CERN Accelerating science

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1.
AEDGE: Atomic Experiment for Dark Matter and Gravity Exploration in Space / AEDGE Collaboration
We propose in this White Paper a concept for a space experiment using cold atoms to search for ultra-light dark matter, and to detect gravitational waves in the frequency range between the most sensitive ranges of LISA and the terrestrial LIGO/Virgo/KAGRA/INDIGO experiments. This interdisciplinary experiment, called Atomic Experiment for Dark Matter and Gravity Exploration (AEDGE), will also complement other planned searches for dark matter, and exploit synergies with other gravitational wave detectors. [...]
arXiv:1908.00802; KCL-PH-TH/2019-65; CERN-TH-2019-126.- 2020-03-04 - 25 p. - Published in : EPJ Quant. Technol. 7 (2020) 6 Fulltext: 1908.00802 - PDF; fermilab-pub-19-698-v - PDF; Fulltext from Publisher: PDF; External links: Open Access fulltext; Fermilab Library Server (fulltext available)
2.
Cold atoms in space: community workshop summary and proposed road-map / Alonso, Iván (Balearic Islands U.) ; Alpigiani, Cristiano (Washington U., Seattle) ; Altschul, Brett (South Carolina U.) ; Araújo, Henrique (Imperial Coll., London) ; Arduini, Gianluigi (CERN) ; Arlt, Jan (Aarhus U.) ; Badurina, Leonardo (King's Coll. London) ; Balaž, Antun (Belgrade, Inst. Phys.) ; Bandarupally, Satvika (Florence U. ; INFN, Florence) ; Barish, Barry C. (LIGO Lab., Caltech) et al.
We summarize the discussions at a virtual Community Workshop on Cold Atoms in Space concerning the status of cold atom technologies, the prospective scientific and societal opportunities offered by their deployment in space, and the developments needed before cold atoms could be operated in space. The cold atom technologies discussed include atomic clocks, quantum gravimeters and accelerometers, and atom interferometers. [...]
arXiv:2201.07789; FERMILAB-CONF-22-694-V; CERN-TH-2022-004.- 2022-11-20 - 64 p. - Published in : EPJ Quant. Technol.: 9 (2022) , no. 1, pp. 30 Fulltext: bb4d1d31d6edd562e94939489bfc05d6 - PDF; 2201.07789 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
3.
AION: An Atom Interferometer Observatory and Network / Badurina, L. (King's Coll. London) ; Bentine, E. (U. Oxford (main)) ; Blas, D. (King's Coll. London) ; Bongs, K. (Birmingham U.) ; Bortoletto, D. (U. Oxford (main)) ; Bowcock, T. (U. Liverpool (main)) ; Bridges, K. (U. Liverpool (main)) ; Bowden, W. (Teddington, Natl. Phys. Lab ; Imperial Coll., London) ; Buchmueller, O. (Imperial Coll., London) ; Burrage, C. (U. Nottingham) et al.
We outline the experimental concept and key scientific capabilities of AION (Atom Interferometer Observatory and Network), a proposed UK-based experimental programme using cold strontium atoms to search for ultra-light dark matter, to explore gravitational waves in the mid-frequency range between the peak sensitivities of the LISA and LIGO/Virgo/ KAGRA/INDIGO/Einstein Telescope/Cosmic Explorer experiments, and to probe other frontiers in fundamental physics. AION would complement other planned searches for dark matter, as well as probe mergers involving intermediate mass black holes and explore early universe cosmology. [...]
arXiv:1911.11755; AION-2019-001; CERN-TH-2019-199.- 2020-05-06 - 28 p. - Published in : JCAP 2005 (2020) 011 Fulltext: PDF;
4.
AEDGE: Atomic experiment for dark matter and gravity exploration in space / Bertoldi, Andrea (LP2N, Bordeaux) ; Bongs, Kai (Birmingham U.) ; Bouyer, Philippe (LP2N, Bordeaux) ; Buchmueller, Oliver (Imperial Coll., London) ; Canuel, Benjamin (LP2N, Bordeaux) ; Caramete, Laurentiu-Ioan (Bucharest, Inst. Space Science) ; Chiofalo, Maria Luisa (Pisa U.) ; Coleman, Jonathon (Liverpool U.) ; De Roeck, Albert (Antwerp U. ; CERN) ; Ellis, John (King's Coll. London ; NICPB, Tallinn ; CERN) et al.
This article contains a summary of the White Paper submitted in 2019 to the ESA Voyage 2050 process, which was subsequently published in EPJ Quantum Technology (AEDGE Collaboration et al. EPJ Quant. [...]
2021 - 10 p. - Published in : Exp. Astron. 51 (2021) 1417-1426 Fulltext: PDF;
5.
Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the Second Workshop / Abdalla, Adam (Darmstadt, Tech. Hochsch.) ; Abe, Mahiro (Stanford U., Phys. Dept.) ; Abend, Sven (Leibniz U., Hannover) ; Abidi, Mouine (Leibniz U., Hannover) ; Aidelsburger, Monika (Munich, Max Planck Inst. Quantenopt. ; Munich U. ; Munich U., ASC ; MCQST, Munich) ; Alibabaei, Ashkan (Leibniz U., Hannover) ; Allard, Baptiste (LCAR, Toulouse) ; Antoniadis, John (Athens U.) ; Arduini, Gianluigi (CERN) ; Augst, Nadja (DLR, Berlin) et al.
This summary of the second Terrestrial Very-Long-Baseline Atom Interferometry (TVLBAI) Workshop provides a comprehensive overview of our meeting held in London in April 2024, building on the initial discussions during the inaugural workshop held at CERN in March 2023. [...]
arXiv:2412.14960.
- 105.
Fulltext
6.
Interplay and Characterization of Dark Matter Searches at Colliders and in Direct Detection Experiments / Malik, Sarah A. (Imperial Coll., London) ; McCabe, Christopher (Durham U., IPPP ; U. Amsterdam, GRAPPA) ; Araujo, Henrique (Imperial Coll., London) ; Belyaev, A. (Southampton U. ; Rutherford) ; Bœhm, Céline (Durham U., IPPP) ; Brooke, Jim (Bristol U.) ; Buchmueller, Oliver (Imperial Coll., London) ; Davies, Gavin (Imperial Coll., London) ; De Roeck, Albert (CERN ; Antwerp U.) ; de Vries, Kees (Imperial Coll., London) et al.
In this White Paper we present and discuss a concrete proposal for the consistent interpretation of Dark Matter searches at colliders and in direct detection experiments. Based on a specific implementation of simplified models of vector and axial-vector mediator exchanges, this proposal demonstrates how the two search strategies can be compared on an equal footing..
arXiv:1409.4075; KCL-PH-TH-2014-37; LCTS-2014-36; CERN-PH-TH-2014-180; KCL-PH-TH-2014-37; LCTS-2014-36; CERN-PH-TH-2014-180.- 2016-05-12 - 8 p. - Published in : Phys. Dark Universe 9-10 (2015) 51-58 Elsevier Open Access article: PDF; Fulltext: 10.1016_j.dark.2015.03.003 - PDF; arXiv:1409.4075 - PDF; External link: Preprint
7.
Bounding elastic photon-photon scattering at $\sqrt s \approx 1\,$MeV using a laser-plasma platform / Watt, R. (JAI, UK) ; Kettle, B. (JAI, UK) ; Gerstmayr, E. (JAI, UK) ; King, B. (Plymouth U.) ; Alejo, A. (Queen's U., Belfast) ; Astbury, S. (Rutherford) ; Baird, C. (York U., England, Dept. Math.) ; Bohlen, S. (DESY) ; Campbell, M. (CERN) ; Colgan, C. (JAI, UK) et al.
We report on a direct search for elastic photon-photon scattering using x-ray and $\gamma$ photons from a laser-plasma based experiment. [...]
arXiv:2407.12915.
- 8 p.
Fulltext
8.
Oscillation probabilities for a $\rho$$\tau$-symmetric non-Hermitian two-state system / Alexandre, Jean (King's Coll. London) ; Dale, Madeleine (Rome U., Tor Vergata ; INFN, Rome ; Cyprus U. ; Humboldt U., Berlin) ; Ellis, John (King's Coll. London ; CERN) ; Mason, Robert (Liverpool U.) ; Millington, Peter (Manchester U.)
There is growing interest in viable quantum theories with$\rho$$\tau$-symmetric non-Hermitian Hamiltonians, but a formulation of transition matrix elements consistent with positivity and perturbative unitarity has so far proved elusive. [...]
arXiv:2302.11666 ; KCL-PH-TH/2023-17 ; CERN-TH-2023-032 ; LTH 1334.
- 5 p.
Fulltext
9.
Neutron tagging following atmospheric neutrino events in a water Cherenkov detector / Super-Kamiokande Collaboration
We present the development of neutron-tagging techniques in Super-Kamiokande IV using a neural network analysis. The detection efficiency of neutron capture on hydrogen is estimated to be 26%, with a mis-tag rate of 0.016 per neutrino event. [...]
arXiv:2209.08609; FERMILAB-PUB-22-873-ND.- 2022-10-18 - 40 p. - Published in : JINST 17 (2022) P10029 Fulltext: 2209.08609 - PDF; document - PDF; ff15af3f0a01c9edd3bb9f60772a7df9 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
10.
STE-QUEST: Space Time Explorer and QUantum Equivalence principle Space Test / STE-QUEST Collaboration
An M-class mission proposal in response to the 2021 call in ESA's science programme with a broad range of objectives in fundamental physics, which include testing the Equivalence Principle and Lorentz Invariance, searching for Ultralight Dark Matter and probing Quantum Mechanics..
arXiv:2211.15412 ; CERN-TH-2022-202.
- 78 p.
Fulltext

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