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NSR database version of May 10, 2024.

Search: Author = V.I.Umatov

Found 38 matches.

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2023AG06      Eur.Phys.J. C 83, 1117 (2023)

X.Aguerre, R.Arnold, C.Augier, A.S.Barabash, A.Basharina-Freshville, S.Blondel, S.Blot, M.Bongrand, R.Breier, V.Brudanin, J.Busto, A.Bystryakov, A.J.Caffrey, C.Cerna, J.P.Cesar, M.Ceschia, E.Chauveau, A.Chopra, L.Dawson, D.Duchesneau, D.Durand, J.J.Evans, R.Flack, P.Franchini, X.Garrido, C.Girard-Carillo, B.Guillon, P.Guzowski, M.Hoballah, R.Hodak, P.Hubert, M.H.Hussain, S.Jullian, A.Klimenko, O.Kochetov, S.I.Konovalov, F.Konarik, T.Krizak, D.Lalanne, K.Lang, Y.Lemiere, P.Li, P.Loaiza, G.Lutter, M.Macko, F.Mamedov, C.Marquet, F.Mauger, A.Minotti, B.Morgan, I.Nemchenok, M.Nomachi, F.Nowacki, H.Ohsumi, G.Oliviero, V.Palusova, C.Patrick, F.Perrot, M.Petro, A.Pin, F.Piquemal, P.Povinec, S.Pratt, P.Pridal, W.S.Quinn, Y.A.Ramachers, A.Remoto, J.L.Reyss, C.L.Riddle, E.Rukhadze, R.Saakyan, A.Salamatin, R.Salazar, X.Sarazin, J.Sedgbeer, Yu.Shitov, L.Simard, F.Simkovic, A.Smetana, A.Smolnikov, S.Soldner-Rembold, I.Stekl, J.Suhonen, G.Szklarz, H.Tedjditi, J.Thomas, V.Timkin, V.I.Tretyak, V.I.Tretyak, V.I.Umatov, I.Vanushin, Y.Vereshchaka, V.Vorobel, D.Waters, F.Xie

Measurement of the double-β-decay of 150Nd to the 0+1 excited state of 150Sm in NEMO-3

RADIOACTIVITY 150Nd(2β-); measured decay products, Eγ, Iγ, Eβ, Iβ; deduced T1/2, nuclear matrix elements for transitions to excited states. Comparison with available data. The NEMO-3 experiment in the Modane Underground Laboratory (LSM).

doi: 10.1140/epjc/s10052-023-12227-x
Citations: PlumX Metrics


2023AU04      Eur.Phys.J. C 83, 675 (2023)

C.Augier, A.S.Barabash, F.Bellini, G.Benato, M.Beretta, L.Berge, J.Billard, Yu.A.Borovlev, L.Cardani, N.Casali, A.Cazes, E.Celi, M.Chapellier, D.Chiesa, I.Dafinei, F.A.Danevich, M.De Jesus, P.de Marcillac, T.Dixon, L.Dumoulin, K.Eitel, F.Ferri, B.K.Fujikawa, J.Gascon, L.Gironi, A.Giuliani, V.D.Grigorieva, M.Gros, D.L.Helis, H.Z.Huang, R.Huang, L.Imbert, J.Johnston, A.Juillard, H.Khalife, M.Kleifges, V.V.Kobychev, Yu.G.Kolomensky, S.I.Konovalov, J.Kotila, P.Loaiza, L.Ma, E.P.Makarov, R.Mariam, L.Marini, S.Marnieros, X.-F.Navick, C.Nones, E.B.Norman, E.Olivieri, J.L.Ouellet, L.Pagnanini, L.Pattavina, B.Paul, M.Pavan, H.Peng, G.Pessina, S.Pirro, D.V.Poda, O.G.Polischuk, S.Pozzi, E.Previtali, Th.Redon, A.Rojas, S.Rozov, V.Sanglard, J.A.Scarpaci, B.Schmidt, Y.Shen, V.N.Shlegel, V.Singh, C.Tomei, V.I.Tretyak, V.I.Umatov, L.Vagneron, M.Velazquez, B.Welliver, L.Winslow, M.Xue, E.Yakushev, M.Zarytskyy, A.S.Zolotarova

