Examinando por Autor "Aad G."
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Ítem Alignment of the ATLAS Inner Detector in Run 2(Springer Science and Business Media Deutschland GmbH, 2020-12) Aad G.; Abbott B.; Abbott D.C.; Abud A.A.; Abeling K.; Abhayasinghe D.K.; Abidi S.H.; AbouZeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.; Abulaiti Y.The performance of the ATLAS Inner Detector alignment has been studied using pp collision data at s=13TeV collected by the ATLAS experiment during Run 2 (2015–2018) of the Large Hadron Collider (LHC). The goal of the detector alignment is to determine the detector geometry as accurately as possible and correct for time-dependent movements. The Inner Detector alignment is based on the minimization of track-hit residuals in a sequence of hierarchical levels, from global mechanical assembly structures to local sensors. Subsequent levels have increasing numbers of degrees of freedom; in total there are almost 750,000. The alignment determines detector geometry on both short and long timescales, where short timescales describe movements within an LHC fill. The performance and possible track parameter biases originating from systematic detector deformations are evaluated. Momentum biases are studied using resonances decaying to muons or to electrons. The residual sagitta bias and momentum scale bias after alignment are reduced to less than ∼0.1TeV-1 and 0.9 × 10 - 3, respectively. Impact parameter biases are also evaluated using tracks within jets. © 2020, The Author(s).Ítem AtlFast3: The Next Generation of Fast Simulation in ATLAS(Springer Nature, 2022-12) Aad G.; Abbott B.; Abbott D.C.; Abud, A. Abed; Abeling K.; Abhayasinghe D.K.; Abidi S.H.; Aboulhorma A.; Abramowicz H.; Abreu H.; Abulaiti Y.; Hoffman, A. C.; Abuslemegj; Acharya B.S.; Achkar B.; Adam L.; Bourdarios, C. Adam; Adamczyk L.; Adamek L.; Addepalli S.V.; Adelman J.; Adiguzel A.; Adorni S.; Adye T.; Affolder A.A.; Afik Y.; Agapopoulou C.; Agaras M.N.; Agarwala J.; Aggarwal A.; Agheorghiesei C.; Aguilar-Saavedra J.A.; Ahmad A.; Ahmadov F.; Ahmed W.S.; Ai X.; Aielli G.; Aizenberg I.; Akatsuka S.; Akbiyik M.; Åkesson T.P.A.; Akimov A.V.; Khoury, K. Al; Alberghi G.L.; Albert J.; Albicocco P.; Verzini, M. J. Alconada; Alderweireldt S.; Aleksa M.; Aleksandrov I.N.; Alexa C.; Alexopoulos T.; Alfonsi A.; Alfonsi F.; Alhroob M.; Ali B.; Ali S.; Aliev M.; Alimonti G.; Allaire C.; Allbrooke B.M.M.The ATLAS experiment at the Large Hadron Collider has a broad physics programme ranging from precision measurements to direct searches for new particles and new interactions, requiring ever larger and ever more accurate datasets of simulated Monte Carlo events. Detector simulation with Geant4 is accurate but requires significant CPU resources. Over the past decade, ATLAS has developed and utilized tools that replace the most CPU-intensive component of the simulation—the calorimeter shower simulation—with faster simulation methods. Here, AtlFast3, the next generation of high-accuracy fast simulation in ATLAS, is introduced. AtlFast3 combines parameterized approaches with machine-learning techniques and is deployed to meet current and future computing challenges, and simulation needs of the ATLAS experiment. With highly accurate performance and significantly improved modelling of substructure within jets, AtlFast3 can simulate large numbers of events for a wide range of physics processes. © 2022, Springer Nature Switzerland AG.Ítem Calibration of the light-flavour jet mistagging efficiency of the b-tagging algorithms with Z+jets events using 139 fb - 1 of ATLAS proton–proton collision data at √s=13 TeV(Institute for Ionics, 2023-08) Aad G.; Abbott, B.; Abbott, D.C; Abeling, K.; Abidi, S.H.; Aboulhorma, A.; Abramowicz, H.; Abreu, H.; Abulaiti, Y.; Hoffman, A. C. Abusleme; Acharya, B.S.; Bourdarios, C. AdamThe identification of b-jets, referred to as b-tagging, is an important part of many physics analyses in the ATLAS experiment at the Large Hadron Collider and an accurate calibration of its performance is essential for high-quality physics results. This publication describes the calibration of the light-flavour jet