Measurement of the ¯p/p ratio in the few-TeV energy range with ARGO-YBJ
- Aielli G
- Bacci C
- Bartoli B
- Bernardini P
- Bi XJ
- Bleve C
- Branchini P
- Budano A
- Calabrese Melcarne AK
- Camarri P
- Cao Z
- Cappa A
- Cardarelli R
- Catalanotti S
- Cattaneo C
- Celio P
- Chen SZ
- Chen TL
- Chen Y
- Cheng N
- Creti P
- Cui SW
- Dai BZ
- D'Ali Staiti G
- Danzengluobu
- Dattoli M
- De Mitri I
- D'Ettorre Piazzoli B
- Di Girolamo T
- Ding XH
- Di Sciascio G
- Feng CF
- Feng Zhao Yang
- Feng Zhen Yong
- Galeazzi F
- Galeotti P
- Gargana R
- Gou QB
- Guo YQ
- He HH
- Hu Haibing
- Hu Hong Bo
- Huang Q
- Iacovacci M
- Iuppa R
- James I
- Jia HY
- Labaciren
- Li HJ
- Li JY
- Li XX
- Liberti B
- Liguori G
- Liu C
- Liu CQ
- Liu MY
- Liu J
- Lu H
- Ma XH
- Mancarella G
- Marsella G
- Martello D
- Mastroianni S
- Meng XR
- Montini P
- Ning CC
- Pagliaro A
- Panareo M
- Perrone L
- Pistilli P
- Qu XB
- Rossi E
- Ruggieri F
- Saggese L
- Salvini P
- Santonico R
- Shen PR
- Sheng XD
- Shi F
- Stanescu C
- Surdo A
- Tan YH
- Vallania P
- Vernetto S
- Vigorito C
- Wang B
- Wang H
- Wu CY
- Wu HR
- Xu B
- Xue L
- Yan YX
- Yang QY
- Yang XC
- Yuan AF
- Zha M
- Zhang HM
- Zhang Ji Long
- Zhang Jian Li
- Zhang L
- Zhang P
- Zhang XY
- Zhang Y
- Zhaxisangzhu
- Zhou XX
- Zhu FR
- Zhu QQ
- Zizzi G.
- BUSSINO, Severino Angelo Maria
- DE VINCENZI, Mario
- MARI, Stefano Maria
DOIAbstract
"Cosmic ray antiprotons provide an important probe for the study of cosmic ray propagation in the interstellar. space and to investigate the existence of Galactic dark matter. The ARGO-YBJ experiment is observing the. Moon shadow with high statistical significance at an energy threshold of a few hundred GeV. Using all the data. collected until November 2009, we set two upper limits on the ¯p\/p flux ratio: 5% at an energy of 1.4 TeV and 6%. at 5 TeV with a confidence level of 90%. In the few-TeV range the ARGO-YBJ results are the lowest available,. useful to constrain models for antiproton production in antimatter domains.
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