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19992026
most citedAn improved upper limit on the neutrino mass from a direct kinematic method by KATRIN

476 citations · 3k across the 72 of their papers we have counts for

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physics.ins-det2026

Gaseous forms of Ge, Se, Zr, Mo, Sn, and Te: new avenues to future time projection chambers

Aneesha Avasthi, Benjamin Monreal, Ivana Moya

Searches for neutrinoless double beta decay are growing larger, with tonne-scale targets in several nuclides still far from exhausting the discovery space. What's beyond ton scale?…

physics.ins-det2026

Cyclotron Radiation Signal Characterization in Resonant Cavities for the Project 8 Neutrino Mass Experiment

A. Ashtari Esfahani, S. Bhagvati, H. P. Binney +60

Many experimental methods in physics require understanding radiation from single particles into non-trivial electromagnetic mode structures. Such characterization is critical for C…

physics.ins-det2025

The real-time data processing and acquisition system for Project 8 Phase II

A. Ashtari Esfahani, A. Banducci, S. Böser +36

In Phase II of the Project 8 neutrino mass experiment, electrons from the decays of tritium or Kr are detected via their 26 GHz cyclotron radiation whil…

physics.ins-det2025

Antenna Arrays for CRES-based Neutrino Mass Measurement

A. Ashtari Esfahani, S. Bhagvati, S. Böser +65

CRES is a technique for precision measurements of kinetic energies of charged particles, pioneered by the Project 8 experiment to measure the neutrino mass using the tritium endpoi…

physics.ins-det2025

Project 8 Apparatus for Cyclotron Radiation Emission Spectroscopy with Kr and Tritium

A. Ashtari Esfahani, D. M. Asner, S. Böser +53

Cyclotron Radiation Emission Spectroscopy (CRES) is a novel technique for the precise measurement of relativistic electron energy. This technique is being employed by the Project~8…

physics.ins-det2025

Dynamics of Magnetic Evaporative Beamline Cooling for Preparation of Cold Atomic Beams

A. Ashtari Esfahani, S. Bhagvati, S. Böser +55

The most sensitive direct neutrino mass searches today are based on measurement of the endpoint of the beta spectrum of tritium to infer limits on the mass of the unobserved neutri…

physics.ins-det2025

Calorimetric Wire Detector for Measurement of Atomic Hydrogen Beams

M. Astaschov, S. Bhagvati, S. Böser +53

A calorimetric detector for minimally disruptive measurements of atomic hydrogen beams is described. The calorimeter measures heat released by the recombination of hydrogen atoms i…

physics.ins-det2024★ 3 cited

Deep Learning Based Event Reconstruction for Cyclotron Radiation Emission Spectroscopy

A. Ashtari Esfahani, S. Böser, N. Buzinsky +48

The objective of the Cyclotron Radiation Emission Spectroscopy (CRES) technology is to build precise particle energy spectra. This is achieved by identifying the start frequencies…

physics.ins-det2023★ 1 cited

Real-time Signal Detection for Cyclotron Radiation Emission Spectroscopy Measurements using Antenna Arrays

A. Ashtari Esfahani, S. Böser, N. Buzinsky +48

Cyclotron Radiation Emission Spectroscopy (CRES) is a technique for precision measurement of the energies of charged particles, which is being developed by the Project 8 Collaborat…

physics.ins-det2022★ 6 cited

SYNCA: A Synthetic Cyclotron Antenna for the Project 8 Collaboration

A. Ashtari Esfahani, S. Böser, N. Buzinsky +42

Cyclotron Radiation Emission Spectroscopy (CRES) is a technique for measuring the kinetic energy of charged particles through a precision measurement of the frequency of the cyclot…

physics.ins-det2022★ 6 cited

Low Background kTon-Scale Liquid Argon Time Projection Chambers

A. Avasthi, T. Bezerra, A. Borkum +28

We find that it is possible to increase sensitivity to low energy physics in a third or fourth DUNE-like module with careful controls over radiopurity and some modifications to a d…

physics.ins-det2021★ 3 cited

Viterbi Decoding of CRES Signals in Project 8

A. Ashtari Esfahani, Z. Bogorad, S. Böser +45

Cyclotron Radiation Emission Spectroscopy (CRES) is a modern approach for determining charged particle energies via high-precision frequency measurements of the emitted cyclotron r…

physics.ins-det2021★ 26 cited

Kiloton-scale xenon detectors for neutrinoless double beta decay and other new physics searches

