... Imprimerie Commerciale, A. Caccia, Bonnemaison, Librairie Hachette & Cie, Micromégas, Dans Les Pyrénées, S. Comère, A. Schaeffner, Nouvel ...
1876 - Gale Group | NCCO Photography
... by micro pattern gaseous detectors (MPGD). The bulk-Micromegas MPGD is a micro mesh gaseous structure (MicroMeGaS) in which the woven micromesh is embedded on ... dead zones. We developed and improved the bulk-micromegas production methods to be suitable for a uniform, ... quality mass production of 34×36 cm2 bulk-micromegas modules of 1726 pads. Production of 72 bulk-micromegas modules, for an equivalent total readout surface of ... 55Fe X-ray source of the 32 bulk-micromegas produced so far. Gas gain and 5.9 ...
Tópico(s): Atomic and Subatomic Physics Research
2010 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
J. Traill Taylor, Piazzi Smyth, Rev. F. Hardwich, F. Beasley Jr., William Bedford, William Hanson, Henry Cooper, Thomas Gulliver, Geo. Kemp, Vernon Heath, A. L. Henderson, A. Davanne, Henry Cooper, Alfred Hughes, Francis G. Eliot, Capt. George Verney, Captain J. Waterhouse, Frank Doré, F. York, William Brooks, John Milner, J. Barker, E. W. Foxlee, Rev. C. H. Fynes-Clinton, Canon Beechey, Captain J. B. C. Fox, Rev. H. J. Palmer, R. Kennett, Lt. J. D. Lysaght, J. Johnston, Herbert B. Berkeley, Alex. Henderson, Richard Parr, Leon Warnerke, George Dawson, A. H. Bool, C. Ferranti, P. Piquepé, Thomas H. Chaffin, J. Pollitt, J. R. Sawyer, W. H. Sherman, John A. Spencer, S. W. Rouch, A. Johnston, Ellerslie Wallace Jr., J. Werge, Reuben Mitchell, Edward Dunmore, Herbert B. Berkeley, A. Alonzo Ferrari, J. T. Scott, William Cobb, Léon Vidal, Samuel Fry, William Ferguson, G. Watmough Webster, Robert Faulkner, P. Le Neve Foster, W. T. Wilkinson, J. W. Gough, W. B. Bolton, W. J. Baker, Alexander Cowan, Thomas J. Pearsall, George Mansfield, H. C. Jennings, Mark Oute, Capt. George Verney, William White, W. A. Brice, J. C. Stenning, W. F. Henry, John M'andrew, R. V. Harman, J. Barker, Thomas Gulliver, W. E. Batho, Frank M. Sutcliffe, P. Hardwick, W. Neilson, Walter B. Woodbury, Richard Crowe, T. Protheroe, J. Johnston, James Ross, Robert C. Murray, W. H. Hatcher, Edward Viles, E. Stebbing, George F. Dew, W. M. Ayres, James Harris, A. Ford Smith, Arthur F. Fenton, John W. Newall, J. M. Young, J. Phillips, Baynham Jones, W. E. Debenham, H. J. Burton, Warwick Brookes, E. Stebbing, James Syrus Tulley, J. T. Hackett, George F. Dew,
... The Patented Inventions of the past Year Hermagis' Micromegas, A Soft Printing-Frame, How to Mend a ...
1877 - Gale Group | NCCO Photography
T. Alexopoulos, M. Bianco, M. Biglietti, C. Bini, M. Byszewski, G. Iakovidis, P. Iengo, M. Iodice, E. Karentzos, S. Leontsinis, K. Ntekas, F. Petrucci, G. Sekhniaidze, O. Sidiropoulou, M. Vanadia, J. Wotschack,
... Collider at CERN has endorsed the resistive-strip micromegas technology for the high luminosity upgrade of the ... In order to demonstrate that the resistive-strip micromegas technology fulfils these requirements, small resistive bulk micromegas have been studied with radioactive sources and with high energy beams. The micromegas chambers were operated with an Ar+7%CO2 ... alignment of readout and resistive strips on the micromegas performance has been quantified. In view of the fact that the micromegas detectors will also contribute to the trigger in ...
Tópico(s): CCD and CMOS Imaging Sensors
2019 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
William Crookes, James Martin, A. H. Braun, W. E. Debenham, J. H. Hermagis, Charles Pearce, M. J. Girard, Dr. H. Vogel,
... 5, 1876, The Photographic News. Essay: Photographs Registered, Micromegas, Fixing Colours on Photographs and Drawings, Multiplication of ...
