Neutrino Group of Livia Ludhova

The Group Members

Head of the Group

Prof. Dr. Dr. Livia Ludhova Focus of Research: Livia Ludhova is specialized in low-energy neutrino physics with large-volume liquid-scintillator detectors. She is a member of the Borexino collaboration since 2005 and currently serves in a role of its physics co-coordinator. She joined the JUNO collaboration in 2014 and is a member of its Executive Board. Livia Ludhova has a long-term experience with the measurement of solar neutrinos and geoneutrinos. Contact: Phone: +49 2461 61 4280 E-mail: Personal Travel and Photography Web: www.livialudhova.com

Post Docs

Dr. Yury Malyshkin January 2023 - Present (Postdoctoral Research Associate) Focus of research: Data quality monitoring, precise measurement of neutrino oscillation parameters, determination of mass ordering and study of the geoneutrino signal in JUNO. Contact: Phone: E-mail:

Apeksha Singhal M.Sc. December 2024 - Present (Postdoctoral Research Associate) December 2020 - Nov 2024 (Doctoral student) Thesis Title: Data analysis for solar neutrinos: Final CNO measurement exploiting the directionality method with Borexino and JUNO’s potential for solar neutrino measurement. November 2019 - November 2020 (Master student) Master Thesis: Observation of CNO solar neutrinos with the Borexino Experiment Contact: Phone: +49 2461 61 4123 E-mail:

Doctoral Students

Mariam Rifai M.Sc. September 2020 - Present, Doctoral student at RWTH Aachen university Thesis Title: Reconstruction in large volumes of liquid scintillator. Co-supervisor: Prof. Xianguo Lu, Warwick university Contact: Phone: +49 2461 61 4735 E-mail:

Cristobal Ignacio Morales Reveco M.Sc. January 2023 - Present, Doctoral Student at RWTH Aachen university Thesis Title:The JUNO Experiment: Physics potential and first data analysis Contact: Phone: +49 2461 61 4735 E-mail:

Marco Malabarba M.Sc. July 2023 - Present, Doctoral Student at JGU Mainz university Thesis Title: Solar neutrino spectroscopy with the JUNO experiment Contact: Phone: +49 2461 61 4123 E-mail:

Ujwal Konissery Santhosh M.Sc. March 2024 - Present, Doctoral Student at JGU Mainz university Thesis Title: Solar neutrino studies in the JUNO experiment Contact: Phone: +49 2461 61 4123 E-mail:

Ze Chen M.Sc. April 2024 - Present, Doctoral Student at JGU Mainz university Thesis Title: IBD cut selection in the JUNO experiment with real data Contact: Phone: +49 2461 61 4123 E-mail:

Tim Nicolas Charissé M.Sc. July 2024 - Present, Doctoral Student at JGU Mainz university Thesis Title: Towards a detection of the Diffuse Supernova Neutrino Background in JUNO Co-supervisor: Prof. Michael Wurm Contact: E-mail:

Sahar Safari M.Sc. November 2024 - Present, Doctoral Student at JGU Mainz university in Prof. Michael Wurm's group Thesis Title: Analysis of atmospheric neutrinos in JUNO experiment Co-supervisor: Prof. Livia Ludhova Contact: E-mail:

Former group members

Post Docs

Dr Hexi SHI (Kaku) March 2023 - August 2024 (Postdoctoral Research Associate) Focus of research: Sensitivity study of geoneutrino and neutrino mass ordering, Geant4 Monte Carlo simulation in JUNO experiment. Following position: Post-doc at Roma Tre University, Rome, Italy. Contact: Phone: +49 2461 61 4123 E-mail:

Dr. Nafis Rezwan Khan Chowdhury June 2022 - September 2022 (Postdoctoral Research Associate) Focus of research: Event reconstruction in JUNO and measurement of NMO sensitivity. Contact: Phone: +49 2461 61 3723 E-mail:

Dr. Ömer Penek August 2020 - July 2022 (Postdoctoral Research Associate) Focus of research: Sensitivity and Updated Analysis of CNO cycle solar neutrinos with Borexino. Combined analysis of ten years of Borexino data. December 2016 - July 2020 (Doctoral student) Thesis title: Measurement of pp and CNO Cycle Solar Neutrinos with Borexino Following position: Senior Postdoctoral Research Associate - Boston University, USA - Neutrinoless Double Beta Decay Research. Contact: Phone: +49 2461 61 4123 E-mail:

Dr. Philipp Kampmann August 2020 - April 2022 (Postdoctoral Research Associate) Focus of research: Development of the OSIRIS data acquisition software and calibration systems and event reconstruction of the JUNO experiment December 2016 - July 2020 (Doctoral student) Doctoral thesis: Energy scale non-linearity and event reconstruction for the neutrino mass ordering measurement of the JUNO experiment Following position: C++ Software Developer for Linux at IPERTRONIK GmbH & Co KG. Contact: Phone: +49 2461 61 4735 E-mail:

Dr. Giulio Settanta November 2019 - August 2021 (Postdoctoral Research Associate) Focus of Research: Borexino fit of the solar neutrino spectrum and atmospheric neutrino physics with JUNO. Following position: III level Researcher at "Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA)" Rome, Italy Contact: Phone: +49 2461 61 6334 E-mail:

Dr. Christoph Genster July 2019 - March 2020 (Postdoctoral Research Associate) Focus of Research: The Low Level Data Reconstruction Algorithms for the JUNO Experiment January 2016 - June 2019 (Doctoral Student) Following position: System Engineer at Dermalog Identification Systems GmbH Contact: Phone: +49 2461 61 4735 E-mail:

Dr. Zara Bagdasarian May 2016 - February 2020 (Postdoctoral Research Associate) Focus of Research: Involved in the Borexino fit of the whole solar neutrino spectrum, an update of the geoneutrino measurements and supernova searches. Following position: Postdoctoral scholar at University of California, Berkeley, USA Contact: Phone: +49 2461 61 3723 E-mail:

Dr. Yaping Cheng March 2017 - March 2019 (Postdoctoral Research Associate) Focus of Research: Involved in the Daya Bay PMT gain calibration Rolling Gain calibration method and the after-pluse testing of new concept MCP-PMT R&D, studied positronium state in liquid scintillator. Working on the waveform reconstruction method development in the early stage of JUNO experiment. Now working on the low energy track reconstruction in large liquid scintillator. Following position: Engineer at Beijing Institute of Spacecraft Environment Engineering Contact: Phone: +49 2461 61 6334 E-mail:

Doctoral students

Luca Pelicci M.Sc. November 2020 - May 2024 Thesis Title: Measurements of astrophysical neutrinos and neutrino properties in liquid scintillators. Following position: Post-doc at Milano University, Milano, Italy. Contact: Phone: +49 2461 61 4123 E-mail:

Runxuan Liu M.Sc. August 2019 - October 2023 Thesis Title: Neutrino physics with JUNO: setup of the OSIRIS pre-detector and data analysis Also known as Ricky Contact: Phone: +49 2461 61 4735 E-mail:

Cornelius Vollbrecht M.Sc. September 2019 - October 2023 Thesis Title: Hardware development and data analysis for the JUNO and OSIRIS detectors. Following position: Software-focused production engineer at a radiological instrument company. Contact: Phone (Jülich): +49 2461 61 4735 Phone (Aachen): +49 241 80 27328 E-mail:

Nikhil Mohan M.Sc. October 2021 - May 2023 (Doctoral student) Thesis Title: Neutrino Physics with the JUNO detector - Determination of Neutrino Mass Ordering. Contact: Phone: +49 2461 61 4735 E-mail:

Anita Meraviglia M.Sc. May 2022 - February 2023 (Doctoral student) Thesis Title: Low-energy neutrino physics and neutrino properties with the JUNO experiment April 2021 - September 2021 (Master student part of Erasmus+Traineeship program) Thesis Title: Sensitivity to 7Be, pep and CNO solar neutrinos detection with the JUNO experiment Following position: Research staff at Institut für Technische Verbrennung - RWTH Aachen University Contact: Phone: +49 2461 61 4735 E-mail:

Sindhujha Kumaran M.Sc. October 2018 - March 2022 (Doctoral student) Thesis Title: Geoneutrinos and solar neutrinos with the Borexino experiment September 2017 - September 2018 (Master student) Master Thesis: Updated geoneutrino measurement with the Borexino detector Following position: Postdoctoral scholar at University of California Irvine, USA Contact: Phone: +49 2461 61 4123 E-mail:

Alexandre S. Göttel M.Sc. November 2018 - April 2022 (Doctoral student) Thesis Title: Solar neutrino detection: CNO discovery with Borexino and preparations for success in JUNO and OSIRIS. Following position: Research Associate at Cardiff University, UK Contact: Phone: +49 2461 61 4735 E-mail:

Yuhang Guo M.Sc. September 2019 - October 2020 (Doctoral student) Thesis Title: Design of the guide tube calibration system and search for proton decay in the JUNO Experiment. Following position: Permanent position as an Engineer at Nuclear Power Institute of China Contact: Phone: +49 2461 61 4735 E-mail:

Dr. Ömer Penek August 2020 - July 2022 (Postdoctoral Research Associate) Focus of research: Sensitivity and Updated Analysis of CNO cycle solar neutrinos with Borexino. Combined analysis of ten years of Borexino data. December 2016 - July 2020 (Doctoral student) Thesis title: Measurement of pp and CNO Cycle Solar Neutrinos with Borexino Following position: Senior Postdoctoral Research Associate - Boston University, USA - Neutrinoless Double Beta Decay Research. Contact: Phone: +49 2461 61 4123 E-mail:

Dr. Philipp Kampmann August 2020 - April 2022 (Postdoctoral Research Associate) Focus of research: Development of the OSIRIS data acquisition software and calibration systems and event reconstruction of the JUNO experiment December 2016 - July 2020 (Doctoral student) Doctoral thesis: Energy scale non-linearity and event reconstruction for the neutrino mass ordering measurement of the JUNO experiment Following position: C++ Software Developer for Linux at IPERTRONIK GmbH & Co KG. Contact: Phone: +49 2461 61 4735 E-mail:

Yu Xu M.Sc. January 2017 - July 2020 (Doctoral student) Thesis Title: Event reconstruction with deep learning method in JUNO. Contact: Phone: +49 2461 61 4735 E-mail:

Dr. Mariia Redchuk October 2016 - June 2020 (Doctoral student) Thesis Title: Looking inside the Sun with the Borexino experiment: detection of solar neutrinos from the proton-proton chain and the CNO cycle. Following position: INFN Postdoctoral Fellowship Programme for non-Italian citizens (INFN Padova) Contact: E-mail:

Michaela Schever M.Sc. April 2016 - September 2019 (Doctoral student) Thesis Title: Towards the energy estimators and pulse shape variables in JUNO experiment. Contact: Phone: +49 2461 61 4735 E-mail:

Dr. Christoph Genster July 2019 - March 2020 (Postdoctoral Research Associate) Focus of Research: The Low Level Data Reconstruction Algorithms for the JUNO Experiment January 2016 - June 2019 (Doctoral Student) Following position: System Engineer at Dermalog Identification Systems GmbH Contact: Phone: +49 2461 61 4735 E-mail:

Master students

Antonia Weßel B.Sc. May 2021 - April 2022 (Master student) Thesis Title: Directionality measurement of solar neutrinos Following position: Associate for KPMG at the intersection of finance and data science Contact: Phone: +49 2461 61 4123 E-mail:

Sale-Iti Kroon B.Sc. November 2018 - November 2019 (Master student) Thesis Title: Towards CNO measurement with Borexino: 210-Bismuth homogeneity in the liquid scintillator. Following position: IT developer at HEISI IT Contact: Phone: +49 2461 61 4123 E-mail:

Dong Han B.Sc. October 2017 - October 2018 (Master student) Thesis Title: Update of the geoneutrino measurement with the Borexino detector. Contact: Phone: +49 2461 61 4123 E-mail:

Rikhav Shah M.Sc. September 2017 - September 2018 (Master student) Thesis Title: Study of trigger setup for the JUNO experiment. Following position: Doctoral student, Experimental Particle Physics, Group of Prof. Dr. Matthias Schott at JGU Mainz, shared position with DESY, Hamburg Contact: Phone: +49 2461 61 4735 E-mail:

Bachelor students

Lukas Brusa December 2020 - March 2021 (Bachelor student) Thesis Title: CNO solar neutrino analysis with Borexino. Contact: Phone: +49 2461 61 4123 E-mail:

Lars Ebsen B. Sc. June-September 2018 (Bachelor student) Thesis Title: Study of track direction reconstruction in liquid scintillator detector. Contact: Phone: +49 2461 61 6334 E-mail: