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Subthreshold K+ production in deuteron and alpha induced nuclear reactions | | M. Debowski
; P. Senger
; M. Boivin
; Y. LeBornec
; P. Courtat
; R. Gacougnolle
; E. Grosse
; S. Kabana
; T. Kirchner
; P. Koczon
; M. Mang
; E. Schwab
; B. Tatischeff
; A. Wagner
; W. Walus
; N. Willis
; G. Wolf
; R. Wurzinger
; J. Yonnet
; | | Date: |
10 Sep 1997 | | Subject: | nucl-ex | | Affiliation: | 1 and 6), P. Senger , M. Boivin , Y. LeBornec , P. Courtat , R. Gacougnolle , E. Grosse (1 and 4), S. Kabana , T. Kirchner , P. Koczon , M. Mang , E. Schwab , B. Tatischeff , A. Wagner , W. Walus , N. Willis , G. Wolf , R. Wurzinger , J. Yonnet ( GSI | | Abstract: | Double differential cross sections have been measured for pi+ and K+ emitted around midraidity in d+A and He+A collisions at a beam kinetic energy of 1.15 GeV/nucleon. The total pi+ yield increases by a factor of about 2 when using an alpha projectile instead of a deuteron whereas the K+ yield increases by a factor of about 4. According to transport calculations, the K+ enhancement depends both on the number of hadron-hadron collisions and on the energy available in those collisions: their center-of-mass energy increases with increasing number of projectile nucleons. | | Source: | arXiv, nucl-ex/9709002 | | Services: | Forum | Review | PDF | Favorites | |
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