Observation of electron-antineutrino disappearance at Daya Bay

The Daya Bay Reactor Neutrino Experiment has measured a nonzero value for the neutrino mixing angle θ(13) with a significance of 5.2 standard deviations. Antineutrinos from six 2.9 GWth reactors were detected in six antineutrino detectors deployed in two near (flux-weighted baseline 470 m and 576 m)...

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Veröffentlicht in:	Physical review letters 2012-04, Vol.108 (17), p.171803-171803, Article 171803
Hauptverfasser:	An, F P, Bai, J Z, Balantekin, A B, Band, H R, Beavis, D, Beriguete, W, Bishai, M, Blyth, S, Boddy, K, Brown, R L, Cai, B, Cao, G F, Cao, J, Carr, R, Chan, W T, Chang, J F, Chang, Y, Chasman, C, Chen, H S, Chen, H Y, Chen, S J, Chen, S M, Chen, X C, Chen, X H, Chen, X S, Chen, Y, Chen, Y X, Cherwinka, J J, Chu, M C, Cummings, J P, Deng, Z Y, Ding, Y Y, Diwan, M V, Dong, L, Draeger, E, Du, X F, Dwyer, D A, Edwards, W R, Ely, S R, Fang, S D, Fu, J Y, Fu, Z W, Ge, L Q, Ghazikhanian, V, Gill, R L, Goett, J, Gonchar, M, Gong, G H, Gong, H, Gornushkin, Y A, Greenler, L S, Gu, W Q, Guan, M Y, Guo, X H, Hackenburg, R W, Hahn, R L, Hans, S, He, M, He, Q, He, W S, Heeger, K M, Heng, Y K, Hinrichs, P, Ho, T H, Hor, Y K, Hsiung, Y B, Hu, B Z, Hu, T, Huang, H X, Huang, H Z, Huang, P W, Huang, X, Huang, X T, Huber, P, Isvan, Z, Jaffe, D E, Jetter, S, Ji, X L, Ji, X P, Jiang, H J, Jiang, W Q, Jiao, J B, Johnson, R A, Kang, L, Kettell, S H, Kramer, M, Kwan, K K, Kwok, M W, Kwok, T, Lai, C Y, Lai, W C, Lai, W H, Lau, K, Lebanowski, L, Lee, J, Lee, M K P, Leitner, R, Leung, J K C, Leung, K Y
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creator	An, F P Bai, J Z Balantekin, A B Band, H R Beavis, D Beriguete, W Bishai, M Blyth, S Boddy, K Brown, R L Cai, B Cao, G F Cao, J Carr, R Chan, W T Chang, J F Chang, Y Chasman, C Chen, H S Chen, H Y Chen, S J Chen, S M Chen, X C Chen, X H Chen, X S Chen, Y Chen, Y X Cherwinka, J J Chu, M C Cummings, J P Deng, Z Y Ding, Y Y Diwan, M V Dong, L Draeger, E Du, X F Dwyer, D A Edwards, W R Ely, S R Fang, S D Fu, J Y Fu, Z W Ge, L Q Ghazikhanian, V Gill, R L Goett, J Gonchar, M Gong, G H Gong, H Gornushkin, Y A Greenler, L S Gu, W Q Guan, M Y Guo, X H Hackenburg, R W Hahn, R L Hans, S He, M He, Q He, W S Heeger, K M Heng, Y K Hinrichs, P Ho, T H Hor, Y K Hsiung, Y B Hu, B Z Hu, T Huang, H X Huang, H Z Huang, P W Huang, X Huang, X T Huber, P Isvan, Z Jaffe, D E Jetter, S Ji, X L Ji, X P Jiang, H J Jiang, W Q Jiao, J B Johnson, R A Kang, L Kettell, S H Kramer, M Kwan, K K Kwok, M W Kwok, T Lai, C Y Lai, W C Lai, W H Lau, K Lebanowski, L Lee, J Lee, M K P Leitner, R Leung, J K C Leung, K Y
description	The Daya Bay Reactor Neutrino Experiment has measured a nonzero value for the neutrino mixing angle θ(13) with a significance of 5.2 standard deviations. Antineutrinos from six 2.9 GWth reactors were detected in six antineutrino detectors deployed in two near (flux-weighted baseline 470 m and 576 m) and one far (1648 m) underground experimental halls. With a 43,000 ton-GWth-day live-time exposure in 55 days, 10,416 (80,376) electron-antineutrino candidates were detected at the far hall (near halls). The ratio of the observed to expected number of antineutrinos at the far hall is R=0.940±0.011(stat.)±0.004(syst.). A rate-only analysis finds sin(2)2θ(13)=0.092±0.016(stat.)±0.005(syst.) in a three-neutrino framework.
