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The flight of the GAPS prototype experiment
The General AntiParticle Spectrometer experiment (GAPS) is foreseen to carry out a dark matter search using low-energy cosmic ray antideuterons at stratospheric altitudes with a novel detection approach. A prototype flight from Taiki, Japan was carried out in June 2012 to prove the performance of th...
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| Published in: | Astroparticle physics 2014-02, Vol.54, p.93-109 |
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| Main Authors: | , , , , , , , , , , , , , , |
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| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c470t-3406cd48b82fe22037f99f7ba72541df5e09a5fb0ed690ca5d5792fde31ec5173 |
| container_end_page | 109 |
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| container_title | Astroparticle physics |
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| creator | von Doetinchem, P. Aramaki, T. Bando, N. Boggs, S.E. Fuke, H. Gahbauer, F.H. Hailey, C.J. Koglin, J.E. Mognet, S.A.I. Madden, N. Okazaki, S. Ong, R.A. Perez, K.M. Yoshida, T. Zweerink, J. |
| description | The General AntiParticle Spectrometer experiment (GAPS) is foreseen to carry out a dark matter search using low-energy cosmic ray antideuterons at stratospheric altitudes with a novel detection approach. A prototype flight from Taiki, Japan was carried out in June 2012 to prove the performance of the GAPS instrument subsystems (Lithium-drifted Silicon tracker and time-of-flight) and the thermal cooling concept as well as to measure background levels. The flight was a success and the stable flight operation of the GAPS detector concept was proven. During the flight about 106 charged particle triggers were recorded, extensive X-ray calibrations of the individual tracker modules were performed by using an onboard X-ray tube, and the background level of atmospheric and cosmic X-rays was measured. The behavior of the tracker performance as a function of temperature was investigated. The tracks of charged particle events were reconstructed and used to study the tracking resolution, the detection efficiency of the tracker, and coherent X-ray backgrounds. A timing calibration of the time-of-flight subsystem was performed to measure the particle velocity. The flux as a function of flight altitude and as a function of velocity was extracted taking into account systematic instrumental effects. The developed analysis techniques will form the basis for future flights. |
| doi_str_mv | 10.1016/j.astropartphys.2013.11.009 |
| format | article |
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A prototype flight from Taiki, Japan was carried out in June 2012 to prove the performance of the GAPS instrument subsystems (Lithium-drifted Silicon tracker and time-of-flight) and the thermal cooling concept as well as to measure background levels. The flight was a success and the stable flight operation of the GAPS detector concept was proven. During the flight about 106 charged particle triggers were recorded, extensive X-ray calibrations of the individual tracker modules were performed by using an onboard X-ray tube, and the background level of atmospheric and cosmic X-rays was measured. The behavior of the tracker performance as a function of temperature was investigated. The tracks of charged particle events were reconstructed and used to study the tracking resolution, the detection efficiency of the tracker, and coherent X-ray backgrounds. A timing calibration of the time-of-flight subsystem was performed to measure the particle velocity. The flux as a function of flight altitude and as a function of velocity was extracted taking into account systematic instrumental effects. The developed analysis techniques will form the basis for future flights.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.astropartphys.2013.11.009</doi><tpages>17</tpages></addata></record> |
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| ispartof | Astroparticle physics, 2014-02, Vol.54, p.93-109 |
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| language | eng |
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| source | ScienceDirect Freedom Collection |
| subjects | Antideuteron Balloon flight Dark matter Indirect detection |
| title | The flight of the GAPS prototype experiment |
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