Cross-sections of High-energy Nuclear Reactions - INSPIRE

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Cross-sections of High-energy Nuclear Reactions

T.F. Hoang
,
Bruce Cork
(
- LBL, Berkeley
)
,
H.J. Crawford
(
- UC, Berkeley, Space Sci. Dept.
)

Oct, 1985

19 pages

Published in:

Z.Phys.C 29 (1985) 611

DOI:

10.1007/BF01560296

Report number:

LBL-17706

reference search32 citations

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Abstract: (Springer)

Cross-sections of high-energy hadron-nucleus reactions σh (A) are investigated using ther optical model. A closed formula is drived for σh (A); itsA-dependence agrees with the rms radius of the Fermi distribution of nuclear matter. The properties of the radius parameter and the absorption mean free pathλh are investigated using Serpukhov data forp, πα,K±, and

\bar p

. It is foundλp=1.44 ± 0.23 fm ∼-1/mπ andλπ=2.14 ± 0.21 fm forp and π-reactions, respectively; withλπ/λp≃3/2 as expected from quark-counting. The approach extended to heavyion (HI) reactions leads to a formula of Bradt-Peters type, with an overlapping parameter decreasing withA. Analyses of HI data of LBL and ISR with this formula are presented.

HADRON NUCLEUS: NUCLEAR REACTION
MODEL: OPTICAL
CROSS SECTION: MASS NUMBER
MASS NUMBER: CROSS SECTION
HADRON: PATH LENGTH
NUCLEUS NUCLEUS: NUCLEAR REACTION
SCATTERING: HEAVY ION
HEAVY ION: SCATTERING
NUCLEAR PROPERTIES
INTERPRETATION OF EXPERIMENTS: NUMERICAL CALCULATIONS

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Figures(0)

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