PMID: 11328145May 1, 2001Paper

Evidence of New States Decaying into Xi(*)(c)pi

Physical Review Letters
S E CsornaA H Mahmood

Abstract

Using 13.7 fb(-1) of data recorded by the CLEO detector at Cornell Electron Storage Ring, we report evidence of two new charmed baryons: one decaying into Xi(0')(c)pi(+) with the subsequent decay Xi(0')(c)-->Xi(0)(c)gamma, and its isospin partner decaying into Xi(+')(c)pi(-) followed by Xi(+')(c)-->Xi(+)(c)gamma. We measure the following mass differences for the two states: M(Xi(0)(c)gammapi(+))-M(Xi(0)(c)) = 318.2+/-1.3+/-2.9 MeV and M(Xi(+)(c)gammapi(-))-M(Xi(+)(c)) = 324.0+/-1.3+/-3.0 MeV. We interpret these new states as the J(P) = 1 / 2(-) Xi(c1) particles, the charmed-strange analogs of the Lambda(+)(c1)(2593).

References

Mar 4, 1991·Physical Review Letters·N Isgur, M B Wise
Dec 11, 1995·Physical Review Letters·P AveryR Fulton
Jul 29, 1996·Physical Review Letters·L GibbonsR Kutschke

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Citations

Mar 3, 2017·Reports on Progress in Physics·Hua-Xing ChenShi-Lin Zhu
Jun 22, 2013·Reports on Progress in Physics·V Crede, W Roberts
Sep 26, 2012·Physical Review Letters·S ChatrchyanUNKNOWN CMS Collaboration
Dec 13, 2006·Physical Review Letters·R ChistovUNKNOWN Belle Collaboration

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