34th KATRIN Collaboration Meeting

Feb 19, 2018, 8:00 AM → Feb 24, 2018, 12:40 PM Europe/Berlin

February 19 to 23, 2018
34th KATRIN Collaboration Meeting

Monday, February 19

9:00 AM → 10:45 AM Plenary 1: Beamline

Convener: Alexander Jansen (KIT)

9:00 AM Welcome

Speakers: Christian Weinheimer (University of Muenster), Guido Drexlin (Karlsruhe Institute of Technology)

9:05 AM Organizational issues

Speakers: Joachim Wolf (KIT - ETP), Markus Steidl (Karlsruhe Institute of Technology)

9:10 AM KATRIN safety Issues

Speaker: Martin Mark (KIT)

9:25 AM STS status

Speaker: Markus Steidl (Karlsruhe Institute of Technology)

9:45 AM The KATRIN magnets: Operational results and Status

Speaker: Woosik Gil (KIT)

10:05 AM Results from the performance tests of the CPS

Speaker: Carsten Röttele (Karlsruhe Institute of Technology)

10:25 AM Status of the Tritium Loop System

Speaker: Florian Priester (KIT)

Slides 180219_Loops_34_CM_FPriester.pdf

10:45 AM → 11:15 AM Coffee Break

11:15 AM → 1:00 PM Plenary 2: Beamline

Convener: Stephanie Hickford (U Wuppertal)

11:15 AM Status of LARA

Speaker: Magnus Schlösser (Tritium Laboratory Karlsruhe - Institute of Technical Physics)

11:25 AM Rear Section - Recent Changes

Speaker: Klaus Schlösser (KIT)

11:40 AM Status of the Rear-Section e-gun

Speaker: Philipp Ranitzsch (IKP, Muenster University)

11:50 AM Update on rear wall illumination

Speaker: Alexander Fulst (Uni Münster)

12:00 PM SDS Status

Speaker: Thomas Thümmler (KIT)

12:20 PM DAQ system - performance of the new firmware

Speakers: Andreas Kopmann (KIT), John Wilkerson (UNC), Mark Howe (UNC)

12:40 PM Schedule of 2018

Speakers: Guido Drexlin (Karlsruhe Institute of Technology), Markus Steidl (Karlsruhe Institute of Technology)

1:00 PM → 2:30 PM Lunch break

2:30 PM → 4:00 PM Plenary 3: Measurements

Convener: Philipp Ranitzsch (IKP, Muenster University)

2:30 PM Overview on recent SDS3 measurements

Speaker: Florian Fraenkle (Karlsruhe Institute of Technology)

2:55 PM Detailed data analysis of Krypton spectra

Speaker: Martin Slezák (MPP Munich)

3:15 PM First Tritium: Goals, Plans, Realization

Speaker: Magnus Schlösser (Tritium Laboratory Karlsruhe - Institute of Technical Physics)

3:40 PM Update from TRISTAN

Speaker: Susanne Mertens (MPP/TUM)

4:00 PM → 4:30 PM Coffee Break

4:30 PM → 6:00 PM Plenary 4: Measurement & Simulation

Convener: Magnus Schlösser (KIT)

4:30 PM Characterizing the remaining background in KATRIN

Speaker: Anna Pollithy (MPP/TUM)

4:55 PM Modeling and optimizing the transmission function

Speakers: Ferenc Glück (KIT), Jan Behrens (KIT-ETP)

5:15 PM Updates on Alignment and Kassiopeias Global Geometry

Speaker: Marco Deffert (KIT)

5:40 PM MS magnetic field modeling

Speaker: Ferenc Glück (KIT)

Tuesday, February 20

9:00 AM → 10:30 AM Plenary 5: Analysis

Convener: Diana Parno (University of Washington)

9:00 AM Update from Analysis Task

Speakers: Diana Parno (University of Washington), Kathrin Valerius (Karlsruhe Institute of Technology), Susanne Mertens (MPP/TUM)

9:30 AM Status updates from analysis WGs 1-5

Speaker: WG conveners

10:10 AM Data Blinding

Speakers: Joachim Wolf (KIT - ETP), Valerian Sibille (MIT)

10:30 AM → 11:00 AM Coffee Break

11:00 AM → 12:30 PM Plenary 6: KATRIN and a Guest contribution

Convener: Volker Hannen (University of Münster)

11:00 AM HV measurements with collinear laser spectroscopy

Speaker: Wilfried Nörtershäuser (Uni Darmstadt)

11:50 AM New KATRIN Movie

Speaker: Joachim Wolf (KIT - ETP)

12:15 PM Collaboration photo

Speaker: All

12:30 PM → 1:45 PM Lunch break

1:45 PM → 3:30 PM Parallel A1: Preparation for Tritium

Convener: Magnus Schlösser (Tritium Laboratory Karlsruhe - Institute of Technical Physics)

1:45 PM Tritium re-emission from the spectrometer walls

Speaker: Manuel Klein (KIT)

