Publications
173 results found
Araújo HM, Howard A, Shaul DNA, et al., 2003, Electrostatic charging of cubic test masses in the LISA mission, 4th International LISA Symposium, Publisher: IOP PUBLISHING LTD, Pages: S311-S319, ISSN: 0264-9381
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- Citations: 27
Araujo HM, Howard A, Davidge D, et al., 2003, Charging of isolated proof masses in satellite experiments such as LISA, Bellingham, Conference on Gravitational-Wave Detection, Waikoloa, Hawaii, 23 - 25 August 2002, Publisher: SPIE - International Society for Optical Engineering, Pages: 55-66
Akimov DY, Batyaev VF, Borovlev SP, et al., 2003, Liquid Xenon for WIMP searches: measurement with a two-phase prototype, River Edge, NJ, Proceedings of the fourth international workshop on the identification of dark matter, York, UK, 2 - 6 September 2002, Publisher: World Scientific, Pages: 371-376
Sumner TJ, Araujo H, Davidge D, et al., 2003, STEP (satellite test of the equivalence principle), Gravitational waves and experimental gravity, proceedings XXXVIIIth Rencontre de Moriond, Pages: 355-359
Araujo HM, Howard A, Davidge D, et al., 2003, Charging of isolated proof masses in satellite experiments such as LISA, Bellingham, Conference on Gravitational-Wave Detection, Waikoloa, Hawaii, 23 - 25 August 2002, Publisher: SPIE - International Society for Optical Engineering, Pages: 55-66
Sumner TJ, Araujo H, Davidge D, et al., 2003, Radiation effects on gravitational reference sensors (isolated proof-masses) in space - LISA, Gravitational waves and experimental gravity, proceedings XXXVIIIth Rencontre de Moriond, Pages: 177-181
Dawson J, Araujo H, Bewick A, et al., 2002, Zeplin III - a two phase xenon dark matter detector, Berlin, 4th international conference on dark matter in astro- and particle physics (DARK 2002), Publisher: Springer-Verlag, Pages: 485-491
Dawson J, Araujo H, Bewick A, et al., 2002, Zeplin III - a two phase xenon dark matter detector, Berlin, 4th international conference on dark matter in astro- and particle physics (DARK 2002), Cape Town, South Africa, 4 - 9 February 2002, Publisher: Springer-Verlag, Pages: 485-491
Araújo HM, Walker RJ, Rinehart SA, et al., 2001, Assessment of the 200-μm atmospheric window for ground-based astronomy, INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES, Vol: 22, Pages: 965-982, ISSN: 0195-9271
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- Citations: 1
Araujo H, Stahl A, Miller D J, 2001, A Lead Tungstate Detector with Integrated Light Readout for the TESLA Luminosity Calorimeter, Linear Collider Notes, Publisher: DESY, LC-DET-2001-80
Araújo HM, Puplett EF, White GJ, 2000, Optimizing phonon-cooled Nb hot-electron bolometers, JOURNAL OF APPLIED PHYSICS, Vol: 88, Pages: 6801-6807, ISSN: 0021-8979
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- Citations: 1
Semaltianos NG, Araujo H, Wilson EG, 2000, Polymerization of Langmuir-Blodgett films of diacetylenes, SURFACE SCIENCE, Vol: 460, Pages: 182-189, ISSN: 0039-6028
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- Citations: 9
Wood KP, Araújo H, 2000, Broad-band fast detection in NbHEBs, 25th International Conference on Infrared and Millimeter Waves, Publisher: IEEE, Pages: 139-140
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- Citations: 1
Araújo H, White GJ, 1999, Numerical modelling of the diffusion cooling response in superconducting hot-electron mixers, 1998 Applied Superconductivity Conference, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 4229-4232, ISSN: 1051-8223
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- Citations: 4
Araujo HM, Chepel VY, Lopes MI, et al., 1998, Study of bialkali photocathodes below room temperature in the UV/VUV region, 1997 Nuclear Science Symposium, Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 542-549, ISSN: 0018-9499
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- Citations: 21
Araüjo HM, 1998, Study of bialkali photocathodes below room temperature in the uv/vuv region, IEEE Transactions on Nuclear Science, Vol: 45, Pages: 542-549, ISSN: 0018-9499
Two photomultiplier tubes with bialkali photocathodes and fused silica windows (2″ Philips XP2020Q and 1-1/8" Hamamatsu R1668) were studied between room temperature and -160°C, illuminated in dc mode in the UV/VUV wavelength range. The photomultipliers were operated as diodes, with direct measurement of the current of photoelectrons, in order to study in detail the effects associated to the photocathode. The influence of light intensity, applied voltage and illuminated area on the response as a function of temperature were investigated. The increase of the electrical resistivity of the emissive layer upon cooling proved to be responsible for a loss of linearity of the photocathode response, leading ultimately to the complete absence of signal at low temperature. A simplified model is presented that accounts for some experimental results. An unexpected increase of response below room temperature was also found at 170 nm. © 1998 IEEE.
Araujo HM, Chepel VY, Lopes MI, et al., 1998, Study of bialkali photocathodes below room temperature in the UV/VUV region, Nuclear Science, IEEE Transactions on Nuclear Science, Vol: 45, Pages: 542-549
Araujo HM, Chepel VY, Lopes MI, et al., 1997, Low temperature performance of photomultiplier tubes illuminated in pulsed mode by visible and vacuum ultraviolet light, Review of Scientific Instruments, Vol: 68, Pages: 34-40
Chepel VY, Lopes MI, Araujo HM, et al., 1995, Liquid xenon multiwire chamber for positron tomography, 7th International Wire Chamber Conference, Publisher: ELSEVIER SCIENCE BV, Pages: 58-61, ISSN: 0168-9002
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- Citations: 9
POLICARPO APL, CHEPEL V, LOPES MI, et al., 1995, OBSERVATION OF ELECTRON MULTIPLICATION IN LIQUID XENON WITH A MICROSTRIP PLATE, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Vol: 365, Pages: 568-571, ISSN: 0168-9002
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- Citations: 23
CHEPEL VY, ARAUJO HM, LOPES MI, et al., 1995, LOW-TEMPERATURE TEST OF PHOTOMULTIPLIER TUBES, 6th International Symposium on Radiation Physics (ISRP-6), Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: 495-496, ISSN: 0969-8043
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- Citations: 1
Chepel VY, Lopes MI, Araujo HM, et al., 1995, Liquid xenon multiwire chamber for positron tomography, Nucl. Instrum. Meth. Phys. Res. A, Vol: 367, Pages: 58-61
CHEPEL VY, LOPES MI, ARAUJO HM, et al., 1994, First tests of a liquid xenon multiwire drift chamber for PET, 1994 Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), Publisher: I E E E, Pages: 1155-1159
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