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Artikel ; Online: Results from the Baksan Experiment on Sterile Transitions (BEST).

Barinov, V V / Cleveland, B T / Danshin, S N / Ejiri, H / Elliott, S R / Frekers, D / Gavrin, V N / Gorbachev, V V / Gorbunov, D S / Haxton, W C / Ibragimova, T V / Kim, I / Kozlova, Yu P / Kravchuk, L V / Kuzminov, V V / Lubsandorzhiev, B K / Malyshkin, Yu M / Massarczyk, R / Matveev, V A /

Mirmov, I N / Nico, J S / Petelin, A L / Robertson, R G H / Sinclair, D / Shikhin, A A / Tarasov, V A / Trubnikov, G V / Veretenkin, E P / Wilkerson, J F / Zvir, A I

Physical review letters

2022 Band 128, Heft 23, Seite(n) 232501

Abstract: The Baksan Experiment on Sterile Transitions (BEST) was designed to investigate the deficit of electron neutrinos ν_{e} observed in previous gallium-based radiochemical measurements with high-intensity neutrino sources, commonly referred to as the " ... ...

Abstract	The Baksan Experiment on Sterile Transitions (BEST) was designed to investigate the deficit of electron neutrinos ν_{e} observed in previous gallium-based radiochemical measurements with high-intensity neutrino sources, commonly referred to as the "gallium anomaly," which could be interpreted as evidence for oscillations between ν_{e} and sterile neutrino (ν_{s}) states. A 3.414-MCi ^{51}Cr ν_{e} source was placed at the center of two nested Ga volumes and measurements were made of the production of ^{71}Ge through the charged current reaction, ^{71}Ga(ν_{e},e^{-})^{71}Ge, at two average distances. The measured production rates for the inner and the outer targets, respectively, are [54.9_{-2.4}^{+2.5}(stat)±1.4(syst)] and [55.6_{-2.6}^{+2.7}(stat)±1.4(syst)] atoms of ^{71}Ge/d. The ratio (R) of the measured rate of ^{71}Ge production at each distance to the expected rate from the known cross section and experimental efficiencies are R_{in}=0.79±0.05 and R_{out}=0.77±0.05. The ratio of the outer to the inner result is 0.97±0.07, which is consistent with unity within uncertainty. The rates at each distance were found to be similar, but 20%-24% lower than expected, thus reaffirming the anomaly. These results are consistent with ν_{e}→ν_{s} oscillations with a relatively large Δm^{2} (>0.5 eV^{2}) and mixing sin^{2}2θ (≈0.4).
Sprache	Englisch
Erscheinungsdatum	2022-06-24
Erscheinungsland	United States
Dokumenttyp	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.128.232501
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel ; Online: An extremely energetic cosmic ray observed by a surface detector array.

Abbasi, R U / Allen, M G / Arimura, R / Belz, J W / Bergman, D R / Blake, S A / Shin, B K / Buckland, I J / Cheon, B G / Fujii, T / Fujisue, K / Fujita, K / Fukushima, M / Furlich, G D / Gerber, Z R / Globus, N / Hibino, K / Higuchi, R / Honda, K /

Ikeda, D / Ito, H / Iwasaki, A / Jeong, S / Jeong, H M / Jui, C H / Kadota, K / Kakimoto, F / Kalashev, O E / Kasahara, K / Kawata, K / Kharuk, I / Kido, E / Kim, S W / Kim, H B / Kim, J H / Komae, I / Kubota, Y / Kuznetsov, M Y / Lee, K H / Lubsandorzhiev, B K / Lundquist, J P / Matthews, J N / Nagataki, S / Nakamura, T / Nakazawa, A / Nonaka, T / Ogio, S / Ono, M / Oshima, H / Park, I H / Potts, M / Pshirkov, S / Remington, J R / Rodriguez, D C / Rott, C / Rubtsov, G I / Ryu, D / Sagawa, H / Sakaki, N / Sako, T / Sakurai, N / Shin, H / Smith, J D / Sokolsky, P / Stokes, B T / Stroman, T S / Takahashi, K / Takeda, M / Taketa, A / Tameda, Y / Thomas, S / Thomson, G B / Tinyakov, P G / Tkachev, I / Tomida, T / Troitsky, S V / Tsunesada, Y / Udo, S / Urban, F R / Wong, T / Yamazaki, K / Yuma, Y / Zhezher, Y V / Zundel, Z

Science (New York, N.Y.)