2:00 PM Data challenge and Tritium analysis with SAMAK

Speaker: Pablo Morales (MPP/TUM)

2:15 PM A minimal SSC-model for the first light of KATRIN

Speaker: Dominik Fuchs (MPP/TUM)

2:30 PM Data generation and fitting strategies

Speakers: Christian Karl (MPP/TUM), Mr Frank Edzards (MPP/TUM)

3:00 PM Prospects of Time-Focusing Time-of-Flight (TFTOF)

Speaker: Nicholas Steinbrink (Uni Münster)

3:15 PM Pre-spectrometer background investigations

Speaker: Johannes Heizmann (KIT)

1:45 PM → 3:30 PM Parallel A2: Krypton analysis

Convener: Martin Slezák (MPP Munich)

1:45 PM Calibration of high voltage at the ppm level by the difference of Kr-83m conversion electron lines

Speaker: Oliver Rest (Uni Münster)

2:00 PM Krypton data analysis with SAMAK

Speaker: Lisa Schlüter (MPP/TUM)

2:15 PM Krypton data analysis with a Bayesian approach

Speaker: Martin Ha Minh (MPP/TUM)

2:30 PM Alignment estimation via Krypton Line Position Deviation

Speaker: Wonqook Choi (KIT)

2:45 PM Updates on the 41keV line analysis

Speaker: Larisa Thorne (Carnegie Mellon University)

3:00 PM Update on CKrS ellipsometry analysis

Speaker: Mariia Fedkevych (PhD student at WWU Muenster)

3:15 PM Results of event by event simulation of the WGTS on GPUs

Speaker: Norman Haussmann (Uni Wuppertal)

3:30 PM → 4:00 PM Coffee Break

4:00 PM → 6:00 PM Parallel B1: Paper Working Groups

Convener: Florian Fraenkle (Karlsruhe Institute of Technology)

4:00 PM → 6:00 PM Parallel B2: Collaboration Board

Convener: Marc Weber (KIT)

7:00 PM → 10:00 PM Conference Dinner

Wednesday, February 21

9:00 AM → 11:00 AM Parallel C1: Backgrounds & sterile neutrinos

Convener: Florian Fraenkle (Karlsruhe Institute of Technology)

9:00 AM keV-scale sterile neutrino search at Troitsk with the TRISTAN detector: phase-1 and phase-2

Speakers: Konrad Altenmüller (MPP/TUM), Tim Brunst (Max Planck Institute for Physics)

9:25 AM A model for a keV-scale sterile neutrino search with KATRIN: SSC-sterile

Speakers: Alexey Lokhov (Troitsk), Federico Roccatti (MPP/TUM), Madlen Steven (MPP/TUM)

9:45 AM KIT TRISTAN lab: characterising the IPE4 DAQ system

Speaker: Till Bergmann (MPP/TUM)

Slides 2018-02-21-parallel-c1-ipe4+tristan-bergmann-v13.pdf

10:00 AM Rydberg background modelling

Speaker: Dominic Hinz (KIT)

10:15 AM Background Dependence on Retarding Potential near the Endpoint of Tritium

Speaker: Fabian Block (KIT)

10:30 AM Ion scattering simulations in the KATRIN spectrometers

Speaker: Woo-Jeong Baek (KIT)

10:45 AM Performance of the new detector veto and SDS3-Xmas muon analysis

Speaker: Sanshiro Enomoto (University of Washington)

9:00 AM → 11:00 AM Parallel C2: Hardware

Convener: Klaus Schlösser (KIT)

9:00 AM Optical system for the RS e-gun

Speaker: Lutz Schimpf (KIT)

9:15 AM Setup and comissioning of the rear section e-gun

Speaker: Rudolf Sack (Westfaehlische Wilhelms Universitaet)

9:30 AM WGTS: Cooling in the 5 m long capillary pipe

Speaker: Magnus Schlösser (Tritium Laboratory Karlsruhe - Institute of Technical Physics)

9:45 AM Motion control for a detector system in safety critical applications in physics experiments

Speaker: Armen Beglarian (IPE, KIT)

10:00 AM Repair and calibration of the K65 HV divider

Speaker: Oliver Rest (Uni Münster)

10:15 AM Screening of UV-PIN-Diodes to be used as Electron Detectors

Speaker: Sven Triebskorn (KIT)

10:30 AM Work function measurement of Rear Wall gold pads

Speaker: Fabian Friedel (KIT)

11:00 AM → 11:30 AM Coffee Break

11:30 AM → 12:30 PM Plenary 7: KATRIN and end of meeting

Convener: Thomas Thümmler (KIT)

11:30 AM Report from the Publication Committee

Speaker: Alan Poon (Berkeley Lab)

11:40 AM Status and results from TRIMS

Speakers: Diana Parno (University of Washington), Hamish Robertson (University of Washington)

12:00 PM Report form the board meeting

Speaker: Marc Weber (KIT)

12:10 PM Report from the Executive Board

Speaker: John Wilkerson (UNC)

12:20 PM Report from the Conference Committee

Speaker: Guido Drexlin (Karlsruhe Institute of Technology)

12:30 PM → 2:00 PM Lunch break

2:00 PM → 4:00 PM Analysis Workshop: SDS3/Background meas.

