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

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). -->
Jazyk: English
Přístupová URL adresa: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0689669951805292769d6b6861112fe3
https://doi.org/10.1103/physrevlett.86.4243
Rights: OPEN
Přírůstkové číslo: edsair.dedup.wf.001..0689669951805292769d6b6861112fe3
Autor: Alexander, J, Baker, R, Bebek, C, Berger, B, Berkelman, K, Boisvert, V, Cassel, D, Crowcroft, D, Dickson, M, von Dombrowski, S, Drell, P, Ecklund, K, Ehrlich, R, Foland, A, Gaidarev, P, Gibbons, L, Gittelman, B, Gray, S, Hartill, D, Heltsley, B, Hopman, P, Kreinick, D, Lee, T, Liu, Y, Meyer, T
Jazyk: angličtina
Rok vydání: 2016
Popis: 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).
Databáze: OpenAIRE
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