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| CNRS LAPP | |
|---|---|
| Name | Laboratoire d’Annecy de Physique des Particules |
| Native name | Laboratoire d’Annecy de Physique des Particules |
| Established | 1976 |
| Type | Research laboratory |
| Location | Annecy, Haute-Savoie, France |
| Affiliations | Centre national de la recherche scientifique, Université Savoie Mont Blanc, Institut national de physique nucléaire et de physique des particules |
CNRS LAPP Le Laboratoire d’Annecy de Physique des Particules is a French particle physics laboratory located in Annecy, Haute-Savoie. The laboratory is associated with national and regional institutions and participates in major international experiments, hosting activities in detector development, data analysis, and theoretical interpretation. Researchers at the laboratory contribute to a broad set of projects spanning collider physics, neutrino physics, astroparticle physics, and accelerator technology.
The laboratory traces its origins to research groups linked to Université Savoie Mont Blanc and national initiatives by the Centre national de la recherche scientifique and Institut national de physique nucléaire et de physique des particules in the 1970s. LAPP personnel have been involved in milestone experiments at facilities such as CERN, SLAC National Accelerator Laboratory, and DESY, and have contributed to projects connected to the Large Hadron Collider, Super-Kamiokande, and Pierre Auger Observatory. Over decades the laboratory evolved alongside technological advances in silicon detectors, calorimetry, and computing, while interacting with European networks like IN2P3 collaborations and national programs coordinated with the Commissariat à l'énergie atomique et aux énergies alternatives. Historical links include participation in experiments influenced by figures and projects such as François Englert, Peter Higgs, ALEPH, and LEP infrastructures.
LAPP operates under the administrative oversight of national research agencies and a host university, coordinating scientific strategy with entities including CNRS, Université Savoie Mont Blanc, and regional authorities. Governance involves departmental groupings for experimental physics, instrumentation, and computing, interfacing with advisory bodies from experiments like ATLAS, CMS, and collaborations at Fermilab. Management interacts with funding and oversight organizations such as the Agence nationale de la recherche, European funding mechanisms like Horizon 2020, and intergovernmental laboratories exemplified by CERN Council structures. Institutional links extend to technology-transfer partners such as CEA and to educational bodies like the École normale supérieure and Université Grenoble Alpes.
The laboratory’s research spans experimental and technical domains: collider physics in association with ATLAS and LHCb; neutrino physics tied to T2K and DUNE; astroparticle studies connected to IceCube, ANTARES, and CTA; precision instrumentation for projects like ALICE; and accelerator R&D with groups at ESRF and ITER affiliates. LAPP teams work on detector subsystems such as pixel trackers, calorimeters, and timing layers relevant to HL-LHC upgrades and silicon developments pioneered in collaborations with RD51 and CERN Medipix. The laboratory’s computing efforts contribute to distributed analysis via Worldwide LHC Computing Grid, high-performance computing centers, and software frameworks inspired by ROOT and Geant4.
On-site facilities include laboratories for microelectronics and detector assembly, clean rooms for silicon integration, cryogenic setups used in low-temperature tests, and calibration benches for photodetectors and calorimetry. Instrumentation development aligns with technologies such as silicon photomultipliers, avalanche photodiodes, and readout ASICs influenced by projects like NA62 and Belle II. Test-beam campaigns have been conducted at external facilities such as PS and SPS beamlines at CERN, DESY test beams, and accelerator test facilities like CEA Saclay installations. Precision metrology and vacuum systems support R&D for superconducting magnet tests in collaboration with laboratories that host LHC magnet programs.
LAPP maintains memberships and long-term partnerships across international collaborations: major experiments at CERN (notably ATLAS, LHCb, ALICE), neutrino consortia like Hyper-Kamiokande and DUNE, astroparticle networks including Pierre Auger Observatory and CTA Consortium, and accelerator institutes such as INFN and DESY. Industrial partnerships involve companies in microelectronics and photonics active in the Auvergne-Rhône-Alpes region and national technology-transfer offices linked to SATT entities. The laboratory also participates in European research infrastructures coordinated through ESFRI and educational exchanges with institutions such as École Polytechnique and Université de Genève.
LAPP hosts doctoral students and postdoctoral researchers registered at partner universities including Université Savoie Mont Blanc and collaborates on master’s programs with schools like INP Grenoble and Institut Polytechnique de Grenoble. The laboratory provides training in detector physics, data analysis, and software engineering, contributing to public outreach via exhibitions, open days, and participation in regional science festivals connected to institutions such as the Palais de l'Isle and local museums. Outreach activities include seminars for secondary schools, contributions to citizen-science initiatives related to projects like Cosmic-ray detection demonstrations, and interactions with regional cultural partners.
LAPP scientists have been notably involved in contributions to the discovery of the Higgs boson at LHC experiments, precision measurements of electroweak parameters related to legacy data from LEP experiments, and neutrino oscillation analyses connected to T2K and Super-Kamiokande. Instrumentation achievements include developments in silicon detector technologies used in ATLAS upgrades and timing detectors for HL-LHC, as well as contributions to photon detection systems in IceCube and ANTARES infrastructures. The laboratory’s work has been part of collaborations that received recognition through awards and citations linked to Nobel-associated discoveries such as those acknowledged for François Englert and Peter Higgs.
Category:Research institutes in France Category:Particle physics laboratories