Convener: Florian Fraenkle (Karlsruhe Institute of Technology)

2:00 PM SDS3 measurements: overview

Speaker: Florian Fraenkle (Karlsruhe Institute of Technology)

2:20 PM Rate, Pixel Distribution and Energy Spectrum in the SDS3 Christmas Long-term Measurement

Speaker: Fabian Block (KIT)

2:40 PM Non poissonian behaviour of the background rate during recent SDS3 measurements

Speaker: Woo-Jeong Baek (KIT)

3:00 PM Background studies: discussion

Speaker: Florian Fraenkle (Karlsruhe Institute of Technology)

4:00 PM → 4:30 PM Coffee break

4:30 PM → 8:00 PM Analysis Workshop: Hands-on tutorial - Git(Lab), Slack, TeamSpeak, KATRIN Wiki

Conveners: Alexander Fulst (WWU Münster), Jan Behrens (KIT-ETP), Valérian Sibille (MIT)

4:30 PM Introduction

Speaker: Dr Jan Behrens (KIT-ETP)

Slides CM34_CollabServices.pdf

4:50 PM Git & GitLab tutorial

Speaker: Alexander Fulst (WWU Münster)

Slides CM34_GitLab.pdf

5:10 PM Preparations for Git workshop

5:30 PM Coffee break

5:50 PM Good coding practices

Speaker: Dr Valérian Sibille (MIT)

Slides Better_coding_february_2018.pdf

6:20 PM Git workshop + dinner

Thursday, February 22

9:00 AM → 12:10 PM Analysis Workshop: First Tritium Task Group

Convener: Magnus Schlösser (Tritium Laboratory Karlsruhe - Institute of Technical Physics)

9:00 AM Introduction

Speaker: Dr Magnus Schlösser (Tritium Laboratory Karlsruhe - Institute of Technical Physics)

9:07 AM Loop hardware operation for first tritium

Speaker: Dr Florian Priester (KIT)

9:27 AM Spectrometer hardware operation for first tritium

Speaker: Florian Fraenkle (Karlsruhe Institute of Technology)

9:47 AM Lessons learned from krypton run and implications for first tritium

Speaker: Alexander Jansen (KIT)

10:07 AM Proposals for measurements

Speaker: Dr Magnus Schlösser (Tritium Laboratory Karlsruhe - Institute of Technical Physics)

10:35 AM Prioritization of proposals

Speaker: Dr Magnus Schlösser (Tritium Laboratory Karlsruhe - Institute of Technical Physics)

10:50 AM Conclusions & action items

12:10 PM → 1:00 PM Lunch Break

1:00 PM → 2:00 PM Analysis Workshop: Blinding strategy

Conveners: Florian Heizmann (KIT), Joachim Wolf (KIT - ETP), Valerian Sibille (MIT)

2:00 PM → 2:20 PM Analysis Workshop: Data Quality and Run Table

Convener: Sanshiro Enomoto (University of Washington)

2:20 PM → 6:20 PM First Tritium "Boot Camp": Near-online analysis

Convener: Susanne Mertens (MPP Munich)

2:20 PM Introduction

Speaker: Susanne Mertens

2:50 PM Objective of near-online analysis

Speakers: Dr Philipp Ranitzsch (IKP, Muenster University), Dr Stephanie Hickford (Bergische Universität Wuppertal)

3:20 PM Group work on near-online analysis

4:50 PM Wrap-up

Friday, February 23

9:00 AM → 12:00 PM First Tritium "Boot Camp": RunSummary

Conveners: Sanshiro Enomoto (University of Washington), Susanne Mertens (MPP Munich)

9:00 AM Introduction

Speaker: Susanne Mertens

9:30 AM Demonstration of Run Summary production

Speaker: Sanshiro Enomoto (University of Washington)

10:30 AM Discussion on Run Summary

12:00 PM → 1:30 PM Lunch break

1:30 PM → 5:30 PM First Tritium "Boot Camp": Fitting

Conveners: Martin Slezák (MPP Munich), Susanne Mertens (MPP Munich), Thierry Lasserre (CEA)

2:00 PM Introduction

Speaker: Susanne Mertens

2:30 PM Overview on fitting options

Speakers: Martin Slezák (MPP Munich), Dr Thierry Lasserre (CEA)

3:00 PM Group work on fitting

4:30 PM Wrap-up

Saturday, February 24

9:30 AM → 12:00 PM First Tritium "Boot Camp": Results & Unblinding

Convener: Susanne Mertens (MPP Munich)

9:30 AM Presentation of results

Speaker: Susanne Mertens (MPP Munich)

10:00 AM Unblinding

Speaker: Dr Thierry Lasserre (CEA)

11:00 AM Wrap-up

Speaker: Susanne Mertens (MPP Munich)