018★ 76 cited

Observation of two resonances in the systems and precise measurement of and properties

LHCb collaboration, R. Aaij, C. Abellán Beteta +837

The first observation of two structures consistent with resonances in the final states and is reported using samples of collision data collected by the…

hep-ex2018★ 40 cited

Study of production in Pb collisions at TeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +840

The production of mesons () in Pb and Pb collisions at a centre-of-mass energy per nucleon pair TeV is measured by the LHCb experiment,…

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…

physics.ins-det2018★ 27 cited

Mapping the material in the LHCb vertex locator using secondary hadronic interactions

M. Alexander, W. Barter, A. Bay +63

Precise knowledge of the location of the material in the LHCb vertex locator (VELO) is essential to reducing background in searches for long-lived exotic particles, and in identify…

hep-ex2017★ 39 cited

Studies of the resonance structure in decays

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

Amplitude models are constructed to describe the resonance structure of and decays using collision data co…