Final Results of GERDA on the Two-Neutrino Double-\(\beta\) Decay Half-Life of \(^{76}\)Ge

We present the measurement of the two-neutrino double-\(\beta\) decay rate of \(^{76}\)Ge performed with the GERDA Phase II experiment. With a subset of the entire GERDA exposure, 11.8 kg\(\cdot\)yr, the half-life of the process has been determined: \(T^{2\nu}_{1/2} = (2.022 \pm 0.018_{stat} \pm 0.0...

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Main Authors collaboration, GERDA, Agostini, M, Alexander, A, Araujo, G R, Bakalyarov, A M, Baudis, L, Bauer, C, Belogurov, S, Bettini, A, Bezrukov, L, Biancacci, V, Bossio, E, Bothe, V, Caldwell, A, Calgaro, S, Cattadori, C, Chernogorov, A, P -J Chiu, Comellato, T, D'Andrea, V, Demidova, E V, N Di Marco, Doroshkevich, E, Fischer, F, Fomina, M, Garfagnini, A, Gooch, C, Grabmayr, P, Gurentsov, V, Gusev, K, Hackenmüller, S, Hemmer, S, Huang, J, Inzhechik, L V, Csáthy, J Janicskó, Jochum, J, Kazalov, V, Kermaïdic, Y, Khushbakht, H, Kihm, T, Kilgus, K, Kirpichnikov, I V, Klimenko, A, Knöpfle, K T, Kochetov, O, Kornoukhov, V N, Krause, P, Kuzminov, V V, Laubenstein, M, Lehnert, B, Lindner, M, Lippi, I, Lubsandorzhiev, B, Lutter, G, Macolino, C, Maneschg, W, Manzanillas, L, Marshall, G, Miloradovic, M, Mingazheva, R, Misiaszek, M, Morella, M, Müller, Y, Neuberger, M, Pandola, L, Pelczar, K, Pertoldi, L, Pullia, A, Ransom, C, Rauscher, L, Riboldi, S, Sada, C, Sailer, S, Salamida, F, Schreiner, J, Schütt, M, Schulz, O, Schwingenheuer, B, Selivanenko, O, Shirchenko, M, Shtembari, L, Simgen, H, Smolnikov, A, Stukov, D, Sullivan, S, Vasenko, A A, Veresnikova, A, Vignoli, C, Wester, T, Wiesinger, C, Wojcik, M, Yanovich, E, Zatschler, B, Zhitnikov, I, Zhukov, S V, Zinatulina, D, Zschocke, A, Zsigmond, A J, Zuber, K, Zuzel, G
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Published Ithaca Cornell University Library, arXiv.org 18.08.2023
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Abstract We present the measurement of the two-neutrino double-\(\beta\) decay rate of \(^{76}\)Ge performed with the GERDA Phase II experiment. With a subset of the entire GERDA exposure, 11.8 kg\(\cdot\)yr, the half-life of the process has been determined: \(T^{2\nu}_{1/2} = (2.022 \pm 0.018_{stat} \pm 0.038_{sys})\times10^{21}\) yr. This is the most precise determination of the \(^{76}\)Ge two-neutrino double-\(\beta\) decay half-life and one of the most precise measurements of a double-\(\beta\) decay process. The relevant nuclear matrix element can be extracted: \(M^{2\nu}_{\text{eff}} = (0.101\pm0.001).\)
AbstractList We present the measurement of the two-neutrino double-\(\beta\) decay rate of \(^{76}\)Ge performed with the GERDA Phase II experiment. With a subset of the entire GERDA exposure, 11.8 kg\(\cdot\)yr, the half-life of the process has been determined: \(T^{2\nu}_{1/2} = (2.022 \pm 0.018_{stat} \pm 0.038_{sys})\times10^{21}\) yr. This is the most precise determination of the \(^{76}\)Ge two-neutrino double-\(\beta\) decay half-life and one of the most precise measurements of a double-\(\beta\) decay process. The relevant nuclear matrix element can be extracted: \(M^{2\nu}_{\text{eff}} = (0.101\pm0.001).\)
Author Zsigmond, A J
K von Sturm
Smolnikov, A
Miloradovic, M
Zschocke, A
Alexander, A
Grabmayr, P
P -J Chiu
Kirpichnikov, I V
Laubenstein, M
Neuberger, M
Balata, M
Bossio, E
Krause, P
Kazalov, V
Selivanenko, O
Wester, T
Belogurov, S
Zhukov, S V
Mingazheva, R
Riboldi, S
Pelczar, K
Schulz, O
A Di Giacinto
Macolino, C
Kornoukhov, V N
Pertoldi, L
Schütt, M
Calgaro, S
A -K Schütz
Schwarz, M
Shevchik, E
Bothe, V
Doroshkevich, E
Lubsandorzhiev, B
Wojcik, M
Knöpfle, K T
Hofmann, W
Hult, M
Vasenko, A A
Agostini, M
Baudis, L
Chernogorov, A
Nemchenok, I
Pullia, A
Kochetov, O
Zhitnikov, I
Fomina, M
Ransom, C
Araujo, G R
Simgen, H
Kermaïdic, Y
Brugnera, R
Shirchenko, M
Gangapshev, A
Bettini, A
Kuzminov, V V
Lutter, G
Zuzel, G
Piseri, P
Misiaszek, M
Müller, Y
Caldwell, A
Zatschler, B
Marshall, G
Gooch, C
Cattadori, C
Garfagnini, A
Barabanov, I
Majorovits, B
Sullivan, S
Lehnert, B
Gurentsov, V
Gusev, K
N Di Marco
Redchuk, M
Shtembari, L
Wiesinger, C
Schönert, S
Manzanillas, L
Lindner, M
Rauscher, L
Schwingenheuer, B
Yanovich, E
Comellato, T
Fischer, F
Csáthy, J Janicskó
Morella, M
Zinatulina,
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Snippet We present the measurement of the two-neutrino double-\(\beta\) decay rate of \(^{76}\)Ge performed with the GERDA Phase II experiment. With a subset of the...
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Title Final Results of GERDA on the Two-Neutrino Double-\(\beta\) Decay Half-Life of \(^{76}\)Ge
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