LIVIVO - Suchergebnisse -

Suchergebnis

Treffer 1 - 10 von insgesamt 18

Suchoptionen

Artikel ; Online: Experimental Search for Neutron to Mirror Neutron Oscillations as an Explanation of the Neutron Lifetime Anomaly.

Broussard, L J / Barrow, J L / DeBeer-Schmitt, L / Dennis, T / Fitzsimmons, M R / Frost, M J / Gilbert, C E / Gonzalez, F M / Heilbronn, L / Iverson, E B / Johnston, A / Kamyshkov, Y / Kline, M / Lewiz, P / Matteson, C / Ternullo, J / Varriano, L / Vavra, S

Physical review letters

2022 Band 128, Heft 21, Seite(n) 212503

Abstract: An unexplained >4σ discrepancy persists between "beam" and "bottle" measurements of the neutron lifetime. A new model proposed that conversions of neutrons n into mirror neutrons n^{'}, part of a dark mirror sector, can increase the apparent neutron ... ...

Abstract	An unexplained >4σ discrepancy persists between "beam" and "bottle" measurements of the neutron lifetime. A new model proposed that conversions of neutrons n into mirror neutrons n^{'}, part of a dark mirror sector, can increase the apparent neutron lifetime by 1% via a small mass splitting Δm between n and n^{'} inside the 4.6 T magnetic field of the National Institute of Standards and Technology Beam Lifetime experiment. A search for neutron conversions in a 6.6 T magnetic field was performed at the Spallation Neutron Source which excludes this explanation for the neutron lifetime discrepancy.
Sprache	Englisch
Erscheinungsdatum	2022-06-10
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.128.212503
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

Zusatzmaterialien

Verfügbar in ZB MED Bonn

Z 4' 58/153: Hefte anzeigen

Über subito bestellen

Dieser Service ist kostenpflichtig (siehe Lieferbedingungen von subito). Bestellungen, die einen Artikel nebst Supplementary Material umfassen, werden grundsätzlich wie mehrfache Bestellungen bearbeitet. Gebühren fallen in diesen Fällen für jede einzelne Bestellung an.

Fernleihe an ZB MED

Sie können sich den gewünschten Titel als lokale Nutzerin oder lokaler Nutzer von ZB MED direkt an den Standort Köln schicken lassen.

Details ▾
- Im ZB MED-Bestand
- Kostenpflichtig bestellen

Artikel ; Online: Proposal for an electron antineutrino disappearance search using high-rate 8Li production and decay.

Bungau, A / Adelmann, A / Alonso, J R / Barletta, W / Barlow, R / Bartoszek, L / Calabretta, L / Calanna, A / Campo, D / Conrad, J M / Djurcic, Z / Kamyshkov, Y / Shaevitz, M H / Shimizu, I / Smidt, T / Spitz, J / Wascko, M / Winslow, L A / Yang, J J

Physical review letters

2012 Band 109, Heft 14, Seite(n) 141802

Abstract: This paper introduces an experimental probe of the sterile neutrino with a novel, high-intensity source of electron antineutrinos from the production and subsequent decay of 8Li. When paired with an existing ∼1 kton scintillator-based detector, this

Abstract	This paper introduces an experimental probe of the sterile neutrino with a novel, high-intensity source of electron antineutrinos from the production and subsequent decay of 8Li. When paired with an existing ∼1 kton scintillator-based detector, this <E(ν)> = 6.4 MeV source opens a wide range of possible searches for beyond standard model physics via studies of the inverse beta decay interaction ν(e) + p → e+ + n. In particular, the experimental design described here has unprecedented sensitivity to ν(e) disappearance at Δm2 ∼ 1 eV2 and features the ability to distinguish between the existence of zero, one, and two sterile neutrinos.
Sprache	Englisch
Erscheinungsdatum	2012-10-05
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.109.141802
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

Zusatzmaterialien

Verfügbar in ZB MED Bonn

Z 4' 58/153: Hefte anzeigen

Über subito bestellen

Fernleihe an ZB MED

Sie können sich den gewünschten Titel als lokale Nutzerin oder lokaler Nutzer von ZB MED direkt an den Standort Köln schicken lassen.

Details ▾
- Im ZB MED-Bestand
- Kostenpflichtig bestellen

Buch ; Online: $|\Delta \mathcal{B}| =2$

A State of the Field, and Looking Forward--A brief status report of theoretical and experimental physics opportunities

2020

Abstract: The origin of the matter-antimatter asymmetry apparently obligates the laws of physics to include some mechanism of baryon number ($\mathcal{B}$) violation. Searches for interactions violating $\mathcal{B}$ and baryon-minus-lepton number $\mathcal{(B-L)}$ ...

Abstract	The origin of the matter-antimatter asymmetry apparently obligates the laws of physics to include some mechanism of baryon number ($\mathcal{B}$) violation. Searches for interactions violating $\mathcal{B}$ and baryon-minus-lepton number $\mathcal{(B-L)}$ represent a rich and underutilized opportunity. These are complementary to the existing, broad program of searches for $\mathcal{L}$-violating modes such as neutrinoless double $\beta$-decay which could provide deeper understandings of the plausibility of leptogenesis, or $\mathcal{B}$-violating, $\mathcal{(B-L)}$-conserving processes such as proton decay. In particular, a low-scale, post-sphaleron violation mechanism of $\mathcal{(B-L)}$ could provide a \textit{testable} form of baryogenesis. Though theoretically compelling, searches for such $\mathcal{(B-L)}$-violating processes like $\Delta\mathcal{B}=2$ dinucleon decay and $n\rightarrow\bar{n}$ remain relatively underexplored experimentally compared to other rare processes. By taking advantage of upcoming facilities such as the Deep Underground Neutrino Experiment and the European Spallation Source, this gap can be addressed with new intranuclear and free searches for neutron transformations with very high sensitivity, perhaps greater than three orders of magnitude higher than previous experimental searches. This proceedings reports on recent theoretical and experimental advances and sensitivities of next-generation searches for neutron transformations were detailed as part of the Amherst Center for Fundamental Interactions Workshop, "Theoretical Innovations for Future Experiments Regarding Baryon Number Violation," directly coordinated with the Rare Processes and Precision Measurements Frontier. Comment: Amherst Center for Fundamental Interactions workshop proceedings with short and long abstracts
Schlagwörter	High Energy Physics - Phenomenology ; High Energy Physics - Experiment ; High Energy Physics - Theory ; Nuclear Theory
Thema/Rubrik (Code)	612 ; 530
Erscheinungsdatum	2020-10-05
Erscheinungsland	us
Dokumenttyp	Buch ; Online
Datenquelle	BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

Volltext online

Volltext online

Zusatzmaterialien

Fernleihe an ZB MED

Sie können sich den gewünschten Titel als lokale Nutzerin oder lokaler Nutzer von ZB MED direkt an den Standort Köln schicken lassen.

Buch ; Online: PROSPECT - A Precision Reactor Oscillation and Spectrum Experiment at Short Baselines

Ashenfelter, J. / Balantekin, A. B. / Band, H. R. / Barclay, G. / Bass, C. / Bowden, N. S. / Bryan, C. D. / Cherwinka, J. J. / Chu, R. / Classen, T. / Davee, D. / Dean, D. / Deichert, G. / Diwan, M. / Dolinski, M. J. / Dolph, J. / Dwyer, D. A. / Efremenko, Y. / Fan, S. /

Galindo-Uribarri, A. / Gilje, K. / Glenn, A. / Green, M. / Han, K. / Hans, S. / Heeger, K. M. / Heffron, B. / Hu, L. / Huber, P. / Jaffe, D. E. / Kamyshkov, Y. / Kettell, S. / Lane, C. / Langford, T. J. / Littlejohn, B. R. / Martinez, D. / McKeown, R. D. / Mendenhall, M. P. / Morrell, S. / Mueller, P. / Mumm, H. P. / Napolitano, J. / Nico, J. S. / Norcini, D. / Pushin, D. / Qian, X. / Romero, E. / Rosero, R. / Seilhan, B. S. / Sharma, R. / Surukuchi, P. T. / Thompson, S. J. / Varner, R. L. / Viren, B. / Wang, W. / White, B. / White, C. / Wilhelmi, J. / Williams, C. / Williams, R. E. / Wise, T. / Yao, H. / Yeh, M. / Zaitseva, N. / Zhang, C. / Zhang, X.

2013

Abstract: Current models of antineutrino production in nuclear reactors predict detection rates and spectra at odds with the existing body of direct reactor antineutrino measurements. High-resolution antineutrino detectors operated close to compact research ... ...

Abstract	Current models of antineutrino production in nuclear reactors predict detection rates and spectra at odds with the existing body of direct reactor antineutrino measurements. High-resolution antineutrino detectors operated close to compact research reactor cores can produce new precision measurements useful in testing explanations for these observed discrepancies involving underlying nuclear or new physics. Absolute measurement of the 235U-produced antineutrino spectrum can provide additional constraints for evaluating the accuracy of current and future reactor models, while relative measurements of spectral distortion between differing baselines can be used to search for oscillations arising from the existence of eV-scale sterile neutrinos. Such a measurement can be performed in the United States at several highly-enriched uranium fueled research reactors using near-surface segmented liquid scintillator detectors. We describe here the conceptual design and physics potential of the PROSPECT experiment, a U.S.-based, multi-phase experiment with reactor-detector baselines of 7-20 meters capable of addressing these and other physics and detector development goals. Current R&D status and future plans for PROSPECT detector deployment and data-taking at the High Flux Isotope Reactor at Oak Ridge National Laboratory will be discussed. Comment: White paper prepared for Snowmass-2013; Updated to reflect experimental status as of January 2015. 18 pages, 12 figures
Schlagwörter	Physics - Instrumentation and Detectors ; High Energy Physics - Experiment
Thema/Rubrik (Code)	660
Erscheinungsdatum	2013-09-29
Erscheinungsland	us
Dokumenttyp	Buch ; Online
Datenquelle	BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

Volltext online

Volltext online

Zusatzmaterialien

Fernleihe an ZB MED

Sie können sich den gewünschten Titel als lokale Nutzerin oder lokaler Nutzer von ZB MED direkt an den Standort Köln schicken lassen.

Artikel: Precision measurement of neutrino oscillation parameters with KamLAND.

Abe, S / Ebihara, T / Enomoto, S / Furuno, K / Gando, Y / Ichimura, K / Ikeda, H / Inoue, K / Kibe, Y / Kishimoto, Y / Koga, M / Kozlov, A / Minekawa, Y / Mitsui, T / Nakajima, K / Nakamura, K / Nakamura, M / Owada, K / Shimizu, I /

Shimizu, Y / Shirai, J / Suekane, F / Suzuki, A / Takemoto, Y / Tamae, K / Terashima, A / Watanabe, H / Yonezawa, E / Yoshida, S / Busenitz, J / Classen, T / Grant, C / Keefer, G / Leonard, D S / McKee, D / Piepke, A / Decowski, M P / Detwiler, J A / Freedman, S J / Fujikawa, B K / Gray, F / Guardincerri, E / Hsu, L / Kadel, R / Lendvai, C / Luk, K-B / Murayama, H / O'Donnell, T / Steiner, H M / Winslow, L A / Dwyer, D A / Jillings, C / Mauger, C / McKeown, R D / Vogel, P / Zhang, C / Berger, B E / Lane, C E / Maricic, J / Miletic, T / Batygov, M / Learned, J G / Matsuno, S / Pakvasa, S / Foster, J / Horton-Smith, G A / Tang, A / Dazeley, S / Downum, K E / Gratta, G / Tolich, K / Bugg, W / Efremenko, Y / Kamyshkov, Y / Perevozchikov, O / Karwowski, H J / Markoff, D M / Tornow, W / Heeger, K M / Piquemal, F / Ricol, J-S

Physical review letters

2008 Band 100, Heft 22, Seite(n) 221803

Abstract: The KamLAND experiment has determined a precise value for the neutrino oscillation parameter Deltam21(2) and stringent constraints on theta12. The exposure to nuclear reactor antineutrinos is increased almost fourfold over previous results to 2.44 x 10( ... ...

Abstract	The KamLAND experiment has determined a precise value for the neutrino oscillation parameter Deltam21(2) and stringent constraints on theta12. The exposure to nuclear reactor antineutrinos is increased almost fourfold over previous results to 2.44 x 10(32) proton yr due to longer livetime and an enlarged fiducial volume. An undistorted reactor nu[over]e energy spectrum is now rejected at >5sigma. Analysis of the reactor spectrum above the inverse beta decay energy threshold, and including geoneutrinos, gives a best fit at Deltam21(2)=7.58(-0.13)(+0.14)(stat) -0.15+0.15(syst) x 10(-5) eV2 and tan2theta12=0.56(-0.07)+0.10(stat) -0.06+0.10(syst). Local Deltachi2 minima at higher and lower Deltam21(2) are disfavored at >4sigma. Combining with solar neutrino data, we obtain Deltam21(2)=7.59(-0.21)+0.21 x 10(-5) eV2 and tan2theta12=0.47(-0.05)+0.06.
Sprache	Englisch
Erscheinungsdatum	2008-06-06
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.100.221803
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

Zusatzmaterialien

Verfügbar in ZB MED Bonn

Z 4' 58/153: Hefte anzeigen

Über subito bestellen

Fernleihe an ZB MED

Sie können sich den gewünschten Titel als lokale Nutzerin oder lokaler Nutzer von ZB MED direkt an den Standort Köln schicken lassen.

Details ▾
- Im ZB MED-Bestand
- Kostenpflichtig bestellen

Buch ; Online: Improved measurements of the neutrino mixing angle $\theta_{13}$ with the Double Chooz detector

Abe, Y. / Anjos, J. C. dos / Barriere, J. C. / Baussan, E. / Bekman, I. / Bergevin, M. / Bezerra, T. J. C. / Bezrukov, L. / Blucher, E. / Buck, C. / Busenitz, J. / Cabrera, A. / Caden, E. / Camilleri, L. / Carr, R. / Cerrada, M. / Chang, P. -J. / Chauveau, E. / Chimenti, P. /

Collin, A. P. / Conover, E. / Conrad, J. M. / Crespo-Anadón, J. I. / Crum, K. / Cucoanes, A. S. / Damon, E. / Dawson, J. V. / Dhooghe, J. / Dietrich, D. / Djurcic, Z. / Dracos, M. / Elnimr, M. / Etenko, A. / Fallot, M. / von Feilitzsch, F. / Felde, J. / Fernandes, S. M. / Fischer, V. / Franco, D. / Franke, M. / Furuta, H. / Gil-Botella, I. / Giot, L. / Göger-Neff, M. / Gonzalez, L. F. G. / Goodenough, L. / Goodman, M. C. / Grant, C. / Haag, N. / Hara, T. / Haser, J. / Hofmann, M. / Horton-Smith, G. A. / Hourlier, A. / Ishitsuka, M. / Jochum, J. / Jollet, C. / Kaether, F. / Kalousis, L. N. / Kamyshkov, Y. / Kaplan, D. M. / Kawasaki, T. / Kemp, E. / de Kerret, H. / Kryn, D. / Kuze, M. / Lachenmaier, T. / Lane, C. E. / Lasserre, T. / Letourneau, A. / Lhuillier, D. / Lima Jr, H. P. / Lindner, M. / López-Castaño, J. M. / LoSecco, J. M. / Lubsandorzhiev, B. / Lucht, S. / Maeda, J. / Mariani, C. / Maricic, J. / Martino, J. / Matsubara, T. / Mention, G. / Meregaglia, A. / Miletic, T. / Milincic, R. / Minotti, A. / Nagasaka, Y. / Nikitenko, Y. / Novella, P. / Oberauer, L. / Obolensky, M. / Onillon, A. / Osborn, A. / Palomares, C. / Pepe, I. M. / Perasso, S. / Pfahler, P. / Porta, A. / Pronost, G. / Reichenbacher, J. / Reinhold, B. / Röhling, M. / Roncin, R. / Roth, S. / Rybolt, B. / Sakamoto, Y. / Santorelli, R. / Schilithz, A. C. / Schönert, S. / Schoppmann, S. / Shaevitz, M. H. / Sharankova, R. / Shimojima, S. / Shrestha, D. / Sibille, V. / 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. / Thi, H. H. Trinh / Valdiviesso, G. / Vassilopoulos, N. / Veyssiere, C. / Vivier, M. / Wagner, S. / Walsh, N. / Watanabe, H. / Wiebusch, C. / Winslow, L. / Wurm, M. / Yang, G. / Yermia, F. / Zimmer, V.

2014

Abstract: The Double Chooz experiment presents improved measurements of the neutrino mixing angle $\theta_{13}$ using the data collected in 467.90 live days from a detector positioned at an average distance of 1050 m from two reactor cores at the Chooz nuclear ... ...

Abstract	The Double Chooz experiment presents improved measurements of the neutrino mixing angle $\theta_{13}$ using the data collected in 467.90 live days from a detector positioned at an average distance of 1050 m from two reactor cores at the Chooz nuclear power plant. Several novel techniques have been developed to achieve significant reductions of the backgrounds and systematic uncertainties with respect to previous publications, whereas the efficiency of the $\bar\nu_{e}$ signal has increased. The value of $\theta_{13}$ is measured to be $\sin^{2}2\theta_{13} = 0.090 ^{+0.032}_{-0.029}$ from a fit to the observed energy spectrum. Deviations from the reactor $\bar\nu_{e}$ prediction observed above a prompt signal energy of 4 MeV and possible explanations are also reported. A consistent value of $\theta_{13}$ is obtained from a fit to the observed rate as a function of the reactor power independently of the spectrum shape and background estimation, demonstrating the robustness of the $\theta_{13}$ measurement despite the observed distortion. Comment: 44 pages, 25 figures. Figures 21 and 22 have been replaced (statistical error bars for bins above 8 MeV have become smaller). No other changes in the results of the paper; an Erratum submitted to JHEP
Schlagwörter	High Energy Physics - Experiment ; Physics - Instrumentation and Detectors
Thema/Rubrik (Code)	660
Erscheinungsdatum	2014-06-30
Erscheinungsland	us
Dokumenttyp	Buch ; Online
Datenquelle	BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

Volltext online

Volltext online

Zusatzmaterialien

Fernleihe an ZB MED

Sie können sich den gewünschten Titel als lokale Nutzerin oder lokaler Nutzer von ZB MED direkt an den Standort Köln schicken lassen.

Artikel ; Online: First Measurement of Electron Neutrino Appearance in NOvA.

Adamson, P / Ader, C / Andrews, M / Anfimov, N / Anghel, I / Arms, K / Arrieta-Diaz, E / Aurisano, A / Ayres, D S / Backhouse, C / Baird, M / Bambah, B A / Bays, K / Bernstein, R / Betancourt, M / Bhatnagar, V / Bhuyan, B / Bian, J / Biery, K /

Blackburn, T / Bocean, V / Bogert, D / Bolshakova, A / Bowden, M / Bower, C / Broemmelsiek, D / Bromberg, C / Brunetti, G / Bu, X / Butkevich, A / Capista, D / Catano-Mur, E / Chase, T R / Childress, S / Choudhary, B C / Chowdhury, B / Coan, T E / Coelho, J A B / Colo, M / Cooper, J / Corwin, L / Cronin-Hennessy, D / Cunningham, A / Davies, G S / Davies, J P / Del Tutto, M / Derwent, P F / Deepthi, K N / Demuth, D / Desai, S / Deuerling, G / Devan, A / Dey, J / Dharmapalan, R / Ding, P / Dixon, S / Djurcic, Z / Dukes, E C / Duyang, H / Ehrlich, R / Feldman, G J / Felt, N / Fenyves, E J / Flumerfelt, E / Foulkes, S / Frank, M J / Freeman, W / Gabrielyan, M / Gallagher, H R / Gebhard, M / Ghosh, T / Gilbert, W / Giri, A / Goadhouse, S / Gomes, R A / Goodenough, L / Goodman, M C / Grichine, V / Grossman, N / Group, R / Grudzinski, J / Guarino, V / Guo, B / Habig, A / Handler, T / Hartnell, J / Hatcher, R / Hatzikoutelis, A / Heller, K / Howcroft, C / Huang, J / Huang, X / Hylen, J / Ishitsuka, M / Jediny, F / Jensen, C / Jensen, D / Johnson, C / Jostlein, H / Kafka, G K / Kamyshkov, Y / Kasahara, S M S / Kasetti, S / Kephart, K / Koizumi, G / Kotelnikov, S / Kourbanis, I / Krahn, Z / Kravtsov, V / Kreymer, A / Kulenberg, Ch / Kumar, A / Kutnink, T / Kwarciancy, R / Kwong, J / Lang, K / Lee, A / Lee, W M / Lee, K / Lein, S / Liu, J / Lokajicek, M / Lozier, J / Lu, Q / Lucas, P / Luchuk, S / Lukens, P / Lukhanin, G / Magill, S / Maan, K / Mann, W A / Marshak, M L / Martens, M / Martincik, J / Mason, P / Matera, K / Mathis, M / Matveev, V / Mayer, N / McCluskey, E / Mehdiyev, R / Merritt, H / Messier, M D / Meyer, H / Miao, T / Michael, D / Mikheyev, S P / Miller, W H / Mishra, S R / Mohanta, R / Moren, A / Mualem, L / Muether, M / Mufson, S / Musser, J / Newman, H B / Nelson, J K / Niner, E / Norman, A / Nowak, J / Oksuzian, Y / Olshevskiy, A / Oliver, J / Olson, T / Paley, J / Pandey, P / Para, A / Patterson, R B / Pawloski, G / Pearson, N / Perevalov, D / Pershey, D / Peterson, E / Petti, R / Phan-Budd, S / Piccoli, L / Pla-Dalmau, A / Plunkett, R K / Poling, R / Potukuchi, B / Psihas, F / Pushka, D / Qiu, X / Raddatz, N / Radovic, A / Rameika, R A / Ray, R / Rebel, B / Rechenmacher, R / Reed, B / Reilly, R / Rocco, D / Rodkin, D / Ruddick, K / Rusack, R / Ryabov, V / Sachdev, K / Sahijpal, S / Sahoo, H / Samoylov, O / Sanchez, M C / Saoulidou, N / Schlabach, P / Schneps, J / Schroeter, R / Sepulveda-Quiroz, J / Shanahan, P / Sherwood, B / Sheshukov, A / Singh, J / Singh, V / Smith, A / Smith, D / Smolik, J / Solomey, N / Sotnikov, A / Sousa, A / Soustruznik, K / Stenkin, Y / Strait, M / Suter, L / Talaga, R L / Tamsett, M C / Tariq, S / Tas, P / Tesarek, R J / Thayyullathil, R B / Thomsen, K / Tian, X / Tognini, S C / Toner, R / Trevor, J / Tzanakos, G / Urheim, J / Vahle, P / Valerio, L / Vinton, L / Vrba, T / Waldron, A V / Wang, B / Wang, Z / Weber, A / Wehmann, A / Whittington, D / Wilcer, N / Wildberger, R / Wildman, D / Williams, K / Wojcicki, S G / Wood, K / Xiao, M / Xin, T / Yadav, N / Yang, S / Zadorozhnyy, S / Zalesak, J / Zamorano, B / Zhao, A / Zirnstein, J / Zwaska, R

Physical review letters

2016 Band 116, Heft 15, Seite(n) 151806

Abstract: We report results from the first search for ν_{μ}→ν_{e} transitions by the NOvA experiment. In an exposure equivalent to 2.74×10^{20} protons on target in the upgraded NuMI beam at Fermilab, we observe 6 events in the Far Detector, compared to a ... ...

Abstract	We report results from the first search for ν_{μ}→ν_{e} transitions by the NOvA experiment. In an exposure equivalent to 2.74×10^{20} protons on target in the upgraded NuMI beam at Fermilab, we observe 6 events in the Far Detector, compared to a background expectation of 0.99±0.11(syst) events based on the Near Detector measurement. A secondary analysis observes 11 events with a background of 1.07±0.14(syst). The 3.3σ excess of events observed in the primary analysis disfavors 0.1π<δ_{CP}<0.5π in the inverted mass hierarchy at the 90% C.L.
Sprache	Englisch
Erscheinungsdatum	2016--15
Erscheinungsland	United States
Dokumenttyp	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.116.151806
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

Zusatzmaterialien

Verfügbar in ZB MED Bonn

Z 4' 58/153: Hefte anzeigen

Über subito bestellen

Fernleihe an ZB MED

Sie können sich den gewünschten Titel als lokale Nutzerin oder lokaler Nutzer von ZB MED direkt an den Standort Köln schicken lassen.

Details ▾
- Im ZB MED-Bestand
- Kostenpflichtig bestellen

Artikel: Search for the invisible decay of neutrons with KamLAND.

Araki, T / Enomoto, S / Furuno, K / Gando, Y / Ichimura, K / Ikeda, H / Inoue, K / Kishimoto, Y / Koga, M / Koseki, Y / Maeda, T / Mitsui, T / Motoki, M / Nakajima, K / Nakamura, K / Ogawa, H / Ogawa, M / Owada, K / Ricol, J-S /

Shimizu, I / Shirai, J / Suekane, F / Suzuki, A / Tada, K / Takeuchi, S / Tamae, K / Tsuda, Y / Watanabe, H / Busenitz, J / Classen, T / Djurcic, Z / Keefer, G / Leonard, D S / Piepke, A / Yakushev, E / Berger, B E / Chan, Y D / Decowski, M P / Dwyer, D A / Freedman, S J / Fujikawa, B K / Goldman, J / Gray, F / Heeger, K M / Hsu, L / Lesko, K T / Luk, K-B / Murayama, H / O'Donnell, T / Poon, A W P / Steiner, H M / Winslow, L A / Jillings, C / Mauger, C / McKeown, R D / Vogel, P / Zhang, C / Lane, C E / Miletic, T / Guillian, G / Learned, J G / Maricic, J / Matsuno, S / Pakvasa, S / Horton-Smith, G A / Dazeley, S / Hatakeyama, S / Rojas, A / Svoboda, R / Dieterle, B D / Detwiler, J / Gratta, G / Ishii, K / Tolich, N / Uchida, Y / Batygov, M / Bugg, W / Efremenko, Y / Kamyshkov, Y / Kozlov, A / Nakamura, Y / Karwowski, H J / Markoff, D M / Rohm, R M / Tornow, W / Wendell, R / Chen, M-J / Wang, Y-F / Piquemal, F

Physical review letters

2006 Band 96, Heft 10, Seite(n) 101802

Abstract: The Kamioka Liquid scintillator Anti-Neutrino Detector is used in a search for single neutron or two-neutron intranuclear disappearance that would produce holes in the -shell energy level of (12)C nuclei. Such holes could be created as a result of ... ...

Abstract	The Kamioka Liquid scintillator Anti-Neutrino Detector is used in a search for single neutron or two-neutron intranuclear disappearance that would produce holes in the -shell energy level of (12)C nuclei. Such holes could be created as a result of nucleon decay into invisible modes (inv), e.g., n--> 3v or nn--> 2v. The deexcitation of the corresponding daughter nucleus results in a sequence of space and time-correlated events observable in the liquid scintillator detector. We report on new limits for one- and two-neutron disappearance: tau(n--> inv) > 5.8 x 10(29) years and tau (nn--> inv) > 1.4 x 10(30) years at 90% C.L. These results represent an improvement of factors of approximately 3 and >10(4) and over previous experiments.
Sprache	Englisch
Erscheinungsdatum	2006-03-17
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.96.101802
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

Zusatzmaterialien

Verfügbar in ZB MED Bonn

Z 4' 58/153: Hefte anzeigen

Über subito bestellen

Fernleihe an ZB MED

Sie können sich den gewünschten Titel als lokale Nutzerin oder lokaler Nutzer von ZB MED direkt an den Standort Köln schicken lassen.

Details ▾
- Im ZB MED-Bestand
- Kostenpflichtig bestellen

Artikel: Measurement of neutrino oscillation with KamLAND: evidence of spectral distortion.

Araki, T / Eguchi, K / Enomoto, S / Furuno, K / Ichimura, K / Ikeda, H / Inoue, K / Ishihara, K / Iwamoto, T / Kawashima, T / Kishimoto, Y / Koga, M / Koseki, Y / Maeda, T / Mitsui, T / Motoki, M / Nakajima, K / Ogawa, H / Owada, K /

Ricol, J-S / Shimizu, I / Shirai, J / Suekane, F / Suzuki, A / Tada, K / Tajima, O / Tamae, K / Tsuda, Y / Watanabe, H / Busenitz, J / Classen, T / Djurcic, Z / Keefer, G / McKinny, K / Mei, D-M / Piepke, A / Yakushev, E / Berger, B E / Chan, Y D / Decowski, M P / Dwyer, D A / Freedman, S J / Fu, Y / Fujikawa, B K / Goldman, J / Gray, F / Heeger, K M / Lesko, K T / Luk, K-B / Murayama, H / Poon, A W P / Steiner, H M / Winslow, L A / Horton-Smith, G A / Mauger, C / McKeown, R D / Vogel, P / Lane, C E / Miletic, T / Gorham, P W / Guillian, G / Learned, J G / Maricic, J / Matsuno, S / Pakvasa, S / Dazeley, S / Hatakeyama, S / Rojas, A / Svoboda, R / Dieterle, B D / Detwiler, J / Gratta, G / Ishii, K / Tolich, N / Uchida, Y / Batygov, M / Bugg, W / Efremenko, Y / Kamyshkov, Y / Kozlov, A / Nakamura, Y / Gould, C R / Karwowski, H J / Markoff, D M / Messimore, J A / Nakamura, K / Rohm, R M / Tornow, W / Wendell, R / Young, A R / Chen, M-J / Wang, Y-F / Piquemal, F

Physical review letters

2005 Band 94, Heft 8, Seite(n) 81801

Abstract: We present results of a study of neutrino oscillation based on a 766 ton/year exposure of KamLAND to reactor antineutrinos. We observe 258 nu (e) candidate events with energies above 3.4 MeV compared to 365.2+/-23.7 events expected in the absence of ... ...

Abstract	We present results of a study of neutrino oscillation based on a 766 ton/year exposure of KamLAND to reactor antineutrinos. We observe 258 nu (e) candidate events with energies above 3.4 MeV compared to 365.2+/-23.7 events expected in the absence of neutrino oscillation. Accounting for 17.8+/-7.3 expected background events, the statistical significance for reactor nu (e) disappearance is 99.998%. The observed energy spectrum disagrees with the expected spectral shape in the absence of neutrino oscillation at 99.6% significance and prefers the distortion expected from nu (e) oscillation effects. A two-neutrino oscillation analysis of the KamLAND data gives Deltam(2)=7.9(+0.6)(-0.5)x10(-5) eV(2). A global analysis of data from KamLAND and solar-neutrino experiments yields Deltam(2)=7.9(+0.6)(-0.5)x10(-5) eV(2) and tan((2)theta=0.40(+0.10)(-0.07), the most precise determination to date.
Sprache	Englisch
Erscheinungsdatum	2005-03-04
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.94.081801
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

Zusatzmaterialien

Verfügbar in ZB MED Bonn

Z 4' 58/153: Hefte anzeigen

Über subito bestellen

Fernleihe an ZB MED

Sie können sich den gewünschten Titel als lokale Nutzerin oder lokaler Nutzer von ZB MED direkt an den Standort Köln schicken lassen.

Details ▾
- Im ZB MED-Bestand
- Kostenpflichtig bestellen

Artikel ; Online: Experimental investigation of geologically produced antineutrinos with KamLAND.

Araki, T / Enomoto, S / Furuno, K / Gando, Y / Ichimura, K / Ikeda, H / Inoue, K / Kishimoto, Y / Koga, M / Koseki, Y / Maeda, T / Mitsui, T / Motoki, M / Nakajima, K / Ogawa, H / Ogawa, M / Owada, K / Ricol, J-S / Shimizu, I /

Shirai, J / Suekane, F / Suzuki, A / Tada, K / Takeuchi, S / Tamae, K / Tsuda, Y / Watanabe, H / Busenitz, J / Classen, T / Djurcic, Z / Keefer, G / Leonard, D / Piepke, A / Yakushev, E / Berger, B E / Chan, Y D / Decowski, M P / Dwyer, D A / Freedman, S J / Fujikawa, B K / Goldman, J / Gray, F / Heeger, K M / Hsu, L / Lesko, K T / Luk, K-B / Murayama, H / O'Donnell, T / Poon, A W P / Steiner, H M / Winslow, L A / Mauger, C / McKeown, R D / Vogel, P / Lane, C E / Miletic, T / Guillian, G / Learned, J G / Maricic, J / Matsuno, S / Pakvasa, S / Horton-Smith, G A / Dazeley, S / Hatakeyama, S / Rojas, A / Svoboda, R / Dieterle, B D / Detwiler, J / Gratta, G / Ishii, K / Tolich, N / Uchida, Y / Batygov, M / Bugg, W / Efremenko, Y / Kamyshkov, Y / Kozlov, A / Nakamura, Y / Karwowski, H J / Markoff, D M / Nakamura, K / Rohm, R M / Tornow, W / Wendell, R / Chen, M-J / Wang, Y-F / Piquemal, F

Nature

2005 Band 436, Heft 7050, Seite(n) 499–503

Abstract: The detection of electron antineutrinos produced by natural radioactivity in the Earth could yield important geophysical information. The Kamioka liquid scintillator antineutrino detector (KamLAND) has the sensitivity to detect electron antineutrinos ... ...

Abstract	The detection of electron antineutrinos produced by natural radioactivity in the Earth could yield important geophysical information. The Kamioka liquid scintillator antineutrino detector (KamLAND) has the sensitivity to detect electron antineutrinos produced by the decay of 238U and 232Th within the Earth. Earth composition models suggest that the radiogenic power from these isotope decays is 16 TW, approximately half of the total measured heat dissipation rate from the Earth. Here we present results from a search for geoneutrinos with KamLAND. Assuming a Th/U mass concentration ratio of 3.9, the 90 per cent confidence interval for the total number of geoneutrinos detected is 4.5 to 54.2. This result is consistent with the central value of 19 predicted by geophysical models. Although our present data have limited statistical power, they nevertheless provide by direct means an upper limit (60 TW) for the radiogenic power of U and Th in the Earth, a quantity that is currently poorly constrained.
Sprache	Englisch
Erscheinungsdatum	2005-07-28
Erscheinungsland	England
Dokumenttyp	Journal Article
ZDB-ID	120714-3
ISSN	1476-4687 ; 0028-0836
ISSN (online)	1476-4687
ISSN	0028-0836
DOI	10.1038/nature03980
Datenquelle	MEDical Literature Analysis and Retrieval System OnLINE

Zusatzmaterialien

Verfügbar in ZB MED Köln/Königswinter

Zs.A 26: Hefte anzeigen			Standort: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MG 9: Hefte anzeigen
Zs.MO 244: Hefte anzeigen

Über subito bestellen

Details ▾
- Im ZB MED-Bestand
- Kostenpflichtig bestellen

Zum Seitenanfang

Zusatzmaterialien

Kategorien

Verfügbar in ZB MED Bonn

Über subito bestellen

Fernleihe an ZB MED

Zusatzmaterialien

Kategorien

Verfügbar in ZB MED Bonn

Über subito bestellen

Fernleihe an ZB MED

Volltext online

Zusatzmaterialien

Kategorien

Fernleihe an ZB MED

Volltext online

Zusatzmaterialien

Kategorien

Fernleihe an ZB MED

Zusatzmaterialien

Kategorien

Verfügbar in ZB MED Bonn

Über subito bestellen

Fernleihe an ZB MED

Volltext online

Zusatzmaterialien

Kategorien

Fernleihe an ZB MED

Zusatzmaterialien

Kategorien

Verfügbar in ZB MED Bonn

Über subito bestellen

Fernleihe an ZB MED

Zusatzmaterialien

Kategorien

Verfügbar in ZB MED Bonn

Über subito bestellen

Fernleihe an ZB MED

Zusatzmaterialien

Kategorien

Verfügbar in ZB MED Bonn

Über subito bestellen

Fernleihe an ZB MED

Zusatzmaterialien

Kategorien

Verfügbar in ZB MED Köln/Königswinter

Über subito bestellen