The background model of the CUPID-Mo 0νββ experiment

RADIOACTIVITY 100Mo(2β-); measured decay products, Eβ, Iβ, Eγ, Iγ; deduced background index in the region of interest. CUPID-Mo, located in the Laboratoire Souterrain de Modane (France), was a demonstrator for the next generation 0νββ decay experiment, CUPID.

doi: 10.1140/epjc/s10052-023-11830-2
Citations: PlumX Metrics


2023AU05      Phys.Rev.Lett. 131, 162501 (2023)

C.Augier, A.S.Barabash, F.Bellini, G.Benato, M.Beretta, L.Berge, J.Billard, Yu.A.Borovlev, L.Cardani, N.Casali, A.Cazes, E.Celi, M.Chapellier, D.Chiesa, I.Dafinei, F.A.Danevich, M.De Jesus, T.Dixon, L.Dumoulin, K.Eitel, F.Ferri, B.K.Fujikawa, J.Gascon, L.Gironi, A.Giuliani, V.D.Grigorieva, M.Gros, D.L.Helis, H.Z.Huang, R.Huang, L.Imbert, J.Johnston, A.Juillard, H.Khalife, M.Kleifges, V.V.Kobychev, Yu.G.Kolomensky, S.I.Konovalov, J.Kotila, P.Loaiza, L.Ma, E.P.Makarov, P.de Marcillac, R.Mariam, L.Marini, S.Marnieros, X.-F.Navick, C.Nones, E.B.Norman, E.Olivieri, J.L.Ouellet, L.Pagnanini, L.Pattavina, B.Paul, M.Pavan, H.Peng, G.Pessina, S.Pirro, D.V.Poda, O.G.Polischuk, S.Pozzi, E.Previtali, Th.Redon, A.Rojas, S.Rozov, V.Sanglard, J.A.Scarpaci, B.Schmidt, Y.Shen, V.N.Shlegel, F.Simkovic, V.Singh, C.Tomei, V.I.Tretyak, V.I.Umatov, L.Vagneron, M.Velazquez, B.Ware, B.Welliver, L.Winslow, M.Xue, E.Yakushev, M.Zarytskyy, A.S.Zolotarova

Measurement of the 2νββ Decay Rate and Spectral Shape of 100Mo from the CUPID-Mo Experiment

RADIOACTIVITY 100Mo(2β-); measured decay products, Eβ, Iβ; deduced two-neutrino mode T1/2, shape factor, effective axial vector coupling constant. Comparison with theoretical predictions for different nuclear models. The CUPID-Mo experiment.

doi: 10.1103/PhysRevLett.131.162501
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2021AR11      Phys.Rev. C 104, L061601 (2021)

R.Arnold, C.Augier, A.S.Barabash, A.Basharina-Freshville, S.Blondel, S.Blot, M.Bongrand, D.Boursette, R.Breier, V.Brudanin, J.Busto, A.J.Caffrey, S.Calvez, C.Cerna, J.P.Cesar, M.Ceschia, A.Chapon, E.Chauveau, A.Chopra, L.Dawson, D.Duchesneau, D.Durand, G.Eurin, J.J.Evans, L.Fajt, D.Filosofov, R.Flack, P.Franchini, X.Garrido, C.Girard-Carillo, H.Gomez, B.Guillon, P.Guzowski, R.Hodak, A.Huber, P.Hubert, C.Hugon, M.H.Hussain, S.Jullian, A.Klimenko, O.Kochetov, S.I.Konovalov, V.Kovalenko, D.Lalanne, K.Lang, Y.Lemiere, T.Le Noblet, Z.Liptak, X.R.Liu, P.Loaiza, G.Lutter, M.Macko, C.Macolino, F.Mamedov, C.Marquet, F.Mauger, A.Minotti, B.Morgan, J.Mott, I.Nemchenok, M.Nomachi, F.Nova, F.Nowacki, H.Ohsumi, G.Oliviero, R.B.Pahlka, V.Palusova, C.Patrick, F.Perrot, A.Pin, F.Piquemal, P.Povinec, P.Pridal, W.S.Quinn, Y.A.Ramachers, A.Remoto, J.L.Reyss, C.L.Riddle, E.Rukhadze, R.Saakyan, A.Salamatin, R.Salazar, X.Sarazin, J.Sedgbeer, Yu.Shitov, L.Simard, F.Simkovic, A.Smetana, A.Smolnikov, S.Soldner-Rembold, B.Soule, I.Stekl, J.Suhonen, C.S.Sutton, G.Szklarz, H.Tedjditi, J.Thomas, V.Timkin, S.Torre, Vl.I.Tretyak, V.I.Tretyak, V.I.Umatov, I.Vanushin, C.Vilela, V.Vorobel, D.Waters, F.Xie

