|
Search over 100 encyclopedias and dictionaries: |
Research categories | Follow us on Twitter |
Research categories
View all topics in the newsView all reference sources at Encyclopedia.com |
|||
r-process
r-process A type of nuclear reaction proposed to explain the formation of elements heavier than bismuth, and certain neutron-rich isotopes of elements heavier than iron. These elements are produced by reactions initiated by the strong flux of neutrons from supernovae. The flux is so strong that unstable nuclei formed by the absorption of a neutron do not have time to decay before another neutron is absorbed, so that chains of reactions involving highly unstable nuclei can take place. The r-process is so named because it is rapid.
|
|
|
Cite this article
"r-process." A Dictionary of Astronomy. 1997. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>. "r-process." A Dictionary of Astronomy. 1997. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O80-rprocess.html "r-process." A Dictionary of Astronomy. 1997. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O80-rprocess.html |
|
r-process
r-process See RAPID-NEUTRON PROCESS.
|
|
|
Cite this article
AILSA ALLABY and MICHAEL ALLABY. "r-process." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "r-process." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O13-rprocess.html AILSA ALLABY and MICHAEL ALLABY. "r-process." A Dictionary of Earth Sciences. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-rprocess.html |
|
Search over 100 encyclopedias and dictionaries:
HighBeam™ Research, Inc. © Copyright 2012. All rights reserved.
The Encyclopedia.com advertising network includes:
