Double Penning Trap System (IMAGE)
Caption
Double Penning trap system for measuring the g-factor of the proton: the gold-plated cylindrical trap electrodes are isolated using sapphire rings. The approximately 20 centimeters tall structure is located within a superconducting magnet in an ultrahigh vacuum near absolute zero.
Credit
photo/©: Georg Schneider
Usage Restrictions
This image may only be used in connection with the press release "New proton record: Researchers measure magnetic moment with greatest possible precision", issued by Johannes Gutenberg University Mainz on November 27, 2017.
License
Licensed content