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Development of Micromegas detectors with resistive anode pads.

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Title: Development of Micromegas detectors with resistive anode pads.
Authors: Chefdeville, M.1 (AUTHOR) chefdevi@lapp.in2p3.fr, de Oliveira, R.2 (AUTHOR), Drancourt, C.1 (AUTHOR), Geffroy, N.1 (AUTHOR), Geralis, T.3 (AUTHOR), Gkountoumis, P.3 (AUTHOR), Kalamaris, A.3 (AUTHOR), Karyotakis, Y.1 (AUTHOR), Nikas, D.3 (AUTHOR), Peltier, F.1 (AUTHOR), Pizzirusso, O.2 (AUTHOR), Psallidas, A.3 (AUTHOR), Teixeira, A.2 (AUTHOR), Titov, M.4 (AUTHOR), Vouters, G.1 (AUTHOR)
Source: Nuclear Instruments & Methods in Physics Research Section A. Jul2021, Vol. 1003, pN.PAG-N.PAG. 1p.
Subjects: Detectors, Printed circuits, Diodes, Gas detectors
Abstract: A novel type of resistive Micromegas combining a Bulk mesh and a resistive pad board is presented. Readout pads are covered by a thin insulating layer with a top resistive coating segmented into resistive pads. Readout and resistive pads are electrically connected by means of planar resistors embedded in the insulator, enabling fast clearance of the avalanche charge from the resistive surface. The maximum gas gain achieved by these resistive detectors is similar to that of non-resistive Micromegas. A possible saturation of the gain for large energy deposits in the gas was investigated by means of 55Fe quanta and electromagnetic showers in the 30–200 GeV energy range, but no significant deviation from a proportional response was found. With a suitable choice of the resistance, these detectors demonstrate negligible gain drop and no sparking up to X-ray fluxes of ∼ 1 MHz / mm2 which constitutes a major improvement over non-resistive Micromegas. Spark suppression was also verified in a hadron beam for prototypes with a pad resistance as low as 40 k Ω or above. Passive protections of the front-end electronics against sparks (diodes on a printed circuit board) are therefore not required for these resistive detectors. [ABSTRACT FROM AUTHOR]
Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
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Header DbId: egs
DbLabel: Engineering Source
An: 150103704
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Development of Micromegas detectors with resistive anode pads.
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  Data: <searchLink fieldCode="AR" term="%22Chefdeville%2C+M%2E%22">Chefdeville, M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> chefdevi@lapp.in2p3.fr</i><br /><searchLink fieldCode="AR" term="%22de+Oliveira%2C+R%2E%22">de Oliveira, R.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Drancourt%2C+C%2E%22">Drancourt, C.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Geffroy%2C+N%2E%22">Geffroy, N.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Geralis%2C+T%2E%22">Geralis, T.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gkountoumis%2C+P%2E%22">Gkountoumis, P.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kalamaris%2C+A%2E%22">Kalamaris, A.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Karyotakis%2C+Y%2E%22">Karyotakis, Y.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nikas%2C+D%2E%22">Nikas, D.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Peltier%2C+F%2E%22">Peltier, F.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pizzirusso%2C+O%2E%22">Pizzirusso, O.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Psallidas%2C+A%2E%22">Psallidas, A.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Teixeira%2C+A%2E%22">Teixeira, A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Titov%2C+M%2E%22">Titov, M.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vouters%2C+G%2E%22">Vouters, G.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Nuclear+Instruments+%26+Methods+in+Physics+Research+Section+A%22">Nuclear Instruments & Methods in Physics Research Section A</searchLink>. Jul2021, Vol. 1003, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Printed+circuits%22">Printed circuits</searchLink><br /><searchLink fieldCode="DE" term="%22Diodes%22">Diodes</searchLink><br /><searchLink fieldCode="DE" term="%22Gas+detectors%22">Gas detectors</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A novel type of resistive Micromegas combining a Bulk mesh and a resistive pad board is presented. Readout pads are covered by a thin insulating layer with a top resistive coating segmented into resistive pads. Readout and resistive pads are electrically connected by means of planar resistors embedded in the insulator, enabling fast clearance of the avalanche charge from the resistive surface. The maximum gas gain achieved by these resistive detectors is similar to that of non-resistive Micromegas. A possible saturation of the gain for large energy deposits in the gas was investigated by means of 55Fe quanta and electromagnetic showers in the 30–200 GeV energy range, but no significant deviation from a proportional response was found. With a suitable choice of the resistance, these detectors demonstrate negligible gain drop and no sparking up to X-ray fluxes of ∼ 1 MHz / mm2 which constitutes a major improvement over non-resistive Micromegas. Spark suppression was also verified in a hadron beam for prototypes with a pad resistance as low as 40 k Ω or above. Passive protections of the front-end electronics against sparks (diodes on a printed circuit board) are therefore not required for these resistive detectors. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=150103704
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      – Type: doi
        Value: 10.1016/j.nima.2021.165268
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      – Code: eng
        Text: English
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    Subjects:
      – SubjectFull: Detectors
        Type: general
      – SubjectFull: Printed circuits
        Type: general
      – SubjectFull: Diodes
        Type: general
      – SubjectFull: Gas detectors
        Type: general
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      – TitleFull: Development of Micromegas detectors with resistive anode pads.
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              Text: Jul2021
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              Y: 2021
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