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1.
Properties of Cosmic Deuterons Measured by the Alpha Magnetic Spectrometer / AMS Collaboration
Precision measurements by the Alpha Magnetic Spectrometer (AMS) on the International Space Station of the deuteron (D) flux are presented. The measurements are based on 21×106 D nuclei in the rigidity range from 1.9 to 21 GV collected from May 2011 to April 2021. [...]
2024 - 8 p. - Published in : Phys. Rev. Lett. 132 (2024) 261001 Fulltext: PDF;
2.
Temporal Structures in Positron Spectra and Charge-Sign Effects in Galactic Cosmic Rays / AMS Collaboration
We present the precision measurements of 11 years of daily cosmic positron fluxes in the rigidity range from 1.00 to 41.9 GV based on 3.4×106 positrons collected with the Alpha Magnetic Spectrometer (AMS) aboard the International Space Station. The positron fluxes show distinctly different time variations from the electron fluxes at short and long timescales. [...]
2023 - 10 p. - Published in : Phys. Rev. Lett. 131 (2023) 151002 Fulltext: PDF;
3.
Properties of Cosmic-Ray Sulfur and Determination of the Composition of Primary Cosmic-Ray Carbon, Neon, Magnesium, and Sulfur: Ten-Year Results from the Alpha Magnetic Spectrometer / AMS Collaboration
We report the properties of primary cosmic-ray sulfur (S) in the rigidity range 2.15 GV to 3.0 TV based on 0.38×106 sulfur nuclei collected by the Alpha Magnetic Spectrometer experiment (AMS). We observed that above 90 GV the rigidity dependence of the S flux is identical to the rigidity dependence of Ne-Mg-Si fluxes, which is different from the rigidity dependence of the He-C-O-Fe fluxes. [...]
2023 - 9 p. - Published in : Phys. Rev. Lett. 130 (2023) 211002 Fulltext: PDF;
4.
Design and Modeling of AMaSED-2: A High Temperature Superconducting Demonstrator Coil for the Space Spectrometer ARCOS / Dam, Magnus (INFN, Milan) ; Burger, William Jerome (Enrico Fermi Ctr., Rome ; TIFPA-INFN, Trento) ; Carpentiero, Rita (ASI, Rome) ; Chesta, Enrico (CERN) ; Iuppa, Roberto (TIFPA-INFN, Trento) ; de Rijk, Gijs (CERN) ; Rossi, Lucio (INFN, Milan ; Milan U.)
Magnetic spectrometers detect the rigidity of charged particles by measuring the bending of their trajectories as they pass through a magnetic field. ARCOS is a proposal for a next generation magnetic spectrometer in space with a bending strength of 3 T m at an operating temperature of 20 K. [...]
2022 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4500105
In : 15th European Conference on Applied Superconductivity (EUCAS 2021), Online, 5 - 9 Sep 2021, pp.4500105
5.
Temporal Structures in Electron Spectra and Charge Sign Effects in Galactic Cosmic Rays / AMS Collaboration
We present the precision measurements of 11 years of daily cosmic electron fluxes in the rigidity interval from 1.00 to 41.9 GV based on 2.0×108 electrons collected with the Alpha Magnetic Spectrometer (AMS) aboard the International Space Station. The electron fluxes exhibit variations on multiple timescales. [...]
2023 - 11 p. - Published in : Phys. Rev. Lett. 130 (2023) 161001 Fulltext: PDF;
6.
Manufacturing and testing of AMaSED-2: a no-insulation high-temperature superconducting demonstrator coil for the space spectrometer ARCOS / Dam, Magnus (LASA, Segrate) ; Burger, William Jerome (TIFPA-INFN, Trento) ; Carpentiero, Rita (ASI, Rome ; ICRA, Rio de Janeiro) ; Chesta, Enrico (CERN) ; Iuppa, Roberto (TIFPA-INFN, Trento ; Trento U.) ; Kirby, Glyn (CERN) ; de Rijk, Gijs (CERN) ; Rossi, Lucio (LASA, Segrate ; INFN, Milan ; Milan U.)
The Astroparticle Research Compact Orbital Spectrometer (ARCOS) magnet is a 12-coil toroidal magnet for a proposed next-generation magnetic spectrometer in space. AMaSED-2 is a small-scale non-flight demonstrator coil for the ARCOS magnet. [...]
2023 - 8 p. - Published in : Supercond. Sci. Technol. 36 (2023) 014007
7.
Feasibility of crystal-assisted collimation in the CERN accelerator complex / UA9 Collaboration
Bent silicon crystals mounted on high-accuracy angular actuators were installed in the CERN Super Proton Synchrotron (SPS) and extensively tested to assess the feasibility of crystal-assisted collimation in circular hadron colliders. The adopted layout was exploited and regularly upgraded for about a decade by the UA9 Collaboration. [...]
2022 - 108 p. - Published in : Int. J. Mod. Phys. A 37 (2022) 2230004 Fulltext from Publisher: PDF;
8.
A high temperature superconducting demonstrator coil for ARCOS: a novel toroidal magnetic spectrometer for an astroparticle physics experiment in space / Dam, Magnus (INFN, Milan) ; Burger, William Jerome (Enrico Fermi Ctr., Rome ; TIFPA-INFN, Trento) ; Carpentiero, Rita (ASI, Rome) ; Chesta, Enrico (CERN) ; Iuppa, Roberto (Trento U.) ; De Rijk, Gijs (CERN) ; Rossi, Lucio (INFN, Milan ; Milan U.)
A magnetic spectrometer determines the signed rigidity of charged particles by measuring their trajectories in the presence of a magnetic field. High Temperature Superconducting (HTS) magnets can operate in space without the use of a cryogenic liquid. [...]
SISSA, 2022 - 8 p. - Published in : PoS ICRC2021 (2022) 498 Fulltext: PDF;
In : 37th International Cosmic Ray Conference (ICRC 2021), Berlin, Germany, 15 - 22 Jul 2021, pp.498
9.
Properties of Daily Helium Fluxes / AMS Collaboration
We present the precision measurement of 2824 daily helium fluxes in cosmic rays from May 20, 2011 to October 29, 2019 in the rigidity interval from 1.71 to 100 GV based on 7.6×108 helium nuclei collected with the Alpha Magnetic Spectrometer (AMS) aboard the International Space Station. The helium flux and the helium to proton flux ratio exhibit variations on multiple timescales. [...]
2022 - 10 p. - Published in : Phys. Rev. Lett. 128 (2022) 231102 Fulltext: PDF;
10.
Periodicities in the Daily Proton Fluxes from 2011 to 2019 Measured by the Alpha Magnetic Spectrometer on the International Space Station from 1 to 100 GV / AMS Collaboration
We present the precision measurement of the daily proton fluxes in cosmic rays from May 20, 2011 to October 29, 2019 (a total of 2824 days or 114 Bartels rotations) in the rigidity interval from 1 to 100 GV based on 5.5×109 protons collected with the Alpha Magnetic Spectrometer aboard the International Space Station. The proton fluxes exhibit variations on multiple timescales. [...]
2021 - 8 p. - Published in : Phys. Rev. Lett. 127 (2021) 271102 Fulltext: PDF;

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See also: similar author names
16 Burger, W
2 Burger, W J
3 Burger, W  J
138 Burger, W.J.
2 Burger, Wilhelm
4 Burger, William J
4 Burger, William Jerome
16 Bürger, W
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