Feebly-interacting particles: FIPs 2020 workshop report
P. Agrawal,Martin Bauer,James Baker Beacham,Asher Berlin,Alexey Boyarsky,S. Cebrián,X. CidVidal,David D'Enterria,A. De Roeck,Marco Drewes,B. Echenard,Maurizio Giannotti,Gian F. Giudice,S. N. Gninenko,S. Gori,Evgueni Goudzovski,Julian Heeck,Pilar Hernández,M. Hostert,M. Hostert,I. G. Irastorza,A. Izmaylov,Joerg Jaeckel,Felix Kahlhoefer,Simon Knapen,Gordan Krnjaic,G. Lanfranchi,Jocelyn Monroe,V. I. Martinez Outschoorn,Jacobo Lopez-Pavon,Silvia Pascoli,Silvia Pascoli,Maxim Pospelov,D. Redigolo,D. Redigolo,Andreas Ringwald,Oleg Ruchayskiy,Joshua T. Ruderman,Joshua T. Ruderman,H. Russell,Jakob Salfeld-Nebgen,Philip Schuster,Mikhail Shaposhnikov,Lesya Shchutska,J. Shelton,Yotam Soreq,Yevgeny V. Stadnik,J. Swallow,Kohsaku Tobioka,Kohsaku Tobioka,Yu-Dai Tsai,Yu-Dai Tsai +51 more
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TL;DR: FIPs 2020 as mentioned in this paper was the first workshop dedicated to the physics of feebly-interacting particles and was held virtually from 31 August to 4 September 2020 at CERN, where experts from collider, beam dump, fixed target experiments, as well as from astrophysics, axions/ALPs searches, current/future neutrino experiments, and dark matter direct detection communities participated.
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Abstract: With the establishment and maturation of the experimental programs searching for new physics with sizeable couplings at the LHC, there is an increasing interest in the broader particle and astrophysics community for exploring the physics of light and feebly-interacting particles as a paradigm complementary to a New Physics sector at the TeV scale and beyond. FIPs 2020 has been the first workshop fully dedicated to the physics of feebly-interacting particles and was held virtually from 31 August to 4 September 2020. The workshop has gathered together experts from collider, beam dump, fixed target experiments, as well as from astrophysics, axions/ALPs searches, current/future neutrino experiments, and dark matter direct detection communities to discuss progress in experimental searches and underlying theory models for FIPs physics, and to enhance the cross-fertilisation across different fields. FIPs 2020 has been complemented by the topical workshop "Physics Beyond Colliders meets theory", held at CERN from 7 June to 9 June 2020. This document presents the summary of the talks presented at the workshops and the outcome of the subsequent discussions held immediately after. It aims to provide a clear picture of this blooming field and proposes a few recommendations for the next round of experimental results.
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The Forward Physics Facility at the High-Luminosity LHC