2023 Band 382, Heft 6673, Seite(n) 903–907

Abstract: Cosmic rays are energetic charged particles from extraterrestrial sources, with the highest-energy events thought to come from extragalactic sources. Their arrival is infrequent, so detection requires instruments with large collecting areas. In this work, ...

Abstract	Cosmic rays are energetic charged particles from extraterrestrial sources, with the highest-energy events thought to come from extragalactic sources. Their arrival is infrequent, so detection requires instruments with large collecting areas. In this work, we report the detection of an extremely energetic particle recorded by the surface detector array of the Telescope Array experiment. We calculate the particle's energy as [Formula: see text] (~40 joules). Its arrival direction points back to a void in the large-scale structure of the Universe. Possible explanations include a large deflection by the foreground magnetic field, an unidentified source in the local extragalactic neighborhood, or an incomplete knowledge of particle physics.
Sprache	Englisch
Erscheinungsdatum	2023-11-23
Erscheinungsland	United States
Dokumenttyp	Journal Article
ZDB-ID	128410-1
ISSN	1095-9203 ; 0036-8075
ISSN (online)	1095-9203
ISSN	0036-8075
DOI	10.1126/science.abo5095
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Artikel ; Online: Primary CR energy spectrum and mass composition by the data of Tunka-133 array

Prosin V.V. / Berezhnev S.F. / Budnev N.M. / Chiavassa A. / Chvalaev O.A. / Dyachok A.V. / Epimakhov S.N. / Gress O.A. / Gress T.I. / Kalmykov N.N. / Karpov N.I. / Konstantinov E.N. / Korobchenko A.V. / Korosteleva E.E. / Kozhin V.A. / Kuzmichev L.A. / Lubsandorzhiev B.K. / Lubsandorzhiev N.B. / Mirgazov R.R. /

Monkhoev R.D. / Osipova E.A. / Pakhorukov A.L. / Panasyuk M.I. / Pankov L.V. / Popova E.G. / Ptuskin V.S. / Semeney Y.A. / Silaev A.A. / (jun.) A.A. Silaev / Skurikhin A.V. / Spiering C. / Sveshnikova L.G. / Zagorodnikov A.V.

EPJ Web of Conferences, Vol 99, p

2015 Band 04002

Abstract: The Cherenkov light array for the registration of extensive air showers (EAS) Tunka-133 collected data during 5 winter seasons from 2009 to 2014. The differential energy spectrum of all particles and the dependence of the average maximum depth on the ... ...

Abstract	The Cherenkov light array for the registration of extensive air showers (EAS) Tunka-133 collected data during 5 winter seasons from 2009 to 2014. The differential energy spectrum of all particles and the dependence of the average maximum depth on the energy in the range of 6 ⋅ 1015–1018 eV measured for 1540 hours of observation are presented.
Schlagwörter	Science ; Q ; Physics ; QC1-999
Erscheinungsdatum	2015-01-01T00:00:00Z
Verlag	EDP Sciences
Dokumenttyp	Artikel ; Online
Datenquelle	BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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Artikel ; Online: Indication of reactor ν(e) disappearance in the Double Chooz experiment.

