Institute for Nuclear and Particle Astrophysics (INPA) at LBNL
The INPA Seminar weekly talks are on Fridays, starting at 12:00 pm, unless informed otherwise. The seminar talk starts with a brief presentation of the weekly scientific news. Typically, the talks conclude by 1:00 pm. The seminars are held in the Sessler Conference Room, located in Bldg. 50A- 5132.
Please send all suggestions for future INPA talks and speakers to the INPA Committee.
To be added to the INPA News Mailing List, please contact Erica Hall.
INPA Talks are archived here.
The INPA Committee currently consists of:
2025-26
Daniel Kodroff
Krystal Alfonso
Edmond Chaussidon
- This event has passed.
INPA Seminar Speaker: Felix Hagemann (UC Berkeley (SSL) )-Title: Pulse Shape Simulation and Detector Characterization Studies for the LEGEND Experiment
September 26 @ 12:00 pm - 1:00 pm
Date: September 26, 2025
Time: 12:00 pm – 1:00 pm
Location: Sessler Conference Room – 50A-5132 [Hybrid and In-Person]
Speaker: Felix Hagemann (UC Berkeley (SSL)
Title: Pulse Shape Simulation and Detector Characterization Studies for the LEGEND Experiment
Abstract: The search for neutrinoless double beta decay with high-purity germanium detectors is one of the most sensitive approaches to probe lepton-number violation and the Majorana nature of neutrinos. The LEGEND experiment aims to push sensitivity beyond previous efforts by relying on excellent energy resolution and powerful background rejection techniques, including pulse shape discrimination.
In my presentation, I will introduce the LEGEND experimental program, present pulse shape simulation efforts using the open-source Julia software package SolidStateDetectors.jl, and showcase a novel Compton Scanner setup used to characterize the bulk of large-volume germanium detectors. By matching simulation outputs to data from our first Compton Scanner campaign, we were able to determine the impurity density profile and charge carrier mobilities in our test detector, improving the accuracy of detector simulations and enabling the testing and tuning of pulse shape discrimination techniques used in the LEGEND experiment.
Join Zoom Meeting
https://lbnl.zoom.us/j/95016696011?pwd=Tk1XOW1Xd3RYRnlsc2tEYmRWZlVVZz09
Meeting ID: 950 1669 6011
Passcode: 247722
INPA guests from campus can now come to the lab early on Fridays. The INPA Common Room (50-5026) is reserved for our guests from 10:00 a.m. to 12:00 noon and from 1 p.m. to 5 p.m. Note that the seminars are now held in 50A-5132 to accommodate a more significant number of attendees.
CPTea Series (also known as INPA Tea Series)
The Physics Division CPTea Series invites you to an In-Person Tea Series 1st Friday of every month at 3:30 pm INPA Conference Room 50-5026.
Everyone is welcome to attend the open forum. Tea and light refreshments will be served.
INPA Common Room (50-5026)
Fridays
3:30 pm
Access to the Lab
For a shuttle pass, please email Erica Hall. The pass is only valid for the day of the seminar.