mistagging efficiency in a data sample of proton–proton collision events at s=13 TeV corresponding to an integrated luminosity of 139 fb - 1 . The calibration is performed in a sample of Z bosons produced in association with jets. Due to the low mistagging efficiency for light-flavour jets, a method which uses modified versions of the b-tagging algorithms referred to as flip taggers is used in this work. A fit to the jet-flavour-sensitive secondary-vertex mass is performed to extract a scale factor from data, to correct the light-flavour jet mistagging efficiency in Monte Carlo simulations, while simultaneously correcting the b-jet efficiency. With this procedure, uncertainties coming from the modeling of jets from heavy-flavour hadrons are considerably lower than in previous calibrations of the mistagging scale factors, where they were dominant. The scale factors obtained in this calibration are consistent with unity within uncertainties.Ítem Determination of jet calibration and energy resolution in proton–proton collisions at √s=8TeV using the ATLAS detector(Springer Science and Business Media Deutschland GmbH, 2020-12) Aaboud M.; Aad G.; Abbott B.; Abdinov O.; Abeloos B.; Abidi S.H; AbouZeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.; Abulaiti Y.; Acharya B.SThe jet energy scale, jet energy resolution, and their systematic uncertainties are measured for jets reconstructed with the ATLAS detector in 2012 using proton–proton data produced at a centre-of-mass energy of 8 TeV with an integrated luminosity of 20fb-1. Jets are reconstructed from clusters of energy depositions in the ATLAS calorimeters using the anti-kt algorithm. A jet calibration scheme is applied in multiple steps, each addressing specific effects including mitigation of contributions from additional proton–proton collisions, loss of energy in dead material, calorimeter non-compensation, angular biases and other global jet effects. The final calibration step uses several in situ techniques and corrects for residual effects not captured by the initial calibration. These analyses measure both the jet energy scale and resolution by exploiting the transverse momentum balance in γ + jet, Z + jet, dijet, and multijet events. A statistical combination of these measurements is performed. In the central detector region, the derived calibration has a precision better than 1% for jets with transverse momentum 150GeVenergy resolution is (8.4 ± 0.6) % for pT=100GeV and (23 ± 2) % for pT=20GeV. The calibration scheme for jets with radius parameter R= 1.0 , for which jets receive a dedicated calibration of the jet mass, is also discussed. © 2020, The Author(s).Ítem Emulating the impact of additional proton–proton interactions in the ATLAS simulation by presampling sets of inelastic Monte Carlo events(Springer Nature, 2022-12) Aad G.; Abbott B.; Abbott D.C.; Abud, A. Abed; Abeling K.; Abhayasinghe D.K.; Abidi S.H.; AbouZeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.; Abulaiti Y.; ;Acharya B.S.; Achkar B.; Adam L.; Bourdarios, C. Adam; Adamczyk L.; Adamek L; Adelman J.; Adiguzel A.; Adorni S.; Adye T.; Affolder A.A.; Afik Y.; Agapopoulou C.; Agaras M.N.; Aggarwal A.; Agheorghiesei C.; Aguilar-Saavedra J.A.; Ahmad A.; Ahmadov F.; Ahmed W.S.; Ai X.; Aielli G.; Akatsuka S.; Akbiyik M.; Åkesson T.P.A.; Akilli E.; Akimov A.V.; Khoury, K. Al; ;Alberghi G.L.; Albert J.; Verzini, M. J. Alconada; Alderweireldt S.; Aleksa M.; Aleksandrov I.N.; Alexa C.; Alexopoulos T.; Alfonsi A.; Alfonsi F.; Alhroob M.; Ali B.; Ali S.; Aliev M.; Alimonti G.; Allaire C.; Allbrooke B.M.M.; Allport P.P.; Aloisio A.; Hoffman, A.C AbuslemeThe accurate simulation of additional interactions at the ATLAS experiment for the analysis of proton–proton collisions delivered by the Large Hadron Collider presents a significant challenge to the computing resources. During the LHC Run 2 (2015–2018), there were up to 70 inelastic interactions per bunch crossing, which need to be accounted for in Monte Carlo (MC) production. In this document, a new method to account for these additional interactions in the simulation chain is described. Instead of sampling the inelastic interactions and adding their energy deposits to a hard-scatter interaction one-by-one, the inelastic interactions are presampled, independent of the hard scatter, and stored as combined events. Consequently, for each hard-scatter interaction, only one such presampled event needs to be added as part of the simulation chain. For the Run 2 simulation chain, with an average of 35 interactions per bunch crossing, this new method provides a substantial reduction in MC production CPU needs of around 20%, while reproducing the properties of the reconstructed quantities relevant for physics analyses with good accuracy. © 2022, The Author(s).