Abe, Y / Aberle, C / Akiri, T / dos Anjos, J C / Ardellier, F / Barbosa, A F / Baxter, A / Bergevin, M / Bernstein, A / Bezerra, T J C / Bezrukhov, L / Blucher, E / Bongrand, M / Bowden, N S / Buck, C / Busenitz, J / Cabrera, A / Caden, E / Camilleri, L /

Carr, R / Cerrada, M / Chang, P-J / Chimenti, P / Classen, T / Collin, A P / Conover, E / Conrad, J M / Cormon, S / Crespo-Anadón, J I / Cribier, M / Crum, K / Cucoanes, A / D'Agostino, M V / Damon, E / Dawson, J V / Dazeley, S / Dierckxsens, M / Dietrich, D / Djurcic, Z / Dracos, M / Durand, V / Efremenko, Y / Elnimr, M / Endo, Y / Etenko, A / Falk, E / Fallot, M / Fechner, M / von Feilitzsch, F / Felde, J / Fernandes, S M / Franco, D / Franke, A J / Franke, M / Furuta, H / Gama, R / Gil-Botella, I / Giot, L / Göger-Neff, M / Gonzalez, L F G / Goodman, M C / Goon, J T M / Greiner, D / Guillon, B / Haag, N / Hagner, C / Hara, T / Hartmann, F X / Hartnell, J / Haruna, T / Haser, J / Hatzikoutelis, A / Hayakawa, T / Hofmann, M / Horton-Smith, G A / Ishitsuka, M / Jochum, J / Jollet, C / Jones, C L / Kaether, F / Kalousis, L / Kamyshkov, Y / Kaplan, D M / Kawasaki, T / Keefer, G / Kemp, E / de Kerret, H / Kibe, Y / Konno, T / Kryn, D / Kuze, M / Lachenmaier, T / Lane, C E / Langbrandtner, C / Lasserre, T / Letourneau, A / Lhuillier, D / Lima, H P / Lindner, M / Liu, Y / López-Castanõ, J M / LoSecco, J M / Lubsandorzhiev, B K / Lucht, S / McKee, D / Maeda, J / Maesano, C N / Mariani, C / Maricic, J / Martino, J / Matsubara, T / Mention, G / Meregaglia, A / Miletic, T / Milincic, R / Milzstajn, A / Miyata, H / Motta, D / Mueller, Th A / Nagasaka, Y / Nakajima, K / Novella, P / Obolensky, M / Oberauer, L / Onillon, A / Osborn, A / Ostrovskiy, I / Palomares, C / Peeters, S J M / Pepe, I M / Perasso, S / Perrin, P / Pfahler, P / Porta, A / Potzel, W / Queval, R / Reichenbacher, J / Reinhold, B / Remoto, A / Reyna, D / Röhling, M / Roth, S / Rubin, H A / Sakamoto, Y / Santorelli, R / Sato, F / Schönert, S / Schoppmann, S / Schwan, U / Schwetz, T / Shaevitz, M H / Shrestha, D / Sida, J-L / Sinev, V / Skorokhvatov, M / Smith, E / Spitz, J / Stahl, A / Stancu, I / Strait, M / Stüken, A / Suekane, F / Sukhotin, S / Sumiyoshi, T / Sun, Y / Sun, Z / Svoboda, R / Tabata, H / Tamura, N / Terao, K / Tonazzo, A / Toups, M / Trinh Thi, H H / Veyssiere, C / Wagner, S / Watanabe, H / White, B / Wiebusch, C / Winslow, L / Worcester, M / Wurm, M / Yanovitch, E / Yermia, F / Zbiri, K / Zimmer, V

Physical review letters

2012 Band 108, Heft 13, Seite(n) 131801

Abstract: The Double Chooz experiment presents an indication of reactor electron antineutrino disappearance consistent with neutrino oscillations. An observed-to-predicted ratio of events of 0.944±0.016(stat)±0.040(syst) was obtained in 101 days of running at the ... ...

Abstract	The Double Chooz experiment presents an indication of reactor electron antineutrino disappearance consistent with neutrino oscillations. An observed-to-predicted ratio of events of 0.944±0.016(stat)±0.040(syst) was obtained in 101 days of running at the Chooz nuclear power plant in France, with two 4.25 GW(th) reactors. The results were obtained from a single 10 m(3) fiducial volume detector located 1050 m from the two reactor cores. The reactor antineutrino flux prediction used the Bugey4 flux measurement after correction for differences in core composition. The deficit can be interpreted as an indication of a nonzero value of the still unmeasured neutrino mixing parameter sin(2)2θ(13). Analyzing both the rate of the prompt positrons and their energy spectrum, we find sin(2)2θ(13)=0.086±0.041(stat)±0.030(syst), or, at 90% C.L., 0.017<sin(2)2θ(13)<0.16.<br />
Sprache	Englisch
Erscheinungsdatum	2012-03-30
Erscheinungsland	United States
Dokumenttyp	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.108.131801
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

