利用 $\bar{\nu}e^{-} \!\rightarrow \bar{\nu}e^{-}$ 数据改进对 MINERvA 中能中微子通量的约束
高能物理 - 实验
2023-01-25 v1
摘要
具有精确已知截面的过程，如中微子—电子弹性散射（）和逆缪子衰变（），已被 MINERvA 用于约束 NuMI 中微子束流通量的不确定性。本工作利用增强的 \numubar 中能 NuMI 束流，给出了中微子—电子弹性散射的新测量。在扣减本底后获得 578 个事例的样本，结合先前在 \numu 束流上的测量与逆缪子衰变测量，将 \numu 增强束流中 \numu 通量的不确定性从 7.6\% 降至 3.3\%，并将 \numubar 增强束流中 \numubar 通量的不确定性从 7.8\% 降至 4.7\%。
引用
@article{arxiv.2209.05540,
title = {Improved constraint on the MINERvA medium energy neutrino flux using $\bar{\nu}e^{-} \!\rightarrow \bar{\nu}e^{-}$ data},
author = {L. Zazueta and S. Akhter and Z. Ahmad Dar and F. Akbar and V. Ansari and M. V. Ascencio and M. Sajjad Athar and A. Bashyal and A. Bercellie and M. Betancourt and A. Bodek and J. L. Bonilla and A. Bravar and H. Budd and T. Cai and G. A. Díaz and H. da Motta and J. Felix and L. Fields and A. Filkins and R. Fine and A. M. Gago and H. Gallagher and A. Ghosh and S. M. Gilligan and R. Gran and E. Granados and D. A. Harris and S. Henry and D. Jena and S. Jena and J. Kleykamp and A. Klustová and M. Kordosky and D. Last and A. Lozano and X. -G. Lu and E. Maher and S. Manly and W. A. Mann and K. S. McFarland and B. Messerly and J. Miller and O. Moreno and J. G. Morfín and J. K. Nelson and C. Nguyen and A. Olivier and V. Paolone and G. N. Perdue and K. -J. Plows and M. A. Ramírez and D. Ruterbories and H. Schellman and C. J. Solano Salinas and H. Su and M. Sultana and E. Valencia and N. H. Vaughan and A. V. Waldron and B. Yaeggy},
journal= {arXiv preprint arXiv:2209.05540},
year = {2023}
}
备注
12 pages, 16 figures