A calorimeter for the precise determination of the activity of the 144Ce-144Pr anti-neutrino source in the SOX experiment

K. Altenmüller; L. Di Noto; M. Agostini; S. Appel; A. Caminata; L. Cappelli; R. Cereseto; S. Farinon; M. Gschwender; H. Hess; J. Martyn; R. Musenich; B. Neumair; M. Nieslony; T. Lachenmaier; L. Oberauer; M. Pallavicini; L. Papp; C. Rossi; S. Rottenanger; P. Saracco; S. Schönert; G. Testera; A. Trantel; S. Weinz; M. Wurm; S. Zavatarelli

doi:10.1088/1748-0221/13/09/P09008

A calorimeter for the precise determination of the activity of the ¹⁴⁴Ce-¹⁴⁴Pr anti-neutrino source in the SOX experiment

K. Altenmüller, L. Di Noto, M. Agostini, S. Appel, A. Caminata, L. Cappelli, R. Cereseto, S. Farinon, M. Gschwender, H. Hess, J. Martyn, R. Musenich, B. Neumair, M. Nieslony, T. Lachenmaier, L. Oberauer, M. Pallavicini, L. Papp, C. Rossi, S. RottenangerP. Saracco, S. Schönert, G. Testera, A. Trantel, S. Weinz, M. Wurm, S. Zavatarelli

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Abstract

We describe the design and the performance of a high precision thermal calorimeter, whose purpose was the measurement of the total activity of the ¹⁴⁴Ce-¹⁴⁴Pr anti-neutrino source of the SOX (Short distance neutrino Oscillation with BoreXino) experiment. SOX aimed at the search for eV-scale sterile neutrinos by means of the Borexino detector at the Laboratori Nazionali del Gran Sasso in Italy and of a very powerful artificial anti-neutrino source located at 8.51 m from the detector center. In order to obtain the required sensitivity, the activity of the source (approximately 150 kCi) had to be known at 1% precision. In this work we report the design of the experimental apparatus and the results of calibration measurements performed with an electrical mockup of the source. We show that the calorimeter sensitivity exceeds design goals, reaching a precision of a few %.

Original language	English
Article number	P09008
Journal	Journal of Instrumentation
Volume	13
Issue number	9
DOIs	https://doi.org/10.1088/1748-0221/13/09/P09008
State	Published - 12 Sep 2018
Externally published	Yes

Keywords

Calorimeters
Radiation monitoring

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10.1088/1748-0221/13/09/P09008

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Altenmüller, K., Noto, L. D., Agostini, M., Appel, S., Caminata, A., Cappelli, L., Cereseto, R., Farinon, S., Gschwender, M., Hess, H., Martyn, J., Musenich, R., Neumair, B., Nieslony, M., Lachenmaier, T., Oberauer, L., Pallavicini, M., Papp, L., Rossi, C., ... Zavatarelli, S. (2018). A calorimeter for the precise determination of the activity of the ¹⁴⁴Ce-¹⁴⁴Pr anti-neutrino source in the SOX experiment. Journal of Instrumentation, 13(9), Article P09008. https://doi.org/10.1088/1748-0221/13/09/P09008

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title = "A calorimeter for the precise determination of the activity of the 144Ce-144Pr anti-neutrino source in the SOX experiment",

abstract = "We describe the design and the performance of a high precision thermal calorimeter, whose purpose was the measurement of the total activity of the 144Ce-144Pr anti-neutrino source of the SOX (Short distance neutrino Oscillation with BoreXino) experiment. SOX aimed at the search for eV-scale sterile neutrinos by means of the Borexino detector at the Laboratori Nazionali del Gran Sasso in Italy and of a very powerful artificial anti-neutrino source located at 8.51 m from the detector center. In order to obtain the required sensitivity, the activity of the source (approximately 150 kCi) had to be known at 1% precision. In this work we report the design of the experimental apparatus and the results of calibration measurements performed with an electrical mockup of the source. We show that the calorimeter sensitivity exceeds design goals, reaching a precision of a few %.",

keywords = "Calorimeters, Radiation monitoring",

author = "K. Altenm{\"u}ller and Noto, {L. Di} and M. Agostini and S. Appel and A. Caminata and L. Cappelli and R. Cereseto and S. Farinon and M. Gschwender and H. Hess and J. Martyn and R. Musenich and B. Neumair and M. Nieslony and T. Lachenmaier and L. Oberauer and M. Pallavicini and L. Papp and C. Rossi and S. Rottenanger and P. Saracco and S. Sch{\"o}nert and G. Testera and A. Trantel and S. Weinz and M. Wurm and S. Zavatarelli",