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Buch ; Online: Direct Measurement of Backgrounds using Reactor-Off Data in Double Chooz

Abe, Y. / Aberle, C. / Anjos, J. C. dos / Barriere, J. C. / Bergevin, M. / Bernstein, A. / Bezerra, T. J. C. / Bezrukhov, L. / Blucher, E. / Bowden, N. S. / Buck, C. / Busenitz, J. / Cabrera, A. / Caden, E. / Camilleri, L. / Carr, R. / Cerrada, M. / Chang, P. -J. / Chimenti, P. /

Classen, T. / Collin, A. P. / Conover, E. / Conrad, J. M. / Crespo-Anadon, J. I. / Crum, K. / Cucoanes, A. / D'Agostino, M. V. / Damon, E. / Dawson, J. V. / Dazeley, S. / Dietrich, D. / Djurcic, Z. / Dracos, M. / Durand, V. / Ebert, J. / Efremenko, Y. / Elnimr, M. / Erickson, A. / Etenko, A. / Fallot, M. / Fechner, M. / von Feilitzsch, F. / Felde, J. / Fernandes, S. M. / Fischer, V. / Franco, D. / Franke, A. J. / Franke, M. / Furuta, H. / Gama, R. / Gil-Botella, I. / Giot, L. / Göger-Neff, M. / Gonzalez, L. F. G. / Goodenough, L. / Goodman, M. C. / Goon, J. TM. / Greiner, D. / Haag, N. / Habib, S. / Hagner, C. / Hara, T. / Hartmann, F. X. / Haser, J. / Hatzikoutelis, A. / Hayakawa, T. / Hofmann, M. / Horton-Smith, G. A. / Hourlier, A. / Ishitsuka, M. / Jochum, J. / Jollet, C. / Jones, C. L. / Kaether, F. / Kalousis, L. N. / Kamyshkov, Y. / Kaplan, D. M. / Kawasaki, T. / Keefer, G. / Kemp, E. / de Kerret, H. / Kibe, Y. / Konno, T. / Kryn, D. / Kuze, M. / Lachenmaier, T. / Lane, C. E. / Langbrandtner, C. / Lasserre, T. / Letourneau, A. / Lhuillier, D. / Lima Jr, H. P. / Lindner, M. / Lopez-Castano, J. M. / LoSecco, J. M. / Lubsandorzhiev, B. K. / Lucht, S. / McKee, D. / Maeda, J. / Maesano, C. N. / Mariani, C. / Maricic, J. / Martino, J. / Matsubara, T. / Mention, G. / Meregaglia, A. / Meyer, M. / Miletic, T. / Milincic, R. / Miyata, H. / Mueller, Th. A. / Nagasaka, Y. / Nakajima, K. / Novella, P. / Obolensky, M. / Oberauer, L. / Onillon, A. / Osborn, A. / Ostrovskiy, I. / Palomares, C. / Pepe, I. M. / Perasso, S. / Perrin, P. / Pfahler, P. / Porta, A. / Potzel, W. / Pronost, G. / Reichenbacher, J. / Reinhold, B. / Remoto, A. / Röhling, M. / Roncin, R. / Roth, S. / Rybolt, B. / Sakamoto, Y. / Santorelli, R. / Sato, F. / Schönert, S. / Schoppmann, S. / Schwetz, T. / Shaevitz, M. H. / Shimojima, S. / Shrestha, D. / Sida, J-L. / Sinev, V. / Skorokhvatov, M. / Smith, E. / Spitz, J. / Stahl, A. / Stancu, I. / Stokes, L. F. F. / Strait, M. / Stüken, A. / Suekane, F. / Sukhotin, S. / Sumiyoshi, T. / Sun, Y. / Svoboda, R. / Terao, K. / Tonazzo, A. / Toups, M. / Thi, H. H. Trinh / Valdiviesso, G. / Veyssiere, C. / Wagner, S. / Watanabe, H. / White, B. / Wiebusch, C. / Winslow, L. / Worcester, M. / Wurm, M. / Yermia, F. / Zimmer, V.

