Cosmic ray lithium isotope measurement with AMS-01

The AMS-01 detector measured charged cosmic rays during 10 days on the Space Shuttle Discovery in 1998 and collected 108 events. By identifying 8349 Lithium and 22709 Carbon nuclei from the raw data, this thesis presents the measurement of cosmic ray Lithium to Carbon ratio of presently highest statistics and momentum resolutions in the rigidity range of 2 GV to 100 GV. The 7Li to 6Li ratio is measured to be 1.07±0.16 in the rigidity region achieved from 2.5 GV to 6.3 GV. The experimental results are used to provide constraints on cosmic ray propagation models and address the "Lithium Problems".

Department dc:contributor.department

Massachusetts Institute of Technology. Dept. of Physics.

Grantor dc:publisher

Massachusetts Institute of Technology

Year dc:date.issued

2009

Author dc:creator

• Zhou, Feng, Ph. D. Massachusetts Institute of Technology

Advisor dc:contributor.advisor

• Ulrich J. Becker.

• Physics.

Statement dc:rights

• M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.

Licence dc:rights.uri

• http://dspace.mit.edu/handle/1721.1/7582

Language dc:language.iso

eng

Handle dc:identifier.uri

http://hdl.handle.net/1721.1/63009

OAI identifier oai:identifier

oai:dspace.mit.edu:1721.1/63009