note = "Publisher Copyright: {\textcopyright} 2018 IOP Publishing Ltd and Sissa Medialab.",

year = "2018",

month = sep,

day = "12",

doi = "10.1088/1748-0221/13/09/P09008",

language = "English",

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Altenmüller, K, Noto, LD, Agostini, M, Appel, S, Caminata, A, Cappelli, L, Cereseto, R, Farinon, S, Gschwender, M, Hess, H, Martyn, J, Musenich, R, Neumair, B, Nieslony, M, Lachenmaier, T, Oberauer, L, Pallavicini, M, Papp, L, Rossi, C, Rottenanger, S, Saracco, P, Schönert, S, Testera, G, Trantel, A, Weinz, S, Wurm, M & Zavatarelli, S 2018, 'A calorimeter for the precise determination of the activity of the ¹⁴⁴Ce-¹⁴⁴Pr anti-neutrino source in the SOX experiment', Journal of Instrumentation, vol. 13, no. 9, P09008. https://doi.org/10.1088/1748-0221/13/09/P09008

TY - JOUR

T1 - A calorimeter for the precise determination of the activity of the 144Ce-144Pr anti-neutrino source in the SOX experiment

AU - Altenmüller, K.

AU - Noto, L. Di

AU - Agostini, M.

AU - Appel, S.

AU - Caminata, A.

AU - Cappelli, L.

AU - Cereseto, R.

AU - Farinon, S.

AU - Gschwender, M.

AU - Hess, H.

AU - Martyn, J.

AU - Musenich, R.

AU - Neumair, B.

AU - Nieslony, M.

AU - Lachenmaier, T.

AU - Oberauer, L.

AU - Pallavicini, M.

AU - Papp, L.

AU - Rossi, C.

AU - Rottenanger, S.

AU - Saracco, P.

AU - Schönert, S.

AU - Testera, G.

AU - Trantel, A.

AU - Weinz, S.

AU - Wurm, M.

AU - Zavatarelli, S.

PY - 2018/9/12

Y1 - 2018/9/12

N2 - We describe the design and the performance of a high precision thermal calorimeter, whose purpose was the measurement of the total activity of the 144Ce-144Pr anti-neutrino source of the SOX (Short distance neutrino Oscillation with BoreXino) experiment. SOX aimed at the search for eV-scale sterile neutrinos by means of the Borexino detector at the Laboratori Nazionali del Gran Sasso in Italy and of a very powerful artificial anti-neutrino source located at 8.51 m from the detector center. In order to obtain the required sensitivity, the activity of the source (approximately 150 kCi) had to be known at 1% precision. In this work we report the design of the experimental apparatus and the results of calibration measurements performed with an electrical mockup of the source. We show that the calorimeter sensitivity exceeds design goals, reaching a precision of a few %.

AB - We describe the design and the performance of a high precision thermal calorimeter, whose purpose was the measurement of the total activity of the 144Ce-144Pr anti-neutrino source of the SOX (Short distance neutrino Oscillation with BoreXino) experiment. SOX aimed at the search for eV-scale sterile neutrinos by means of the Borexino detector at the Laboratori Nazionali del Gran Sasso in Italy and of a very powerful artificial anti-neutrino source located at 8.51 m from the detector center. In order to obtain the required sensitivity, the activity of the source (approximately 150 kCi) had to be known at 1% precision. In this work we report the design of the experimental apparatus and the results of calibration measurements performed with an electrical mockup of the source. We show that the calorimeter sensitivity exceeds design goals, reaching a precision of a few %.

KW - Calorimeters

KW - Radiation monitoring

UR - http://www.scopus.com/inward/record.url?scp=85055528860&partnerID=8YFLogxK

U2 - 10.1088/1748-0221/13/09/P09008

DO - 10.1088/1748-0221/13/09/P09008

M3 - Article

AN - SCOPUS:85055528860

SN - 1748-0221

VL - 13

JO - Journal of Instrumentation

JF - Journal of Instrumentation

IS - 9

M1 - P09008

ER -

A calorimeter for the precise determination of the activity of the ¹⁴⁴Ce-¹⁴⁴Pr anti-neutrino source in the SOX experiment

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Keywords

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