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Letter of Intent: AICE - Atom Interferometry CERN Experiment
/ Baynham, Charles (Imperial Coll., London) ; Bertoldi, Andrea (LP2N, Bordeaux) ; Blas, Diego (Barcelona, IFAE ; ICREA, Barcelona) ; Buchmueller, Oliver (Imperial Coll., London ; U. Oxford (main)) ; Calatroni, Sergio (CERN) ; Charmandaris, Vassilis (IESL, Heraklion) ; Luisa Marilu Chiofalo, Maria (INFN, Pisa ; U. Pisa (main)) ; Cladé, Pierre (Paris, Lab. Kastler Brossel ; Pisa U. ; INFN, Pisa) ; Coleman, Jonathon (Liverpool U.) ; Di Pumpo, Fabio (U. Ulm) et al.
We propose a O(100)m Atom Interferometer (AI) experiment to be installed against a wall of the PX46 access shaft to the LHC. [...]
arXiv:2509.11867 ; CERN-LHCC-2025-008 ; LHCC-I-042 ; LHCC-I-042.
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2025 - 18.
Full text - Fulltext
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Long-Baseline Atom Interferometry
/ TVLBAI Proto Collaboration
Long-baseline atom interferometry is a promising technique for probing various aspects of fundamental physics, astrophysics and cosmology, including searches for ultralight dark matter (ULDM) and for gravitational waves (GWs) in the frequency range around 1~Hz that is not covered by present and planned detectors using laser interferometry. [...]
arXiv:2503.21366.
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Fulltext
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Terrestrial Very-Long-Baseline Atom Interferometry Workshop (TVLBAI 2024)
2nd Terrestrial Very-Long-Baseline Atom Interferometry Workshop (TVLBAI 2024)
3 - 5 Apr 2024
- London, United Kingdom
/ 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. Like the summary of the first workshop, this document records a critical milestone for the international atom interferometry community. [...]
2025-04-03 - 79 p.
arXiv:2412.14960
- Published in : 10.1140/epjqt/s40507-025-00344-3
10.1140/epjqt/s40507-025-00344-3
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Terrestrial Very-Long-Baseline Atom Interferometry: Workshop Summary
Terrestrial Very-Long-Baseline Atom Interferometry Workshop (TVLBAI 2023)
13 - 14 Mar 2023
- CERN, Geneva, Switzerland
/ Abend, Sven (Leibniz U., Hannover); Allard, Baptiste (LCAR, Toulouse); Alonso, Iván (Balearic Islands U.); Antoniadis, John (Crete U.); Araújo, Henrique (Imperial Coll., London); Arduini, Gianluigi (CERN); Arnold, Aidan S. (SUPA, UK ; Strathclyde U.); Aßmann, Tobias (Ulm U.); Augst, Nadja (DLR, Neustrelitz); Badurina, Leonardo (King's Coll. London ; Caltech) et al.
This document presents a summary of the 2023 Terrestrial Very-Long-Baseline Atom Interferometry Workshop hosted by CERN. The workshop brought together experts from around the world to discuss the exciting developments in large-scale atom interferometer (AI) prototypes and their potential for detecting ultralight dark matter and gravitational waves. [...]
2024 - 99 p.
arXiv:2310.08183 .- CERN-TH-2023-176
- Published in : 10.1116/5.0185291
10.1116/5.0185291
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A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics
/ Aalbers, J. (SLAC ; KIPAC, Menlo Park) ; AbdusSalam, S.S. (Shahid Beheshti U.) ; Abe, K. (Kamioka Observ. ; Tokyo U., IPMU) ; Aerne, V. (Zurich U.) ; Agostini, F. (U. Bologna, DIFA ; INFN, Bologna) ; Maouloud, S. Ahmed (Paris U., VI-VII) ; Akerib, D.S. (SLAC ; KIPAC, Menlo Park) ; Akimov, D.Yu. (Moscow Phys. Eng. Inst.) ; Akshat, J. (Purdue U.) ; Musalhi, A.K. Al (Oxford U.) et al.