1876 - Gale Group | NCCO Photography
S. Kane, J. May, J. Miyamoto, I. P. J. Shipsey,
... first study of the aging behavior of a MICROMEGAS detector with gas electron multiplier (GEM) preamplification. Because a MICROMEGAS is constructed with minimal insulation and because the ... gas mixture in a stand-alone device. The MICROMEGAS is expected to tolerate an even larger accumulated ... mixture, such as Ar–CO2. However, using a MICROMEGAS as a stand-alone device in this mixture ... a large gain, sharing the gain between a MICROMEGAS and the GEM creates a high-gain, very radiation-hard gas detector. We find that a MICROMEGAS+GEM combination exhibits no deterioration in performance after ...
Tópico(s): CCD and CMOS Imaging Sensors
2003 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
S. H. HABERSHON., CECIL WALL., E. H. COLBECK., SYDNEY OWEN., ARTHUR T. DAVIES., R. MURRAY LESLIE., D. BARTY KING., THOMAS D. LISTER., T. N. KELYNACK., A. G. LEVY., A POOR LAW GUARDIAN., H. H. HELSHAM-JONES., H. O. WATERFIELD., L. BLIN DESBLEDS, THOS. GIBSON BOWLES., ALFRED PERCEVAL GRAVES, , M. C. E., C., G. H. SAVAGE., MICROMEGAS., AUBREY T. LAWRENCE., DAVID L. SALOMONS., W. J. COURTHOPE., Our Berlin Correspondent, ONE OF THE RELATIONS., E. G. WALKER., F. W. EDRIDGE-GREEN., J. MAC CONNELL., DENBIGH.,
Births. Marriages. Deaths. Classified Advertising: Theatres, &c., Personal., Pleasure Tours., Shipping., Business Requisites., Banks., Miscellaneous Companies.. ...
1913 - Gale Group | TDA
T. Alexopoulos, Azmi Ali Altıntaṣ, M. G. Alviggi, M. Arik, S. A. Çetin, V. Chernyatine, E. Cheu, D. della Volpe, M. Dris, D. Fassouliotis, E. N. Gazis, R. Giordano, V. Gratchev, L. Guan, P. Iengo, P. Ioannou, C. Li, K. A. Johns, V. Kaushik, A. Khodinov, C. Kourkoumelis, S. Maltezos, K. Mermigka, H. Müller, K. Nikolopoulos, W. Park, S. Persembe, C. Petridou, R. Petti, V. Polychronakos, Milind Purohit, D. Sampsonidis, G. Sekhniaidze, M. Shao, Y.J. Sun, G. Tsipolitis, R. Veenhof, Xiaogang Wang, J. Wotschack, S. X. Wu, T. Zhao, Z. Zhao,
... in the highest rapidity region. MAMMA, Muon ATLAS Micromegas Activity, is an ongoing R&D activity with ... to develop large detectors based on the bulk-Micromegas technology for use in the ATLAS Muon Spectrometer. Micromegas is a good potential candidate for the construction ... rates expected at the SLHC. A medium size Micromegas prototype, in scale 1:10 of the final ... are presented. The results indicate that large size Micromegas is a viable candidate for ATLAS Muon upgrade
Tópico(s): Muon and positron interactions and applications
2009 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
H. Lin, D. Calvet, Lei Chen, Xun Chen, T. Dafní, Changbo Fu, J. Galán, K. Han, S. Hu, Yi-Kai Huo, I.G. Irastorza, X. Ji, X. Li, X. Li, J. Liu, H. Mirallas, D. Neyret, Kai Ni, H. Qiao, Xiangxiang Ren, Shuowen Wang, S. Wang, Y. Yang, Y. Yuan, Tao Zhang, L. Zhao,
... high pressure gaseous Time Projection Chamber (TPC) with Micromegas modules for charge readout. The detector vessel has ... readout plane, which accommodates a tessellation of seven Micromegas modules. Each of the Micromegas covers a square of 20 cm by 20 cm. A new type of Microbulk Micromegas is chosen for this application due to its ... low radioactive contamination. Initial commissioning results with 1 Micromegas module running with 1 bar argon and isobutane ...
