Research Explorer

Your browser does not support JavaScript or JavaScript is not enabled. Without JavaScript some functions of this webapplication may be disabled or cause error messages. To enable JavaScript, please consult the manual of your browser or contact your system administrator.

Researcher

Luka Lambrecht

Awards & Distinctions

63 Results

2023

Observation of triple J/psi meson production in proton-proton collisions

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in NATURE PHYSICS

2022

A new calibration method for charm jet identification validated with proton-proton collision events at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF INSTRUMENTATION

Analysis of the CP structure of the Yukawa coupling between the Higgs boson and tau leptons in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Evidence for WW/WZ vector boson scattering in the decay channel l nu qq produced in association with two jets in proton-proton collisions at root s=13TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICS LETTERS B

Identification of hadronic tau lepton decays using a deep neural network

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF INSTRUMENTATION

Inclusive and differential cross section measurements of single top quark production in association with a Z boson in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Inclusive nonresonant multilepton probes of new phenomena at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in PHYSICAL REVIEW D

Measurement and QCD analysis of double-differential inclusive jet cross sections in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Measurement of W-+/-gamma differential cross sections in proton-proton collisions at root s=13 TeV and effective field theory constraints

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW D

Measurement of double-parton scattering in inclusive production of four jets with low transverse momentum in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Measurement of the Drell-Yan forward-backward asymmetry at high dilepton masses in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Measurement of the Higgs boson width and evidence of its off-shell contributions to ZZ production

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in NATURE PHYSICS

Measurement of the inclusive and differential Higgs boson production cross sections in the decay mode to a pair of tau leptons in pp collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW LETTERS

Measurement of the inclusive and differential WZ production cross sections, polarization angles, and triple gauge couplings in pp collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Measurement of the inclusive and differential t(t)over-bar gamma cross sections in the dilepton channel and effective field theory interpretation in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Measurement of the inclusive t(t)over-bar production cross section in proton-proton collisions at root s=5.02 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthN. KrammerL. Lechner et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Measurement of the production cross section for Z plus b jets in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in PHYSICAL REVIEW D

Observation of B-0 ->psi(2S)K-S(0)pi(+)pi(-) and B-s(0)->psi(2S)K-S(0) decays

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in EUROPEAN PHYSICAL JOURNAL C

Observation of the B-c(+) meson in Pb-Pb and pp collisions at root s(NN)=5.02 TeV and measurement of its nuclear modification factor

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW LETTERS

Precision measurement of the W boson decay branching fractions in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW D

Probing charm quark dynamics via multiparticle correlations in Pb-Pb collisions at root s(NN)=5.02 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW LETTERS

Search for Higgs boson pair production in the four b quark final state in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in PHYSICAL REVIEW LETTERS

Search for a W' boson decaying to a vector-like quark and a top or bottom quark in the all-jets final state at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for a right-handed W boson and a heavy neutrino in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for charged-lepton flavor violation in top quark production and decay in pp collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruehwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for electroweak production of charginos and neutralinos in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for flavor-changing neutral current interactions of the top quark and Higgs boson in final states with two photons in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW LETTERS

Search for flavor-changing neutral current interactions of the top quark and the Higgs boson decaying to a bottom quark-antiquark pair at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for heavy resonances decaying to WW, WZ, or WH boson pairs in a final state consisting of a lepton and a large-radius jet in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW D

Search for heavy resonances decaying to ZZ or ZW and axion-like particles mediating nonresonant ZZ or ZH production at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for higgsinos decaying to two Higgs bosons and missing transverse momentum in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruehwirthM. Jeitler et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for high-mass resonances decaying to a jet and a Lorentz-boosted resonance in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICS LETTERS B

Search for invisible decays of the Higgs boson produced via vector boson fusion in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in PHYSICAL REVIEW D

Search for long-lived heavy neutral leptons with displaced vertices in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for long-lived particles produced in association with a Z boson in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for new particles in an extended Higgs sector with four b quarks in the final state at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in PHYSICS LETTERS B