A. Avasthi, T. W. Bowyer, C. Bray +31

Large detectors employing xenon are a leading technology in existing and planned searches for new physics, including searches for neutrinoless double beta decay () and dark m…

physics.ins-det2021★ 76 cited

The Design, Construction, and Commissioning of the KATRIN Experiment

M. Aker, K. Altenmüller, J. F. Amsbaugh +226

The KArlsruhe TRItium Neutrino (KATRIN) experiment, which aims to make a direct and model-independent determination of the absolute neutrino mass scale, is a complex experiment wit…

physics.ins-det2019★ 7 cited

Suppression of Penning discharges between the KATRIN spectrometers

M. Aker, K. Altenmüller, A. Beglarian +151

The KArlsruhe TRItium Neutrino experiment (KATRIN) aims to determine the effective electron (anti)neutrino mass with a sensitivity of (90 C.L.) by precise…

physics.ins-det2019★ 38 cited

First operation of the KATRIN experiment with tritium

M. Aker, K. Altenmüller, M. Arenz +168

The determination of the neutrino mass is one of the major challenges in astroparticle physics today. Direct neutrino mass experiments, based solely on the kinematics of beta-decay…

physics.ins-det2019★ 17 cited

High-resolution spectroscopy of gaseous Kr conversion electrons with the KATRIN experiment

K. Altenmüller, M. Arenz, W. -J. Baek +124

In this work, we present the first spectroscopic measurements of conversion electrons originating from the decay of metastable gaseous Kr with the Karlsruhe Tritium…

physics.ins-det2019★ 14 cited

Gamma-induced background in the KATRIN main spectrometer

K. Altenmüller, M. Arenz, W. -J. Baek +123

The KATRIN experiment aims to measure the effective electron antineutrino mass with a sensitivity of 0.2 eV/c using a gaseous tritium source combined with th…

physics.ins-det2019★ 29 cited

Electron Radiated Power in Cyclotron Radiation Emission Spectroscopy Experiments

A. Ashtari Esfahani, V. Bansal, S. Boser +38

The recently developed technique of Cyclotron Radiation Emission Spectroscopy (CRES) uses frequency information from the cyclotron motion of an electron in a magnetic bottle to inf…

physics.ins-det2018★ 28 cited

The KATRIN Superconducting Magnets: Overview and First Performance Results

M. Arenz, W. -J. Baek, M. Beck +121

The KATRIN experiment aims for the determination of the effective electron anti-neutrino mass from the tritium beta-decay with an unprecedented sub-eV sensitivity. The strong magne…

physics.ins-det2018★ 4 cited

Reduction of stored-particle background by a magnetic pulse method at the KATRIN experiment

KATRIN Collaboration, M. Arenz, W. -J. Baek +127

The KATRIN experiment aims to determine the effective electron neutrino mass with a sensitivity of (90\% C.L.) by precision measurement of the shape of the t…

physics.ins-det2018★ 14 cited

Muon-induced background in the KATRIN main spectrometer

K. Altenmüller, M. Arenz, W. -J. Baek +131

The KArlsruhe TRItium Neutrino (KATRIN) experiment aims to make a model-independent determination of the effective electron antineutrino mass with a sensitivity of 0.2 eV/c.…

physics.ins-det2018★ 22 cited

Calibration of high voltages at the ppm level by the difference of Kr conversion electron lines at the KATRIN experiment

M. Arenz, W. -J. Baek, M. Beck +124

The neutrino mass experiment KATRIN requires a stability of 3 ppm for the retarding potential at -18.6 kV of the main spectrometer. To monitor the stability, two custom-made ultra-…

physics.ins-det2018★ 29 cited

First transmission of electrons and ions through the KATRIN beamline

M. Arenz, W. -J. Baek, M. Beck +126

The Karlsruhe Tritium Neutrino (KATRIN) experiment is a large-scale effort to probe the absolute neutrino mass scale with a sensitivity of 0.2 eV (90% confidence level), via a prec…