papers

Publications (13)

physics.ins-det2024

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-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-det2022

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…

nucl-ex2022

The Project 8 Neutrino Mass Experiment

Project 8 Collaboration, A. Ashtari Esfahani, S. Böser +45

Measurements of the $β^-$ spectrum of tritium give the most precise direct limits on neutrino mass. Project 8 will investigate neutrino mass using Cyclotron Radiation Emission Spe…

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…

nucl-ex2023

Tritium Beta Spectrum and Neutrino Mass Limit from Cyclotron Radiation Emission Spectroscopy

Project 8 Collaboration, A. Ashtari Esfahani, S. Böser +56

The absolute scale of the neutrino mass plays a critical role in physics at every scale, from the particle to the cosmological. Measurements of the tritium endpoint spectrum have p…

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-det2022

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…

nucl-ex2023

Cyclotron Radiation Emission Spectroscopy of Electrons from Tritium Beta Decay and Kr Internal Conversion

Project 8 Collaboration, A. Ashtari Esfahani, S. Böser +54

Project 8 has developed a novel technique, Cyclotron Radiation Emission Spectroscopy (CRES), for direct neutrino mass measurements. A CRES-based experiment on the beta spectrum of…

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

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-det2023

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-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…