Tópico(s): Radiation Detection and Scintillator Technologies
2018 - Institute of Physics | Journal of Instrumentation
J. Pancin, S. Andriamonje, S. Aune, A. Giganon, Y. Giomataris, J.F. Lecolley, M. Riallot, R. De Rosa,
... range and insensitive to X- and γ-rays. Micromegas technology has been proposed to achieve this goal. The ability of Micromegas to detect neutrons over a wide energy range ... certain conditions, insensitive to γ-rays. A new Micromegas neutron detector called Piccolo Micromegas has been designed to get integrated neutron fluxes ... different energy domains. For the first time, Piccolo Micromegas has been placed in the core of a ...
Tópico(s): Nuclear Physics and Applications
2008 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
T. Alexopoulos, G. Iakovidis, G. Tsipolitis,
The Muon ATLAS Micromegas Activity (MAMMA) focuses on the development and testing of large-area muon detectors based on the bulk-Micromegas technology. These detectors are candidates for the upgrade ... developed. The response and sparking properties of resistive Micromegas detectors were successfully tested in a mixed (neutron ... effect of 5.5 MeV neutrons impinging on Micromegas detectors. The response of the Micromegas detectors on the photons originating from the inevitable ...
Tópico(s): Radiation Effects in Electronics
2012 - Institute of Physics | Journal of Instrumentation
C. Adloff, J. Blaha, M. Chefdeville, A. Dalmaz, C. Drancourt, A Espargilière, R. Gaglione, Y. Karyotakis, Julie Prast, G. Vouters,
... sampling hadronic calorimeter with gaps instrumented with thin MICROMEGAS chambers of small pad size and single bit ... an experiment at a future linear collider. Several MICROMEGAS chambers with 1 cm2 anode pads were fabricated ... plates was used to assess the behaviour of MICROMEGAS in 2 GeV/c electron showers. Longitudinal and ... for the construction of a 1 m3 DHCAL MICROMEGAS prototype as large and thin chambers can be ...
Tópico(s): Particle accelerators and beam dynamics
2010 - Institute of Physics | Journal of Instrumentation
G. Bélanger, F. Boudjema, A. Pukhov, A. Semenov,
... of a fatal error in an RGE program, micrOMEGAs now continues operation while issuing a warning that ... use "kill -9 -N" where N is the micrOMEGAs process id, all child processes launched by micrOMEGAs will be killed at once. Following the last ... mass of the CP-odd Higgs so that micrOMEGAs can now use SoftSUSY for spectrum calculation with ... for initialisation purposes. We have removed bugs in micrOMEGAs-Isajet interface in case of non-universal SUGRA. $( ...
Tópico(s): Stellar, planetary, and galactic studies
2007 - Elsevier BV | Computer Physics Communications
F. Belloni, F. Gunsing, T. Papaevangelou,
Micromegas-based detectors are used in a wide variety of neutron experiments. Their fast response meets the ... time resolution. The possibility of constructing low mass Micromegas detectors makes them appropriate for beam imaging and ... measurements. The good particle discrimination capability allows using Micromegas for neutron induced fission and (n, α) cross- ... possibility of performing neutron computed tomography (CT) with Micromegas as neutron detectors, but also of exploiting its ...
Tópico(s): Nuclear Physics and Applications
2013 - World Scientific | Modern Physics Letters A
I.G. Irastorza, Francisco Aznar, J. Castel, S. Cebrián, T. Dafní, J. Galán, José Miguel Alonso Garcia, J.G. Garza, H. Gómez, D C Herrera, F.J. Iguaz, G. Luzón, H. Mirallas, E. Ruiz, L. Seguí, A. Tomás,
... Time Projection Chambers (TPCs) with Micromesh Gas Structures (Micromegas) in rare event searches like double beta decay, ... 136Xe in a high pressure Xe (HPXe) TPC. Micromegas of the microbulk type have been extensively studied ... the detection concept in realistic experimental conditions. Microbulk Micromegas are able to image the DBD ionization signature ... of reach of other experimental implementations. Moreover, microbulk Micromegas have very low levels of intrinsic radioactivity, and ... scaling-up options. All these results demonstrate that Micromegas-read HPXe TPC remains a very competitive technique ...
