1.
Phys Rev Lett
; 98(8): 081101, 2007 Feb 23.
Article
in English
| MEDLINE
| ID: mdl-17359083
ABSTRACT
A new device that we refer to as the spherical superconducting torsion balance has been used to search for a new force coupling mass to intrinsic spin. Our experimental approach also employs a novel spin-source geometry that allows unprecedented sensitivity in the range 100 mum