Search for periodic modulations of the rate of double-β decay of 100Mo in the NEMO-3 detector

RADIOACTIVITY 100Mo(2β-); measured two electrons in final state of 0νββ decay, decay rates and power spectra using NEMO-3 detector; searched for periodic modulations of double-β decay rate by Lomb-Scargle periodogram technique, and its error-weighted extension; deduced no evidence of modulations with amplitude greater than 2.5% at the 95% confidence level.

doi: 10.1103/PhysRevC.104.L061601
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2021PO16      Phys.Scr. 96, 085302 (2021)

O.G.Polischuk, A.S.Barabash, P.Belli, R.Bernabei, R.S.Boiko, F.Cappella, V.Caracciolo, R.Cerulli, F.A.Danevich, A.Di Marco, A.Incicchitti, D.V.Kasperovych, V.V.Kobychev, S.I.Konovalov, M.Laubenstein, D.V.Poda, V.I.Tretyak, V.I.Umatov

Double beta decay of 150Nd to the first 0+ excited level of 150Sm

RADIOACTIVITY 150Nd(2β-); measured decay products, Eγ, Iγ; deduced T1/2. Comparison with available data. The STELLA facility of the Gran Sasso National Laboratory (LNGS) of the INFN (Italy).

doi: 10.1088/1402-4896/ac00a5
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2020AR09      Eur.Phys.J. C 80, 674 (2020)

E.Armengaud, C.Augier, A.S.Barabash, F.Bellini, G.Benato, A.Benoit, M.Beretta, L.Berge, J.Billard, Yu.A.Borovlev, Ch.Bourgeois, M.Briere, V.Brudanin, P.Camus, L.Cardani, N.Casali, A.Cazes, M.Chapellier, F.Charlieux, M.de Combarieu, I.Dafinei, F.A.Danevich, M.De Jesus, L.Dumoulin, K.Eitel, E.Elkhoury, F.Ferri, B.K.Fujikawa, J.Gascon, L.Gironi, A.Giuliani, V.D.Grigorieva, M.Gros, E.Guerard, D.L.Helis, H.Z.Huang, R.Huang, J.Johnston, A.Juillard, H.Khalife, M.Kleifges, V.V.Kobychev, Yu.G.Kolomensky, S.I.Konovalov, A.Leder, J.Kotila, P.Loaiza, L.Ma, E.P.Makarov, P.de Marcillac, L.Marini, S.Marnieros, D.Misiak, X.-F.Navick, C.Nones, V.Novati, E.Olivieri, J.L.Ouellet, L.Pagnanini, P.Pari, L.Pattavina, B.Paul, M.Pavan, H.Peng, G.Pessina, S.Pirro, D.V.Poda, O.G.Polischuk, E.Previtali, T.Redon, S.Rozov, C.Rusconi, V.Sanglard, K.Schaffner, B.Schmidt, Y.Shen, V.N.Shlegel, B.Siebenborn, V.Singh, C.Tomei, V.I.Tretyak, V.I.Umatov, L.Vagneron, M.Velazquez, M.Weber, B.Welliver, L.Winslow, M.Xue, E.Yakushev, A.S.Zolotarova

Precise measurement of 2νββ decay of 100Mo with the CUPID-Mo detection technology

RADIOACTIVITY 100Mo(2β-); measured decay products, Eβ, Iβ; deduced T1/2. Comparison with available data.

doi: 10.1140/epjc/s10052-020-8203-4
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020BA08      Nucl.Phys. A996, 121797 (2020)

