A Dependence of the gamma and p-induced production of the Lambda(1520) from nuclei - INSPIRE

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A Dependence of the gamma and p-induced production of the Lambda(1520) from nuclei

M. Kaskulov
(
- Valencia U. and
- Valencia U., IFIC
)
,
L. Roca
(
- Murcia U.
)
,
E. Oset
(
- Valencia U. and
- Valencia U., IFIC
)

Jan, 2006

14 pages

Published in:

Eur.Phys.J.A 28 (2006) 139-145

e-Print:

nucl-th/0601074 [nucl-th]

DOI:

10.1140/epja/i2006-10052-6

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Abstract:

Using results of a recent calculation of the

\Lambda(1520)

in the nuclear medium, which show that the medium width is about five times the free width, we study the A dependence of the

\Lambda(1520)

production cross section in the reactions

\gamma ~A \to K^+ \Lambda(1520) A^\prime

and

p~ A \to p~ K^+ \Lambda(1520) A^\prime

. We find a sizable A dependence in the ratio of the nuclear cross sections for heavy nuclei with respect to a light one due to the large value of the

\Lambda(1520)

width in the medium, showing that devoted experiments, easily within reach in present facilities, can provide good information on that magnitude by measuring the cross sections studied here.

photon nucleus: nuclear reaction
Lambda(1520): photoproduction
p nucleus: nuclear reaction
Lambda(1520): hadroproduction
nuclear matter: effect
channel cross section: ratio
dependence: mass number
Lambda(1520): hadronic decay
Lambda(1520): decay modes
Lambda(1520): width

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