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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Antiprotons at solar maximum
Physical Review Letters, Volume 83, No. 4, Year 1999
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Description
New measurements with good statistics will make it possible to observe the time variation of cosmic antiprotons at 1 AU through the approaching peak of solar activity. We report a new computation of the interstellar antiproton spectrum expected from collisions between cosmic protons and the interstellar gas. This spectrum is then used as input to a steady-state drift model of solar modulation, in order to provide predictions for the antiproton spectrum as well as the antiproton/proton ratio at 1 AU. Our model predicts a surprisingly large, rapid increase in the antiproton/proton ratio through the next solar maximum, followed by a large excursion in the ratio during the following decade. © 1999 The American Physical Society.
Authors & Co-Authors
Bieber, John William
United States, Newark
The Bartol Research Institute
South Africa, Potchefstroom
North-west University
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Burger, R. Adri
United States, Newark
The Bartol Research Institute
South Africa, Potchefstroom
North-west University
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Engel, Ralph
United States, Newark
The Bartol Research Institute
South Africa, Potchefstroom
North-west University
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Gaisser, Thomas K.
United States, Newark
The Bartol Research Institute
South Africa, Potchefstroom
North-west University
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Roesler, Stefan
United States, Newark
The Bartol Research Institute
South Africa, Potchefstroom
North-west University
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Stanev, Todor S.
United States, Newark
The Bartol Research Institute
South Africa, Potchefstroom
North-west University
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Statistics
Citations: 67
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1103/PhysRevLett.83.674
ISSN:
00319007
e-ISSN:
10797114