Investigation on light dark matter

被引：88

作者：

Bernabei, R. ^{[1
,2
]}

Belli, P. ^{[2
]}

Cappella, F. ^{[3
,4
]}

Cerulli, R. ^{[5
]}

Dai, C. J. ^{[6
]}

He, H. L. ^{[6
]}

Incicchitti, A. ^{[4
]}

Kuang, H. H. ^{[6
]}

Ma, J. M. ^{[6
]}

Ma, X. H. ^{[6
]}

Montecchia, F. ^{[1
,2
]}

Nozzoli, F. ^{[1
,2
]}

Prosperi, D. ^{[3
,4
]}

Sheng, X. D. ^{[6
]}

Ye, Z. P. ^{[6
]}

Wang, R. G. ^{[6
]}

Zhang, Y. J. ^{[6
]}

机构：

[1] Univ Roma Tor Vergata, Dip Fis, I-00133 Rome, Italy

[2] Ist Nazl Fis Nucl, Sez Roma, I-00133 Rome, Italy

[3] Univ Roma La Sapienza, Dip Fis, I-00185 Rome, Italy

[4] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[5] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Assergi, Italy

[6] Chinese Acad, IHEP, Beijing 100039, Peoples R China

来源：

MODERN PHYSICS LETTERS A | 2008年 / 23卷 / 26期

关键词：

light dark matter; underground physics;

D O I：

10.1142/S0217732308027473

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Some extensions of the Standard Model provide Dark Matter candidate particles with sub-GeV mass. These Light Dark Matter particles have been considered for example in Warm Dark Matter scenarios (e.g. the keV scale sterile neutrino, axino or gravitino). Moreover, MeV scale DM candidates have been proposed in supersymmetric models and as source of the 511 keV line from the Galactic center. In this paper the possibility of direct detection of a Light Dark Matter candidate is investigated considering the inelastic scattering processes on the electron or on the nucleus targets. Some theoretical arguments are developed and related phenomenological aspects are discussed. Allowed volumes and regions for the characteristic phenomenological parameters of the considered scenarios are derived from the DAMA/NaI annual modulation data.

引用

页码：2125 / 2140

页数：16

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