2012

Abstract: Double Chooz is unique among modern reactor-based neutrino experiments studying $\bar \nu_e$ disappearance in that data can be collected with all reactors off. In this paper, we present data from 7.53 days of reactor-off running. Applying the same ... ...

Abstract	Double Chooz is unique among modern reactor-based neutrino experiments studying $\bar \nu_e$ disappearance in that data can be collected with all reactors off. In this paper, we present data from 7.53 days of reactor-off running. Applying the same selection criteria as used in the Double Chooz reactor-on oscillation analysis, a measured background rate of 1.0$\pm$0.4 events/day is obtained. The background model for accidentals, cosmogenic $\beta$-$n$-emitting isotopes, fast neutrons from cosmic muons, and stopped-$\mu$ decays used in the oscillation analysis is demonstrated to be correct within the uncertainties. Kinematic distributions of the events, which are dominantly cosmic-ray-produced correlated-background events, are provided. The background rates are scaled to the shielding depths of two other reactor-based oscillation experiments, Daya Bay and RENO. Comment: V2 has corrections to affiliations
Schlagwörter	High Energy Physics - Experiment ; Nuclear Experiment
Thema/Rubrik (Code)	660
Erscheinungsdatum	2012-10-13
Erscheinungsland	us
Dokumenttyp	Buch ; Online
Datenquelle	BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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Buch ; Online: Indication for the disappearance of reactor electron antineutrinos in the Double Chooz experiment

Abe, Y. / Aberle, C. / Akiri, T. / Anjos, J. C. dos / Ardellier, F. / Barbosa, A. F. / Baxter, A. / Bergevin, M. / Bernstein, A. / Bezerra, T. J. C. / Bezrukhov, L. / Blucher, E. / Bongrand, M. / Bowden, N. S. / Buck, C. / Busenitz, J. / Cabrera, A. / Caden, E. / Camilleri, L. /

