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Probing exotic cross-shell interactions at $N=28$ with single-neutron transfer on $^{47}$K
/ Paxman, C.J. (Surrey U.) ; Matta, A. (LPC, Caen) ; Catford, W.N. (Surrey U.) ; Lotay, G. (Surrey U.) ; Assié, M. (IJCLab, Orsay) ; Clément, E. (GANIL) ; Lemasson, A. (GANIL) ; Ramos, D. (GANIL) ; Orr, N.A. (LPC, Caen) ; Galtarossa, F. (IJCLab, Orsay) et al.
We present the first measurement of the $^{47}$K($d,p\gamma$)$^{48}$K transfer reaction, performed in inverse kinematics using a reaccelerated beam of $^{47}$K. [...]
arXiv:2409.12594.
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Stable 500 kW average power of infrared light in a finesse 35 000 enhancement cavity
/ Lu, X -Y (IJCLab, Orsay ; Tsinghua U., Beijing, Dept. Eng. Phys.) ; Chiche, R (IJCLab, Orsay) ; Dupraz, K (IJCLab, Orsay) ; Johora, F (IJCLab, Orsay) ; Martens, A (IJCLab, Orsay) ; Nutarelli, D (IJCLab, Orsay) ; Peinaud, Y (IJCLab, Orsay) ; Soskov, V (IJCLab, Orsay) ; Stocchi, A (IJCLab, Orsay) ; Zomer, F (IJCLab, Orsay) et al.
Advances in laser technology over the past 25 years have been impressive, in particular, for the Ytterbium technology where, nowadays, kilowatt-class laser systems are available. This technology also led to the possibility to provide hundreds of kilowatts of laser power by the use of enhancement cavities. [...]
2024 - 7 p.
- Published in : Appl. Phys. Lett. 124 (2024) 251105
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The status of the energy calibration, polarization and monochromatization of the FCC-ee
/ Bauche, Jeremie (CERN) ; Blondel, Alain (CERN) ; Ciarma, Andrea (Frascati) ; Faus-Golfe, Angeles (IJCLab, Orsay) ; Bogomyagkov, Anton (Novosibirsk, IYF) ; Martens, Aurélien (IJCLab, Orsay) ; Gaskell, David (Jefferson Lab) ; Sagan, David (Cornell U.) ; Barber, Desmond (New Mexico U.) ; Shatilov, Dmitry (CERN) et al.
The Future Circular electron-positron Collider, FCC- ee, is designed for unprecedented precision for particle physics experiments from the Z-pole up to above the top-pair-threshold, corresponding to a beam energy range from 45.6 to 182.5 GeV. Performing collisions at various particle-physics resonances requires precise knowledge of the centre-of-mass energy (ECM) and collision boosts at all four interaction points. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) MOPL059
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In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPL059
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High-Precision Spectroscopy of O20 Benchmarking Ab Initio Calculations in Light Nuclei
/ Zanon, I. (INFN, Legnaro ; Ferrara U.) ; Clément, E. (GANIL) ; Goasduff, A. (INFN, Legnaro) ; Menéndez, J. (ICC, Barcelona U.) ; Miyagi, T. (Darmstadt, Tech. U. ; Heidelberg, Max Planck Inst. ; Darmstadt, GSI) ; Assié, M. (IJCLab, Orsay) ; Ciemała, M. (Cracow, INP) ; Flavigny, F. (LPC, Caen) ; Lemasson, A. (GANIL) ; Matta, A. (LPC, Caen) et al.
The excited states of unstable $^{20}$O were investigated via $\gamma$-ray spectroscopy following the $^{19}$O$(d,p)^{20}$O reaction at 8 $A$MeV. By exploiting the Doppler Shift Attenuation Method, the lifetime of the 2$^+_2$ and 3$^+_1$ states were firmly established. [...]
arXiv:2405.14305.-
2023-12-28 - 7 p.
- Published in : Phys. Rev. Lett. 131 (2023) 262501
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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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Search for $^{22}$Na in novae supported by a novel method for measuring femtosecond nuclear lifetimes
/ Fougères, Chloé (GANIL ; Argonne, PHY) ; de Oliveira Santos, François (GANIL) ; José, Jordi (Barcelona U. ; Barcelona, IEEC) ; Michelagnoli, Caterina (Laue-Langevin Inst.) ; Clément, Emmanuel (GANIL) ; Kim, Yung Hee (GANIL ; IBS, Daejeon, CENS) ; Lemasson, Antoine (GANIL) ; Guimarães, Valdir (Sao Paulo U.) ; Barrientos, Diego (CERN) ; Bemmerer, Daniel (HZDR, Dresden) et al.
Classical novae are thermonuclear explosions in stellar binary systems, and important sources of $^{26}$Al and $^{22}$Na. While gamma rays from the decay of the former radioisotope have been observed throughout the Galaxy, $^{22}$Na remains untraceable. [...]
arXiv:2212.06302.-
2023-09-05 - 18 p.
- Published in : Nature Commun. 14 (2023) 4536
Fulltext: document - PDF; 2212.06302 - PDF;
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Design of the optical system for the gamma factory proof of principle experiment at the CERN Super Proton Synchrotron
/ Martens, Aurélien (IJCLab, Orsay) ; Cassou, Kevin (IJCLab, Orsay) ; Chiche, Ronic (IJCLab, Orsay) ; Dupraz, Kevin (IJCLab, Orsay) ; Nutarelli, Daniele (IJCLab, Orsay) ; Peinaud, Yann (IJCLab, Orsay) ; Zomer, Fabian (IJCLab, Orsay) ; Dutheil, Yann (CERN) ; Goddard, Brennan (CERN) ; Krasny, Mieczyslaw Witold (CERN) et al.
The Gamma Factory proof of principle experiment aims at colliding laser pulses with ultrarelativistic partially stripped ion beams at the CERN Super Proton Synchrotron. Its goals include the first demonstration of fast cooling of ultrarelativistic ion beams and opening up many possibilities for new physics measurements in various domains from atomic physics to particle physics. [...]
CERN-PBC-Notes-2024-002.-
2022 - 11 p.
- Published in : Phys. Rev. Accel. Beams 25 (2022) 101601
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Evidence of Partial Seniority Conservation in the $\pi{g}_{9/2}$ Shell for the $N=50$ Isotones
/ Pérez-Vidal, R M (Valencia U., IFIC ; INFN, Legnaro) ; Gadea, A (Valencia U., IFIC) ; Domingo-Pardo, C (Valencia U., IFIC) ; Gargano, A (INFN, Naples ; Carlos III U., Madrid) ; Valiente-Dobón, J J (INFN, Legnaro) ; Clément, E (GANIL) ; Lemasson, A (GANIL) ; Coraggio, L (INFN, Naples ; Carlos III U., Madrid ; Napoli Seconda U.) ; Siciliano, M (Argonne, PHY) ; Szilner, S (Boskovic Inst., Zagreb) et al.
The reduced transition probabilities for the $4^+_1 \to 2^+_1$ and $2^+_1 \to 0^+_1$ transitions in $^{92}$Mo and $^{94}$Ru and for the $4^+_1 \to 2^+_1$ and $6^+_1 \to 4^+_1$ transitions in $^{90}$Zr have been determined in this experiment making use of a multinucleon transfer reaction. These results have been interpreted on the basis of realistic shell-model calculations in the $f_{5/2}, p_{3/2}, p_{1/2},$ and $g_{9/2}$ proton valence space. [...]
2022 - 7 p.
- Published in : Phys. Rev. Lett. 129 (2022) 112501
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