Jonathan L. Feng,Felix Kling,Mary Hall Reno,Juan Rojo,Dennis Soldin,Luis A. Anchordoqui,Jamie Boyd,Ahmed Ismail,Lucian Harland-Lang,K. Kelley,Vishvas Pandey,Sebastian Trojanowski,Y. T. Tsai,J. M. Alameddine,T. Araki,Akitaka Ariga,Tomoko Ariga,Kento Asai,Alessandro Bacchetta,Kincso Balazs,Alan Barr,M. Battistin,Jianming Qian,Caterina Bertone,Weidong Bai,Pouya Bakhti,A. B. Balantekin,Basabendu Barman,Brian Batell,Martin Bauer,B. Bauer,Matthew R. Becker,Asher Berlin,Enrico Bertuzzo,A. Bhattacharya,Marco Bonvini,Stewart Boogert,Alexey Boyarsky,Joseph Bramante,Vedran Brdar,Adrian Carmona,David William Casper,Francesco Giovanni Celiberto,F. Cerutti,Grigorios Chachamis,Garv Chauhan,Matthew Citron,Emanuele Copello,J P Corso,Luc Darm'e,Raffaele Tito D'Agnolo,Neda Darvishi,Arindam Das,G. De Lellis,A. De Roeck,J. J. De Vries,H. Dembinski,Sergei Demidov,Patrick deNiverville,Peter B. Denton,Frank F. Deppisch,P. S. Bhupal Dev,A. Di Crescenzo,Keith R. Dienes,M. V. Diwan,Herbi K. Dreiner,Yongxu Du,Bhaskar Dutta,P. Duwentaster,L. Michel Elie,Sebastian A. R. Ellis,Rikard Enberg,Yasaman Farzan,Max Fieg,Ana Foguel,Patrick Foldenauer,Saeid Foroughi-Abari,Jean-François Fortin,Alexander Friedland,Elina Fuchs,M. Fucilla,Kai Gallmeister,Alfonso Garcia,C. A. García Canal,Maria Vittoria Garzelli,R. Gauld,Sumit Ghosh,Anish Ghoshal,Stephen Gibson,Francesco Giuli,Victor P. Goncalves,Dmitry Gorbunov,Srubabati Goswami,S Grau,Julian Y. Gunther,Marco Guzzi,Andrew R. Haas,Timo Hakulinen,Steven P. Harris,Julia Harz,Juan Carlos Herrera,Christopher S. Hill,Martin Hirsch,Timothy Hobbs,S. Hoche,Andrzej Hryczuk,Fei Huang,Tomohiro Inada,Angelo Infantino,Ameen Ismail,R. Jacobsson,Sudip Jana,Yu Seon Jeong,Tomas Jevzo,Yong woo Jho,Krzysztof Jodłowski,Dmitry Kalashnikov,Timo J. Karkkainen,C. E. Keppel,Jong-Kuk Kim,Michael Klasen,S. R. Klein,Pyungwon Ko,Dominik Kohler,Masahiro Komatsu,K. Kovavr'ik,Suchita Kulkarni,Jason Kumar,Karan Kumar,Jui-Lin Kuo,Frank Krauss,Aleksander Kusina,Maxim Laletin,Chiara Le Roux,Seung Jin Lee,Hye-Sung Lee,Helena Lefebvre,Jinmian Li,Shuailong Li,Yi-Chen Li,Wei J Liu,Zhen Li,Mickael Lonjon,Kun-Feng Lyu,Rafal Maciula,Roshan Mammen Abraham,M.R. Masouminia,Josh Mcfayden,Oleksii Mikulenko,Mohammed M. A. Mohammed,Kirtimaan A. Mohan,Jorge G. Morfin,Ulrich Mosel,Martin Mosny,K. F. Muzakka,Pavel Nadolsky,Toshiyuki Nakano,Saurabh Nangia,A. Navascues Cornago,Laurence Nevay,P. Ninin,Emanuele R. Nocera,Takaaki Nomura,R Nunes,Nobuchika Okada,Fredrick I. Olness,J. P. Osborne,Hidetoshi Otono,Maksym Ovchynnikov,Alessandro Papa,Junle Pei,G. Peón,Gilad Perez,L. Pickering,S. Platzer,Ryan Plestid,Tanmay Kumar Poddar,Mudit Rai,Meshkat Rajaee,Digesh Raut,Peter Reimitz,Filippo Resnati,Wolfgang Rhode,Peter J. Richardson,Adam Ritz,Hiroki Rokujo,Leszek Roszkowski,Tim Ruhe,Richard Ruiz,M. Sabaté-Gilarte,Alexander Sandrock,Ina Sarcevic,S. Sarkar,Osamu Sato,Christiane Scherb,Ingo Schienbein,Holger Schulz,Pedro Schwaller,S. J. Sciutto,Dipan Sengupta,Lesya Shchutska,Takashi Shimomura,Federico Silvetti,Kuver Sinha,Torbjorn Sjostrand,Jan T. Sobczyk,Huayang Song,Jorge F. Soriano,Yotam Soreq,Anna Stasto,David Stuart,Shufang Su,Wei Sun,Antoni Szczurek,Zahra Tabrizi,Yosuke Takubo,Marco Taoso,Brooks Thomas,P.A. Thonet,Douglas Tuckler,Agustin Sabio Vera,H. Vincke,K. N. Vishnudath,Zeren Simon Wang,M. Winkler,Wen Chao Wu,Keping Xie,Xun-Jie Xu,Tevong You,Ji-Young Yu,Jiang-Hao Yu,Korinna Zapp,Yongchao Zhang,Yue Zhang,Guanghui Zhou,R. Zukanovich Funchal +235 more
TL;DR: The Forward Physics Facility (FPF) as mentioned in this paper is a suite of experiments to probe standard model processes and search for physics beyond the standard model (BSM) beyond the acceptance of existing LHC experiments.