Ítem Erratum to: Measurement of light-by-light scattering and search for axion-like particles with 2.2 nb −1 of Pb+Pb data with the ATLAS detector (Journal of High Energy Physics, (2021), 2021, 3, (243), 10.1007/JHEP03(2021)243)(Springer Science and Business Media Deutschland GmbH, 2021-11) Aad G.; Abbott B; Abbott D.C.; Abed Abud A; Abeling K; Abhayasinghe D.K.; Abidi S.H; AbouZeid O.S.; Abraham N.L; Abramowicz H.; Abreu H.; Abulaiti YOne correction is noted for the paper, which does not affect the results reported. The right panel of figure 9 is corrected as it contained the “internal” label, giving the misleading impression on the credibility of the figure. © 2021, The Author(s).Ítem Measurement of the tt¯ production cross-section in the lepton+jets channel at s=13 TeV with the ATLAS experiment(Elsevier B.V., 2020-11) Aad G.; Abbott B.; Abbott D.C.; Abed Abud A.; Abeling K.; Abhayasinghe D.K.; Abidi S.H.; AbouZeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.; Abulaiti Y.The top anti-top quark production cross-section is measured in the lepton+jets channel using proton–proton collision data at a centre-of-mass energy of s=13 TeV collected with the ATLAS detector at the LHC. The dataset corresponds to an integrated luminosity of 139 fb−1. Events with exactly one charged lepton and four or more jets in the final state, with at least one jet containing b-hadrons, are used to determine the tt¯ production cross-section through a profile-likelihood fit. The inclusive cross-section is measured to be σinc=830±0.4(stat.)±36(syst.)±14(lumi.)pb with a relative uncertainty of 4.6%. The result is consistent with theoretical calculations at next-to-next-to-leading order in perturbative QCD. The fiducial tt¯ cross-section within the experimental acceptance is also measured. © 2020 The Author(s)Ítem Measurements of top-quark pair spin correlations in the eμ channel at √s=13 TeV using pp collisions in the ATLAS detector(Springer, 2020-08) Aaboud M.; Aad G.; Abbott B.; Abbott D.C.; Abdinov O.; Abud, A. Abed; Abhayasinghe D.K.; Abidi S.H.; AbouZeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.A measurement of observables sensitive to spin correlations in tt¯ production is presented, using 36.1 fb - 1 of pp collision data at s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider. Differential cross-sections are measured in events with exactly one electron and one muon with opposite-sign electric charge as a function of the azimuthal opening angle and the absolute difference in pseudorapidity between the electron and muon candidates in the laboratory frame. The azimuthal opening angle is also measured as a function of the invariant mass of the tt¯ system. The measured differential cross-sections are compared to predictions by several NLO Monte Carlo generators and fixed-order calculations. The observed degree of spin correlation is somewhat higher than predicted by the generators used. The data are consistent with the prediction of one of the fixed-order calculations at NLO, but agree less well with higher-order predictions. Using these leptonic observables, a search is performed for pair production of supersymmetric top squarks decaying into Standard Model top quarks and light neutralinos. Top squark masses between 170 and 230 GeV are largely excluded at the 95% confidence level for kinematically allowed values of the neutralino mass. © 2020, CERN for the benefit of the ATLAS Collaboration.