CERN-RD39 collaboration activities aimed at cryogenic silicon detector application in high-luminosity Large Hadron Collider

Li, Zheng; Eremin, V.; Verbitskaya, E.; Dehning, B.; Sapinski, Mariusz; Bartosik, M.; Alexopoulos, Andreas V.; Kurfürst, Christoph; Härkönen, J.

doi:10.1016/j.nima.2015.09.070

Cited by 2 publications

(3 citation statements)

References 5 publications

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“…The test T2 was focused on the first comparison of the signals from irradiated Si detectors with standard and reduced thicknesses [10]. The use of thinned (100 µm) detectors as BLMs is stimulated by two factors.…”

Section: Jinst 12 C03036 3 Overview Of the Results Obtained In The Te...mentioning

confidence: 99%

“…• 2014: the second in situ irradiation test (T2) aimed at the first comparison between the radiation degradations at T = 4.2 K of detectors with standard and reduced (100 µm) thicknesses [10];…”

Section: Experimental Samples and Measurement Techniquementioning

confidence: 99%

“…As a consequence of our work silicon detector modules were installed on the end of the vessel containing superconductive coil of a magnet immersed in superfluid helium for their operation as BLMs in real experimental conditions [10,12].…”

Section: Jinst 12 C03036mentioning

confidence: 99%

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Development of silicon detectors for Beam Loss Monitoring at HL-LHC

et al. 2017

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Silicon detectors were proposed as novel Beam Loss Monitors (BLM) for the control of the radiation environment in the vicinity of the superconductive magnets of the High-Luminosity Large Hadron Collider. The present work is aimed at enhancing the BLM sensitivity and therefore the capability of triggering the beam abort system before a critical radiation load hits the superconductive coils. We report here the results of three in situ irradiation tests of Si detectors carried out at the CERN PS at 1.9–4.2 K. The main experimental result is that all silicon detectors survived irradiation up to 1.22× 1016 p/cm2. The third test, focused on the detailed characterization of the detectors with standard (300 μm) and reduced (100 μm) thicknesses, showed only a marginal difference in the sensitivity of thinned detectors in the entire fluence range and a smaller rate of signal degradation that promotes their use as BLMs. The irradiation campaigns produced new information on radiation damage and carrier transport in Si detectors irradiated at the temperatures of 1.9–4.2 K. The results were encouraging and permitted to initiate the production of the first BLM prototype modules which were installed at the end of the vessel containing the superconductive coil of a LHC magnet immersed in superfluid helium to be able to test the silicon detectors in real operational conditions.

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Section: Jinst 12 C03036 3 Overview Of the Results Obtained In The Te...mentioning

confidence: 99%

Section: Experimental Samples and Measurement Techniquementioning

confidence: 99%

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Development of silicon detectors for Beam Loss Monitoring at HL-LHC

et al. 2017

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Megaelectronvolt astronomy with HERMES: spectroscopy, polarimetry, and synergies with fast Cherenkov arrays

Krassilchtchikov

Bykov

Eremin

et al. 2019

J. Phys.: Conf. Ser.

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Sensitive observations of energetic space phenomena in the 0.3 – 10 MeV range are needed to investigate a number of hot issues of modern astrophysics and cosmology. With the advanced technology of thick double sided silicon strip detectors (Si-DSSDs) it is possible to construct a space-borne gamma-ray telescope with sensitivity 30-100 times better than that of CGRO/COMPTEL. Synergies of MeV range observations from space with GeV-TeV range spectra to be obtained with future fast and sensitive imaging atmospheric Cherenkov arrays (CTA, TAIGA-IACT, ALEGRO) would allow one to reveal complex mechanisms of energy conversion in transient gamma-ray objects, in particular, sources of gamma-ray bursts. In this short note we briefly outline most demanding objectives of 0.3 – 10 MeV range astronomy and present a schematic view of HERMES gamma-ray spectrometer being developed at the Ioffe Institute.

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CERN-RD39 collaboration activities aimed at cryogenic silicon detector application in high-luminosity Large Hadron Collider

Cited by 2 publications

References 5 publications

Development of silicon detectors for Beam Loss Monitoring at HL-LHC

Development of silicon detectors for Beam Loss Monitoring at HL-LHC

Megaelectronvolt astronomy with HERMES: spectroscopy, polarimetry, and synergies with fast Cherenkov arrays

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