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The present and future status of heavy neutral leptons
Asli Abdullahi,Pablo Barham Alzás,Brian Batell,James Beacham,Alexey Boyarsky,Saneli Carbajal,Animesh Chatterjee,J. I. Crespo-Anadón,Frank F. Deppisch,A. De Roeck,Marco Drewes,Alberto Martin Gago,R. Gonzalez Suarez,Evgueni Goudzovski,A. Hatzikoutelis,Josu Hernandez-Garcia,M. Hostert,Marco Hufnagel,Philip Ilten,A. Izmaylov,K. Kelley,Juraj Klaric,Joachim Kopp,Suchita Kulkarni,M. Lamoureux,G. Lanfranchi,Jacobo Lopez-Pavon,Oleksii Mikulenko,Michael Mooney,Miha Nemevšek,Maksym Ovchynnikov,Silvia Pascoli,Ryan Plestid,Mohamed Rashad Darwish,Federico Leo Redi,Oleg Ruchayskiy,Richard Ruiz,Mikhail Shaposhnikov,Lesya Shchutska,Ian M. Shoemaker,Robert Shrock,Alex Sousa,N. Van Remortel,Vsevolod Syvolap,V. Takhistov,J. L. Tastet,Inar Timiryasov,Aaron C. Vincent,Jaehoon Yu +48 more
TL;DR: The existence of nonzero neutrino masses points to the likely existence of multiple Standard Model neutral fermions, referred to as heavy neutral leptons (HNLs) as discussed by the authors .
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Toward the discovery of matter creation with neutrinoless <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>β</mml:mi><mml:mi>β</mml:mi></mml:math> decay
30 May 2023
TL;DR: In this paper , a review of the particle and nuclear physics aspects involved in predicting the decay rate and the experimental search methods are discussed, and the next generation of experiments will explore large Majorana neutrino mass values, also testing alternative theoretical models.
Feebly-interacting particles: FIPs 2022 Workshop Report
Claire Antel,M. Battaglieri,James Beacham,C. Boehm,O. Buchmüller,F. Calore,P. Carenza,B. Chauhan,P. Cladè,P. Coloma,P. Crivelli,V. Dandoy,L. Darmé,B. Dey,Frank F. Deppisch,A. De Roeck,M. Drewes,B. Echenard,V. V. Flambaum,P. Foldenauer,Claudio Gatti,M. Giannotti,A. Golutvin,M. C. Gonzalez-Garcia,S. Gori,Evgueni Goudzovski,A. Granelli,H. Grote,Saïda Guellati-Khélifa,J. Hajer,P. Harris,C. Hearty,D. Heuchel,M. Hostert,Sam Junius,F. Kahlhoefer,Juraj Klaric,F. Kling,P. Klose,J. Knolle,J. Kopp,O. Kwon,Oliver Lantwin,G. Lanfranchi,L. Li,A. Lindner,J. Lopez-Pavon,J. Marocco,J. W. Martin,S. Middleton,S. Milstead,I. Oceano,C. A. J. O’Hare,A. Paoloni,S. Pascoli,S. T. Petcov,M. Pospelov,R. Pöttgen,Mauro Raggi,G. Ripellino,Igor B. Samsonov,S. Sandner,S. Söldner-Rembold,J. Shelton,N. Song,C. Sun,Yevgeny V. Stadnik,J. L. Tastet,N. Toro,Nhan Viet Tran,Nicolò Trevisani,S. Ulmer,S. Urrea,B. Velghe,B. Wallisch,Y. Y. Y. Wong,Caglar Zorbilmez,K. Zurek +77 more
- 01 May 2023
TL;DR: Researchers at the FIPs 2022 workshop explored new physics at sub-GeV scales, predicting feebly-interacting particles (FIPs) to address dark matter and fundamental questions, with a vibrant experimental program underway to discover these particles.
91
Primordial gravitational waves in the nano-Hertz regime and PTA data — towards solving the GW inverse problem
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TL;DR: Primordial gravitational waves in the nano-Hertz regime and PTA data provide evidence for new physics and constrain cosmological models.
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