First result from the Alpha Magnetic Spectrometer on the International Space Station: precision measurement of the positron fraction in primary cosmic rays of 0.5-350 GeV.

M, Aguilar; G, Alberti; B, Alpat; B, Alpat; A, Alvino; G, Ambrosi; K, Andeen; H, Anderhub; L, Arruda; P, Azzarello; A, Bachlechner; F, Barao; B, Baret; A, Barrau; L, Barrin; A, Bartoloni; L, Basara; A, Basili; L, Batalha; J, Bates; R, Battiston; J, Bazo; R, Becker; U, Becker; M, Behlmann; B, Beischer; J, Berdugo; P, Berges; B, Bertucci; G, Bigongiari; A, Biland; V, Bindi; S, Bizzaglia; G, Boella; Boer W, de; K, Bollweg; J, Bolmont; B, Borgia; S, Borsini; MJ, Boschini; G, Boudoul; M, Bourquin; P, Brun; M, Buénerd; J, Burger; W, Burger; F, Cadoux; XD, Cai; M, Capell; D, Casadei; J, Casaus; V, Cascioli; G, Castellini; I, Cernuda; F, Cervelli; MJ, Chae; YH, Chang; AI, Chen; CR, Chen; H, Chen; GM, Cheng; HS, Chen; L, Cheng; N, Chernoplyiokov; A, Chikanian; E, Choumilov; V, Choutko; CH, Chung; C, Clark; R, Clavero; G, Coignet; V, Commichau; C, Consolandi; A, Contin; C, Corti; Dios MT, Costado; B, Coste; D, Crespo; Z, Cui; M, Dai; C, Delgado; Torre S, Della; B, Demirkoz; P, Dennett; L, Derome; Falco S, Di; XH, Diao; A, Diago; L, Djambazov; C, Díaz; Doetinchem P, von; WJ, Du; JM, Dubois; R, Duperay; M, Duranti; D, D'Urso; A, Egorov; A, Eline; FJ, Eppling; T, Eronen; Es J, van; H, Esser; A, Falvard; E, Fiandrini; A, Fiasson; E, Finch; P, Fisher; K, Flood; R, Foglio; M, Fohey; S, Fopp; N, Fouque; Y, Galaktionov; M, Gallilee; L, Gallin-Martel; G, Gallucci; B, García; J, García; R, García-López; L, García-Tabares; C, Gargiulo; H, Gast; I, Gebauer; S, Gentile; M, Gervasi; W, Gillard; F, Giovacchini; L, Girard; P, Goglov; J, Gong; C, Goy-Henningsen; D, Grandi; M, Graziani; A, Grechko; A, Gross; I, Guerri; la Guía C, de; KH, Guo; M, Habiby; S, Haino; F, Hauler; ZH, He; M, Heil; J, Heilig; R, Hermel; H, Hofer; ZC, Huang; W, Hungerford; M, Incagli; M, Ionica; A, Jacholkowska; WY, Jang; H, Jinchi; M, Jongmanns; L, Journet; L, Jungermann; W, Karpinski; GN, Kim; KS, Kim; T, Kirn; R, Kossakowski; A, Koulemzine; O, Kounina; A, Kounine; V, Koutsenko; MS, Krafczyk; E, Laudi; G, Laurenti; C, Lauritzen; A, Lebedev; MW, Lee; SC, Lee; C, Leluc; Vargas H, León; V, Lepareur; JQ, Li; Q, Li; TX, Li; W, Li; ZH, Li; P, Lipari; CH, Lin; D, Liu; H, Liu; T, Lomtadze; YS, Lu; S, Lucidi; K, Lübelsmeyer; JZ, Luo; W, Lustermann; S, Lv; J, Madsen; R, Majka; A, Malinin; C, Mañá; J, Marín; T, Martin; G, Martínez; F, Masciocchi; N, Masi

doi:10.1103/physrevlett.110.141102

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First result from the Alpha Magnetic Spectrometer on the International Space Station: precision measurement of the positron fraction in primary cosmic rays of 0.5-350 GeV.

Shared by NobleBlocks on Apr 3, 2013 • 12:00 AM UTC

Authors:

Aguilar M

Alberti G

Alpat B

Abstract

A precision measurement by the Alpha Magnetic Spectrometer on the International Space Station of the positron fraction in primary cosmic rays in the energy range from 0.5 to 350 GeV based on 6.8 × 10(6) positron and electron events is presented. The very accurate data show that the positron fraction...

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