The nature of dark matter and properties of neutrinos are among the most pressing issues in contemporary particle physics. The dual-phase xenon time-projection chamber is the leading technology to cover the available parameter space for Weakly Interacting Massive Particles (WIMPs), while featuring extensive sensitivity to many alternative dark matter candidates. [...]
arXiv:2203.02309; INT-PUB-22-003; FERMILAB-PUB-22-112-PPD-QIS-T.-
2022-12-15 - 77 p.
- Published in : J. Phys. G 50 (2023) 013001
Fulltext: 2203.02309 - PDF; jt - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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Measurement of $J/\psi$ polarization in $pp$ collisions at $\sqrt{s}=7$ TeV
/ LHCb collaboration
An angular analysis of the decay $J/\psi \rightarrow \mu^{+} \mu^{-}$ is performed to measure the polarization of prompt $J/\psi$ mesons produced in $pp$ collisions at $\sqrt{s}=7 \mathrm{TeV}$. The dataset corresponds to an integrated luminosity of 0.37 fb$^{-1}$ collected with the LHCb detector. [...]
arXiv:1307.6379; LHCB-PAPER-2013-008; CERN-PH-EP-2013-130; LHCB-PAPER-2013-008; CERN-PH-EP-2013-130.-
Geneva : CERN, 2013-11-09 - 21 p.
- Published in : Eur. Phys. J. C 73 (2013) 2631
Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
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Measurement of the polarization amplitudes in $B^0 \to J/\psi K^{*}(892)^0$ decays
/ LHCb collaboration
An analysis of the decay $B^0 \to J/\psi K^{*}(892)^0$ is presented using data, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected in $pp$ collisions at a centre-of-mass energy of 7TeV with the LHCb detector. The polarisation amplitudes and the corresponding phases are measured to be \[ \begin{array}{cclllllll} |A_{\parallel}|^2 &\;=\; & 0.227 &\pm & 0.004 & \text{(stat.)} &\pm & 0.011 & \text{(syst.)}, \\ |A_{\perp}|^2 &\;=\; & 0.201 &\pm & 0.004 & \text{(stat.)} &\pm & 0.008&\text{(syst.)},\\ \delta_{\parallel}\; \text{[rad]} &\;=\; & -2.94 &\pm & 0.02 &\text{(stat.)} &\pm &0.03&\text{(syst.)},\\ \delta_{\perp}\; \text{[rad]} &\;=\; & \phantom{-}2.94 &\pm & 0.02 &\text{(stat.)} &\pm &0.02&\text{(syst.)}.\\ \end{array} \] Comparing $B^0\to J/\psi K^{*}(892){^0}$ and $\overline{B}^0\to J/\psi \overline K^{*}(892){^0}$ decays, no evidence for direct CP violation is found..
arXiv:1307.2782; CERN-PH-EP-2013-104; LHCB-PAPER-2013-023; CERN-PH-EP-2013-104; LHCB-PAPER-2013-023.-
Geneva : CERN, 2013-09-03 - 12 p.
- Published in : Phys. Rev. D 88 (2013) 052002
APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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Measurement of $B$ meson production cross-sections in proton-proton collisions at $\sqrt{s}=$ 7 TeV
/ LHCb Collaboration
The production cross-sections of $B$ mesons are measured using data, corresponding to a integrated luminosity of $0.36{\rm fb^{-1}}$, collected with the LHCb detector at a centre-of-mass energy of 7 TeV. The $B^+$, $B^0$ and $B_s^0$ mesons are reconstructed in the exclusive decays $B^+\to J/\psi K$, $B^0\to J/\psi K^{*0}$ and $B^0_s\to J/\psi\phi$, with $J/\psi\to\mu^+\mu^-$, $K^{*0}\to K^+\pi^-$ and $\phi\to K^+K^-$. [...]
arXiv:1306.3663; CERN-PH-EP-2013-095; LHCB-PAPER-2013-004; CERN-PH-EP-2013-095; LHCB-PAPER-2013-004.-
Geneva : CERN, 2013 - 17 p.
- Published in : JHEP 08 (2013) 117
Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
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