Pion-induced reactions for charmed baryons

Kim, Sang-Ho (Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047, Japan) ; Hosaka, Atsushi (Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047, Japan) (J-PARC Branch, KEK Theory Center, Institute of Particle and Nuclear Studies, KEK, Tokai, Ibaraki 319-1106, Japan) ; Kim, Hyun-Chul (Department of Physics, Inha University, Incheon 402-751, Republic of Korea) ; Noumi, Hiroyuki (Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047, Japan) ; Shirotori, Kotaro (Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047, Japan)

07 October 2014

Abstract: We study pion-induced binary reactions for charmed baryons where is a charmed baryon of ground or excited state. First we estimate charm production rates in comparison with strangeness production using a Regge model, which is dominated by vector ( or ) Reggeon exchange. Then we examine the production rates of various charmed baryons in a quark–diquark model. We find that the production of excited states is not necessarily suppressed, a sharp contrast to strangeness production, which is a unique feature of the charm production with a large momentum transfer.


Published in: PTEP 2014 (2014) 103D01
Published by: Oxford University Press/Physical Society of Japan
DOI: 10.1093/ptep/ptu131
arXiv: 1405.3445
License: CC-BY-3.0



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