Ítem Observation and Measurement of Forward Proton Scattering in Association with Lepton Pairs Produced via the Photon Fusion Mechanism at ATLAS(American Physical Society, 2020-12) Aad G.; Abbott B.; Abbott D.C.; Abed Abud A.; Abeling K.; Abhayasinghe D.K.; Abidi S.H.; Abouzeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.; Abulaiti Y.; Acharya B.S.The observation of forward proton scattering in association with lepton pairs (e+e-+p or μ+μ-+p) produced via photon fusion is presented. The scattered proton is detected by the ATLAS Forward Proton spectrometer, while the leptons are reconstructed by the central ATLAS detector. Proton-proton collision data recorded in 2017 at a center-of-mass energy of s=13 TeV are analyzed, corresponding to an integrated luminosity of 14.6 fb-1. A total of 57 (123) candidates in the ee+p (μμ+p) final state are selected, allowing the background-only hypothesis to be rejected with a significance exceeding 5 standard deviations in each channel. Proton-tagging techniques are introduced for cross-section measurements in the fiducial detector acceptance, corresponding to σee+p=11.0±2.6(stat)±1.2(syst)±0.3(lumi) and σμμ+p=7.2±1.6(stat)±0.9(syst)±0.2(lumi) fb in the dielectron and dimuon channel, respectively. © 2020 CERN.Ítem Reconstruction and identification of boosted di-τ systems in a search for Higgs boson pairs using 13 TeV proton-proton collision data in ATLAS(Springer Science and Business Media Deutschland GmbH, 2020-11) Aad G.; Abbott B.; Abbott D.C.; Abed Abud A.; Abeling K.; Abhayasinghe D.K.; Abidi S.H.; AbouZeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.; Abulaiti Y. [et al]In this paper, a new technique for reconstructing and identifying hadronically decaying τ+τ− pairs with a large Lorentz boost, referred to as the di-τ tagger, is developed and used for the first time in the ATLAS experiment at the Large Hadron Collider. A benchmark di-τ tagging selection is employed in the search for resonant Higgs boson pair production, where one Higgs boson decays into a boosted bb¯ pair and the other into a boosted τ+τ− pair, with two hadronically decaying τ-leptons in the final state. Using 139 fb−1 of proton-proton collision data recorded at a centre-of-mass energy of 13 TeV, the efficiency of the di-τ tagger is determined and the background with quark- or gluon-initiated jets misidentified as di-τ objects is estimated. The search for a heavy, narrow, scalar resonance produced via gluon-gluon fusion and decaying into two Higgs bosons is carried out in the mass range 1–3 TeV using the same dataset. No deviations from the Standard Model predictions are observed, and 95% confidence-level exclusion limits are set on this model. [Figure not available: see fulltext.]. © 2020, The Author(s).Ítem Search for heavy diboson resonances in semileptonic final states in pp collisions at √s=13 TeV with the ATLAS detector(Springer Science and Business Media Deutschland GmbH, 2020-12) Aad G.; Abbott B.; Abbott D.C.; Abud A.A.; Abeling K.; Abhayasinghe D.K.; Abidi S.H.; AbouZeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.; Abulaiti Y.This paper reports on a search for heavy resonances decaying into WW, ZZ or WZ using proton–proton collision data at a centre-of-mass energy of s=13 TeV. The data, corresponding to an integrated luminosity of 139 fb 1, were recorded with the ATLAS detector from 2015 to 2018 at the Large Hadron Collider. The search is performed for final states in which one W or Z boson decays leptonically, and the other W boson or Z boson decays hadronically. The data are found to be described well by expected backgrounds. Upper bounds on the production cross sections of heavy scalar, vector or tensor resonances are derived in the mass range 300–5000 GeV within the context of Standard Model extensions with warped extra dimensions or including a heavy vector triplet. Production through gluon–gluon fusion, Drell–Yan or vector-boson fusion are considered, depending on the assumed model. © 2020, CERN for the benefit of the ATLAS collaboration.