Measurements of the cosmic-ray positron fraction from 1 to 50 geV

Astrophysical Journal Letters

Volumn 482, Issue 2, 1997, Pages L191-L194

  Barwick, S W ^a   Beatty, J J ^b   Bhattacharyya, A ^c   Bower, C R ^c   Chaput, C J ^d   Coutu, S ^d   De Nolfo, G A ^b,e   Knapp, J ^f   Lowder, D M ^g   McKee, S ^d   Muller, D ^h   Musser, J A ^c   Nutter, S L ⁱ   Schneider, E ^a   Swordy, S P ^h   Tarle, G ^d   Tomasch, A D ^d   Torbet, E ^h  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b PENNSYLVANIA STATE UNIVERSITY   (United States)

^c INDIANA UNIVERSITY   (United States)

^d UNIVERSITY OF MICHIGAN   (United States)

^e WASHINGTON UNIVERSITY   (United States)

^f UNIVERSITY OF KARLSRUHE   (Germany)

^g UNIVERSITY OF CALIFORNIA   (United States)

^h UNIVERSITY OF CHICAGO   (United States)

ⁱ EASTERN NEW MEXICO UNIVERSITY   (United States)

Author keywords

Cosmic rays; Elementary particles; Instrumentation: detectors; ISM: abundances

Indexed keywords

EID: 0001302797     PISSN: 20418205     EISSN: 20418213     Source Type: Journal    
DOI: 10.1086/310706/pdf     Document Type: Article

References (19)

1. Agrinier, B., et al. 1969, Lett. Nuovo Cimento, 1, 53
2. Barbiellini, G., et al. 1996, A&A, 309, L15
3. Barwick, S. W., et al. 1995, Phys. Rev. Lett., 75, 360
4. Barwick, S. W., et al. 1997, Nucl. Instrum. Methods Phys. Res., submitted
5. Buffington, A., Orth, C. D., & Smoot, G. F. 1975, ApJ, 199, 669
6. Clem, J. M., Clements, D. P., Esposito, J., Evenson, P., Huber, D., L'Heureux, J., Meyer, P., & Constantin, C. 1996, ApJ, 464, 507
7. Daugherty, J. K., Hartman, R. C., & Schmidt, P. J. 1975, ApJ, 198, 493
8. Fanselow, J. L., Hartman, R. C., Hildebrand, R. H., & Meyer, P. 1969, ApJ, 158, 771
9. Fasso, A., Ferrari, A., Ranft, J., & Sala, P. R. 1993, in Proc. 4th Int. Conf. on Calorimetry in High Energy Physics, ed. A. Menzione & A. Scribano (Singapore: World Sci.), 493
10. Giani, S., et al. 1994, GEANT: Detector Description and Simulation Tool (CERN Program Libr. Long Write-up W5013) (version 3.21; Geneva: CERN)
11. Golden, R. L., et al. 1994, ApJ, 436, 769
12. Golden, R. L., Mauger, B. G., Horan, S., Stephens, S. A., Daniel, R. R., Badhwar, G. D., Lacy, J. L., & Zipse, J. E. 1987, A&A, 188, 145
13. Golden, R. L., et al. 1996, ApJ, 457, L103
14. Hartman, R. C., & Pellerin, C. J. 1976, ApJ, 204, 927
15. Hof, M., et al. 1995, Proc. 24th Int. Cosmic-Ray Conf. (Rome), 3, 1
16. Kamionkowski, M., & Turner, M. S. 1991, Phys. Rev. D, 43, 1774
17. Moraal, H., Jokipii, J. R., & Mewaldt, R. A. 1991, ApJ, 367, 191
18. Muller, D., & Tang, K. 1987, ApJ, 312, 183
19. Protheroe, R. J. 1982, ApJ, 254, 391