A.S.Barabash, V.B.Brudanin, A.A.Klimenko, S.I.Konovalov, A.V.Rakhimov, E.N.Rukhadze, N.I.Rukhadze, Yu.A.Shitov, I.Stekl, G.Warot, V.I.Umatov

Improved limits on β+EC and ECEC processes in 74Se

doi: 10.1016/j.nuclphysa.2020.121697
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020RU05      Bull.Rus.Acad.Sci.Phys. 84, 974 (2020)

N.I.Rukhadze, A.S.Barabash, V.B.Brudanin, A.A.Klimenko, S.I.Konovalov, A.V.Rakhimov, E.N.Rukhadze, Yu.A.Shitov, I.Stekl, V.I.Umatov, G.Warot

Searching for the β+EC and EC/EC Decays of 74Se

RADIOACTIVITY 74Se(2EC), (β+EC); measured decay products, X-rays, Eβ, Iβ; deduced T1/2 limits to the excited states transitions.

doi: 10.3103/S1062873820080250
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2019BA43      Phys.Rev. C 100, 045502 (2019)

A.S.Barabash, Ph.Hubert, A.Nachab, V.I.Umatov

Search for triple and quadruple β decay of 150Nd

RADIOACTIVITY 150Nd(3β-), (4β-); measured Eγ, Iγ using a 400 cm3 low-background HPGe detector and 3046 g sample of Nd2O3 powder at the Modane Underground Laboratory; searched for decay to the ground and excited states of 150Eu and 150Gd; deduced no evidence for these decays, lower limits on the half-life for decays to the ground and excited states in daughter nuclei. Comparison with previous experimental lower limits on half-lives for 4β- decay, and with theoretical estimates.

doi: 10.1103/PhysRevC.100.045502
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2018BA44      Phys.Rev. D 98, 092007 (2018)

A.S.Barabash, P.Belli, R.Bernabei, F.Cappella, V.Caracciolo, R.Cerulli, D.M.Chernyak, F.A.Danevich, S.d'Angelo, A.Incicchitti, D.V.Kasperovych, V.V.Kobychev, S.I.Konovalov, M.Laubenstein, D.V.Poda, O.G.Polischuk, V.N.Shlegel, V.I.Tretyak, V.I.Umatov, Ya.V.Vasiliev

Final results of the Aurora experiment to study 2β decay of 116Cd with enriched 116CdWO4 crystal scintillators

RADIOACTIVITY 116Cd(2β-); measured reaction products, Eβ, Iβ; deduced two-neutrino T1/2, neutrinoless and Majorana neutrino mass limit .

doi: 10.1103/PhysRevD.98.092007
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Data from this article have been entered in the XUNDL database. For more information, click here.


2017AR18      Eur.Phys.J. C 77, 785 (2017)

E.Armengaud, C.Augier, A.S.Barabash, J.W.Beeman, T.B.Bekker, F.Bellini, A.Benoit, L.Berge, T.Bergmann, J.Billard, R.S.Boiko, A.Broniatowski, V.Brudanin, P.Camus, S.Capelli, L.Cardani, N.Casali, A.Cazes, M.Chapellier, F.Charlieux, D.M.Chernyak, M.de Combarieu, N.Coron, F.A.Danevich, I.Dafinei, M.De Jesus, L.Devoyon, S.Di Domizio, L.Dumoulin, K.Eitel, C.Enss, F.Ferroni, A.Fleischmann, N.Foerster, J.Gascon, L.Gastaldo, L.Gironi, A.Giuliani, V.D.Grigorieva, M.Gros, L.Hehn, S.Herve, V.Humbert, N.V.Ivannikova, I.M.Ivanov, Y.Jin, A.Juillard, M.Kleifges, V.V.Kobychev, S.I.Konovalov, F.Koskas, V.Kozlov, H.Kraus, V.A.Kudryavtsev, M.Laubenstein, H.Le Sueur, M.Loidl, P.Magnier, E.P.Makarov, M.Mancuso, P.de Marcillac, S.Marnieros, C.Marrache-Kikuchi, S.Nagorny, X-F.Navick, M.O.Nikolaichuk, C.Nones, V.Novati, E.Olivieri, L.Pagnanini, P.Pari, L.Pattavina, M.Pavan, B.Paul, Y.Penichot, G.Pessina, G.Piperno, S.Pirro, O.Plantevin, D.V.Poda, E.Queguiner, T.Redon, M.Rodrigues, S.Rozov, C.Rusconi, V.Sanglard, K.Schaffner, S.Scorza, V.N.Shlegel, B.Siebenborn, O.Strazzer, D.Tcherniakhovski, C.Tomei, V.I.Tretyak, V.I.Umatov, L.Vagneron, Ya.V.Vasiliev, M.Velizquez, M.Vignati, M.Weber, E.Yakushev, A.S.Zolotarova

