利用MINERvA测量深度非弹性中微子散射中的部分子核效应
高能物理 - 实验
2016-10-04 v3
摘要
MINERvA合作组报道了一项利用相同中微子束入射到聚苯乙烯、石墨、铁和铅靶上的中微子-原子核带电流深度非弹性散射（DIS）的新研究。结果以C、Fe和Pb相对于CH的比值给出。总DIS截面比值作为中微子能量的函数，以及通量积分微分截面作为比约肯标度变量x的函数，在5-50 GeV中微子能量范围内给出。基于带电轻子-原子核散射，在中x和低中微子能量下，数据与预测比值间发现良好一致。然而，在核阴影区x<0.1附近，数据率似乎出现亏损。这一表观亏损反映在高能中微子下的DIS截面比值中，与先前的MINERvA观测结果一致，也与中微子散射中轴矢量流引发核阴影的预期起始一致。
引用
@article{arxiv.1601.06313,
title = {Measurement of Partonic Nuclear Effects in Deep-Inelastic Neutrino Scattering using MINERvA},
author = {MINERvA Collaboration and J. Mousseau and M. Wospakrik and L. Aliaga and O. Altinok and L. Bellantoni and A. Bercellie and M. Betancourt and A. Bodek and A. Bravar and H. Budd and T. Cai and M. F. Carneiro and M. E. Christy and J. Chvojka and H. da Motta and J. Devan and S. A. Dytman and G. A. Díaz and B. Eberly and J. Felix and L. Fields and R. Fine and A. M. Gago and R. Galindo and H. Gallagher and A. Ghosh and T. Golan and R. Gran and D. A. Harris and A. Higuera and K. Hurtado and M. Kiveni and J. Kleykamp and M. Kordosky and T. Le and E. Maher and S. Manly and W. A. Mann and C. M. Marshall and D. A. Martinez Caicedo and K. S. McFarland and C. L. McGivern and A. M. McGowan and B. Messerly and J. Miller and A. Mislivec and J. G. Morfín and D. Naples and J. K. Nelson and A. Norrick and Nuruzzaman and J. Osta and V. Paolone and J. Park and C. E. Patrick and G. N. Perdue and L. Rakotondravohitra and M. A. Ramirez and R. D. Ransome and H. Ray and L. Ren and D. Rimal and P. A. Rodrigues and D. Ruterbories and H. Schellman and D. W. Schmitz and C. J. Solano Salinas and N. Tagg and B. G. Tice and E. Valencia and T. Walton and J. Wolcott and G. Zavala and D. Zhang},
journal= {arXiv preprint arXiv:1601.06313},
year = {2016}
}