The Project 8 Experiment

Welcome to the Project 8 website!

Project 8 is a neutrino mass experiment. Navigate through this website to find out more about who we are and the science that we do. You can also find links to all our recent publications as well as contact information.

• Congratulations, Dr. Arina Bykadorova Telles! Arina defended her thesis and received her PhD from Yale University on April 10, 2025.

• Kara Stogsdill, an undergraduate student at University of Texas Arlington, received the Outstanding Undergraduate Research Award. This was awarded by the Society of Physics Students, an organization of the American Institute of Physics. Read the article here. We're proud of you, Kara! -Sep 4, 2024

• "Real-time signal detection for Cyclotron Radiation Emission Spectroscopy measurements using antenna arrays" has been published in JINST. This paper is about triggering methods for antenna-based CRES. See more in Publications. -May 28, 2024

• "Deep learning based event reconstruction for cyclotron radiation emission spectroscopy" has been published in Machine Learning: Science and Technology. Here we talk about new machine learning techniques for CRES analyses. See more in Publications. -May 3, 2024 

• "Cyclotron radiation emission spectroscopy of electrons from tritium beta decay and Kr-83m internal conversion" has been published in Physical Review C. This paper goes into more detail about the Phase II results and analysis. See more in Publications. -March 25, 2024

• Congratulations, Dr. Yu-Hao Sun! Yu-Hao defended his thesis and received his PhD from Case Western University on pi day, 2024. -March 14, 2024

• Project 8 was mentioned in this Nature news article. Read it here. -March 1, 2024

• Congratulations to Prof. Elise Novitski for winning the 2023 Stuart Jay Freedman Award in Experimental Nuclear Physics from the American Physical Society. Read more about it on the APS website here. - September 19, 2023

• "Tritium Beta Spectrum and Neutrino Mass Limit from Cyclotron Radiation Emission Spectroscopy" paper has been published in Physical Review Letters. This is a major paper about our latest results from Phase II of our experiment. Find it in Publications and check out the Physics highlight article and our press release. -September 6, 2023

• "SYNCA: A Synthetic Cyclotron Antenna for the Project 8 Collaboration" has been published in the Journal of Instrumentation. This paper describes how we mimicked cyclotron radiation with a custom antenna. Get the link in Publications. - January 27, 2023

• "Viterbi Decoding of CRES signals in Project 8" paper has been published in New Journal of Physics. This paper is about a novel application of the Viterbi algorithm to cyclotron radiation signals. You can find it in Publications. -May 20, 2022

• "The Project 8 Experiment" Snowmass White Paper on the arXiv. Look at this white paper if you want to know about the status of the experiment and our outlook for the future. A part of the Snowmass process. Find it in Publications. -March 14, 2022

• Congratulations, Dr. Luis Saldaña! Luis defended his thesis and received his PhD from Yale University. Thesis link in Publications. -August 6, 2021

• Congratulations, Dr. Nick Buzinsky! Nick defended his thesis and received his PhD from Massachusetts Institute of Technology. Thesis link in Publications. -July 21, 2021

• Bayesian Sensitivity paper published. This paper explores Bayesian techniques to determine how far down in mass values a future neutrino mass experiment could reach. Check it out here: Publications. -June 2021

• KATRIN releases the first sub-eV neutrino mass limit. Congrats to the KATRIN neutrino mass experiment, who have released the first ever neutrino mass limit below 1 eV/c^2. Look at their results here.

• Congratulations, Dr. Christine Claessens! Christine defended her thesis and received her PhD from Johanes Gutenberg Universitat in Mainz. You can find her thesis here. -March 10, 2020

• Signal Classification with Machine Learning paper published. In this paper, we describe our machine learning algorithm for analyzing our experiment signals, as well as relevant results. Find it in Publications. -March 2020

• Hooray for Dr. Ali Ashtari Esfahani! Ali defended his thesis and received his PhD from the University of Washington. Read his thesis here. -August 6, 2020