Development of 100Mo-containing scintillating bolometers for a high-sensitivity neutrinoless double-beta decay search

RADIOACTIVITY 100Mo(2β-); measured decay products, Eβ, Iβ; deduced T1/2.

doi: 10.1140/epjc/s10052-017-5343-2
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Data from this article have been entered in the XUNDL database. For more information, click here.


2009BA21      Phys.Rev. C 79, 045501 (2009)

A.S.Barabash, Ph.Hubert, A.Nachab, V.I.Umatov

Investigation of ββ decay in 150Nd and 148Nd to the excited states of daughter nuclei

RADIOACTIVITY 148,150Nd(2β-); measured Eγ, Iγ. 148,150Nd; measured half-lives, partial half-lives.

doi: 10.1103/PhysRevC.79.045501
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2009KI04      Nucl.Phys. A821, 251 (2009)

M.F.Kidd, J.H.Esterline, W.Tornow, A.S.Barabash, V.I.Umatov

New results for double-beta decay of 100Mo to excited final states of 100Ru using the TUNL-ITEP apparatus

RADIOACTIVITY 100Mo(2β-); measured Eγ, Iγ, γγ-coin, T1/2 for double-beta decay to excited states.

doi: 10.1016/j.nuclphysa.2009.01.082
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Data from this article have been entered in the XUNDL database. For more information, click here.


2006HO17      Phys.Rev. C 74, 044314 (2006)

M.J.Hornish, L.De Braeckeleer, A.S.Barabash, V.I.Umatov

Double β decay of 100Mo to excited final states

RADIOACTIVITY 100Mo(2β-); measured Eγ, Iγ, T1/2 for inclusive 2β-decay to excited states.

doi: 10.1103/PhysRevC.74.044314
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2004BA10      Pisma Zh.Eksp.Teor.Fiz. 79, 12 (2004); JETP Lett. 79, 10 (2004)

A.S.Barabash, F.Hubert, Ph.Hubert, V.I.Umatov

Double Beta Decay of 150Nd to the First 0+ Excited State of 150Sm

RADIOACTIVITY 150Nd(2β-); measured Eγ, Iγ, T1/2 for 2ν-accompanied 2β-decay to excited state. 150Sm deduced transitions.

doi: 10.1134/1.1675911
Citations: PlumX Metrics


2004BA28      Yad.Fiz. 67, 473 (2004); Phys.Atomic Nuclei 67, 453 (2004)

A.S.Barabash, F.Hubert, Ph.Hubert, V.I.Umatov

Double-Beta Decay of 150Nd to the First 0+ Excited State of 150Sm: Current State

RADIOACTIVITY 150Nd(2β-); measured 2β-decay T1/2.

doi: 10.1134/1.1690049
Citations: PlumX Metrics


2004BA57      Yad.Fiz. 67, 1238 (2004); Phys.Atomic Nuclei 67, 1216 (2004)

A.S.Barabash, F.Hubert, Ph.Hubert, V.I.Umatov

Double-Beta Decay of 150Nd to the First O+ Excited State of 150Sm

RADIOACTIVITY 150Nd(2β-); measured Eγ, Iγ, 2ν-accompanied 2β decay T1/2.

doi: 10.1134/1.1772463
Citations: PlumX Metrics


2002AS05      Nucl.Phys. B(Proc.Supp.) S110, 378 (2002)

V.D.Ashitkov, A.S.Barabash, S.G.Belogurov, G.Carugno, S.I.Konovalov, F.Massera, G.Puglierin, R.R.Saakyan, V.N.Stekhanov, V.I.Umatov

Double Beta Decay of 100Mo

RADIOACTIVITY 100Mo(2β-); measured β-spectra, 2ν-accompanied 2β-decay T1/2, 0ν-accompanied 2β-decay T1/2 lower limit.

doi: 10.1016/S0920-5632(02)01515-3
Citations: PlumX Metrics


2002BA29      Yad.Fiz. 65, 231 (2002); Phys.Atomic Nuclei 65, 207 (2002)

A.S.Barabash, F.Hubert, Ph.Hubert, V.I.Umatov

Search for the Double-Beta Decay of 130Te to Excited States in 130Xe

RADIOACTIVITY 130Te(2β-); measured γ-spectra, 2β decay T1/2 lower limits.

doi: 10.1134/1.1451931
Citations: PlumX Metrics


2002BB03      Pisma Zh.Eksp.Teor.Fiz. 76, 643 (2002); JETP Lett. 76, 545 (2002)

A.Bakalyarov, A.Balysh, A.S.Barabash, P.Benes, C.Briancon, V.Brudanin, P.Cermak, V.Egorov, F.Hubert, Ph.Hubert, N.A.Korolev, V.N.Kosjakov, A.Kovalik, N.A.Lebedev, V.I.Lebedev, A.F.Novgorodov, N.I.Rukhadze, N.I.Stekl, V.V.Timkin, I.E.Veleshko, Ts.Vylov, V.I.Umatov

Improved Limits on β- and β-β- Decays of 48Ca

RADIOACTIVITY 48Ca(β-), (2β-); measured T1/2 lower limits. Comparison with previous results, model predictions.

doi: 10.1134/1.1538286
Citations: PlumX Metrics


2002DE18      Yad.Fiz. 65, 227 (2002); Phys.Atomic Nuclei 65, 203 (2002)

L.De Braeckeleer, M.Hornish, A.S.Barabash, V.I.Umatov

ββ(2ν) Decay of 100Mo to the First Excited 0+ State of 100Ru

RADIOACTIVITY 100Mo(2β-); measured γγ-coin, 2ν-accompanied 2β-decay T1/2.

doi: 10.1134/1.1451930
Citations: PlumX Metrics


2001AS05      Part. and Nucl., Lett. 106, 69 (2001)

V.D.Ashitkov, A.S.Barabash, S.G.Belogurov, G.Carugno, S.I.Konovalov, F.Massera, G.Puglierin, R.R.Saakyan, V.N.Stekhanov, V.I.Umatov

Double Beta Decay of 100Mo

RADIOACTIVITY 100Mo(2β-); measured 2ν-accompanied 2β-decay T1/2, 0ν-accompanied 2β-decay T1/2 lower limit. Comparison with previous results.


2001AS06      Pisma Zh.Eksp.Teor.Fiz. 74, 601 (2001); JETP Lett. 74, 529 (2001)

V.D.Ashitkov, A.S.Barabash, S.G.Belogurov, G.Carugno, S.I.Konovalov, F.Massera, G.Puglierin, R.R.Saakyan, V.N.Stekhanov, V.I.Umatov

Double Beta Decay of 100Mo

RADIOACTIVITY 100Mo(2β-); measured 2ν-accompanied 2β decay T1/2, 0ν-accompanied 2β decay T1/2 limits. Comparisons with previous results.

doi: 10.1134/1.1450283
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2001BA71      Eur.Phys.J. A 11, 143 (2001); Erratum Eur.Phys. A 11, 491 (2001)

A.S.Barabash, F.Hubert, Ph.Hubert, V.I.Umatov

New Limits on the ββ Decay of 130Te to Excited States of 130Xe

RADIOACTIVITY 130Te(2β-); measured Eγ, γγ-coin; deduced T1/2 lower limits for double beta decay to ground and excited states. Comparison with theoretical values.

doi: 10.1007/s100500170079
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2000DE41      Yad.Fiz. 63, No 7, 1288 (2000); Phys.Atomic Nuclei 63, 1214 (2000)

L.De Braeckeleer, M.Hornish, A.S.Barabash, V.I.Umatov

Measurement of the ββ-Decay Rate of 100Mo to the First Excited 0+ State in 100Ru

RADIOACTIVITY 100Mo(2β-); measured Eγ, Iγ, γγ-coin, 2ν accompanied 2β-decay T1/2. 100Ru deduced transitions.

