Zobrazeno 1 - 10
of 13
pro vyhledávání: '"John Poehlman"'
Autor:
Z.Q. Gosser, A. Alexander, John Poehlman, Sylvie Hudan, Brice E. Floyd, Romualdo deSouza, Michael J. Rudolph, Kyle Brown
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 632:133-136
Development of a multichannel time-of-flight system for readout of a segmented, ion-passivated, ion-implanted silicon detector is described. This system provides sub-nanosecond resolution ( δ t ≈ 370 ps ) even for low energy α particles which dep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19b101ea609d2465b3303fcacefe85ac
https://doi.org/10.1016/j.nima.2010.12.101
https://doi.org/10.1016/j.nima.2010.12.101
Publikováno v:
Analytical chemistry. 87(22)
Electrospray from nanopipets is used to realize scanning electrospray microscopy (SESM). This technique provides an ambient, noncontact method to investigate surface topography with distance dependence of electrospray current as feedback for imaging.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbf214de189d00a44db6a072b2f9e62f
https://pubmed.ncbi.nlm.nih.gov/26498974
https://pubmed.ncbi.nlm.nih.gov/26498974
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 569:815-823
A new approach in the signal processing and readout of highly segmented silicon detector arrays is described. The realization of this approach is Multiplexed Shaped Analog Electronics (MASE), an electronic system that allows the effective readout of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::506ab28e3e0c78b1913104b4989b374e
https://doi.org/10.1016/j.nima.2006.09.085
https://doi.org/10.1016/j.nima.2006.09.085
Autor:
J. Gauthier, C.J. Metelko, Sylvie Hudan, A.L. Keksis, G. Fleener, R. T. de Souza, Brian Stein, S. N. Soisson, S. Parketon, A. Alexander, F. Grenier, B. P. Davin, D. V. Shetty, D. Thériault, T. Paduszynski, John Poehlman, René Roy, P. Sprunger, N. Peters, A. B. McIntosh, C. Richers, R. Moore, E. Bell, G.A. Soulioutis, J. Iglio, J. Garey, Sherry Yennello
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 547:464-479
The design, construction, and performance of a new highly segmented charged particle detector array, FIRST, are described. This forward angle annular array ( 2 ∘ ⩽ θ lab ⩽ 28 ∘ ) has been developed to study peripheral and mid-central heavy-i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10caf5f97422e565485a69fe414c5d4e
https://doi.org/10.1016/j.nima.2005.04.011
https://doi.org/10.1016/j.nima.2005.04.011
Autor:
X.D Liu, R. Shomin, W. G. Lynch, B. P. Davin, R. T. de Souza, R. Alfaro, Giuseppe Verde, T. X. Liu, Andreas Wagner, K Bastin, Luc Beaulieu, L. G. Sobotka, Hu-Shan Xu, R. Yanez, J. Dorsett, L. Gelovani, J. Elson, M. B. Tsang, G. Fleener, Y. Larochelle, Wanpeng Tan, J. Yurkon, T. Lefort, A. Alexander, R. J. Charity, L. Morris, John Poehlman
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 473:302-318
A new high resolution, charged particle detector array, LASSA, has been developed. LASSA consists of nine individual telescopes that each utilizes a Si–Si–CsI(Tl) stack to provide isotopic identification of fragments (1⩽Z⩽8) with good angular
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ae2b0fc8bdbe546217fae4649047a95
https://doi.org/10.1016/s0168-9002(01)00295-9
https://doi.org/10.1016/s0168-9002(01)00295-9
Autor:
E. Renshaw Foxford, K. Komisarcik, J. Ottarson, D. S. Bracken, K. Kwiatkowski, John Poehlman, N. Madden, J. Brzychczyk, K.B. Morley, V. E. Viola, N.R. Yoder, J. Dorsett
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 360:571-583
A low threshold charged particle detector array for the study of fragmentation processes in light-ion-induced reactions has been constructed and successfully implemented at the IUCF and Saturne II accelerators. The array consists of 162-triple-elemen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84e17f473466567dac51ad9560bd64f9
https://doi.org/10.1016/0168-9002(95)00011-9
https://doi.org/10.1016/0168-9002(95)00011-9
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 46:741-760
Langmuir probe measurements were performed in the first vacuum stage of an inductively coupled plasma mass spectrometer as source and interface conditions were adjusted. Space and floating potentials were found to increase with first-stage backing pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4d62bcda88cbc455f750fc559711615
https://doi.org/10.1016/0584-8547(91)80079-i
https://doi.org/10.1016/0584-8547(91)80079-i
Autor:
Paul Garris, Phillip Greco, Stefan Sandberg, Greg Howes, Sirinun Pongmaytegul, Byron Heidenreich, Joseph Casto, Robert Ensman, John Poehlman, Andy Alexander, George Rebec
Publikováno v:
Frontiers in Neuroengineering Series ISBN: 9780849340758
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a544f6949be1a73e30f4786a849068b
https://doi.org/10.1201/9781420005868.ch12
https://doi.org/10.1201/9781420005868.ch12
Publikováno v:
Analytical chemistry. 77(3)
An improved directly digital flow controller is evaluated for its ability to modulate gas flow rates. As in the older device, the “GasDAC” (named for its similarity to a weighted-resistor digital-to-analog converter) is capable of controlling gas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ff5b94637e1c884ebff9d57e15bfed8
https://pubmed.ncbi.nlm.nih.gov/15679366
https://pubmed.ncbi.nlm.nih.gov/15679366
Autor:
Paul E. Langley, Phillip G. Greco, Stefan G. Sandberg, George V. Rebec, Paul A. Garris, Andy Alexander, John Poehlman, Robert Ensman, R. Mark Wightman
Publikováno v:
Journal of neuroscience methods. 140(1-2)
Fast-scan cyclic voltammetry (FSCV) at a carbon-fiber microelectrode (CFM) provides exquisite temporal and spatial resolution for monitoring brain chemistry. The utility of this approach has recently been demonstrated by measuring sub-second dopamine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81eb55b5f90b33818bb5b952e6a80d68
https://pubmed.ncbi.nlm.nih.gov/15589340
https://pubmed.ncbi.nlm.nih.gov/15589340