Preparing for science run 1 of MiniGrail

A. de Waard, A. de Waard, M. Bassan, Y. Benzaim, V. Fafone, Jakob Flokstra, G. Frossati, L. Gottardi, C.T. Herbschleb, A. Karbalai-Sadegh, K.H. Kuit, H. van der Mark, Y. Minenkov, J.B.R. Oonk, G.V. Pallottino, J. Pleikies, A. Rocchi, O. Usenko, M. Visco

Research output: Contribution to journalArticleAcademicpeer-review

17 Citations (Scopus)

Abstract

We report on the eighth cryogenic run of MiniGRAIL, which is planned to be the first science run. Three new capacitive transducers were mounted on the sphere, all coupled to superconducting transformers and a double-stage SQUID amplifier. All SQUID modules had a noise level between 1 and 2 μΦ0 Hz−1/2 at 4 K in separate test runs. The detector was upgraded with a complete data acquisition and data storage system, and a data analysis program for millisecond burst signals was written using a matched filter. Two cosmic-ray detectors were built and installed on the roof above MiniGRAIL as a veto for cosmic rays. A test run was done, but failed because of bad electrical isolation of the transducer electrode at low temperatures. A new cool-down is currently going on. With an already obtained sphere temperature of 65 mK and a SQUID noise of 100, the expected sensitivity should be 4 × 10−22 Hz−1/2.
Original languageUndefined
Pages (from-to)79-84
Number of pages6
JournalClassical and quantum gravity
Volume23
Issue number8
DOIs
Publication statusPublished - 2006

Keywords

  • METIS-234890
  • IR-61503

Cite this

de Waard, A., de Waard, A., Bassan, M., Benzaim, Y., Fafone, V., Flokstra, J., ... Visco, M. (2006). Preparing for science run 1 of MiniGrail. Classical and quantum gravity, 23(8), 79-84. https://doi.org/10.1088/0264-9381/23/8/S11
de Waard, A. ; de Waard, A. ; Bassan, M. ; Benzaim, Y. ; Fafone, V. ; Flokstra, Jakob ; Frossati, G. ; Gottardi, L. ; Herbschleb, C.T. ; Karbalai-Sadegh, A. ; Kuit, K.H. ; van der Mark, H. ; Minenkov, Y. ; Oonk, J.B.R. ; Pallottino, G.V. ; Pleikies, J. ; Rocchi, A. ; Usenko, O. ; Visco, M. / Preparing for science run 1 of MiniGrail. In: Classical and quantum gravity. 2006 ; Vol. 23, No. 8. pp. 79-84.
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de Waard, A, de Waard, A, Bassan, M, Benzaim, Y, Fafone, V, Flokstra, J, Frossati, G, Gottardi, L, Herbschleb, CT, Karbalai-Sadegh, A, Kuit, KH, van der Mark, H, Minenkov, Y, Oonk, JBR, Pallottino, GV, Pleikies, J, Rocchi, A, Usenko, O & Visco, M 2006, 'Preparing for science run 1 of MiniGrail' Classical and quantum gravity, vol. 23, no. 8, pp. 79-84. https://doi.org/10.1088/0264-9381/23/8/S11

Preparing for science run 1 of MiniGrail. / de Waard, A.; de Waard, A.; Bassan, M.; Benzaim, Y.; Fafone, V.; Flokstra, Jakob; Frossati, G.; Gottardi, L.; Herbschleb, C.T.; Karbalai-Sadegh, A.; Kuit, K.H.; van der Mark, H.; Minenkov, Y.; Oonk, J.B.R.; Pallottino, G.V.; Pleikies, J.; Rocchi, A.; Usenko, O.; Visco, M.

In: Classical and quantum gravity, Vol. 23, No. 8, 2006, p. 79-84.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Preparing for science run 1 of MiniGrail

AU - de Waard, A.

AU - de Waard, A.

AU - Bassan, M.

AU - Benzaim, Y.

AU - Fafone, V.

AU - Flokstra, Jakob

AU - Frossati, G.

AU - Gottardi, L.

AU - Herbschleb, C.T.

AU - Karbalai-Sadegh, A.

AU - Kuit, K.H.

AU - van der Mark, H.

AU - Minenkov, Y.

AU - Oonk, J.B.R.

AU - Pallottino, G.V.

AU - Pleikies, J.

AU - Rocchi, A.

AU - Usenko, O.

AU - Visco, M.

PY - 2006

Y1 - 2006

N2 - We report on the eighth cryogenic run of MiniGRAIL, which is planned to be the first science run. Three new capacitive transducers were mounted on the sphere, all coupled to superconducting transformers and a double-stage SQUID amplifier. All SQUID modules had a noise level between 1 and 2 μΦ0 Hz−1/2 at 4 K in separate test runs. The detector was upgraded with a complete data acquisition and data storage system, and a data analysis program for millisecond burst signals was written using a matched filter. Two cosmic-ray detectors were built and installed on the roof above MiniGRAIL as a veto for cosmic rays. A test run was done, but failed because of bad electrical isolation of the transducer electrode at low temperatures. A new cool-down is currently going on. With an already obtained sphere temperature of 65 mK and a SQUID noise of 100, the expected sensitivity should be 4 × 10−22 Hz−1/2.

AB - We report on the eighth cryogenic run of MiniGRAIL, which is planned to be the first science run. Three new capacitive transducers were mounted on the sphere, all coupled to superconducting transformers and a double-stage SQUID amplifier. All SQUID modules had a noise level between 1 and 2 μΦ0 Hz−1/2 at 4 K in separate test runs. The detector was upgraded with a complete data acquisition and data storage system, and a data analysis program for millisecond burst signals was written using a matched filter. Two cosmic-ray detectors were built and installed on the roof above MiniGRAIL as a veto for cosmic rays. A test run was done, but failed because of bad electrical isolation of the transducer electrode at low temperatures. A new cool-down is currently going on. With an already obtained sphere temperature of 65 mK and a SQUID noise of 100, the expected sensitivity should be 4 × 10−22 Hz−1/2.

KW - METIS-234890

KW - IR-61503

U2 - 10.1088/0264-9381/23/8/S11

DO - 10.1088/0264-9381/23/8/S11

M3 - Article

VL - 23

SP - 79

EP - 84

JO - Classical and quantum gravity

JF - Classical and quantum gravity

SN - 0264-9381

IS - 8

ER -

de Waard A, de Waard A, Bassan M, Benzaim Y, Fafone V, Flokstra J et al. Preparing for science run 1 of MiniGrail. Classical and quantum gravity. 2006;23(8):79-84. https://doi.org/10.1088/0264-9381/23/8/S11