doi: 10.1134/1.855771
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1999AS01      Nucl.Phys. B(Proc.Supp.) S70, 233 (1999)

V.D.Ashitkov, A.S.Barabash, S.G.Belogurov, G.Carugno, S.I.Konovalov, I.O.Pilugin, G.Puglierin, R.R.Saakyan, V.N.Stekhanov, V.I.Umatov, I.A.Vanushin

Search for Double Beta Decay of 100Mo with Liquid Argon Ionization Chamber (First Results)

RADIOACTIVITY 100Mo(2β-); measured 2ν accompanied 2β decay T1/2, 0ν accompanied 2β decay T1/2 lower limit. Liquid argon ionization chamber.

doi: 10.1016/S0920-5632(98)00425-3
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1999AS09      Yad.Fiz. 62, No 12, 2217 (1999); Phys.Atomic Nuclei 62, 2044 (1999)

V.D.Ashitkov, A.S.Barabash, S.G.Belogurov, G.Carugno, S.I.Konovalov, F.Massera, I.O.Pilugin, G.Puglierin, R.R.Saakyan, V.N.Stekhanov, V.I.Umatov, I.A.Vanushin

Investigation of Double-Beta-Decay of 100Mo with the Liquid-Argon Ionization Chamber

RADIOACTIVITY 100Mo(2β-); measured 0ν accompanied 2β decay T1/2 lower limit, 2ν accompanied decay T1/2.


1999BB19      Yad.Fiz. 62, No 12, 2211 (1999); Phys.Atomic Nuclei 62, 2039 (1999)

A.S.Barabash, R.Gurriaran, F.Hubert, Ph.Hubert, V.I.Umatov

2νββ Decay of 100Mo to the First 0+ Excited State in 100Ru

RADIOACTIVITY 100Mo(2β-); measured 2ν accompanied 2β decay sum energy, T1/2. Decay to excited state.


1998AS04      Yad.Fiz. 61, No 6, 1002 (1998); Phys.Atomic Nuclei 61, 910 (1998)

V.D.Ashitkov, A.S.Barabash, S.G.Belogurov, G.Carugno, S.I.Konovalov, I.O.Pilugin, G.Puglierin, R.R.Saakyan, V.N.Stekhanov, V.I.Umatov, I.A.Vanushin

Study of Double-Beta Decay of 100Mo with Liquid-Argon Ionization Chamber (First Results)

RADIOACTIVITY 100Mo(2β); measured 0ν-, 2ν-accompanied 2β-decay T1/2 lower limits. Liquid-Argon ionization chamber.


1997BA35      Z.Phys. A357, 351 (1997)

A.S.Barabash, R.Gurriaran, F.Hubert, Ph.Hubert, V.I.Umatov

Improved Limits on Double Beta Processes in 92Mo

RADIOACTIVITY 92Mo(β+EC), (2EC); measured 0ν+2ν-accompanied decay T1/2, 90% confidence limit.

doi: 10.1007/s002180050253
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1997SU15      Z.Phys. A358, 297 (1997)

J.Suhonen, J.Toivanen, A.S.Barabash, I.A.Vanushin, V.I.Umatov, R.Gurriaran, F.Hubert, Ph.Hubert

Renormalized Proton-Neutron QRPA and Double Beta Decay of 82Se to Excited States in 82Kr

RADIOACTIVITY 82Kr(2β); calculated 2ν-accompanied 2β-decay matrix element, T1/2, Eγ, Iγ. Renormalized proton-neutron quasiparticle RPA.

doi: 10.1007/s002180050333
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1996BA37      J.Phys.(London) G22, 487 (1996)

A.S.Barabash, R.Gurriaran, F.Hubert, Ph.Hubert, J.L.Reyss, J.Suhonen, V.I.Umatov

Investigation of the ββ Decay of 96Zr to Excited States in 96Mo

RADIOACTIVITY 96Zr(2β); measured total energy spectrum, Eγ, Iγ; deduced stringent limits on 2β-decay T1/2. Quasiparticle RPA model comparison.