Search for new physics in the lepton plus missing transverse momentum final state in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for resonances decaying to three W bosons in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW LETTERS

Search for resonant production of strongly coupled dark matter in proton-proton collisions at 13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeK. DamanakisM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for single production of a vector-like T quark decaying to a top quark and a Z boson in the final state with jets and missing transverse momentum at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for supersymmetry in final states with two or three soft leptons and missing transverse momentum in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Strategies and performance of the CMS silicon tracker alignment during LHC Run 2

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruwirthV HingerM. Jeitler et al.

A1 Journal Article in NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT

Study of dijet events with large rapidity separation in proton-proton collisions at root s=2.76 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Study of quark and gluon jet substructure in Z plus jet and dijet events from pp collisions

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

2021

Combined searches for the production of supersymmetric top quark partners in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in EUROPEAN PHYSICAL JOURNAL C

Constraints on anomalous Higgs boson couplings to vector bosons and fermions in its production and decay using the four-lepton final state

A. M. SirunyanA. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in PHYSICAL REVIEW D

Measurement of differential t(t)over-bar production cross sections in the full kinematic range using lepton plus jets events from proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW D

Measurement of the electroweak production of Z gamma and two jets in proton-proton collisions at root s=13 TeV and constraints on anomalous quartic gauge couplings

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW D

Measurement of the inclusive and differential t(t)over-bar gamma cross sections in the single-lepton channel and EFT interpretation at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Measurement of the top quark mass using events with a single reconstructed top quark in pp collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Measurements of Higgs boson production cross sections and couplings in the diphoton decay channel at root s=13 TeV

[missing] The CMS collaborationA. M. SirunyanA. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. Frühwirth et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Measurements of the electroweak diboson production cross sections in proton-proton collisions at root s=5.02 TeV using leptonic decays

A. TumasyanW. AdamW. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruehwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW LETTERS

Measurements of the pp -> W-+/-gamma gamma and pp -> Z gamma gamma cross sections at root s=13 TeV and limits on anomalous quartic gauge couplings

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Observation of a new excited beauty strange baryon decaying to Xi(-)(b)π+π−

A. M. SirunyanA. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in PHYSICAL REVIEW LETTERS

Observation of tW production in the single-lepton channel in pp collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Probing effective field theory operators in the associated production of top quarks with a Z boson in multilepton final states at root s=13 TeV

N. TononH. Aarup PetersenM. Aldaya MartinP. AsmussS. BaxterM. BayatmakouO. BehnkeA. Bermudez MartinezS. BhattacharyaA. A. Bin Anuar et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for a heavy Higgs boson decaying into two lighter Higgs bosons in the tau tau bb final state at 13TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for charged Higgs bosons produced in vector boson fusion processes and decaying into vector boson pairs in proton-proton collisions at root s=13 TeV

A. M. SirunyanA. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in EUROPEAN PHYSICAL JOURNAL C

Search for chargino-neutralino production in events with Higgs and W bosons using 137 fb(-1) of proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Search for lepton-flavor violating decays of the Higgs boson in the mu tau and e tau final states in proton-proton collisions at root s=13 TeV

A. M. SirunyanA. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. Jeitler et al.

A1 Journal Article in PHYSICAL REVIEW D

Search for long-lived particles decaying in the CMS end cap muon detectors in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruehwirthM. JeitlerN. Krammer et al.

A1 Journal Article in PHYSICAL REVIEW LETTERS

Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at root s=13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS

Study of Z boson plus jets events using variables sensitive to double-parton scattering in pp collisions at 13 TeV

A. TumasyanW. AdamJ. W. AndrejkovicT. BergauerS. ChatterjeeM. DragicevicA. Escalante Del ValleR. FruhwirthM. JeitlerN. Krammer et al.

A1 Journal Article in JOURNAL OF HIGH ENERGY PHYSICS