doi_str_mv	10.1103/physrevlett.108.171803
format	Article
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Antineutrinos from six 2.9 GWth reactors were detected in six antineutrino detectors deployed in two near (flux-weighted baseline 470 m and 576 m) and one far (1648 m) underground experimental halls. With a 43,000 ton-GWth-day live-time exposure in 55 days, 10,416 (80,376) electron-antineutrino candidates were detected at the far hall (near halls). The ratio of the observed to expected number of antineutrinos at the far hall is R=0.940±0.011(stat.)±0.004(syst.). 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P</creatorcontrib><creatorcontrib>Leitner, R</creatorcontrib><creatorcontrib>Leung, J K C</creatorcontrib><creatorcontrib>Leung, K Y</creatorcontrib><title>Observation of electron-antineutrino disappearance at Daya Bay</title><title>Physical review letters</title><addtitle>Phys Rev Lett</addtitle><description>The Daya Bay Reactor Neutrino Experiment has measured a nonzero value for the neutrino mixing angle θ(13) with a significance of 5.2 standard deviations. Antineutrinos from six 2.9 GWth reactors were detected in six antineutrino detectors deployed in two near (flux-weighted baseline 470 m and 576 m) and one far (1648 m) underground experimental halls. With a 43,000 ton-GWth-day live-time exposure in 55 days, 10,416 (80,376) electron-antineutrino candidates were detected at the far hall (near halls). The ratio of the observed to expected number of antineutrinos at the far hall is R=0.940±0.011(stat.)±0.004(syst.). A rate-only analysis finds sin(2)2θ(13)=0.092±0.016(stat.)±0.005(syst.) in a three-neutrino framework.</description><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNo9kF1LwzAUhoMobk7_wiheedN5srRNeiP4rTCYiF6X0_SUVbqkJtlg_96MqVcHDs97Ph7GphxmnIO4HlY772jbUwgzDmrGJVcgjtiYgyxTyXl2zMYAgqclgByxM--_AIDPC3XKRvNYQOVizG6WtSe3xdBZk9g2oZ50cNakaEJnaBNcZ2zSdB6HgdCh0ZRgSB5wh8kd7s7ZSYu9p4vfOmGfT48f9y_pYvn8en-7SHUOeUgLKWssNZCoFWYETZsLyGuNSjU56hbLphGQySy-QnXR1HnMybaos7agtlFiwi4Pc60PXeV1F0ivtDUmXltxKJVUWYSuDtDg7PeGfKjWndfU92jIbnzk5rBfAkVEiwOqnfVRZFsNrluj20Wo2guu3qLgd9ououDYU9VBcAxOf3ds6jU1_7E_o-IHUa16kA</recordid><startdate>20120423</startdate><enddate>20120423</enddate><creator>An, F P</creator><creator>Bai, J Z</creator><creator>Balantekin, A B</creator><creator>Band, H R</creator><creator>Beavis, D</creator><creator>Beriguete, W</creator><creator>Bishai, M</creator><creator>Blyth, 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Lebanowski, L ; Lee, J ; Lee, M K P ; Leitner, R ; Leung, J K C ; Leung, K Y</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c505t-677ba9c0e3b8a4e0df5305bca88d5acfa9dd30474108eb6db5c507f6b4f6efd83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>An, F P</creatorcontrib><creatorcontrib>Bai, J Z</creatorcontrib><creatorcontrib>Balantekin, A B</creatorcontrib><creatorcontrib>Band, H R</creatorcontrib><creatorcontrib>Beavis, D</creatorcontrib><creatorcontrib>Beriguete, W</creatorcontrib><creatorcontrib>Bishai, M</creatorcontrib><creatorcontrib>Blyth, S</creatorcontrib><creatorcontrib>Boddy, K</creatorcontrib><creatorcontrib>Brown, R L</creatorcontrib><creatorcontrib>Cai, B</creatorcontrib><creatorcontrib>Cao, G F</creatorcontrib><creatorcontrib>Cao, J</creatorcontrib><creatorcontrib>Carr, R</creatorcontrib><creatorcontrib>Chan, W T</creatorcontrib><creatorcontrib>Chang, J F</creatorcontrib><creatorcontrib>Chang, Y</creatorcontrib><creatorcontrib>Chasman, C</creatorcontrib><creatorcontrib>Chen, H S</creatorcontrib><creatorcontrib>Chen, H Y</creatorcontrib><creatorcontrib>Chen, S J</creatorcontrib><creatorcontrib>Chen, S M</creatorcontrib><creatorcontrib>Chen, X C</creatorcontrib><creatorcontrib>Chen, X H</creatorcontrib><creatorcontrib>Chen, X S</creatorcontrib><creatorcontrib>Chen, Y</creatorcontrib><creatorcontrib>Chen, Y X</creatorcontrib><creatorcontrib>Cherwinka, J J</creatorcontrib><creatorcontrib>Chu, M C</creatorcontrib><creatorcontrib>Cummings, J P</creatorcontrib><creatorcontrib>Deng, Z Y</creatorcontrib><creatorcontrib>Ding, Y Y</creatorcontrib><creatorcontrib>Diwan, M V</creatorcontrib><creatorcontrib>Dong, L</creatorcontrib><creatorcontrib>Draeger, E</creatorcontrib><creatorcontrib>Du, X F</creatorcontrib><creatorcontrib>Dwyer, D A</creatorcontrib><creatorcontrib>Edwards, W R</creatorcontrib><creatorcontrib>Ely, S R</creatorcontrib><creatorcontrib>Fang, S D</creatorcontrib><creatorcontrib>Fu, J Y</creatorcontrib><creatorcontrib>Fu, Z W</creatorcontrib><creatorcontrib>Ge, L Q</creatorcontrib><creatorcontrib>Ghazikhanian, V</creatorcontrib><creatorcontrib>Gill, R L</creatorcontrib><creatorcontrib>Goett, J</creatorcontrib><creatorcontrib>Gonchar, M</creatorcontrib><creatorcontrib>Gong, G H</creatorcontrib><creatorcontrib>Gong, H</creatorcontrib><creatorcontrib>Gornushkin, Y A</creatorcontrib><creatorcontrib>Greenler, L S</creatorcontrib><creatorcontrib>Gu, W Q</creatorcontrib><creatorcontrib>Guan, M Y</creatorcontrib><creatorcontrib>Guo, X H</creatorcontrib><creatorcontrib>Hackenburg, R W</creatorcontrib><creatorcontrib>Hahn, R L</creatorcontrib><creatorcontrib>Hans, S</creatorcontrib><creatorcontrib>He, M</creatorcontrib><creatorcontrib>He, Q</creatorcontrib><creatorcontrib>He, W S</creatorcontrib><creatorcontrib>Heeger, K M</creatorcontrib><creatorcontrib>Heng, Y K</creatorcontrib><creatorcontrib>Hinrichs, P</creatorcontrib><creatorcontrib>Ho, T H</creatorcontrib><creatorcontrib>Hor, Y K</creatorcontrib><creatorcontrib>Hsiung, Y B</creatorcontrib><creatorcontrib>Hu, B Z</creatorcontrib><creatorcontrib>Hu, T</creatorcontrib><creatorcontrib>Huang, H X</creatorcontrib><creatorcontrib>Huang, H Z</creatorcontrib><creatorcontrib>Huang, P W</creatorcontrib><creatorcontrib>Huang, X</creatorcontrib><creatorcontrib>Huang, X T</creatorcontrib><creatorcontrib>Huber, P</creatorcontrib><creatorcontrib>Isvan, Z</creatorcontrib><creatorcontrib>Jaffe, D E</creatorcontrib><creatorcontrib>Jetter, S</creatorcontrib><creatorcontrib>Ji, X L</creatorcontrib><creatorcontrib>Ji, X P</creatorcontrib><creatorcontrib>Jiang, H J</creatorcontrib><creatorcontrib>Jiang, W Q</creatorcontrib><creatorcontrib>Jiao, J B</creatorcontrib><creatorcontrib>Johnson, R A</creatorcontrib><creatorcontrib>Kang, L</creatorcontrib><creatorcontrib>Kettell, S H</creatorcontrib><creatorcontrib>Kramer, M</creatorcontrib><creatorcontrib>Kwan, K K</creatorcontrib><creatorcontrib>Kwok, M W</creatorcontrib><creatorcontrib>Kwok, T</creatorcontrib><creatorcontrib>Lai, C Y</creatorcontrib><creatorcontrib>Lai, W C</creatorcontrib><creatorcontrib>Lai, W H</creatorcontrib><creatorcontrib>Lau, K</creatorcontrib><creatorcontrib>Lebanowski, L</creatorcontrib><creatorcontrib>Lee, J</creatorcontrib><creatorcontrib>Lee, M K P</creatorcontrib><creatorcontrib>Leitner, R</creatorcontrib><creatorcontrib>Leung, J K C</creatorcontrib><creatorcontrib>Leung, K Y</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>An, F P</au><au>Bai, J Z</au><au>Balantekin, A B</au><au>Band, H R</au><au>Beavis, D</au><au>Beriguete, W</au><au>Bishai, M</au><au>Blyth, S</au><au>Boddy, K</au><au>Brown, R L</au><au>Cai, B</au><au>Cao, G F</au><au>Cao, J</au><au>Carr, R</au><au>Chan, W T</au><au>Chang, J F</au><au>Chang, Y</au><au>Chasman, C</au><au>Chen, H S</au><au>Chen, H Y</au><au>Chen, S J</au><au>Chen, S M</au><au>Chen, X C</au><au>Chen, X H</au><au>Chen, X S</au><au>Chen, Y</au><au>Chen, Y X</au><au>Cherwinka, J J</au><au>Chu, M C</au><au>Cummings, J P</au><au>Deng, Z Y</au><au>Ding, Y Y</au><au>Diwan, M V</au><au>Dong, L</au><au>Draeger, E</au><au>Du, X F</au><au>Dwyer, D A</au><au>Edwards, W R</au><au>Ely, S R</au><au>Fang, S D</au><au>Fu, J Y</au><au>Fu, Z W</au><au>Ge, L Q</au><au>Ghazikhanian, V</au><au>Gill, R L</au><au>Goett, J</au><au>Gonchar, M</au><au>Gong, G H</au><au>Gong, H</au><au>Gornushkin, Y A</au><au>Greenler, L S</au><au>Gu, W Q</au><au>Guan, M Y</au><au>Guo, X H</au><au>Hackenburg, R W</au><au>Hahn, R L</au><au>Hans, S</au><au>He, M</au><au>He, Q</au><au>He, W S</au><au>Heeger, K M</au><au>Heng, Y K</au><au>Hinrichs, P</au><au>Ho, T H</au><au>Hor, Y K</au><au>Hsiung, Y B</au><au>Hu, B Z</au><au>Hu, T</au><au>Huang, H X</au><au>Huang, H Z</au><au>Huang, P W</au><au>Huang, X</au><au>Huang, X T</au><au>Huber, P</au><au>Isvan, Z</au><au>Jaffe, D E</au><au>Jetter, S</au><au>Ji, X L</au><au>Ji, X P</au><au>Jiang, H J</au><au>Jiang, W Q</au><au>Jiao, J B</au><au>Johnson, R A</au><au>Kang, L</au><au>Kettell, S H</au><au>Kramer, M</au><au>Kwan, K K</au><au>Kwok, M W</au><au>Kwok, T</au><au>Lai, C Y</au><au>Lai, W C</au><au>Lai, W H</au><au>Lau, K</au><au>Lebanowski, L</au><au>Lee, J</au><au>Lee, M K P</au><au>Leitner, R</au><au>Leung, J K C</au><au>Leung, K Y</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Observation of electron-antineutrino disappearance at Daya Bay</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2012-04-23</date><risdate>2012</risdate><volume>108</volume><issue>17</issue><spage>171803</spage><epage>171803</epage><pages>171803-171803</pages><artnum>171803</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>The Daya Bay Reactor Neutrino Experiment has measured a nonzero value for the neutrino mixing angle θ(13) with a significance of 5.2 standard deviations. Antineutrinos from six 2.9 GWth reactors were detected in six antineutrino detectors deployed in two near (flux-weighted baseline 470 m and 576 m) and one far (1648 m) underground experimental halls. With a 43,000 ton-GWth-day live-time exposure in 55 days, 10,416 (80,376) electron-antineutrino candidates were detected at the far hall (near halls). The ratio of the observed to expected number of antineutrinos at the far hall is R=0.940±0.011(stat.)±0.004(syst.). A rate-only analysis finds sin(2)2θ(13)=0.092±0.016(stat.)±0.005(syst.) in a three-neutrino framework.</abstract><cop>United States</cop><pub>American Physical Society</pub><pmid>22680853</pmid><doi>10.1103/physrevlett.108.171803</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record>
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issn	0031-9007 1079-7114
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source	American Physical Society Journals
title	Observation of electron-antineutrino disappearance at Daya Bay
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