doi: 10.1088/0954-3899/22/4/009
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1996BA46      Nucl.Phys. A604, 115 (1996)

A.S.Barabash, V.I.Umatov, R.Gurriaran, F.Hubert, Ph.Hubert, M.Aunola, J.Suhonen

Theoretical and Experimental Investigation of the Double Beta Processes in 106Cd

RADIOACTIVITY 106Cd(2β+), (β+EC), (2EC); measured T1/2 limits. Low-background Ge detectors. Quasiparticle RPA model calculations.

doi: 10.1016/0375-9474(96)00138-8
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1995AU09      Pisma Zh.Eksp.Teor.Fiz. 62, 690 (1995); JETP Lett. 62, 706 (1995)

M.Aunola, J.Suhonen, A.S.Barabash, V.I.Umatov, R.Gurriaran, F.Hubert, Ph.Hubert

Double Beta Processes in 92Mo

RADIOACTIVITY 92Mo(2EC), (β+), (EC); measured Eγ, Iγ in different decay mode energy ranges; deduced stringent limits on (0ν+2ν)-accompanied (β+EC)-, (2EC)-decay, T1/2 estimates. Extended quasiparticle RPA, multiple commutator model.


1995BA29      Phys.Lett. 345B, 408 (1995)

A.S.Barabash, F.T.Avignone III, J.I.Collar, C.K.Guerard, R.J.Arthur, R.L.Brodzinski, H.S.Miley, J.H.Reeves, J.R.Meier, K.Ruddick, V.I.Umatov

Two Neutrino Double-Beta Decay of 100Mo to the First Excited 0+ State in 100Ru

RADIOACTIVITY 100Mo(2β); measured 2ν-accompanied 2β-decay γ-spectra; deduced T1/2 at 68% confidence level. Very thick, enriched molybdenum powder sample.

doi: 10.1016/0370-2693(94)01657-X
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1995BA44      Z.Phys. A352, 231 (1995)

A.S.Barabash, A.V.Derbin, L.A.Popeko, V.I.Umatov

Search for ββ Decay of 76Ge to the Excited States in 76Se

RADIOACTIVITY 76Ge(2β); measured (2ν+0ν)-accompanied 2β-decay T1/2 lower limits, E(2β), Eγ leading to excited states in 76Se. Low background environment, hyperpure Ge detector for background measurements.

doi: 10.1007/BF01298913
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1995DA37      Phys.Rev. D51, 2090 (1995)

D.Dassie, R.Eschbach, F.Hubert, Ph.Hubert, M.C.Isaac, C.Izac, F.Leccia, P.Mennrath, A.Vareille, C.Longuemare, F.Mauger, F.Danevich, V.Kouts, V.I.Tretyak, Yu.Vassilyev, Yu.Zdesenko, A.B.Barabash, V.N.Kornoukhov, Yu.B.Lepikhin, V.I.Umatov, I.A.Vanushin, C.Augier, D.Blum, J.E.Campagne, S.Jullian, D.Lalanne, F.Laplanche, F.Natchez, G.Pichenot, G.Szklarz, R.Arnold, J.L.Guyonnet, T.Lamhamdi, I.Linck, F.Piquemal, F.Scheibling, V.Brudanin, V.Egorov, O.Kochetov, A.Nozdrin, Ts.Vylov, Sh.Zaparov, H.W.Nicholson, C.S.Sutton, and the NEMO Collaboration

Two-Neutrino Double-β Decay Measurement of 100Mo

RADIOACTIVITY 100Mo(2β); measured 2ν-accompanied 2β-decay T1/2, two-electron spectra, σ(θ(2e)), 0ν-accompanied 2β-decay Majoron emission.

doi: 10.1103/PhysRevD.51.2090
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1994AR29      Europhys.Lett. 27, 29 (1994)

C.Arpesella, A.S.Barabash, E.Bellotti, C.Brofferio, E.Fiorini, P.P.Sverzellati, V.I.Umatov

Search for ββ Decay of 96Zr and 150Nd to Excited States of 96Mo and 150Sm

RADIOACTIVITY 96Zr, 150Nd(2β); 96Zr(β-); measured T1/2 lower limits. Ge γ-detector.

doi: 10.1209/0295-5075/27/1/006
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