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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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41 p.
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Observation of Fine Time Structures in the Cosmic Proton and Helium Fluxes with the Alpha Magnetic Spectrometer on the International Space Station
/ Aguilar, M (Madrid, CIEMAT) ; Ali Cavasonza, L (IAS, Julich ; JCHP, Julich) ; Alpat, B (INFN, Perugia) ; Ambrosi, G (INFN, Perugia) ; Arruda, L (LIP, Lisbon) ; Attig, N (IAS, Julich ; JCHP, Julich) ; Aupetit, S (LPSC, Grenoble) ; Azzarello, P (Geneva U.) ; Bachlechner, A (IAS, Julich ; JCHP, Julich) ; Barao, F (LIP, Lisbon) et al.
/AMS
We present the precision measurement from May 2011 to May 2017 (79 Bartels rotations) of the proton fluxes at rigidities from 1 to 60 GV and the helium fluxes from 1.9 to 60 GV based on a total of $1 \times 10^9$ events collected with the Alpha Magnetic Spectrometer aboard the International Space Station. This measurement is in solar cycle 24, which has the solar maximum in April 2014. [...]
2018 - 7 p.
- Published in : Phys. Rev. Lett. 121 (2018) 051101
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Observation of Complex Time Structures in the Cosmic-Ray Electron and Positron Fluxes with the Alpha Magnetic Spectrometer on the International Space Station
/ Aguilar, M (Madrid, CIEMAT) ; Cavasonza, L Ali (IAS, Julich ; JCHP, Julich) ; Ambrosi, G (INFN, Perugia ; Perugia U.) ; Arruda, L (LIP, Lisbon) ; Attig, N (IAS, Julich ; JCHP, Julich) ; Aupetit, S (LPSC, Grenoble) ; Azzarello, P (Geneva U.) ; Bachlechner, A (IAS, Julich ; JCHP, Julich) ; Barao, F (LIP, Lisbon) ; Barrau, A (LPSC, Grenoble) et al.
/AMS
We present high-statistics, precision measurements of the detailed time and energy dependence of the primary cosmic-ray electron flux and positron flux over 79 Bartels rotations from May 2011 to May 2017 in the energy range from 1 to 50 GeV. For the first time, the charge-sign dependent modulation during solar maximum has been investigated in detail by leptons alone. [...]
2018 - 8 p.
- Published in : Phys. Rev. Lett. 121 (2018) 051102
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Observation of New Properties of Secondary Cosmic Rays Lithium, Beryllium, and Boron by the Alpha Magnetic Spectrometer on the International Space Station
/ Aguilar, M (Madrid, CIEMAT) ; Ali Cavasonza, L (IAS, Julich ; JCHP, Julich) ; Ambrosi, G (INFN, Perugia) ; Arruda, L (LIP, Lisbon) ; Attig, N (IAS, Julich ; JCHP, Julich) ; Aupetit, S (LPSC, Grenoble) ; Azzarello, P (Geneva U.) ; Bachlechner, A (IAS, Julich ; JCHP, Julich) ; Barao, F (LIP, Lisbon) ; Barrau, A (LPSC, Grenoble) et al.
/AMS
We report on the observation of new properties of secondary cosmic rays Li, Be, and B measured in the rigidity (momentum per unit charge) range 1.9 GV to 3.3 TV with a total of $5.4 \times 10^6$ nuclei collected by AMS during the first five years of operation aboard the International Space Station. The Li and B fluxes have an identical rigidity dependence above 7 GV and all three fluxes have an identical rigidity dependence above 30 GV with the Li/Be flux ratio of $2.0 \pm 0.1$. [...]
2018 - 8 p.
- Published in : Phys. Rev. Lett. 120 (2018) 021101
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Dark Sector Physics with a Primary Electron Beam Facility at CERN
/ Åkesson, T (Lund University, Department of Physics, Box 118, 221 00 Lund, Sweden) ; Bossi, F (INFN Laboratori Nazionali di Frascati, Italy) ; Boveia, A (The Ohio State University, Department of Physics and Center for Cosmology and Astroparticle Physics, 191 W. Woodruff Ave., Columbus, Ohio 43210, USA) ; Bryngemark, L (Lund University, Department of Physics, Box 118, 221 00 Lund, Sweden) ; Brugger, M (CERN, CH-1211 Geneva 23, Switzerland) ; Burrows, P N (University of Oxford, Oxford, United Kingdom, and CERN, CH-1211 Geneva 23, Switzerland) ; Carpinelli, M (Chemistry and Pharmacy Department, Università degli Studi di Sassari, Sassari 07100, Italy and INFN Laboratori Nazionali del Sud, Catania 95123, Italy) ; Catalan, N (CERN, CH-1211 Geneva 23, Switzerland) ; Catena, R (Chalmers University of Technology, Department of Physics, SE-412 96 Goteborg, Sweden) ; Ceccucci, A (CERN, CH-1211 Geneva 23, Switzerland) et al.
In this Expression of Interest, we propose a primary electron beam facility with the main motivations being (i) dark sector experiments, and (ii) to enable a suite of development projects in acceleration technology. [...]
CERN-SPSC-2018-023 ; SPSC-EOI-018.
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