Tópico(s): Neutrino Physics Research
2016 - Institute of Physics | Journal of Cosmology and Astroparticle Physics
Andrew Acker, D. Attié, S. Aune, J. Ball, P. Baron, Quentin Bertrand, D. Besin, T. Bey, F. Bossù, R. Boudouin, M. Boyer, Guillaume Christiaens, Pascal Contrepois, M. Defurne, E. Delagnes, M. Garçon, Frédéric Georges, J. Giraud, R. Granelli, N. Grouas, C. Lahonde‐Hamdoun, Thierry Lerch, I. Mandjavidze, O. Meunier, Y. Moudden, S. Procureur, M. Riallot, F. Sabatié, M. Vandenbroucke, E. Virique,
The Micromegas Vertex Tracker was designed to improve upon the tracking capabilities of the baseline design of the CLAS12 ... in Hall B at Jefferson Laboratory. A Barrel Micromegas Tracker made with six concentric cylinders, each made ... surrounds the Silicon Vertex Tracker, and a Forward Micromegas Tracker composed of 6 disks is placed 30 ... in a 5 T solenoid magnetic field. All Micromegas elements are based on resistive technology to withstand ...
Tópico(s): Plasma Diagnostics and Applications
2020 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Danyang Zhu, Shubin Liu, C. Q. Feng, Cheng Li, J. Dong, Haolei Chen, Zhen Chen, Jiang Pan,
... radio-pure high-pressure gaseous xenon TPC with Micromegas detectors at both ends and cathode in the ... A small-scale TPC equipped with 7 Microbulk Micromegas detectors is developed as the prototype detector. 128 ... mm pitch (64 channels each direction) from one Micromegas module. Highly integrated front-end electronics composed of ... channels is designed to readout the charge of Micromegas anode signals, digitize the waveform after shaping and ... carried out and the hit map of 7 Micromegas has been reconstructed.
Tópico(s): Radiation Detection and Scintillator Technologies
2019 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Nuclear Science
F. Jeanneau, Robert Junca, J. Pancin, M. Voytchev, S. Andriamonje, V. Dangendorf, Isabelle Espagnon, Hans Friedrich, A. Giganon, I. Giomataris, A. Menelle, A. Pluquet, Luis Rouco,
The micropattern gaseous detector Micromegas has been developed for several years in Saclay and presents good performance for neutron detection. A prototype for neutron imaging ... multiwire cable has been performed using a 1D Micromegas prototype. The number of pillars supporting the micromesh ... around 160 /spl mu/m (standard deviation) using Micromegas operating in double amplification mode. Several 2D imaging ... fabrication defects that occurred during the manufacture of Micromegas and that are limiting the full potential of ...
Tópico(s): Radiation Detection and Scintillator Technologies
2006 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Nuclear Science
H. van der Graaf, Arno Aarts, M. Chefdeville, S. van der Putten,
... gas-filled detector in which we combine a Micromegas with a CMOS pixel chip. In a next step, a procedure to construct a Micromegas-like grid onto a Si wafer, using chip ... has been developed. An ageing test of a Micromegas chamber has been carried out. After verifying the ...
Tópico(s): Radiation Detection and Scintillator Technologies
2006 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
P. Bhattacharya, Supratik Mukhopadhyay, Nayana Majumdar, S. Bhattacharya,
Abstract Micromegas detector is considered to be a promising candidate for a large variety of high-rate experiments. Micromegas of various geometries have already been established as ... effect of spacers on different detector characteristics of Micromegas detectors having various amplification gaps and mesh hole ... as electron transparency, gain and signal of the Micromegas detector have been estimated.
Tópico(s): Radiation Detection and Scintillator Technologies
2015 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Th. Zerguerras, B. Génolini, V. Lepeltier, J. Peyré, J. Pouthas, P. Rosier,
Micro-Pattern Gaseous Detectors (MPGDs) such as Micromegas or GEM are used in particle physics experiments for their capabilities in particle tracking at high rates. Their excellent position resolutions are well ... two contributions to the energy resolution of a Micromegas detector. The method relies on the injection of a controlled number of electrons. The Micromegas has a 1.6-mm drift zone and ...
Tópico(s): Plasma Diagnostics and Applications
2009 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Francisco Aznar, J. Castel, Finn E. Christensen, T. Dafní, Todd A. Decker, E. Ferrer-Ribas, José Miguel Alonso Garcia, I. Giomataris, J.G. Garza, C.J. Hailey, R.M. Hill, F.J. Iguaz, I.G. Irastorza, Anders C. Jakobsen, G. Luzón, H. Mirallas, T. Papaevangelou, M. J. Pivovaroff, J. Ruz, T. Vafeiadis, Julia K. Vogel,
... x-ray detection line composed of a shielded Micromegas detector of the microbulk technology. The detector is ... for axion research, and the first time a Micromegas detector has been operated with an x-ray ... solar axions. The combination of the XRT and Micromegas detector provides the best signal-to-noise ratio ...
