High impedance discrete delay-line readout circuit for silicon strip detector

Vind, R. P.; Inkar, A.L.; Choudhury, R. K.; Nayak, B.K.; Saxena, A.; Thomas, R. G.; Biswas, D. C.; John, B. V.

doi:10.1016/j.nima.2007.06.047

Cited by 4 publications

(1 citation statement)

References 8 publications

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“…Measurements were carried out in two separate experiments. In the first experiment, the fission fragments were detected using a position sensitive 32-strip silicon detector (SSD) having delay line read-out [15] with an angular opening of ∼32 • and centered at 150 • with respect to the beam direction. In the second experiment, a position sensitive gridded gas ionization chamber consisting of E gas and E gas elements [16] was used to detect fission fragments.…”

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confidence: 99%

Systematics of pre- and near-scissionα-particle multiplicities in heavy-ion-induced fusion-fission reactions

et al. 2011

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The α-particle energy spectra have been measured in coincidence with fission fragments over a wide range of relative angles with respect to fragment emission direction in the 11 B (62 MeV) + 232 Th reaction. The α-particle multiplicity spectra have been fitted with moving source model to extract the prescission (α pre ) and near-scission (α nse ) components. The present results, along with available data from the literature over a wide range of Z 2 /A and the excitation energy of a compound system, have been analyzed to develop certain global features of the pre-and near-scission emission characteristics. It is seen that α pre values when normalized to E 2.3 CN (E CN is the compound nucleus excitation energy) show a systematic linearly increasing trend with the α-particle emission Q value (Q α ). The fraction of near-scission multiplicity is observed to be nearly the same at around 10% of the total prescission multiplicity for all the systems.

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confidence: 99%

Systematics of pre- and near-scissionα-particle multiplicities in heavy-ion-induced fusion-fission reactions

et al. 2011

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Signal Processing for Radiation Detectors

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An integrated microsystem with dielectrophoresis enrichment and impedance detection for detection of Escherichia coli

Wang

Liu

et al. 2017

Biomed Microdevices

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An integrated microsystem device with matched interdigitated microelectrode chip was fabricated for enrichment and detection of Escherichia coli O157:H7. The microsystem has integrated with positive dielectrophoresis (pDEP) enrichment and in situ impedance detection, whose total volume is only 3.0 × 10 m, and could provide impedance testing voltages of 0 ~ 10 V, detection frequencies of 1 KHz ~ 1 MHz, DEP excitation signals with amplitude of 0 ~ 10 Vpp and frequencies of 1KHz ~ 1 MHz, which fully meets the demands of pDEP enrichment and impedance detection for bacteria. The microfluidic chip with interdigitated microelectrodes was manufactured by microfabrication methods. The interdigital microelectrode array has sufficient contact area with a bacterial suspension to improve enrichment efficiency and detection sensitivity. Bacteria in the interdigital microelectrode area of the microfluidic chip were firstly captured and enriched by pDEP. Then, in situ impedance detection of the enriched bacteria was realized by switching test conditions. Using the self-assembly microsystem, a novel quantitative detection method was established and demonstrated to detect Escherichia coli O157:H7. Experimental results showed that the detection limits of Escherichia coli O157:H7 was 5 × 10 cfu mL, and testing time was only 6 min under the optimized detection voltage of 100 mV and frequency of 500 KHz. The method was successfully used to detect Escherichia coli O157:H7 in synthetic chicken synthetic samples.

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High impedance discrete delay-line readout circuit for silicon strip detector

Cited by 4 publications

References 8 publications

Systematics of pre- and near-scissionα-particle multiplicities in heavy-ion-induced fusion-fission reactions

Systematics of pre- and near-scissionα-particle multiplicities in heavy-ion-induced fusion-fission reactions

Position Sensing

An integrated microsystem with dielectrophoresis enrichment and impedance detection for detection of Escherichia coli

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