中文

利用 Double Chooz 探测器进行宇宙缪子表征与年度调制测量

高能物理 - 实验 2017-02-14 v4 仪器与探测器

摘要

针对 Double Chooz 实验中放置于地下分别约 \sim120 和 \sim300 m.w.e. 深度的两个相同的近场与远场中微子探测器,开展了宇宙缪子研究,包括使用 MUSIC 模拟软件包进行的相应模拟。该表征测得到达两个探测器的缪子通量分别为:近场探测器 (3.64 ±\pm 0.04) ×\times 104^{-4} cm2^{-2}s1^{-1},远场探测器 (7.00 ±\pm 0.05) ×\times 105^{-5} cm2^{-2}s1^{-1}。此外还研究了信号的季节性调制,观察到其与大气温度存在正相关,近场和远场探测器的有效温度系数 αT\alpha_{T} 分别为 0.212 ±\pm 0.024 和 0.355 ±\pm 0.019。这些测量与基于理论模型的预期高度吻合,代表了对浅层深度装置中该系数的首次测量之一。

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引用

@article{arxiv.1611.07845,
  title  = {Cosmic-muon characterization and annual modulation measurement with Double Chooz detectors},
  author = {T. Abrahão and H. Almazan and J. C. dos Anjos and S. Appel and E. Baussan and I. Bekman and T. J. C. Bezerra and L. Bezrukov and E. Blucher and T. Brugière and C. Buck and J. Busenitz and A. Cabrera and L. Camilleri and R. Carr and M. Cerrada and E. Chauveau and P. Chimenti and O. Corpace and J. I. Crespo-Anadón and J. V. Dawson and J. Dhooghe and Z. Djurcic and M. Dracos and A. Etenko and M. Fallot and D. Franco and M. Franke and H. Furuta and I. Gil-Botella and L. Giot and A. Givaudan and M. Gögger-Neff and H. Gómez and L. F. G. Gonzalez and M. Goodman and T. Hara and J. Haser and D. Hellwig and A. Hourlier and M. Ishitsuka and J. Jochum and C. Jollet and K. Kale and P. Kampmann and M. Kaneda and D. M. Kaplan and T. Kawasaki and E. Kemp and H. de Kerret and D. Kryn and M. Kuze and T. Lachenmaier and C. Lane and T. Laserre and C. Lastoria and D. Lhuillier and H. Lima and M. Lindner and J. M. López-Castaño and J. M. LoSecco and B. Lubsandorzhiev and J. Maeda and C. Mariani and J. Maricic and T. Matsubara and G. Mention and A. Meregaglia and T. Miletic and A. Minotti and Y. Nagasaka and D. Navas-Nicolás and P. Novella and L. Oberauer and M. Obolensky and A. Onillon and A. Oralbaev and C. Palomares and I. Pepe and G. Pronost and B. Reinhold and B. Rybolt and Y. Sakamoto and R. Santorelli and S. Schönert and S. Schoppmann and R. Sharankova and V. Sibille and V. Sinev and M. Skorokhvatov and M. Soiron and P. Soldin and A. Stahl and I. Stancu and L. F. F. Stokes and M. Strait and F. Suekane and S. Sukhotin and T. Sumiyoshi and Y. Sun and B. Svoboda and A. Tonazzo and C. Veyssiere and M. Vivier and S. Wagner and C. Wiebusch and M. Wurm and G. Yang and F. Yermia and V. Zimmer},
  journal= {arXiv preprint arXiv:1611.07845},
  year   = {2017}
}

备注

20 pages, 11 figures