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Gamma/hadron separation study for the HAWC detector on the basis of the multidimensional feature space using non parametric approach

机译：基于非特征方法的多维特征空间的HAWC检测器的伽玛/强子分离研究

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摘要

The High Altitude Water Cherenkov (HAWC) is a high duty cycle, wide field of view gamma-ray observatory that will be located in Mexico at an elevation of 4100m (lat. 19 and long. 97). The gamma/hadron separation study is performed on the base of the non parametric methods for different probability density estimators, using a multidimensional feature space. Data from full detector simulations of the HAWC observatory are used to estimate the features. The gamma/hadron separation study is performed using different methods of multivariate analysis. A study of sensitive parameters for gamma/hadron separation versus signal efficiency, obtained by the use of different cuts on the classifier outputs, is presented. The results show a significant reduction of the background contamination in the region of high signal efficiency uaing multivariate analysis, compared to the default procedure proposed for HAWC.

机译：高海拔水切伦科夫（HAWC）是一个高占空比，宽视场的伽玛射线天文台，它将位于墨西哥，海拔4100m（第19条和第97条较长）。使用多维特征空间，针对不同的概率密度估计量，在非参数方法的基础上进行了伽马/强子分离研究。来自HAWC天文台的完整探测器模拟数据用于估计特征。伽马/强子分离研究是使用不同的多元分析方法进行的。提出了通过对分类器输出进行不同切割而获得的，针对伽玛/强子分离相对于信号效率的敏感参数的研究。结果表明，与针对HAWC提出的默认程序相比，通过多变量分析，可以在高信号效率区域显着减少背景污染。

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来源
《International Cosmic Ray Conference》|2011年|1-4|共4页
会议地点 Beijing(CN)
作者
V. GRABSKI; L. NELLEN; A. CHILINGARIAN; A. VARDANIAN;
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作者单位

Instituto de Fsica UNAM Mexico;

Instituto de Ciencias Nucleares UNAM;

Alikhanyan National Science Laboratory Armenia;

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关键词
HAWC; gamma ray observatory; hadron rejection; neural networks;

机译：HAWC；伽玛射线天文台强子排斥神经网络;

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专利

1. COMBINATORIAL ALGORITHM FOR CONSTRUCTING A PARAMETRIC FEATURE SPACE FOR THE CLASSIFICATION OF MULTIDIMENSIONAL MODELS [J] . G. V. Knyshov, Ie. A. Nastenko, N. V. Kondrashova, Cybernetics and Systems Analysis . 2014,第4期

机译：构造用于多维模型分类的参数特征空间的组合算法
2. FemtoDAQ: A Low-Cost Digitizer for SiPM-Based Detector Studies and Its Application to the HAWC Detector Upgrade [J] . Wojtek Skulski, Andreas Ruben, Segev BenZvi IEEE Transactions on Nuclear Science . 2017,第7期

机译：FemtoDAQ：一种低成本的数字化仪，用于基于SiPM的探测器研究及其在HAWC探测器升级中的应用
3. Features of scintillation characteristics of CsI:Na and NaI:Tl crystals as the basis for soft gamma radiation detectors [J] . I.V. Kilimchuk, V.P. Gavrilyuk, B.V. Grinyov, Optical Materials . 2008,第12期

机译：CsI：Na和NaI：Tl晶体的闪烁特性作为软伽马射线探测器的基础
4. Gamma/hadron separation study for the HAWC detector on the basis of the multidimensional feature space using non parametric approach [C] . V. GRABSKI, L. NELLEN, A. CHILINGARIAN, International Cosmic Ray Conference . 2011

机译：使用非参数方法基于多维特征空间的HAWC检测器的Gamma / Holron分离研究
5. A study of nuclear effects using forward-rapidity hadron production and di-hadron angular correlations in square root of S(NN) = 200 GeV deuteron-gold and proton-proton collisions with the PHENIX detector at RHIC. [D] . Meredith, Beau Anthony. 2011

机译：使用前向强子产生和双强子在S（NN）= 200 GeV氘-金和质子-质子碰撞的平方根与RHIC的质子-质子碰撞进行核效应的研究。
6. A study on separation of the protein structural types in amino acid sequence feature spaces [O] . Xiaogeng Wan, Xinying Tan 2019

机译：氨基酸序列特征空间中蛋白质结构类型分离的研究
7. New gamma/hadron separation parameters for a neural network for HAWC [O] . Tomás Capistrán Rojas, Etienne Bourbeau, Ibrahim Daniel Torres Aguilar, 2017

机译：用于HAWC的神经网络的新伽马/强子分离参数

Gamma/hadron separation study for the HAWC detector on the basis of the multidimensional feature space using non parametric approach

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