Ξ∗ photoproduction from threshold to W=3.3 GeV

CLAS Collaboration

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The doubly strange Ξ baryons provide an effective way to study a puzzle called the missing-baryons problem where both quark models and lattice gauge theory predict more baryon excited states than are seen experimentally. However, few of these excited states have been observed with any certainty. Here, high-mass Ξ∗ states have been searched for in photoproduction with the detector of the CLAS Collaboration, and upper limits for the total cross sections have been established from threshold to W=3.3GeV. In addition, the total cross sections of the ground-state Ξ-(1320) and first excited state Ξ-(1530) are presented, extending significantly the center-of-mass energy range of previous data.

Original languageEnglish (US)
Article number062201
JournalPhysical Review C
Volume98
Issue number6
DOIs
StatePublished - Dec 27 2018

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photoproduction
baryons
thresholds
excitation
cross sections
quark models
center of mass
gauge theory
ground state
detectors
energy

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Ξ∗ photoproduction from threshold to W=3.3 GeV. / CLAS Collaboration.

In: Physical Review C, Vol. 98, No. 6, 062201, 27.12.2018.

Research output: Contribution to journalArticle

CLAS Collaboration. / Ξ∗ photoproduction from threshold to W=3.3 GeV. In: Physical Review C. 2018 ; Vol. 98, No. 6.
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title = "Ξ∗ photoproduction from threshold to W=3.3 GeV",
abstract = "The doubly strange Ξ baryons provide an effective way to study a puzzle called the missing-baryons problem where both quark models and lattice gauge theory predict more baryon excited states than are seen experimentally. However, few of these excited states have been observed with any certainty. Here, high-mass Ξ∗ states have been searched for in photoproduction with the detector of the CLAS Collaboration, and upper limits for the total cross sections have been established from threshold to W=3.3GeV. In addition, the total cross sections of the ground-state Ξ-(1320) and first excited state Ξ-(1530) are presented, extending significantly the center-of-mass energy range of previous data.",
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AU - Hicks, K.

AU - Kunkel, M. C.

AU - Price, J. W.

AU - Weygand, D. P.

AU - Adhikari, S.

AU - Anefalos Pereira, S.

AU - Battaglieri, M.

AU - Bedlinskiy, I.

AU - Biselli, A. S.

AU - Boiarinov, S.

AU - Bookwalter, C.

AU - Briscoe, W. J.

AU - Brooks, W. K.

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AU - Cao, F.

AU - Carman, D. S.

AU - Celentano, A.

AU - Chandavar, S.

AU - Chatagnon, P.

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AU - Ciullo, G.

AU - Cole, P. L.

AU - Contalbrigo, M.

AU - Crede, V.

AU - D'Angelo, A.

AU - Dashyan, N.

AU - De Vita, R.

AU - Defurne, M.

AU - Deur, A.

AU - Diehl, S.

AU - Djalali, C.

AU - Dugger, Michael

AU - Dupre, R.

AU - Egiyan, H.

AU - Ehrhart, M.

AU - El Alaoui, A.

AU - El Fassi, L.

AU - Elouadrhiri, L.

AU - Eugenio, P.

AU - Fedotov, G.

AU - Filippi, A.

AU - Gevorgyan, N.

AU - Ghandilyan, Y.

AU - Girod, F. X.

AU - Glazier, D. I.

AU - Golovatch, E.

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AU - Griffioen, K. A.

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AB - The doubly strange Ξ baryons provide an effective way to study a puzzle called the missing-baryons problem where both quark models and lattice gauge theory predict more baryon excited states than are seen experimentally. However, few of these excited states have been observed with any certainty. Here, high-mass Ξ∗ states have been searched for in photoproduction with the detector of the CLAS Collaboration, and upper limits for the total cross sections have been established from threshold to W=3.3GeV. In addition, the total cross sections of the ground-state Ξ-(1320) and first excited state Ξ-(1530) are presented, extending significantly the center-of-mass energy range of previous data.

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