Abstract.
The Λ(1520)-resonance has been recently studied in a unitarized coupled-channel formalism with πΣ(1385), KΞ(1530), ¯N and πΣ as constituents blocks. We provide a theoretical study of the predictions of this model in physical observables of the pp → pK+K-p and pp → pK+π0π0Λ reactions. In particular, we show that the ratio between the π0π0Λ and K-p mass distributions can provide valuable information on the ratio of the couplings of the Λ(1520)-resonance to πΣ(1385) and ¯N than the theory predicts. Calculations are done for energies which are accessible in an experimental facility like COSY at Jülich or the developing CSR facility at Lanzhou.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
N. Kaiser, T. Waas, W. Weise, Nucl. Phys. A 612, 297 (1997).
E. Oset, A. Ramos, Nucl. Phys. A 635, 99 (1998).
U.-G. Meißner, J.A. Oller, Nucl. Phys. A 673, 311 (2000) [arXiv:nucl-th/9912026].
J.A. Oller, U.-G. Meißner, Phys. Lett. B 500, 263 (2001).
C. Garcia-Recio, J. Nieves, E. Ruiz Arriola, M.J. Vicente Vacas, Phys. Rev. D 67, 076009 (2003).
T. Hyodo, A. Hosaka, E. Oset, A. Ramos, M.J. Vicente Vacas, Phys. Rev. C 68, 065203 (2003).
J.A. Oller, E. Oset, A. Ramos, Prog. Part. Nucl. Phys. 45, 157 (2000).
D. Jido, J.A. Oller, E. Oset, A. Ramos, U.-G. Meißner, Nucl. Phys. A 725, 181 (2003).
C. Garcia-Recio, M.F.M. Lutz, J. Nieves, Phys. Lett. B 582, 49 (2004).
Crystall Ball Collaboration (S. Prakhov), Phys. Rev. C 70, 034605 (2004).
D.W. Thomas, A. Engler, H.E. Fisk, R.W. Kraemer, Nucl. Phys. B 56, 15 (1973).
V.K. Magas, E. Oset, A. Ramos, Phys. Rev. Lett. 95, 052301 (2005).
E.E. Kolomeitsev, M.F.M. Lutz, Phys. Lett. B 585, 243 (2004).
S. Sarkar, E. Oset, M.J. Vicente Vacas, Nucl. Phys. A 750, 294 (2005).
T. Nakano, talk at the Pentaquark04 meeting, http://www.rcnp.osaka-u.ac.jp/$\sim$ penta04/.
K.H. Hicks, Prog. Part. Nucl. Phys. 55, 647 (2005).
Particle Data Group (S. Eidelman), Phys. Lett. B 592, 1 (2004).
T.S. Mast, M. Alston-Garnjost, R.O. Bangerter, A. Barbaro-Galtieri, F.T. Solmitz, R.D. Tripp, Phys. Rev. D 7, 5 (1973).
S. Prakhov, Phys. Rev. C 69, 042202 (2004).
S. Sarkar, E. Oset, M.J. Vicente Vacas, Phys. Rev. C 72, 015206 (2005).
L. Roca, S. Sarkar, V.K. Magas, E. Oset, Phys. Rev. C 73, 045208 (2006)
J.A. Oller, E. Oset, Phys. Rev. D 60, 074023 (1999).
E. Jenkins, A.V. Manohar, Phys. Lett. B 259, 353 (1991).
R. Maier, private communication.
I. Zychor, Phys. Rev. Lett. 96, 012002 (2006)
C. Hanhart, Phys. Rep. 397, 155 (2004).
A. Gasparyan, J. Haidenbauer, C. Hanhart, Phys. Rev. C 72, 034006 (2005).
A. Sibirtsev, J. Haidenbauer, H.W. Hammer, S. Krewald, arXiv:nucl-th/0512059.
F. Hinterberger, A. Sibirtsev, Eur. Phys. J. A 21, 313 (2004).
M.A. Preston, R.K. Bhaduri, Structure of the Nucleus (Addison Wesley, 1975) pp. 39-51.
A. Sibirtsev, W. Cassing, Eur. Phys. J. A 7, 407 (2000).
B.L. Druzhinin, A.E. Kudryavtsev, V.E. Tarasov, Z. Phys. A 359, 205 (1997).
C. Hanhart, K. Nakayama, Phys. Lett. B 454, 176 (1999).
S. Weinberg, Phys. Rev. 130, 776 (1963).
V. Baru, Phys. Lett. B 586, 53 (2004) [arXiv:hep-ph/0308129].
E. Oset, A. Ramos, Nucl. Phys. A 679, 616 (2001).
Author information
Authors and Affiliations
Corresponding author
Additional information
Xiangdong Ji
Rights and permissions
About this article
Cite this article
Roca, L., Hanhart, C., Oset, E. et al. Testing the nature of the Λ(1520)-resonance in proton-induced production. Eur. Phys. J. A 27, 373–380 (2006). https://doi.org/10.1140/epja/i2006-10009-9
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1140/epja/i2006-10009-9