JUNO EU+AM Meeting

7 Oct 2025, 09:00 → 10 Oct 2025, 20:00 Europe/Berlin

University of Hamburg, Campus Bahrenfeld (DESY)

Caren Hagner (UNI/EXP (Uni Hamburg, Institut fur Experimentalphysik)), Daniel Bick (UNI/EXP (Uni Hamburg, Institut fur Experimentalphysik)), John Barre (UNI/EXP (Uni Hamburg, Institut fur Experimentalphysik))

The autumn 2025 JUNO EU+AM meeting will take place at the University of Hamburg October 08 to 10 2025 (Wednesday through Friday). It will be preceeded by the annual meeting of the German DFG research unit on Tuesday, October 07.

The meeting venue will be at Campus Bahrenfeld (DESY Campus).

Tuesday 7 October

German DFG Research Unit Retreat: Welcome and Overview

1 Weclome

Speakers: Caren Hagner (UNI/EXP (Uni Hamburg, Institut fur Experimentalphysik)), Daniel Bick (UNI/EXP (Uni Hamburg, Institut fur Experimentalphysik))

2 Status of the German JUNO DFG research unit

Speaker: Tobias Lachenmaier (Universität Tübinen)

German DFG Research Unit Retreat: Individual Talks

3 The AURORA laser calibration system

Speaker: Marcel Büchner (JGU Mainz)

4 OMILREC nPE map cross check

Speaker: Thilo Birkenfeld (RWTH Aachen)

5 Preliminary updates on muon induced neutron backgrounds from JUNO data

Speaker: Meishu Lu (TUM)

10:30 Coffee Break

German DFG Research Unit Retreat Lecture

6 ESSnuSB+

Speaker: Tamer Abdelkmaksoud Mohamed Tolba (UNI/EXP (Uni Hamburg, Institut fur Experimentalphysik))

12:00 Lunch

German DFG Research Unit Retreat: Individual Talks

7 Overview of ongoing efforts at GSI group

Speaker: Rosmarie Wirth

8 TTR current status

Speaker: Mikhail Smirnov (UNI/EXP (Uni Hamburg, Institut fur Experimentalphysik))

9 Reconstruction of atmospheric neutrino using Machine Learning

Speaker: Milo Jacques Yoshitaka Charavet (UNI/EXP (Uni Hamburg, Institut fur Experimentalphysik))

10 Background Study for Distant CCSN

Speaker: Tobias Kramer (RWTH Aachen)

11 Status Update about MC Studies for the DSNB Search

Speaker: Matthias Mayer (TUM)

12 Indirect Dark Matter Search in JUNO

Speaker: Jessica Eck (Universität Tübinen)

13 Preliminary results on proton and carbon quenching from UniKaon

Speaker: Ulrike Fahrendholz (TUM)

15:30 Coffee Break

German DFG Research Unit Retreat: Status and Future of OSIRIS

Convener: Michael Wurm (Universität Mainz)

14 Status of the OSIRIS MC Simulation

Speaker: Lukas Bieger (Universität Tübinen)

15 Event Reconstruction in OSIRIS and JUNO

Speaker: Elisabeth Neuerburg (RWTH Aachen)

16 Muon Reconstruction in the JUNO pre-Detector OSIRIS

Speaker: Marcel Büchner (JGU Mainz)

17 Alpha beta discrimination in OSIRIS

Speaker: Martin Kandeln (RWTH Aachen)

18 OSIRIS DAQ and single event fits

Speaker: Arshak Jafar (JGU Mainz)

19 Future of OSIRIS, publications

Speaker: Michael Wurm (Universität Mainz)

Social Event: German DFG Research Unit Dinner

Wednesday 8 October

08:30 Welcome Coffee and Registration

Country and Status Reports

20 Welcome

Speakers: Caren Hagner (UNI/EXP (Uni Hamburg, Institut fur Experimentalphysik)), Daniel Bick (UNI/EXP (Uni Hamburg, Institut fur Experimentalphysik))

21 Country Report Americas

Speaker: Pedro Ochoa-Ricoux (University of California, Irvine)

22 Country Report Armenia

Speaker: Ara Ioannisian

23 Country Report Belgium

Speaker: Barbara Clerbaux (UNIVERSITE LIBRE DE BRUXELLES)

24 Country Report Czech Republic

Speaker: Vit Vorobel

25 Country Report Finland

Speaker: Kai Loo (University of Jyvaskyla, Finland)

26 Country Report France

Speaker: Cécile Jollet

27 Country Report Germany

Speaker: Tobias Lachenmaier (Universität Tübinen)

28 Country Report Italy

Speaker: Gioacchino Ranucci (INFN Milano)

29 Country Report MSU & INR

30 Country Report JINR

Speaker: Maxim Gonchar (JINR)

31 Country Report Slovakia

Speaker: Fedor Šimkovic

32 Country Report UK

Speaker: Xianguo Lu (University of Warwick)

12:00 Lunch

Country and Status Reports

33 JUNO DCI and computing resources status

Speaker: Giuseppe Andronico (INFN Sez. CT)

First JUNO analysis: Global Summary

First JUNO analysis: Reports from the WP Conveners, Discussion

34 Group C - WP1 - Fit and statistical machinery

Speakers: Andrea Serafini (University of Padova & INFN), Sindhujha Kumaran (UCI)

35 Group C - WP2 - Muon tagging + IBD selection + data-driven backgrounds

Speakers: Cristobal Morales, Vanessa Cerrone

36 Group C - WP3 - Backgrounds predicted analytically/using MC

Speakers: Mariam Rifai, Ze Chen

15:15 Coffee Break

First JUNO analysis: Reports from the WP Conveners, Discussion

37 Group C - WP4 - Muon tagging using TT

38 Group C - WP5 - Reconstruction

Speakers: Luca Pelicci, Thilo Birkenfeld

39 Group C - WP6 - Detector response and calibration

Speakers: Davide Basilico, Marco Malabarba

40 Group C - WP7 - Unoscillated spectrum prediction

Speaker: Matteo Borghesi

PI Discussion

Social Event: St. Pauli Tour

Social Event: Senior Dinner

Social Event: Young Scientists Dinner

Thursday 9 October

First JUNO analysis: Discussion of critical key points for IBD analysis: event selection and background estimations

10:00 Coffee Break

Free discussion and hands-on work

12:00 Lunch

First JUNO analysis: Discussion of critical key points for IBD analysis: detector response comprehension and modeling

15:00 Coffee Break

First JUNO analysis: Reconstruction

Free discussion and hands-on work

Social Event: Social Dinner: Boat Cruise

Friday 10 October

Other updates and analyses

41 TT: End of installation & remaining electronics work

Speaker: Jacques WURTZ (IPHC-IN2P3)

42 TT DAQ & planned evolution

Speaker: Denis Krobalev

43 Top Tracker Status

Speaker: João Pedro Athayde Marcondes de André (IPHC/CNRS/IN2P3)

44 Status of the SPMTs

Speaker: Jonas Buchholz

45 Status of OSIRIS

Speaker: Michael Wurm (Universität Mainz)

10:30 Coffee Break

First JUNO analysis: Next plans and final summary talk

12:30 Lunch

Free discussion and hands-on work: Drafting of technotes

Closing session