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- Tanaka, Y. K., et al.
(författare)
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WASA-FRS EXPERIMENTS IN FAIR PHASE-0 AT GSI
- 2023
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Ingår i: ACTA PHYSICA POLONICA B PROCEEDINGS SUPPLEMENT. - : Jagiellonian University.
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Konferensbidrag (refereegranskat)abstract
- We have developed a new and unique experimental setup integrating the central part of the Wide Angle Shower Apparatus (WASA) into the Fragment Separator (FRS) at GSI. This combination opens up possibilities of new experiments with high-resolution spectroscopy at forward 0 and measurements of light decay particles with nearly full solid-angle acceptance in coincidence. The first series of the WASA-FRS experiments have been successfully carried out in 2022. The developed experimental setup and two physics experiments performed in 2022 including the status of the preliminary data analysis are introduced.
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| 2. |
- Akimov, D., et al.
(författare)
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Physics with WASA and PROMICE
- 1994
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Ingår i: Physics with GeV-particle beams, Juelich 1994. ; , s. 519-530
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Konferensbidrag (refereegranskat)
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| 7. |
- Axelson, D.G., et al.
(författare)
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Dynamic axis scale with high accuracy for high speed measurement of vehicle mass
- 2010
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Ingår i: IMEKO 2010. ; , s. 61-64
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Konferensbidrag (refereegranskat)abstract
- As the demand for measuring objects in motion is increasing the need for a system to measure vehicles has been developed to measure mass of vehicle in dynamic motion. Using the concept of measuring the inertial mass of a moving vehicle instead of gravitational mass has proven successful for a purely dynamic problem. Since the measurement of a dynamic motion requires high speed sampling a scanning speed of the signal information is set at 1μs/sample. This is to ensure the movement of the structure is captured to full extent. Using dynamics, the inertial mass correlation between the Dynamic Axis Scale and the vehicle can be calculated from the dynamic state of the vehicle in motion. The achieved result is instantaneous and currently reliable from 0 km/h up to 80 km/h with an high accuracy with ± 5% of error tolerance of the measured mass provided the vehicle mass is restricted to EU regulation for public roads of 20 ton. Measuring the momentum of the vehicle and calculating the speed to the relation of mass, it can verify the dynamic calculation and thus confirm the inertial mass of the vehicle.
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| 8. |
- Iiyoshi, A., et al.
(författare)
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Muon catalyzed fusion, present and future
- 2019
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Ingår i: Proceedings of the international conference on advances and applications in plasma physics (aapp 2019). - : American Institute of Physics (AIP). - 9780735419261
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Konferensbidrag (refereegranskat)abstract
- The novel proposal of the Muon Catalyzed Fusion (MCF) concept is brought to light employing recent results on its relevant cross sections. In 1993, Kino et al. proposed an innovative scheme of MCF, employing non-adiabatic calculations of muonic atom-nucleus collision in the energy range from 10-3 eV to 100 eV, whereby the fusion in flight along with the formation of muonic molecular resonances was revisited [1]. In 1994, Froelich independently calculated the cross section up to 2 keV, and found the behavior of like resonance [2]. In 1996, Kino et al. examined these resonances, and concluded that the resonances were not suitable for MCF [3]. As a result, the research has been continued to examine the possibility of non-resonant In-flight Muon Catalyzed Fusion (IFMCF) calculating the muonic atom-nucleus collision cross-section with an improved precision within the optical model for nuclear reactions. The resultant fusion cross section was 2000 barns at 1.4 keV [4] which should be good enough to be used as a fast neutron source [5]. A research program has been initiated to confirm these results theoretically as well as experimentally. For the sake of the theoretical analysis, a few-body computer code has been put forward to handle the nuclear reactions for nucleon transfer. In this paper, an innovative compact reactor concept is proposed, based on IFMCF. In this concept, muons are injected to a gas target of D2 and T2, which is pressurized aerodynamically by the Mach shock wave using a supersonic stream generated in a Laval nozzle [6], [7]. It generates the output power of 28 MW with 1019 cm-3s-1 of fusions by supplying fresh muons of 1016 cm-3s-1 providing 1000 times of catalyzed cycle of reactions. To maintain Q values > 1, assuming 30% efficiency for thermal to electric conversion, the energy supply for muon production can be as low as 8 GeV/muons. One of the possible applications of muon catalyzed fusion is transmutation of long-lived fission products (LLFPs).
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