Newtorites in bar detectors of gravitational wave

14th International Conference on Topics in Astroparticle and Underground Physics

物理学;天文学

Ronga, F.^1

INFN Laboratori Nazionali di Frascati Via Fermi, Frascati

I 00044, Italy^1

关键词: Bar detectors;    Dark matter;    Dark matter searches;    Gravitational interaction;    Macro-particles;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/718/7/072006/pdf
DOI  :  10.1088/1742-6596/718/7/072006

学科分类：天文学(综合)

来源: IOP

【 摘 要 】

The detection of particles with only gravitational interactions (Newtorites) in gravitational bar detectors was studied in 1984 by Bernard, De Rujula and Lautrup. The negative results of dark matter searches suggest to look to exotic possibilities like Newtorites. The limits obtained with the Nautilus bar detector will be presented and the possible improvements will be discussed. Since the gravitational coupling is very weak, the possible limits are very far from what is needed for dark matter, but for large masses are the best limits obtained on the Earth. An update of limits for MACRO particles will be given.