Ítem Search for Heavy Resonances Decaying into a Photon and a Hadronically Decaying Higgs Boson in pp Collisions at s =13 TeV with the ATLAS Detector(American Physical Society, 2020-12) Aad G.; Abbott B.; Abbott D.C.; Abed Abud A.; Abeling K.; Abhayasinghe D.K.; Abidi S.H.; Abouzeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.; Abulaiti Y.This Letter presents a search for the production of new heavy resonances decaying into a Higgs boson and a photon using proton-proton collision data at s=13 TeV collected by the ATLAS detector at the LHC. The data correspond to an integrated luminosity of 139 fb-1. The analysis is performed by reconstructing hadronically decaying Higgs boson (H→bb¯) candidates as single large-radius jets. A novel algorithm using information about the jet constituents in the center-of-mass frame of the jet is implemented to identify the two b quarks in the single jet. No significant excess of events is observed above the expected background. Upper limits are set on the production cross-section times branching fraction for narrow spin-1 resonances decaying into a Higgs boson and a photon in the resonance mass range from 0.7 to 4 TeV, cross-section times branching fractions are excluded between 11.6 fb and 0.11 fb at a 95% confidence level. © 2020 CERN.Ítem Search for Higgs Boson Decays into a Z Boson and a Light Hadronically Decaying Resonance Using 13 TeV pp Collision Data from the ATLAS Detector(American Physical Society, 2020-11) Aad G.; Abbott B.; Abbott D.C.; Abed Abud A.; Abeling K.; Abhayasinghe D.K.; Abidi S.H.; Abouzeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.; Abulaiti Y.A search for Higgs boson decays into a Z boson and a light resonance in two-lepton plus jet events is performed, using a pp collision dataset with an integrated luminosity of 139 fb-1 collected at s=13 TeV by the ATLAS experiment at the CERN LHC. The resonance considered is a light boson with a mass below 4 GeV from a possible extended scalar sector or a charmonium state. Multivariate discriminants are used for the event selection and for evaluating the mass of the light resonance. No excess of events above the expected background is found. Observed (expected) 95% confidence-level upper limits are set on the Higgs boson production cross section times branching fraction to a Z boson and the signal resonance, with values in the range 17-340 pb (16-5+6-320-90+130 pb) for the different light spin-0 boson mass and branching fraction hypotheses, and with values of 110 and 100 pb (100-30+40 and 100-30+40 pb) for the ηc and J/ψ hypotheses, respectively. .Ítem Search for Higgs boson production in association with a high-energy photon via vector-boson fusion with decay into bottom quark pairs at √s = 13 TeV with the ATLAS detector(Springer Science and Business Media Deutschland GmbH, 2021-03) Aad G.; Abbott B.; Abbott D.C.; Abed Abud A.; Abeling K.; Abhayasinghe D.K.; Abidi S.H.; AbouZeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.; Abulaiti Y.A search is presented for the production of the Standard Model Higgs boson in association with a high-energy photon. With a focus on the vector-boson fusion process and the dominant Higgs boson decay into b-quark pairs, the search benefits from a large reduction of multijet background compared to more inclusive searches. Results are reported from the analysis of 132 fb−1 of pp collision data at s = 13 TeV collected with the ATLAS detector at the LHC. The measured Higgs boson signal yield in this final-state signature is 1.3 ± 1.0 times the Standard Model prediction. The observed significance of the Higgs boson signal above the background is 1.3 standard deviations, compared to an expected significance of 1.0 standard deviations. [Figure not available: see fulltext.] © 2021, The Author(s).