Carr, R. / Cerrada, M. / Chang, P. -J. / Chimenti, P. / Classen, T. / Collin, A. P. / Conover, E. / Conrad, J. M. / Cormon, S. / Crespo-Anadón, J. I. / Cribier, M. / Crum, K. / Cucoanes, A. / D'Agostino, M. V. / Damon, E. / Dawson, J. V. / Dazeley, S. / Dierckxsens, M. / Dietrich, D. / Djurcic, Z. / Dracos, M. / Durand, V. / Efremenko, Y. / Elnimr, M. / Endo, Y. / Etenko, A. / Falk, E. / Fallot, M. / Fechner, M. / von Feilitzsch, F. / Felde, J. / Fernandes, S. M. / Franco, D. / Franke, A. J. / Franke, M. / Furuta, H. / Gama, R. / Gil-Botella, I. / Giot, L. / Göger-Neff, M. / Gonzalez, L. F. G. / Goodman, M. C. / Goon, J. TM. / Greiner, D. / Guillon, B. / Haag, N. / Hagner, C. / Hara, T. / Hartmann, F. X. / Hartnell, J. / Haruna, T. / Haser, J. / Hatzikoutelis, A. / Hayakawa, T. / Hofmann, M. / Horton-Smith, G. A. / Ishitsuka, M. / Jochum, J. / Jollet, C. / Jones, C. L. / Kaether, F. / Kalousis, L. / Kamyshkov, Y. / Kaplan, D. M. / Kawasaki, T. / Keefer, G. / Kemp, E. / de Kerret, H. / Kibe, Y. / Konno, T. / Kryn, D. / Kuze, M. / Lachenmaier, T. / Lane, C. E. / Langbrandtner, C. / Lasserre, T. / Letourneau, A. / Lhuillier, D. / Lima Jr, H. P. / Lindner, M. / Liu, Y. / López-Castanõ, J. M. / LoSecco, J. M. / Lubsandorzhiev, B. K. / Lucht, S. / McKee, D. / Maeda, J. / Maesano, C. N. / Mariani, C. / Maricic, J. / Martino, J. / Matsubara, T. / Mention, G. / Meregaglia, A. / Miletic, T. / Milincic, R. / Milzstajn, A. / Miyata, H. / Motta, D. / Mueller, Th. A. / Nagasaka, Y. / Nakajima, K. / Novella, P. / Obolensky, M. / Oberauer, L. / Onillon, A. / Osborn, A. / Ostrovskiy, I. / Palomares, C. / Peeters, S. J. M. / Pepe, I. M. / Perasso, S. / Perrin, P. / Pfahler, P. / Porta, A. / Potzel, W. / Queval, R. / Reichenbacher, J. / Reinhold, B. / Remoto, A. / Reyna, D. / Röhling, M. / Roth, S. / Rubin, H. A. / Sakamoto, Y. / Santorelli, R. / Sato, F. / Schönert, S. / Schoppmann, S. / Schwan, U. / Schwetz, T. / Shaevitz, M. H. / Shrestha, D. / Sida, J-L. / Sinev, V. / Skorokhvatov, M. / Smith, E. / Spitz, J. / Stahl, A. / Stancu, I. / Strait, M. / Stüken, A. / Suekane, F. / Sukhotin, S. / Sumiyoshi, T. / Sun, Y. / Sun, Z. / Svoboda, R. / Tabata, H. / Tamura, N. / Terao, K. / Tonazzo, A. / Toups, M. / Thi, H. H. Trinh / Veyssiere, C. / Wagner, S. / Watanabe, H. / White, B. / Wiebusch, C. / Winslow, L. / Worcester, M. / Wurm, M. / Yanovitch, E. / Yermia, F. / Zbiri, K. / Zimmer, V.

2011

Abstract: The Double Chooz Experiment presents an indication of reactor electron antineutrino disappearance consistent with neutrino oscillations. A ratio of 0.944 $\pm$ 0.016 (stat) $\pm$ 0.040 (syst) observed to predicted events was obtained in 101 days of ... ...

Abstract	The Double Chooz Experiment presents an indication of reactor electron antineutrino disappearance consistent with neutrino oscillations. A ratio of 0.944 $\pm$ 0.016 (stat) $\pm$ 0.040 (syst) observed to predicted events was obtained in 101 days of running at the Chooz Nuclear Power Plant in France, with two 4.25 GW$_{th}$ reactors. The results were obtained from a single 10 m$^3$ fiducial volume detector located 1050 m from the two reactor cores. The reactor antineutrino flux prediction used the Bugey4 measurement as an anchor point. The deficit can be interpreted as an indication of a non-zero value of the still unmeasured neutrino mixing parameter \sang. Analyzing both the rate of the prompt positrons and their energy spectrum we find \sang = 0.086 $\pm$ 0.041 (stat) $\pm$ 0.030 (syst), or, at 90% CL, 0.015 $<$ \sang $\ <$ 0.16. Comment: 7 pages, 4 figures, (new version after PRL referee's comments)
Schlagwörter	High Energy Physics - Experiment
Thema/Rubrik (Code)	660
Erscheinungsdatum	2011-12-29
Erscheinungsland	us
Dokumenttyp	Buch ; Online
Datenquelle	BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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Artikel ; Online: Results from the Baksan Experiment on Sterile Transitions (BEST).

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Artikel ; Online: An extremely energetic cosmic ray observed by a surface detector array.

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Artikel ; Online: Primary CR energy spectrum and mass composition by the data of Tunka-133 array

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Artikel ; Online: Indication of reactor ν(e) disappearance in the Double Chooz experiment.

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Buch ; Online: Direct Measurement of Backgrounds using Reactor-Off Data in Double Chooz

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Buch ; Online: Indication for the disappearance of reactor electron antineutrinos in the Double Chooz experiment

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