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Collimated beam formation in 3D acoustic sonic crystals
/ Vanel, A L (CERN) ; Dubois, M (Fresnel Inst., Marseille ; CNES, Toulouse) ; Tronche, C (IRAP, Toulouse) ; Fu, S (Tsinghua U., Beijing) ; Wang, Y-T (Imperial Coll., London ; City Coll., N.Y. ; Taiwan, Natl. Normal U.) ; Dupont, G (Fresnel Inst., Marseille ; CNES, Toulouse) ; Rakíc, A D (Queensland U.) ; Bertling, K (Queensland U.) ; Abdeddaim, R (Fresnel Inst., Marseille ; CNES, Toulouse) ; Enoch, S (Fresnel Inst., Marseille ; CNES, Toulouse) et al.
We demonstrate strongly collimated beam formation, at audible frequencies, in a three-dimensional acoustic phononic crystal where the wavelength is commensurate with the crystal elements; the crystal is a seemingly simple rectangular cuboid constructed from closely-spaced spheres, and yet demonstrates rich wave phenomena acting as a canonical three-dimensional metamaterial. We employ theory, numerical simulation and experiments to design and interpret this collimated beam phenomenon and use a crystal consisting of a finite rectangular cuboid array of polymer spheres 1.38 cm in diameter in air, arranged in a primitive cubic cell with the centre-to-centre spacing of the spheres, i.e. [...]
2024 - 12 p.
- Published in : New J. Phys. 26 (2024) 073021
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CEPC Technical Design Report: Accelerator
/ CEPC Study Group Collaboration
The Circular Electron Positron Collider (CEPC) is a large scientific project initiated and hosted by China, fostered through extensive collaboration with international partners. The complex comprises four accelerators: a 30 GeV Linac, a 1.1 GeV Damping Ring, a Booster capable of achieving energies up to 180 GeV, and a Collider operating at varying energy modes (Z, W, H, and ttbar). [...]
arXiv:2312.14363; IHEP-CEPC-DR-2023-01; IHEP-AC-2023-01.-
2024-06-03 - 1106 p.
- Published in : Radiat. Detect. Technol. Methods 8 (2024) 1-1105
Fulltext: 2312.14363 - PDF; Publication - PDF;
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Science with the Einstein Telescope: a comparison of different designs
/ Branchesi, Marica (GSSI, Aquila ; Gran Sasso) ; Maggiore, Michele (Geneva U., Dept. Theor. Phys. ; Geneva U.) ; Alonso, David (Oxford U.) ; Badger, Charles (King's Coll. London) ; Banerjee, Biswajit (GSSI, Aquila ; Gran Sasso) ; Beirnaert, Freija (Gent U.) ; Belgacem, Enis (Geneva U.) ; Bhagwat, Swetha (Rome U. ; Birmingham U.) ; Boileau, Guillaume (U. Antwerp (main) ; ARTEMIS, Nice) ; Borhanian, Ssohrab (Jena U., TPI) et al.
The Einstein Telescope (ET), the European project for a third-generation gravitational-wave detector, has a reference configuration based on a triangular shape consisting of three nested detectors with 10 km arms, where in each arm there is a `xylophone' configuration made of an interferometer tuned toward high frequencies, and an interferometer tuned toward low frequencies and working at cryogenic temperature. Here, we examine the scientific perspectives under possible variations of this reference design. [...]
arXiv:2303.15923; ET-0084A-23.-
2023-07-28 - 197 p.
- Published in : JCAP 2307 (2023) 068
Fulltext: document - PDF; 2303.15923 - PDF;
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High Energy Physics Opportunities Using Reactor Antineutrinos
/ CHANDLER Collaboration
Nuclear reactors are uniquely powerful, abundant, and flavor-pure sources of antineutrinos that continue to play a vital role in the US neutrino physics program. The US reactor antineutrino physics community is a diverse interest group encompassing many detection technologies and many particle physics topics, including Standard Model and short-baseline oscillations, BSM physics searches, and reactor flux and spectrum modeling. [...]
arXiv:2203.07214; FERMILAB-CONF-22-853-PPD-SCD.-
2024-06-26 - 50 p.
- Published in : 10.1088/1361-6471/ad3a84
Fulltext: c8e12e623ffdea56add50e6e3de8fdab - PDF; 2203.07214 - PDF; External links: Fermilab Library Server; eConf
In : 2021 Snowmass Summer Study, Seattle, WA, United States, 11 - 20 July 2021, pp.
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Model Independent Approach of the JUNO $^8$B Solar Neutrino Program
/ JUNO Collaboration
The physics potential of detecting $^8$B solar neutrinos is exploited at the Jiangmen Underground Neutrino Observatory (JUNO), in a model independent manner by using three distinct channels of the charged-current (CC), neutral-current (NC) and elastic scattering (ES) interactions. [...]
arXiv:2210.08437.
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24 p.
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Probing the quadrupole transition strength of $^{15}$C via deuteron inelastic scattering
/ Chen, J. (Argonne) ; Kay, B.P. (Argonne) ; Tang, T.L. (Argonne) ; Tolstukhin, I.A. (Argonne) ; Hoffman, C.R. (Argonne) ; Li, H. (Lanzhou, Inst. Modern Phys.) ; Yin, P. (Lanzhou, Inst. Modern Phys.) ; Zhao, X. (Lanzhou, Inst. Modern Phys.) ; Maris, P. (Iowa State U.) ; Vary, J.P. (Ames Lab) et al.
Deuteron elastic scattering from 15C and inelastic scattering reactions to the first excited state of 15C were studied using a radioactive beam of 15C in inverse kinematics. The scattered deuterons were measured using HELIOS. [...]
arXiv:2209.12252.-
2022-12-12 - 9 p.
- Published in : Phys. Rev. C 106 (2022) 064312
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Neutrinoless Double Beta Decay
/ Adams, C. (Argonne) ; Alfonso, K. (Virginia Tech.) ; Andreoiu, C. (Simon Fraser U., Burnaby (main)) ; Angelico, E. (SLAC) ; Arnquist, I.J. (PNL, Richland) ; Asaadi, J.A.A. (Texas U., Arlington) ; Avignone, F.T. (South Carolina U.) ; Axani, S.N. (Delaware U.) ; Barabash, A.S. (Moscow, ITEP) ; Barbeau, P.S. (Duke U. ; TUNL, Durham) et al.
This White Paper, prepared for the Fundamental Symmetries, Neutrons, and Neutrinos Town Meeting related to the 2023 Nuclear Physics Long Range Plan, makes the case for double beta decay as a critical component of the future nuclear physics program. [...]
arXiv:2212.11099 ; FERMILAB-CONF-22-962-ND.
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Fermilab Library Server - Fulltext - Fulltext
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Tests of General Relativity with GWTC-3
/ LIGO Scientific Collaboration
The ever-increasing number of detections of gravitational waves (GWs) from compact binaries by the Advanced LIGO and Advanced Virgo detectors allows us to perform ever-more sensitive tests of general relativity (GR) in the dynamical and strong-field regime of gravity. [...]
arXiv:2112.06861 ; LIGO-P2100275.
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