papers

Publications (15)

nucl-ex2020

Cyclotron Radiation Emission Spectroscopy Signal Classification with Machine Learning in Project 8

A. Ashtari Esfahani, S. Boser, N. Buzinsky +32

The Cyclotron Radiation Emission Spectroscopy (CRES) technique pioneered by Project 8 measures electromagnetic radiation from individual electrons gyrating in a background magnetic…

cond-mat.stat-mech1998

Kinetics of a mixed Ising ferrimagnetic system

G. M. Buendia, E. Machado

We present a study, within a mean-field approach, of the kinetics of a classical mixed Ising ferrimagnetic model on a square lattice, in which the two interpenetrating square subla…

cond-mat.mtrl-sci2005

Decay of Metastable Nonequilibrium Phases, Enhanced Reaction Rate, and Dynamic Phase Transition in a Model of CO Oxidation with CO Desorption

E. Machado, G. M. Buendia, P. A. Rikvold +1

We present a computational study of the dynamic behavior of a Ziff-Gulari-Barshad model of CO oxidation with CO desorption on a catalytic surface. Our results provide further evide…

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…

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…

cond-mat.stat-mech2005

Decay of metastable phases in a model for the catalytic oxidation of CO

E. Machado, G. M. Buendia, P. A. Rikvold

We study by kinetic Monte Carlo simulations the dynamic behavior of a Ziff-Gulari-Barshad model with CO desorption for the reaction CO + O CO on a catalytic surface. Fini…

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…

cond-mat.stat-mech2009

Effect of CO desorption and coadsorption with O on the phase diagram of a Ziff-Gulari-Barshad model for the catalytic oxidation of CO

G. M. Buendia, E. Machado, P. A. Rikvold

We study the effect of coadsorption of CO and O on a Ziff-Gulari-Barshad (ZGB) model with CO desorption (ZGB-d) for the reaction CO + O --> CO_2 on a catalytic surface. Coadsorptio…

physics.comp-ph2019

Locust: C++ software for simulation of RF detection

Project 8 Collaboration, A. Ashtari Esfahani, S. Böser +36

The Locust simulation package is a new C++ software tool developed to simulate the measurement of time-varying electromagnetic fields using RF detection techniques. Modularity and…

nucl-ex2020

Beta decay of molecular tritium

Y. -T. Lin, T. H. Burritt, C. Claessens +12

The beta decay of tritium in the form of molecular TT is the basis of sensitive experiments to measure neutrino mass. The final-state electronic, vibrational, and rotational excita…

cond-mat2000

Magnetic Behavior of a Mixed Ising Ferrimagnetic Model in an Oscillating Magnetic Field

G. M. Buendia, E. Machado

The magnetic behavior of a mixed Ising ferrimagnetic system on a square lattice, in which the two interpenetrating square sublattices have spins +- 1/2 and spins +-1,0, in the pres…

cond-mat.mtrl-sci2006

Response of a Model of CO Oxidation with CO Desorption and Diffusion to a Periodic External CO Pressure

G. M. Buendia, E. Machado, P. A. Rikvold

We present a study of the dynamical behavior of a Ziff-Gulari-Barshad model with CO desorption and lateral diffusion. Depending on the values of the desorption and diffusion parame…

physics.ins-det2019

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…

cond-mat.mtrl-sci1998

Compensation Temperature of a Mixed Ising Ferrimagnetic Model in the Presence of External Magnetic Fields

G. M. Buendia, E. Machado, M. A. Novotny

The behavior of the compensation temperature of a mixed Ising ferrimagnetic system on a square lattice in which the two interpenetrating square sublattices have spins ($\pm 1/…