Tópico(s): Atomic and Subatomic Physics Research
2015 - Institute of Physics | Journal of Cosmology and Astroparticle Physics
T. Dafní, E. Ferrer-Ribas, I. Giomataris, P. Gorodetzky, F.J. Iguaz, I.G. Irastorza, P. Salin, A. Tomás,
The latest Micromesh Gas Amplification Structures (Micromegas) are achieving outstanding energy resolution for low energy photons, with values as low as 11% FWHM for the 5.9 keV line ... Xe mixtures due to the possible application of Micromegas readouts to the Double Beta Decay search of $^{ ... of energy resolution with state-of-the-art Micromegas using a 5.5 MeV alpha source in ...
Tópico(s): Neutrino Physics Research
2009 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
S. Cebrián, T. Dafní, E. Ferrer-Ribas, J. Galán, I. Giomataris, H. Gómez, F.J. Iguaz, I.G. Irastorza, G. Luzón, R. De Oliveira, A. Rodríguez, L. Seguí, A. Tomás, J.A. Villar,
Micromesh gas amplification structures (Micromegas) are being used in an increasing number of particle physics applications since their conception 14 years ago. More recently, they ... paper, the first measurement of the radiopurity of Micromegas planes obtained by high purity germanium spectrometry in ... LSC) is presented. The obtained results prove that Micromegas readouts of the microbulk type are currently manufactured ...
Tópico(s): Neutrino Physics Research
2010 - Elsevier BV | Astroparticle Physics
M.S. Dixit, D. Attié, A. Bellerive, K. Boudjemline, P. Colas, A. Giganon, I. Giomataris, V. Lepeltier, S. Liu, J.P. Martin, K. Sachs, Yun-Ha Shin, S.M. Turnbull,
... mm x 6 mm pads with GEMs and Micromegas in cosmic ray tests and in a KEK ... 1 Tesla magnet. We have recently tested a Micromegas-TPC using the charge dispersion readout concept in ... field super-conducting magnet at DESY. The measured Micromegas gain was found to be constant within 0. ...
Tópico(s): Dark Matter and Cosmic Phenomena
2007 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
P.K. Lightfoot, R.J. Hollingworth, N.J.C. Spooner, D. R. Tovey,
A Micromegas micro pattern charge readout device has been operated at room temperature in Argon and Xenon from 1 ... compared with existing data. For the first time Micromegas was operated in double-phase Xenon charge produced ... min due to condensation of Xenon within the Micromegas and the corresponding collapse of the amplification field. ...
Tópico(s): Atomic and Subatomic Physics Research
2005 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
P. Colas, I. Giomataris, V. Lepeltier,
We present ion backflow measurements in a Micromegas (MICRO-MEsh GASeous detector) TPC device developed for the next high-energy electron–positron linear collider under study and a simple explanation for this backflow. A Micromegas micromesh has the intrinsic property to naturally stop ... in the electric field conditions foreseen for the Micromegas TPC (drift and amplification fields, respectively, equal to ...
Tópico(s): Silicon Carbide Semiconductor Technologies
2004 - Elsevier BV | Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Francisco Aznar, J. Castel, S. Cebrián, T. Dafní, A. Diago, José Miguel Alonso Garcia, J.G. Garza, H. Gómez, D. González-Díaz, D C Herrera, F.J. Iguaz, I.G. Irastorza, G. Luzón, H. Mirallas, M. A. Oliván, Aritra De, Solórzano, P. Pons, A. Rodríguez, E. Ruiz, L. Seguí, A. Tomás, J.A. Villar,
Micromesh gas amplification structures (Micromegas) can be used as readout of Time Projection Chambers in the field of Rare Event searches dealing with dark matter, ... the activity levels of materials used in the Micromegas planes and also in other components involved in ... In particular, first results for the activity of Micromegas readouts of the microbulk type produced at CERN ...
Tópico(s): Particle physics theoretical and experimental studies
2013 - Institute of Physics | Journal of Instrumentation