JUNO European Collaboration Meeting

Faculty of Physics, Moscow State University, Moscow, 16-17 October, 2019

16 October, Wednesday

08.00 – 09.00 Registration (the Library of Faculty of Physics, MSU)

09.00 Welcome (Alexander)

09.10 – 10.40

Short update of the status of the groups: composition, funding, commitments, critical issues

Chair — Alexander Studenikin

9.10 Belgium (Barbara Clerbaux, remotely)

9.20 Czech Republic (Vit Vorobel, remotely)

9.30 Finland (Wladyslaw Trzaska)

9.40 France (Marcos Dracos)

9.50 Germany (Achim Stahl)

10.00 Italy (Gioacchino Ranucci)

10.10 MSU & INR (Alexander Studenikin)

10.20 JINR (Maxim Gonchar)

10.30 Slovakia (Fedor Šimkovic, remotely)

10.40 Armenia (Ara Ioannisian)

10.50 – 11.30 Topical discussion

Are we ready for the next move of the activity to the site for the installation?

What do we need or do we want to ask to the Chinese collaborators?

Are our funding agencies ready to provide support for this step?

What about the collaboration of local personnel to be hired?

When the operational common funds should start?

11.10 — 11.30 Coffee break

11.30 – 12.50 Top Tracker

Chair — Michele Montusch

11.30 Read Out Boards before final review (Alessandro Paoloni, remotely)

11.50 Front End Boards and Concentrators R&D (Jacques Wurtz) (Part 1) (Part 2)

12.10 TT prototype, trigger and software (Joao Pedro)

12.30 TT mechanical structure (Yury Gornushkin)

12.50 — 13.10 Physics and software

Chair — Livia Ludhova

12.50 Energy reconstruction with neural networks (Yuri Malyskin)

13.10 – 14.20 Lunch

14.20 Particle Identification Study in JUNO (Yu Xu, remotely)

14.45 Multiple muon tracks reconstruction with the help of spherical functions (Artem Chukanov)

15.00 Li9/He8 generator (Cécile Jollet)

15.30 Status of oscillation parameters analysis (Yuri Malyskin)

15.50 Modelling non-linearity in the LS energy response (Philipp Kampmann, remotely)

16.10 – 16.30 Coffee break

16.30 Current status of the GNA fitter (Maxim Gonchar)

16.50 PMT data analysis via DIRAC/GRID infrastructure (Anastasia Bolshakova)

17.05 -17.50 Scintillator I

Chair — Marcos Dracos

17.05 Purification plants and sites updates (Michele Montuschi)

17.30 Temperature behavior of the scintillator (Fausto Ortica)

17.50 End of the day

17 October, Thursday

9.00 – 10.05 Scintillator II

Chair — Marcos Dracos

9.00 Radon detection in nitrogen gas down to the uBq/m³ level and positronium lifetime determination in

Liquid Scintillators (Hans Steiger)

9.25 Fluorescence measurements of the JUNO scintillator mxture using gamma radiation and a pulsed

neutron beam (Raphael Stock)

9.45 C14 in liquid scintillator (Timo Enqvist/Bayarto Lubsandorzhiev)

10.05 – 12.45 Electronics and TAO

Chair — Hans Steiger

10.05 Overview of the TAO detector (Stefano Mari)

10.30 SiPM for TAO: Status and plans at JINR (Nikolay Anfimov)

10.45 SiPM matrix read-out (Andrea Fabbri)

11.05 – 11.30 Coffee break

11.30 Trigger for TAO (Paolo Montini)

11.50 Electronics update (Alberto Garfagnini, remotely)

12.15 Status of preparation for the HV Unit mass production (Alexey Nikolaev)

12.45 – 15.05 Background and OSIRIS

Chair Fausto Ortica

12.45 Results on acrylic radiopurity (Monica Sisti)

13.10 – 14.20 Lunch

14.20 Results from activation analysis of LAB (Massimiliano Nastasi)

14.40 Summary status of OSIRIS (Christoph Genster)

15.05 – 17.20 Computing and PMTs

(Chair — Gioacchino)

15.05 Juno distributed computing infrastructure status (Giuseppe Andronico)

15.25 JUNO computing model status (Agnese Marini)

15.45 Status of the sPMT system (Cedric Cerna)

16.10 – 16.10 Coffee break

16.30 Considerations on small area PMTs (Bayarto Lubsandorzhiev)

16.50 Status of PMT testing (Tobias Sterr)

17.10 – 18.10 Closing session

(Chair – Gioacchino Ranucci)

17.10 Proposal of a more formal European coordination by establishing a coordination body with

representatives of the European groups

17.30 Collaboration and group papers

17.45 Next meetings and scheme of the next one at Nantes

18.00 AOB

18.10 End of the Meeting

JUNO Funding Committee Meeting

Faculty of Physics, Moscow State University, Moscow, 18 October, 2019

18 October, Friday

09.00 Introduction

09.05 Presentation of all present members

09.20 Status report of JUNO

      • Recommendations of the JUNO International Scientific Committee
      • Common Fund
      • JUNO-TAO
      • Computing

10.30 – 10.45 Coffee break

10.45 Discussion on JUNO status report

11.30 Discussion with all Funding Agencies and institutions

(funding situation, future plans, “near” detector, issues, etc.)

12.00 Next steps

12:30 End of the Meeting