https://doi.org/10.1140/epjc/s10052-023-12168-5
Review
Feebly-interacting particles: FIPs 2022 Workshop Report
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Département de Physique Nucléaire et Corpusculaire, Université de Genève, Geneva, Switzerland
2
Istituto Nazionale di Fisica Nucleare, Sezione di Genova, 16146, Genoa, Italy
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Department of Physics, Duke University, Durham, NC, USA
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The University of Sydney, Physics, A28 Physics Road, 2006, Camperdown, NSW, Australia
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Blackett Laboratory, Imperial College London, Prince Consort Road, SW7 2AZ, London, UK
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Laboratoire d’Annecy-le-Vieux de Physique Théorique (LAPTh), CNRS, 74000, Annecy, France
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Department of Physics, The Oskar Klein Centre, Stockholm University, 106 91, Stockholm, Sweden
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Department of Physics and Astronomy, University of Iowa, 52242, Iowa City, IA, USA
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Laboratoire Kastler Brossel, CNRS, ENS-PSL, Collège de France, Sorbonne Université, 4 Place Jussieu, 75005, Paris, France
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Instituto de Física Teórica UAM/CSIC, Universidad Autónoma de Madrid, Cantoblanco, Calle de Nicolás Cabrera 13-15, 28049, Madrid, Spain
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ETH Zurich, Institute for Particle Physics and Astrophysics, Auguste-Piccard-Hof 1, 8093, Zurich, Switzerland
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Institut für Astroteilchenphysik, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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Institut de Physique des 2 Infinis de Lyon (IP2I), UMR5822, CNRS/IN2P3, 69622, Villeurbanne Cedex, France
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Eotvos Lorand University, Budapest, Hungary
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Department of Physics and Astronomy, University College London, Gower Street, WC1E 6BT, London, UK
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CERN, 1 Esplanade des Particules, 1211, Geneva 23, Switzerland
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Centre for Cosmology, Particle Physics and Phenomenology, Université catholique de Louvain, 1348, Louvain-la-Neuve, Belgium
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California Institute of Technology, 91125, Pasadena, CA, USA
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School of Physics, University of New South Wales, 2052, Sydney, Australia
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Laboratori Nazionali di Frascati, Via Enrico Fermi 54, 00044, Frascati, Rome, Italy
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Department of Chemistry and Physics, Barry University, Miami Shores, USA
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Departament de Fisica Quantica i Astrofisica and Institut de Ciencies del Cosmos, Universitat de Barcelona, Diagonal 647, 08028, Barcelona, Spain
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Institució Catalana de Recerca i Estudis Avancats, Barcelona, Pg. Lluis Companys 23, 08010, Barcelona, Spain
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C.N. Yang Institute for Theoretical Physics, Stony Brook University, 11794-3849, Stony Brook, NY, USA
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Department of Physics, University of California Santa Cruz, 1156 High St., 95064, Santa Cruz, CA, USA
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Santa Cruz Institute for Particle Physics, 1156 High St., 95064, Santa Cruz, CA, USA
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School of Physics and Astronomy, University of Birmingham, Edgbaston, B15 2TT, Birmingham, UK
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Dipartimento di Fisica e Astronomia, Università di Bologna, Via Irnerio 46, 40126, Bologna, Italy
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INFN, Sezione di Bologna, Viale Berti Pichat 6/2, 40127, Bologna, Italy
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School of Physics and Astronomy, Cardiff University, CF243AA, Cardiff, UK
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Conservatoire National des Arts et Métiers, Paris, France
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Centro de Física Teorica de Particulas (CFTP), Instituto Superior Tecnico (IST), Universidade de Lisboa, 1049-001, Lisbon, Portugal
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Laboratory for Nuclear Science, Massachusetts Institute of Technology, 02139, Cambridge, MA, USA
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Department of Physics and Astronomy, University of British Columbia, Vancouver, BC, Canada
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Institute of Particle Physics, Victoria, BC, Canada
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Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607, Hamburg, Germany
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Perimeter Institute for Theoretical Physics, N2J 2W9, Waterloo, ON, Canada
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School of Physics and Astronomy, University of Minnesota, 55455, Minneapolis, MN, USA
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William I. Fine Theoretical Physics Institute, School of Physics and Astronomy, University of Minnesota, 55455, Minneapolis, MN, USA
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Service de Physique Théorique, Université Libre de Bruxelles, C.P. 225, 1050, Brussels, Belgium
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Institute for Theoretical Particle Physics (TTP), Karlsruhe Institute of Technology (KIT), 76128, Karlsruhe, Germany
