DAMA annual modulation and mirror Dark Matter

被引：50
|
作者：
Cerulli, R. [1 ]
Villar, P. [2 ,3 ]
Cappella, F. [1 ]
Bernabei, R. [4 ,5 ]
Belli, P. [4 ,5 ]
Incicchitti, A. [6 ,7 ]
Addazi, A. [1 ,8 ]
Berezhiani, Z. [1 ,8 ]
机构：
[1] INFN, Lab Nazl Gran Sasso, I-67010 Assergi, AQ, Italy
[2] Univ Zaragoza, Lab Fis Nucl & Astroparticulas, C Pedro Cerbuna 12, Zaragoza 50009, Spain
[3] Lab Subterraneo Canfranc, Paseo Ayerbe Sn, Canfranc Estn 22880, Huesca, Spain
[4] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy
[5] INFN Tor Vergata, I-00133 Rome, Italy
[6] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[7] INFN Roma, I-00185 Rome, Italy
[8] Univ Aquila, Dipartimento Sci Fis & Chim, I-67100 Coppito, AQ, Italy
来源：
EUROPEAN PHYSICAL JOURNAL C | 2017年 / 77卷 / 02期
关键词：
MODEL-INDEPENDENT RESULT; NON-PAULIAN TRANSITIONS; NAI(TL) SET-UP; UNIFIED PICTURE; NO ROLE; SEARCH; WORLD; PHYSICS; NUCLEOSYNTHESIS; DAMA/LIBRA;
D O I：
10.1140/epjc/s10052-017-4658-3
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 DAMA experiment using ultra low background NaI(Tl) crystal scintillators has measured an annual modulation effect in the keV region which satisfies all the peculiarities of an effect induced by Dark Matter particles. In this paper we analyze this annual modulation effect in terms of mirror Dark Matter, an exact duplicate of ordinary matter from parallel hidden sector, which chemical composition is dominated by mirror helium while it can also contain significant fractions of heavier elements as Carbon and Oxygen. Dark mirror atoms are considered to interact with the target nuclei in the detector via Rutherford-like scattering induced by kinetic mixing between mirror and ordinary photons, both being massless. In the present analysis we consider various possible scenarios for the mirror matter chemical composition. For all the scenarios, the relevant ranges for the kinetic mixing parameter have been obtained taking also into account various existing uncertainties in nuclear and particle physics quantities.
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页数：20
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