331 citations · 3.2k across the 54 of their papers we have counts for
54 papers
Energy Calibration and Performance of HPGe Detectors in the LEGEND-200 Experiment
The LEGEND Collaboration, H. Acharya, M. Agostini +259
This paper describes the energy scale procedures and germanium detectors performance in the LEGEND-200 experiment, a critical component for the first unblinding in the search for n…
First Results on the Search for Lepton Number Violating Neutrinoless Double Beta Decay with the LEGEND-200 Experiment
H. Acharya, N. Ackermann, M. Agostini +256
The LEGEND collaboration is searching for neutrinoless double beta () decay by operating high-purity germanium detectors enriched in Ge in a low-background liquid argo…
Search for high-mass resonances in final states with a -lepton and missing transverse momentum with the ATLAS detector
ATLAS Collaboration
A search for high-mass resonances decaying into a -lepton and a neutrino using proton-proton collisions at a center-of-mass energy of TeV is presented. The full Ru…
Search for quantum black hole production in lepton+jet final states using proton-proton collisions at = 13 TeV with the ATLAS detector
ATLAS Collaboration
A search for quantum black holes in electron+jet and muon+jet invariant mass spectra is performed with 140 fb of data collected by the ATLAS detector in proton-proton collis…
Search for keV-scale Sterile Neutrinos with first KATRIN Data
M. Aker, D. Batzler, A. Beglarian +128
In this work we present a keV-scale sterile-neutrino search with the first tritium data of the KATRIN experiment, acquired in the commissioning run in 2018. KATRIN performs a spect…
Search for Lorentz-Invariance Violation with the first KATRIN data
M. Aker, D. Batzler, A. Beglarian +130
Some extensions of the Standard Model of Particle Physics allow for Lorentz invariance and Charge-Parity-Time (CPT)-invariance violations. In the neutrino sector strong constraints…
KATRIN: Status and Prospects for the Neutrino Mass and Beyond
M. Aker, M. Balzer, D. Batzler +159
The Karlsruhe Tritium Neutrino (KATRIN) experiment is designed to measure a high-precision integral spectrum of the endpoint region of T2 beta decay, with the primary goal of probi…
New Constraint on the Local Relic Neutrino Background Overdensity with the First KATRIN Data Runs
M. Aker, D. Batzler, A. Beglarian +129
We report on the direct cosmic relic neutrino background search from the first two science runs of the KATRIN experiment in 2019. Beta-decay electrons from a high-purity molecular…
Improved eV-scale Sterile-Neutrino Constraints from the Second KATRIN Measurement Campaign
M. Aker, D. Batzler, A. Beglarian +128
We present the results of the light sterile neutrino search from the second KATRIN measurement campaign in 2019. Approaching nominal activity, tritium -electr…
First direct neutrino-mass measurement with sub-eV sensitivity
M. Aker, A. Beglarian, J. Behrens +125
We report the results of the second measurement campaign of the Karlsruhe Tritium Neutrino (KATRIN) experiment. KATRIN probes the effective electron anti-neutrino mass, , via…
Precision measurement of the electron energy-loss function in tritium and deuterium gas for the KATRIN experiment
M. Aker, A. Beglarian, J. Behrens +132
The KATRIN experiment is designed for a direct and model-independent determination of the effective electron anti-neutrino mass via a high-precision measurement of the tritium -…
A search for the decays of stopped long-lived particles at TeV with the ATLAS detector
ATLAS Collaboration
A search for long-lived particles, which have come to rest within the ATLAS detector, is presented. The subsequent decays of these long-lived particles can produce high-momentum je…
Measurements of differential cross-sections in four-lepton events in 13 TeV proton-proton collisions with the ATLAS detector
ATLAS Collaboration
Measurements of four-lepton differential and integrated fiducial cross-sections in events with two same-flavour, opposite-charge electron or muon pairs are presented. The data corr…
Search for pair production of third-generation scalar leptoquarks decaying into a top quark and a -lepton in collisions at TeV with the ATLAS detector
ATLAS Collaboration
A search for pair production of third-generation scalar leptoquarks decaying into a top quark and a -lepton is presented. The search is based on a dataset of collisions at…
Search for Higgs boson production in association with a high-energy photon via vector-boson fusion with decay into bottom quark pairs at =13 TeV with the ATLAS detector
ATLAS Collaboration
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 dominan…
Reconstruction and identification of boosted di- systems in a search for Higgs boson pairs using 13 TeV protonproton collision data in ATLAS
ATLAS Collaboration
In this paper, a new technique for reconstructing and identifying hadronically decaying pairs with a large Lorentz boost, referred to as the di- tagger, is developed an…
Measurement of the production cross-section in collisions at TeV with the ATLAS detector
ATLAS Collaboration
The production of a prompt photon in association with a boson is studied in proton-proton collisions at a centre-of-mass energy 13 TeV. The analysis uses a data sa…
Search for magnetic monopoles and stable high-electric-charge objects in 13 TeV proton-proton collisions with the ATLAS detector
ATLAS Collaboration
A search for magnetic monopoles and high-electric-charge objects is presented using 34.4 fb of 13 TeV collision data collected by the ATLAS detector at the LHC during 2…
Combination of searches for invisible Higgs boson decays with the ATLAS experiment
ATLAS Collaboration
Dark matter particles, if sufficiently light, may be produced in decays of the Higgs boson. This Letter presents a statistical combination of searches for …
Observation of light-by-light scattering in ultraperipheral Pb+Pb collisions with the ATLAS detector
ATLAS Collaboration
This letter describes the observation of the light-by-light scattering process, , in Pb+Pb collisions at = 5.02 TeV. The analysis is conduct…
Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector
ATLAS Collaboration
A measurement of the four-lepton invariant mass spectrum is made with the ATLAS detector, using an integrated luminosity of 36.1 fb of proton-proton collisions at …
Search for top-quark decays with 36 fb of collision data at TeV with the ATLAS detector
ATLAS Collaboration
A search for flavour-changing neutral current decays of a top quark into an up-type quark () and the Standard Model Higgs boson, , is presented. The search…
Search for single production of vector-like quarks decaying into in collisions at TeV with the ATLAS detector
ATLAS Collaboration
A search for singly produced vector-like quarks , where can be either a quark with charge or a quark with charge , is performed in proton-proton collisi…
Study of the rare decays of and mesons into muon pairs using data collected during 2015 and 2016 with the ATLAS detector
ATLAS Collaboration
A study of the decays and has been performed using 26.3 fb of 13 TeV LHC proton-proton collision data collected with the ATLAS detector i…