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New Measurement of the Cosmic-Ray Positron Fraction from 5 to 15 GeV
Open accessAbstract
We present a new measurement of the cosmic-ray positron fraction at energies between 5 and 15 GeV with the balloon-borne HEAT-pbar instrument in the spring of 2000. The data presented here are compatible with our previous measurements, obtained with a different instrument. The combined data from the three HEAT flights indicate a small positron flux of nonstandard origin above 5 GeV. We compare the new measurement with earlier data obtained with the HEAT-e(+/-) instrument, during the opposite epoch of the solar cycle, and conclude that our measurements do not support predictions of charge sign dependent solar modulation of the positron abundance at 5 GeV.
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Citations
Cited by
Cosmic-Ray Propagation and Interactions in the Galaxy
Strong, A. W., Moskalenko, I. V., & Ptuskin, V. S. (2007) · Annual Review of Nuclear and Particle Science · doi:10.1146/annurev.nucl.57.090506.123011 · Cited by 1,161
Aguilar, M., Alberti, G., Alpat, B., Alvino, A., Ambrosi, G., Andeen, K., Anderhub, H., Arruda, L., Azzarello, P., Bachlechner, A., et al. (2013) · Physical Review Letters · doi:10.1103/physrevlett.110.141102 · Cited by 1,047
Science Requirements and Detector Concepts for the Electron-Ion Collider
Abdul Khalek, R., Accardi, A., Adam, J., Adamiak, D., Akers, W., Albaladejo, M., Al-bataineh, A., Alexeev, M. G., Ameli, F., Antonioli, P., et al. (2022) · Nuclear Physics A · doi:10.1016/j.nuclphysa.2022.122447 · Cited by 913
CONSTRAINTS ON COSMIC-RAY PROPAGATION MODELS FROM A GLOBAL BAYESIAN ANALYSIS
Trotta, R., Jóhannesson, G., Moskalenko, I. V., Porter, T. A., Ruiz de Austri, R., & Strong, A. W. (2011) · The Astrophysical Journal · doi:10.1088/0004-637x/729/2/106 · Cited by 332
Cosmic-ray positron fraction measurement from 1 to 30 GeV with AMS-01
Aguilar, M., Alcaraz, J., Allaby, J., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., Arefiev, A., Azzarello, P., Baldini, L., et al. (2007) · Physics Letters B · doi:10.1016/j.physletb.2007.01.024 · Cited by 310
Metadata
- Authors
- Beatty, J. J., Bhattacharyya, A., Bower, C., Coutu, S., DuVernois, M. A., McKee, S., Minnick, S. A., Müller, D., Musser, J., Nutter, S., Labrador, A. W., Schubnell, M., Swordy, S., Tarlé, G., & Tomasch, A.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2004-12-09
- Volume
- 93
- Issue
- 24
- Pages
- 241102-241102
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2055046332
- Cited by
- 218
- References
- 0
- FWCI
- 3.74
- Type
- journal article
- Language
- en
- Open access
- green
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- Beatty, J. J., Bhattacharyya, A., Bower, C., Coutu, S., DuVernois, M. A., McKee, S., Minnick, S. A., Müller, D., Musser, J., Nutter, S., Labrador, A. W., Schubnell, M., Swordy, S., Tarlé, G., & Tomasch, A. (2004). New Measurement of the Cosmic-Ray Positron Fraction from 5 to 15 GeV. Physical Review Letters. https://doi.org/10.1103/physrevlett.93.241102
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