Open AccessMeasurement of Cosmic-Ray Antiprotons from 3.7 to 19 GeV
Author(s) -
M. Hof,
W. Menn,
C. Pfeifer,
M. Simon,
R. L. Golden,
S. J. Stochaj,
S. A. Stephens,
G. Basini,
M. Ricci,
F. Massimo Brancaccio,
P. Papini,
S. Piccardi,
П. Спиллантини,
M. P. De Pascale,
A. Morselli,
P. Picozza,
Maria Teresa Brunetti,
A. Codino,
C. Grimani,
M. Menichelli,
J. W. Mitchell,
J. F. Ormes,
R. E. Streitmatter
Publication year - 1996
Publication title -
the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.1086/310185
Subject(s) - physics , antiproton , cosmic ray , nuclear physics , calorimeter (particle physics) , scintillator , antimatter , pion , spectrometer , range (aeronautics) , astrophysics , galaxy , proton , astronomy , positron , detector , electron , optics , materials science , composite material
The antiproton-to-proton ratio,p ¯/p, in cosmic rays has been measured in the energy range 3.7‐19 GeV. This measurement was carried out using a balloon-borne superconducting magnetic spectrometer along with a gas Cerenkov counter, an imaging calorimeter, and a time-of-flight scintillator system. The measuredp ¯/p ratio was
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