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    New measurement of θ13 via neutron capture on hydrogen at Daya Bay

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    Name:
    1603.03549v2.pdf
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    Genre
    Journal Article
    Date
    2016-04-21
    Author
    An, FP
    Balantekin, AB
    Band, HR
    Bishai, M
    Blyth, S
    Cao, D
    Cao, GF
    Cao, J
    Cen, WR
    Chan, YL
    Chang, JF
    Chang, LC
    Chang, Y
    Chen, HS
    Chen, QY
    Chen, SM
    Chen, YX
    Chen, Y
    Cheng, JH
    Cheng, JH
    Cheng, J
    Cheng, YP
    Cheng, ZK
    Cherwinka, JJ
    Chu, MC
    Chukanov, A
    Cummings, JP
    De Arcos, J
    Deng, ZY
    Ding, XF
    Ding, YY
    Diwan, MV
    Dolgareva, M
    Dove, J
    Dwyer, DA
    Edwards, WR
    Gill, R
    Gonchar, M
    Gong, GH
    Gong, H
    Grassi, M
    Gu, WQ
    Guan, MY
    Guo, L
    Guo, RP
    Guo, XH
    Guo, Z
    Hackenburg, RW
    Han, R
    Hans, S
    He, M
    Heeger, KM
    Heng, YK
    Higuera, A
    Hor, YK
    Hsiung, YB
    Hu, BZ
    Hu, T
    Hu, W
    Huang, EC
    Huang, HX
    Huang, XT
    Huber, P
    Huo, W
    Hussain, G
    Jaffe, DE
    Jaffke, P
    Jen, KL
    Jetter, S
    Ji, XP
    Ji, XL
    Jiao, JB
    Johnson, RA
    Joshi, J
    Kang, L
    Kettell, SH
    Kohn, S
    Kramer, M
    Kwan, KK
    Kwok, MW
    Kwok, T
    Langford, TJ
    Lau, K
    Lebanowski, L
    Lee, J
    Lee, JHC
    Lei, RT
    Leitner, R
    Leung, JKC
    Li, C
    Li, DJ
    Li, F
    Li, GS
    Li, QJ
    Li, S
    Li, SC
    Li, WD
    Li, XN
    Li, YF
    Li, ZB
    Show allShow less
    Subject
    hep-ex
    hep-ex
    physics.ins-det
    Permanent link to this record
    http://hdl.handle.net/20.500.12613/5720
    
    Metadata
    Show full item record
    DOI
    10.1103/PhysRevD.93.072011
    Abstract
    © 2016 American Physical Society. This article reports an improved independent measurement of neutrino mixing angle θ13 at the Daya Bay Reactor Neutrino Experiment. Electron antineutrinos were identified by inverse β-decays with the emitted neutron captured by hydrogen, yielding a data set with principally distinct uncertainties from that with neutrons captured by gadolinium. With the final two of eight antineutrino detectors installed, this study used 621 days of data including the previously reported 217-day data set with six detectors. The dominant statistical uncertainty was reduced by 49%. Intensive studies of the cosmogenic muon-induced Li9 and fast neutron backgrounds and the neutron-capture energy selection efficiency, resulted in a reduction of the systematic uncertainty by 26%. The deficit in the detected number of antineutrinos at the far detectors relative to the expected number based on the near detectors yielded sin22θ13=0.071±0.011 in the three-neutrino-oscillation framework. The combination of this result with the gadolinium-capture result is also reported.
    Citation to related work
    American Physical Society (APS)
    Has part
    Physical Review D
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    For Americans with Disabilities Act (ADA) accommodation, including help with reading this content, please contact scholarshare@temple.edu
    ae974a485f413a2113503eed53cd6c53
    http://dx.doi.org/10.34944/dspace/5702
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    • Thumbnail

      Improved measurement of the reactor antineutrino flux and spectrum at Daya Bay

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    • Thumbnail

      Improved Search for a Light Sterile Neutrino with the Full Configuration of the Daya Bay Experiment

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