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Fabrication and test of a 70 000 channels electronic pad readout system for multi-step avalanche chambers

Publikováno v: Nuclear instruments & methods in physics research section a-Accelerators spectrometers detectors and associated equipment, 413(1), 92-104. ELSEVIER SCIENCE BV

A new readout concept based on a custom-design chip containing both analog and digital functions as well as ultra-thin mounting with the chip-on-board technique is presented. The full readout system as well as fabrication and testing is described. A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44b5d1a4125b4e7a0c57311e126cde1c
https://research.rug.nl/en/publications/20a27b62-39f7-4872-b3be-7301e0394f88

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Development of a potentially wearable glucose sensor for patients with diabetes mellitus: Design and in-vitro evaluation

Autor: F. J. Schmidt, H Hasper, R.G. Tiessen, A.J.M. Schoonen, D.A. Verbrugge, Coenraad F. Lerk

Publikováno v: Biosensors and Bioelectronics, 5(1), 37-46

A potentially wearable glucose sensor was developed, consisting of an oxygen electrode as detector and a dynamic enzyme perfusion system as selector. The selector is a hollow fibre, which can be placed subcutaneously and dialyses glucose from tissue

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95cc92b1d7ea7dbe99f23c54a13d5e62
https://research.rug.nl/en/publications/69b81fda-60de-41da-b691-c48f22e06b4f

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A fast data acquisition system for PHA and MCS measurements

Autor: C.J. Keyser, H. Hasper, P.J.A. Van Eijk, B.J. Rigterink

Publikováno v: Nuclear instruments & methods in physics research section a-Accelerators spectrometers detectors and associated equipment, 237(3), 554-558. ELSEVIER SCIENCE BV

A microprocessor controlled data acquisition system for pulse height analysis and multichannel scaling is described. A 4K×24 bit static memory is used to obtain a fast data acquisition rate. The system can store 12 bit ADC or TDC data within 150 ns.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fd086ce2f991eda1868dc07db170d36
https://research.rug.nl/en/publications/b77c4a06-cc5e-400d-9f76-733f7b131c95

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Evaporation and ripple formation during pulsed laser irradiation of GaAs

Autor: H. Hasper, K.G. Prasad, D.O. Boerma

Publikováno v: Physics Letters A, 93(5), 253-256. ELSEVIER SCIENCE BV

The evaporation of As and Ga during pulsed laser irradiation of GaAs single crystals was measured under vacuum. The data were reproduced in a thermal-model calculation. The laser power density useful for annealing was found to be limited both by exce

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad1f1f12e9b8b2bd0fcac5ed782faab1
https://hdl.handle.net/11370/c5b0814e-c4a8-4b27-bb6f-0b332d2e22f4

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High-resolution study of four-nucleon pickup via the (d, 6Li) reaction at Ed = 55 MeV on sd-shell nuclei

Autor: J.C. Vermeulen, A.G. Drentje, H. Hasper, L.W. Put, R. R. de Ruyter van Steveninck, Rudolf Siemssen, H. T. Fortune, J.F.A. Van Hienen

Publikováno v: Nuclear Physics A. 369:82-108

The 25 Mg(d, 6 Li) 21 Ne and 27 Al(d, 6 Li) 23 Na reactions were studied with a broad-range magnetic spectrograph at E d = 55 MeV with an energy resolution of ~ 40 keV. Angular distributions were obtained from θ lab = 10°–37° for some eighty tra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6bf0fd3d8d7d3dbab2446b488bdb5d3
https://doi.org/10.1016/0375-9474(81)90008-7

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Large scale shell-model calculations in the upper part of thesdshell: General description and energy levels forA=36−39

Autor: H. Hasper

Publikováno v: Physical Review C. 19:1482-1497

Results are presented of shell-model calculations for even and odd parity states in nuclei in the mass region A = 36 through A = 39. In the model space used particles in the 2s/sub 1/2/, 1d/sub 3/2/, 1f/sub 7/2/, and 2p/sub 3/2/ shells have been trea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f09e7b2634a00536083a6d527ddd3037
https://doi.org/10.1103/physrevc.19.1482

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Lifetime Measurements of Excited States inK38

Autor: Ph.B. Smith, H. Hasper

Publikováno v: Physical Review C. 8:2240-2244

Excitation energies and mean lives of levels in $^{38}\mathrm{K}$ up to 3.85 MeV, excited in the $^{40}\mathrm{Ca}(d,\ensuremath{\alpha}\ensuremath{\gamma})^{38}\mathrm{K}$ reaction at ${E}_{d}=4.421$ MeV, have been measured using the Doppler-shift a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::afa753eaf3a99c33c7f02d99907b6ba8
https://doi.org/10.1103/physrevc.8.2240

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