Kabushiki Kaisha Toshiba

Toshiba Energy Systems & Solutions Corporation

Masataka Suga

Naoto Kume

Tsukasa Sugita

Haruo Miyadera

Takuro Fujimaki

Yuki Nakai

Kohei Nobe

According to one embodiment, a charged-particle measurement apparatus comprising: a plurality of gas detectors in each of which gas for detecting passage of a charged particle is enclosed; a trajectory calculator configured to calculate a trajectory of the charged particle based on detection signals outputted from the gas detectors and each of the parameters associated with the gas detectors; a measurer configured to measure an object based on the trajectory of the charged particle, the object being a measurement target; a signal intensity acquirer configured to acquire signal intensity of the detection signals; an operating state monitor configured to evaluate the operating states of the gas detectors based on the signal intensity corresponding to the gas detectors; and a parameter updating processor configured to update at least one parameter when at least one of the operating states of the gas detectors associated with this parameter changes.

Charged-particle measurement apparatus and control method of charged-particle measurement apparatus

In one embodiment, a charged-particle trajectory measurement apparatus for measuring a trajectory of a cosmic ray muon as a charged particle includes: a plurality of detectors, each of which generates a detection signal at the time of detecting a cosmic ray muon; a signal processing circuit that processes the detection signal from the detector; a time calculator that calculates the generation time point of the detection signal from the detector on the basis of the signal outputted from the signal processing circuit; a trajectory calculator that calculates the trajectory of the cosmic ray muon on the basis of the generation time point of the detection signal and the positional information of the detector having detected the cosmic ray muon, wherein the signal processing circuit and each of the detectors are integrally configured by being coupled to each other.

Charged-particle trajectory measurement apparatus and charged-particle trajectory measurement method

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Kawasaki, Japan

Masataka Suga