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Institut für theoretische Physik, Universität Bern, Bern, Switzerland
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Ghent University, Sint-Pietersnieuwstraat 33, 9000, Ghent, Belgium
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PRISMA Cluster of Excellence and Mainz Institute for Theoretical Physics, Johannes Gutenberg University, Staudingerweg 7, 55099, Mainz, Germany
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Center for Axion and Precision Physics Research, Institute for Basic Science, 34051, Daejeon, Republic of Korea
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Affiliated with an Institute Covered by a Cooperation Agreement with CERN, Geneva, Switzerland
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Department of Physics, Brown University, 02912, Providence, RI, USA
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Instituto de Física Corpuscular, Universidad de Valencia and CSIC, Edificio Institutos de Investigación, Calle Catedrático José Beltrán 2, 46980, Paterna, Spain
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Physics Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
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Department of Physics, The University of Winnipeg, R3B 2E9, Winnipeg, MB, Canada
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Fysikum, Stockholms Universitet, 10691, Stockholm, Sweden
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SISSA, Via Bonomea 265, 34136, Trieste, Italy
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INFN, Sezione di Trieste, Via Valerio 2, 34127, Trieste, Italy
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Kavli IPMU (WPI), UTIAS, The University of Tokyo, 277-8583, Kashiwa, Chiba, Japan
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Department of Physics, Lund University, Professorsgatan 1, 22363, Lund, Sweden
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Universitá La Sapienza e INFN, Sezione di Roma 1, Rome, Italy
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Uppsala University, Uppsala, Sweden
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The University of Manchester, M13 9PL, Manchester, UK
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Department of Physics, Illinois Center for Advanced Studies of the Universe, University of Illinois Urbana-Champaign, 61801, Urbana, IL, USA
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Department of Mathematical Sciences, University of Liverpool, L69 7ZL, Liverpool, UK
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Theoretical Division, Los Alamos National Laboratory, 87545, Los Alamos, NM, USA
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Departamento de Física Teórica and Instituto de Física Teórica UAM/CSIC, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain
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SLAC National Accelerator Laboratory, 2575 Sand Hill Road, 94025, Menlo Park, CA, USA
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Fermi National Accelerator Laboratory, 60563, Batavia, IL, USA
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Karlsruhe Institute of Technology (KIT), 76128, Karlsruhe, Germany
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Institut für Experimentalphysik, Heinrich Heine Universität, 40225, Düsseldorf, Germany
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RIKEN, Fundamental Symmetries Laboratory, Wako, Saitama, Japan
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TRIUMF, 4004 Wesbrook Mall, V6T 2A3, Vancouver, Canada
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Department of Physics, Oskar Klein Centre, Stockholm University, 10691, Stockholm, Sweden
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Department of Physics, Texas Center for Cosmology and Astroparticle Physics, Weinberg Institute for Theoretical Physics, University of Texas, 78712, Austin, TX, USA
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Physics Department, Science and Art Faculty, Cukurova University, Adana, Turkey
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Centro de Astropartículas y Física de Altas Energías (CAPA), Universidad de Zaragoza, 50009, Zaragoza, Spain
y
MGiannotti@barry.edu
ax
Gaia.Lanfranchi@lnf.infn.it
bx
yevgenystadnik@gmail.com
Received:
5
June
2023
Accepted:
6
October
2023
Published online:
11
December
2023
Particle physics today faces the challenge of explaining the mystery of dark matter, the origin of matter over anti-matter in the Universe, the origin of the neutrino masses, the apparent fine-tuning of the electro-weak scale, and many other aspects of fundamental physics. Perhaps the most striking frontier to emerge in the search for answers involves new physics at mass scales comparable to familiar matter, below the GeV-scale, or even radically below, down to sub-eV scales, and with very feeble interaction strength. New theoretical ideas to address dark matter and other fundamental questions predict such feebly interacting particles (FIPs) at these scales, and indeed, existing data provide numerous hints for such possibility. A vibrant experimental program to discover such physics is under way, guided by a systematic theoretical approach firmly grounded on the underlying principles of the Standard Model. This document represents the report of the FIPs 2022 workshop, held at CERN between the 17 and 21 October 2022 and aims to give an overview of these efforts, their motivations, and the decadal goals that animate the community involved in the search for FIPs.
Editorial Team: J. Beacham, A. De Roeck, M. Drewes, B. Echenard, M. Giannotti, J. Klaric, G. Lanfranchi, J. Lopez-Pavon, S. Pascoli, Y. V. Stadnik.
© The Author(s) 2023
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