Ítem Search for pair-production of vector-like quarks in pp collision events at s=13 TeV with at least one leptonically decaying Z boson and a third-generation quark with the ATLAS detector(Elsevier B.V., 2023) Aad G.; ATLAS Collaboration; S. KuleshovA search for the pair-production of vector-like quarks optimized for decays into a Z boson and a third-generation Standard Model quark is presented, using the full Run 2 dataset corresponding to 139fb−1 of pp collisions at s=13TeV, collected in 2015–2018 with the ATLAS detector at the Large Hadron Collider. The targeted final state is characterized by the presence of a Z boson with high transverse momentum, reconstructed from a pair of same-flavour leptons with opposite-sign charges, as well as by the presence of b-tagged jets and high-transverse-momentum large-radius jets reconstructed from calibrated smaller-radius jets. Events with exactly two or at least three leptons are used, which are further categorized by the presence of boosted W, Z, and Higgs bosons and top quarks. The categorization is performed using a neural-network-based boosted object tagger to enhance the sensitivity to signal relative to the background. No significant excess above the background expectation is observed and exclusion limits at 95% confidence level are set on the masses of the vector-like partners T and B of the top and bottom quarks, respectively. The limits depend on the branching ratio configurations and, in the case of 100% branching ratio for T→Zt and 100% branching ratio for B→Zb, this search sets the most stringent limits to date, allowing mT>1.60TeV and mB>1.42TeV, respectively. © 2023 The Author(s)Ítem Search for resonances decaying into a weak vector boson and a Higgs boson in the fully hadronic final state produced in proton-proton collisions at s =13 TeV with the ATLAS detector(American Physical Society, 2020-12) Aad G.; Abbott D.C.; Abed Abud A.; Abeling K.; Abhayasinghe D.K.; Abidi S.H.; Abouzeid O.S.; Abraham N.L.; Abramowicz H.; Abreu H.; Abulaiti Y.A search for heavy resonances decaying into a W or Z boson and a Higgs boson produced in proton-proton collisions at the Large Hadron Collider at s=13 TeV is presented. The analysis utilizes the dominant W→qq¯′ or Z→qq¯ and H→bb¯ decays with substructure techniques applied to large-radius jets. A sample corresponding to an integrated luminosity of 139 fb-1 collected with the ATLAS detector is analyzed and no significant excess of data is observed over the background prediction. The results are interpreted in the context of the heavy vector triplet model with spin-1 W′ and Z′ bosons. Upper limits on the cross section are set for resonances with mass between 1.5 and 5.0 TeV, ranging from 6.8 to 0.53 fb for W′→WH and from 8.7 to 0.53 fb for Z′→ZH at the 95% confidence level. © 2020 CERN.Ítem Software Performance of the ATLAS Track Reconstruction for LHC Run 3(Computing and Software for Big Science, Volume 8, Issue 1December 2024 Article number 9, 2024-12) Aad G.; Abbott B.; Abeling K.; Abicht N.J.; Abidi S.H.; Aboulhorma A.; Abramowicz H.; Abreu H.; Abulaiti Y.; Acharya B.S.; Bourdarios, C. Adam; Adamczyk L.; Adamek L.; Addepalli S.V.; Addison M.J.; Adelman J.; Adiguzel A.; Adye T.; Affolder A.A.; Afik Y.; Agaras M.N.; Agarwala J.; Aggarwal A.; Agheorghiesei C.; Ahmad A.; Ahmadov F.; Ahmed W.S.; Ahuja S.; Ai X.; Aielli G.; Aikot A.; Tamlihat, M. Ait; Aitbenchikh B.; Aizenberg I.; Akbiyik M.; Åkesson T.P.A.; Akimov A.V.; Akiyama D.; Akolkar N.N.; Khoury, K. Al; Alberghi G.L.; Albert J.; Albicocco P.; Albouy G.L.; Alderweireldt S.; Aleksa M.; Aleksandrov I.N.; Alexa C.; Alexopoulos T.; Alfonsi F.; Algren M.; Alhroob M.; Ali B.; Ali H.M.J.; Ali S.; Alibocus S.W.; Aliev M.; Alimonti G.; Alkakhi W.; Allaire CAli S.; Alibocus S.W.; Aliev M.; Alimonti G.; Alkakhi W.; Allaire CCharged particle reconstruction in the presence of many simultaneous proton–proton (pp) collisions in the LHC is a challenging task for the ATLAS experiment’s reconstruction software due to the combinatorial complexity. This paper describes the major changes made to adapt the software to reconstruct high-activity collisions with an average of 50 or more simultaneous pp interactions per bunch crossing (pile-up) promptly using the available computing resources. The performance of the key components of the track reconstruction chain and its dependence on pile-up are evaluated, and the improvement achieved compared to the previous software version is quantified. For events with an average of 60pp collisions per bunch crossing, the updated track reconstruction is twice as fast as the previous version, without significant reduction in reconstruction efficiency and while reducing the rate of combinatorial fake tracks by more than a factor two. © The Author(s) 2024.