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arXiv 1701.04857hep-ex
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MINERvA中反中微子与中微子荷电相互作用截面比的测量

Measurement of the antineutrino to neutrino charged-current interaction cross section ratio in MINERvA

Minerva Collaboration, L. Ren, L. Aliaga, O. Altinok, L. Bellantoni, A. Bercellie, M. Betancourt, A. Bodek, A. Bravar, H. Budd, T. Cai, M. F. Carneiro, H. da Mo… 展开作者

Minerva Collaboration, L. Ren, L. Aliaga, O. Altinok, L. Bellantoni, A. Bercellie, M. Betancourt, A. Bodek, A. Bravar, H. Budd, T. Cai, M. F. Carneiro, H. da Motta, S. A. Dytman, G. A. Diaz, B. Eberly, E. Endress, J. Felix, L. Fields, R. Fine, A. M. Gago, R. Galindo, H. Gallagher, A. Ghosh, T. Golan, R. Gran, J. Y. Han, D. A. Harris, K. Hurtado, M. Kiveni, J. Kleykamp, M. Kordosky, T. Le, E. Maher, S. Manly, W. A. Mann, C. M. Marshall, D. A. Martinez Caicedo, K. S. McFarland, C. L. McGivern, A. M. McGowan, B. Messerly, J. Miller, A. Mislivec, J. G. Morfin, J. Mousseau, D. Naples, J. K. Nelson, A. Norrick, Nuruzzaman, V. Paolone, J. Park, C. E. Patrick, G. N. Perdue, M. A. Ramirez, R. D. Ransome, H. Ray, D. Rimal, P. A. Rodrigues, D. Ruterbories, H. Schellman, C. J. Solano Salinas, M. Sultana, S. Sanchez Falero, E. Valencia, T. Walton, J. Wolcott, M. Wospakrik, B. Yaeggy

摘要:

我们目前的测量中微子和反中微子的总电荷电流截面的碳和它们的比例使用MINERvA的闪烁跟踪器。测量跨越能量范围2-22 GeV,并使用费米实验室低能NuMI光束的正向和反向喇叭聚焦模式进行,以获得大的中微子和反中微子样品。通量是使用子样本的带电电流事件在低强子能量转移以及精确的较高能量的外部中微子截面数据与我们的能量范围之间的重叠12-22 GeV。我们还报告的反中微子中微子截面比,Rcc,它不依赖于外部归一化信息。我们的比率测量,在相同的实验中使用相同的技术,受益于取消常见的样品系统的不确定性,并达到5%的精度在低能量。在能量范围$E_ν <$ 6 GeV内,我们的反中微子核散射截面和Rcc的结果是迄今为止最精确的.

英文摘要:

We present measurements of the neutrino and antineutrino total charged-current cross sections on carbon and their ratio using the MINERvA scintillator-tracker. The measurements span the energy range 2-22 GeV and were performed using forward and reversed horn focusing modes of the Fermilab low-energy NuMI beam to obtain large neutrino and antineutrino samples. The flux is obtained using a sub-sample of charged-current events at low hadronic energy transfer along with precise higher energy external neutrino cross section data overlapping with our energy range between 12-22 GeV. We also report on the antineutrino-neutrino cross section ratio, Rcc, which does not rely on external normalization information. Our ratio measurement, obtained within the same experiment using the same technique, benefits from the cancellation of common sample systematic uncertainties and reaches a precision of 5% at low energy. Our results for the antineutrino-nucleus scattering cross section and for Rcc are the most precise to date in the energy range $E_ν <$ 6GeV.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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