Neutrino discovery limit of Dark Matter direct detection experiments in the presence of non-standard interactions

被引：54

作者：

Gonzalez-Garcia, M. C. ^{[1
,2
,3
,4
]}

Maltoni, Michele ^{[5
]}

Perez-Gonzalez, Yuber F. ^{[6
,7
,8
]}

Funchal, Renata Zukanovich ^{[6
]}

机构：

[1] Univ Barcelona, Dept Fis Quant & Astrofis, Diagonal 647, E-08028 Barcelona, Spain

[2] Univ Barcelona, Inst Ciencies Cosmos, Diagonal 647, E-08028 Barcelona, Spain

[3] ICREA, Pg Lluis Co 23, Barcelona 08010, Spain

[4] SUNY Stony Brook, CN Yang Inst Theoret Phys, Stony Brook, NY 11794 USA

[5] UAM, CSIC, Inst Fis Teor, Calle Nicolas Cabrera 13-15, E-28049 Madrid, Spain

[6] Univ Sao Paulo, Inst Fis, Dept Fis Matemat, R Matao 1371, BR-05508090 Sao Paulo, Brazil

[7] Univ Estadual Paulista, ICTP South Amer Inst Fundamental Res, Rua Dr Bento T Ferraz 271, BR-01140070 Sao Paulo, Brazil

[8] Univ Estadual Paulista, Inst Fis Teor, Rua Dr Bento T Ferraz 271, BR-01140070 Sao Paulo, Brazil

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2018年 / 07期

基金：

欧盟地平线“2020”; 巴西圣保罗研究基金会;

关键词：

Beyond Standard Model; Neutrino Physics; Solar and Atmospheric Neutrinos; ELECTRON-NEUTRINO; REACTOR; FLUX; OSCILLATIONS; PHYSICS; MODEL;

D O I：

10.1007/JHEP07(2018)019

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The detection of coherent neutrino-nucleus scattering by the COHERENT collaboration has set on quantitative grounds the existence of an irreducible neutrino background in direct detection searches of Weakly Interacting Massive Dark Matter candidates. This background leads to an ultimate discovery limit for these experiments: a minimum Dark Matter interaction cross section below which events produced by the coherent neutrino scattering will mimic the Dark Matter signal, the so-called neutrino floor. In this work we study the modification of such neutrino floor induced by non-standard neutrino interactions within their presently allowed values by the global analysis of oscillation and COHERENT data. By using the full likelihood information of such global analysis we consistently account for the correlated effects of non-standard neutrino interactions both in the neutrino propagation in matter and in its interaction in the detector. We quantify their impact on the neutrino floor for five future experiments: DARWIN (Xe), ARGO (Ar), Super-CDMS HV (Ge and Si) and CRESST phase III (CaWO4). Quantitatively, we find that non-standard neutrino interactions allowed at the 3 sigma level can result in an increase of the neutrino floor of up to a factor similar to 5 with respect to the Standard Model expectations and impact the expected sensitivities of the ARGO, CRESST phase III and DARWIN experiments.

引用

页数：22

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