The Fundamental Nuclear and Particle Physics at the ESS workshop
Lund University Fysiska Institutionen
The ESS is presently under construction in Lund, Sweden, and is scheduled to start operating as a multi-disciplinary international laboratory mid-2025. It will eventually be the world’s most powerful pulsed neutron source and simultaneously the worlds brightest pulsed neutrino source. The facility will provide a first neutron moderator, located above the spallation target, designed for high cold and thermal brightness and a second neutron moderator below the spallation target to provide higher intensities, and a shift to longer wavelengths neutrons in the spectral regions of Cold, Very Cold, and Ultra Cold neutrons. Neutrinos will be produced concurrently with the neutrons in the spallation target. In the future the ESS linear accelerator can also be used to produce a long-baseline neutrino beam.
This workshop will bring together the experimental fundamental neutron and neutrino science communities and specialists in all areas of the ESS facility. Brief overviews of the status of current and future experiments will be given, together with the anticipated timelines for reaching the experimental goals. In-depth theory reviews of the physics opportunities will be given, covering experiments using cold and ultra-cold neutrons produced from pulsed neutron sources, experiments exploiting the concurrently produced neutrinos, as well as a potential long-baseline neutrino beam. This will be followed by presentations of proposals for new experiments at the ESS. Presentations from ESS staff scientists will give detailed technical descriptions on the opportunities and the layout of the ESS experimental facilities and there will be plenty of opportunity to interact with ESS staff on the details of realizing the potential experiments.
Proposals for potential experiments at the ESS are being solicited to be presented during the workshop with an emphasis on the scientific impact of the measurement(s) and how it would be integrated into the ESS. The goal of the workshop is to issue a report that summarizes the unique science opportunities of the various proposals put forward by the scientific community for experiments at the ESS. The audience for the report will be ESS management and their advisory bodies, and advisory bodies of other neutron facilities world-wide that host fundamental nuclear and particle physics experiments.
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Welcome SessionConvener: Marcel Demarteau
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1
Welcome from Lund UniversitySpeaker: Pro Vice Chancellor Lund University
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3
ESS and Fundamental PhysicsSpeaker: Helmut Schober (European Spallation Source ERIC)
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4
ESS Status and PlansSpeaker: Giovanna Fragneto (European Spallation Source ERIC)
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6
Neutrinos, axions as probe of BSM PhysicsSpeaker: Matteo Cadeddu
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1
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10:30
Coffee Break
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Session 2Convener: Pieter Mumm
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12:40
Lunch University Cafeteria
University Cafeteria
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Session 3Convener: Brad Plaster
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10
Status and Challenges of nnbar oscillation ExperimentsSpeaker: Gustaaf Brooijmans (Columbia University)
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11
Status and Challenges of short range correlation ExperimentsSpeaker: Hartmut Abele (TU Wien)
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12
Status and Challenges of Neutrino and BSM Physics and neutron sourcesSpeaker: Kate Scholberg
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10
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15:00
Coffee Break
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Session 4Convener: Wolfram Korten
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14
ANNI 2Speaker: Bastian Märkish (Technische Universität München)
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16
HiBEAM technical overviewSpeaker: Valentina Santoro
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17:30
Evening Free Time
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Session 5Convener: ESS Visit
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17
Registration at ESSSpeaker: Valentina Santoro
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18
Tour of ESS ESS
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Speaker: ESS Team -
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Tram to University
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17
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10:15
Coffee Break
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Session 6Convener: Claes Fahlander
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20
Status and Prospects of the COHERENT physics program at the SNSSpeaker: Jason Newby
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23
Coherent Neutrino Scattering Physics at the ESS with gas detectorsSpeaker: Francesc Monrabel
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24
A Ramsey Neutron-Beam Experiment to Search for Ultralight Axion Dark Matter at ESSSpeaker: Yevgeny Stadnik
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20
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13:00
Lunch University Cafeteria
University Cafeteria
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Session 7Convener: Stéphanie Roccia
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15:45
Coffee Break
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Session 8Convener: Shinsuke Kawasaki
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29
QNeutron - A Future Interferometric Measurement of the Neutron Electric Charge for the ESSSpeaker: Philipp Heil
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30
Measurements of neutron decay correlations with electron tracking and electron spin determinationSpeaker: Dagmara Rozpedzik
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29
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Session 9Convener: Andy Saunders
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32
Neutron Lifetime with Pulsed Cold Neutron inside Superfluid HeliumSpeaker: Weijun Yao
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Exotic neutron decays in free neutron experimentsSpeaker: Bernhard Meirose
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32
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10:35
Coffee Break
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Session 10Convener: Raimund Strauß
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39
ESSnuSB Detectors and Physics reachSpeaker: Kaare Iversen
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40
The Accumulator and Target station Facility for the ESSnuSB experimentSpeaker: Eric Baussan
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12:35
Lunch University Cafeteria
University Cafeteria
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Session 11Convener: Bernhard Lauss
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41
A Low Energy Muon Storage Ring at ESS for neutrino cross-section measurementsSpeaker: Ting Choi
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42
A Monitored neutrino Beam at the European Spallation SourceSpeaker: Francesco Terranova
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43
Moderator ideas for fundamental physicsSpeaker: Valentina Santoro
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45
Moderator optimisation for a spallation-driven ultracold-neutron source using superfluid heliumSpeaker: Wolfgang Schreyer
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46
Epithermal and high-energy neutron beams for fundamental physics at ESSSpeaker: Luca Zanini
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41
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15:30
Coffee Break
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Session 12: Closing RemarksConvener: Marcel Demarteau
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47
Workshop Close
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16:05
Safe travels!
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