First observation of the doubly charmed baryon Xi(+)(cc)

Mattson, M.; Alkhazov, G.; Atamantchouk, A. G.; Balatz, M. Y.; Bondar, N. F.; Cooper, P. S.; Dauwe, L. J.; Davidenko, G. V.; Dersch, U.; Dolgolenko, A. G.; Dzyubenko, G. B.; Edelstein, R.; Emediato, L.; Endler, A. M. F.; Engelfried, J.; Eschrich, I.; Escobar, C. O.; Evdokimov, A. V.; Filimonov, I. S.; Garcia, F. G.; Gaspero, M.; Giller, I.; Golovtsov, V. L.; Gouffon, P.; Gulmez, E.; He, K. L.; Iori, M.; Jun, S. Y.; Kaya, M.; Kilmer, J.; Kim, V. T.; Kochenda, L. M.; Konorov, I.; Kozhevnikov, A. P.; Krivshich, A. G.; Kruger, H.; Kubantsev, M. A.; Kubarovsky, V. P.; Kulyavtsev, A. I.; Kuropatkin, N. P.; Kurshetsov, V. F.; Kushnirenko, A.; Kwan, S.; Lach, J.; Lamberto, A.; Landsberg, L. G.; Larin, I.; Leikin, E. M.; Yunshan, L.; Luksys, M.; Lungov, T.; Maleev, V. P.; Mao, D.; Mao, C. S.; Mao, Z. L.; Mathew, P.; Matveev, V.; McCliment, E.; Moinester, M. A.; Molchanov, V. V.; Morelos, A.; Nelson, K. D.; Nemitkin, A. V.; Neoustroev, P. V.; Newsom, C.; Nilov, A. P.; Nurushev, S. B.; Ocherashvili, A.; Oliveira, E.; Onel, Y.; Ozel, E.; Ozkorucuklu, S.; Penzo, A.; Petrenko, S. V.; Pogodin, P.; Procario, M.; Prutskoi, V. A.; Ramberg, E.; Rappazzo, G. F.; Razmyslovich, B. V.; Rud, V. I.; Russ, J.; Schiavon, P.; Simon, J.; Sitnikov, A. I.; Skow, D.; Smith, V. J.; Srivastava, M.; Steiner, V.; Stepanov, V.; Stutte, L.; Svoiski, M.; Terentyev, N. K.; Thomas, G. P.; Uvarov, L. N.; Vasiliev, A. N.; Vavilov, D. V.; Verebryusov, V. S.; Victorov, V. A.; Vishnyakov, V. E.; Vorobyov, A. A.; Vorwalter, K.; You, J.; Zhao, W. H.; Zheng, S. C.; Zukanovich-Funchal, R.

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First observation of the doubly charmed baryon Xi(+)(cc)

Mattson, M., Alkhazov, G., Atamantchouk, A. G., Balatz, M. Y., Bondar, N. F., Cooper, P. S., et al. (2002). First observation of the doubly charmed baryon Xi(+)(cc). Physical Review Letters, 89(11): 112001, pp. 112001-112001.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-829D-1 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-829E-0

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Mattson, M.¹, Author
Alkhazov, G.¹, Author
Atamantchouk, A. G.¹, Author
Balatz, M. Y.¹, Author
Bondar, N. F.¹, Author
Cooper, P. S.¹, Author
Dauwe, L. J.¹, Author
Davidenko, G. V.¹, Author
Dersch, U.², Author
Dolgolenko, A. G.¹, Author
Dzyubenko, G. B.¹, Author
Edelstein, R.¹, Author
Emediato, L.¹, Author
Endler, A. M. F.¹, Author
Engelfried, J.², Author
Eschrich, I.², Author
Escobar, C. O.¹, Author
Evdokimov, A. V.¹, Author
Filimonov, I. S.¹, Author
Garcia, F. G.¹, Author
Gaspero, M.¹, AuthorGiller, I.¹, AuthorGolovtsov, V. L.¹, AuthorGouffon, P.¹, AuthorGulmez, E.¹, AuthorHe, K. L.¹, AuthorIori, M.¹, AuthorJun, S. Y.¹, AuthorKaya, M.¹, AuthorKilmer, J.¹, AuthorKim, V. T.¹, AuthorKochenda, L. M.¹, AuthorKonorov, I.², Author         Kozhevnikov, A. P.¹, AuthorKrivshich, A. G.¹, AuthorKruger, H.³, Author         Kubantsev, M. A.¹, AuthorKubarovsky, V. P.¹, AuthorKulyavtsev, A. I.¹, AuthorKuropatkin, N. P.¹, AuthorKurshetsov, V. F.¹, AuthorKushnirenko, A.¹, AuthorKwan, S.¹, AuthorLach, J.¹, AuthorLamberto, A.¹, AuthorLandsberg, L. G.¹, AuthorLarin, I.¹, AuthorLeikin, E. M.¹, AuthorYunshan, L.¹, AuthorLuksys, M.¹, AuthorLungov, T.¹, AuthorMaleev, V. P.¹, AuthorMao, D.¹, AuthorMao, C. S.¹, AuthorMao, Z. L.¹, AuthorMathew, P.¹, AuthorMatveev, V.¹, AuthorMcCliment, E.¹, AuthorMoinester, M. A.¹, AuthorMolchanov, V. V.¹, AuthorMorelos, A.¹, AuthorNelson, K. D.¹, AuthorNemitkin, A. V.¹, AuthorNeoustroev, P. V.¹, AuthorNewsom, C.¹, AuthorNilov, A. P.¹, AuthorNurushev, S. B.¹, AuthorOcherashvili, A.¹, AuthorOliveira, E.¹, AuthorOnel, Y.¹, AuthorOzel, E.¹, AuthorOzkorucuklu, S.¹, AuthorPenzo, A.¹, AuthorPetrenko, S. V.¹, AuthorPogodin, P.¹, AuthorProcario, M.¹, AuthorPrutskoi, V. A.¹, AuthorRamberg, E.¹, AuthorRappazzo, G. F.¹, AuthorRazmyslovich, B. V.¹, AuthorRud, V. I.¹, AuthorRuss, J.¹, AuthorSchiavon, P.¹, AuthorSimon, J.¹, AuthorSitnikov, A. I.¹, AuthorSkow, D.¹, AuthorSmith, V. J.¹, AuthorSrivastava, M.¹, AuthorSteiner, V.¹, AuthorStepanov, V.¹, AuthorStutte, L.¹, AuthorSvoiski, M.¹, AuthorTerentyev, N. K.¹, AuthorThomas, G. P.¹, AuthorUvarov, L. N.¹, AuthorVasiliev, A. N.¹, AuthorVavilov, D. V.¹, AuthorVerebryusov, V. S.¹, AuthorVictorov, V. A.¹, AuthorVishnyakov, V. E.¹, AuthorVorobyov, A. A.¹, AuthorVorwalter, K.², Author         You, J.¹, AuthorZhao, W. H.¹, AuthorZheng, S. C.¹, AuthorZukanovich-Funchal, R.¹, Author more..

Affiliations:
1Carnegie Mellon Univ, Pittsburgh, PA 15213, USA; Ball State Univ, Muncie, IN 47306, USA; Bogazici Univ, TR-80815 Bebek, Istanbul, Turkey; Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil; Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA; Inst High Energy Phys, Protvino, Russia; Inst High Energy Phys, Beijing 100039, Peoples R China; Inst Theoret & Expt Phys, Moscow 117259, Russia; Max Planck Inst Kernphys, D-69117 Heidelberg, Germany; Moscow MV Lomonosov State Univ, Moscow, Russia; Petersburg Nucl Phys Inst, St Petersburg, Russia; Tel Aviv Univ, IL-69978 Ramat Aviv, Israel; Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico; Univ Fed Paraiba, BR-58059900 Joao Pessoa, Paraiba, Brazil; Univ Bristol, Bristol BS8 1TL, Avon, England; Univ Iowa, Iowa City, IA 52242 USA; Univ Michigan, Flint, MI 48502 USA; Univ Roma La Sapienza, Rome, Italy; Ist Nazl Fis Nucl, Rome, Italy; Univ Sao Paulo, Sao Paulo, Brazil; Univ Trieste, Trieste, Italy; Ist Nazl Fis Nucl, Trieste, Italy, ou_persistent22
2Prof. Bogdan Povh, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907545
3Ralf Srama - Heidelberg Dust Group, Research Groups, MPI for Nuclear Physics, Max Planck Society, ou_907558

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Abstract: We observe a signal for the doubly charmed baryon Xi(cc)(+) in the charged decay mode Xi(cc)(+)-->Lambda(c)(+)K(-)pi(+) in data from SELEX, the charm hadroproduction experiment at Fermilab. We observe an excess of 15.9 events over an expected background of 6.1+/-0.5 events, a statistical significance of 6.3sigma. The observed mass of this state is 3519+/-1 MeV/c(2). The Gaussian mass width of this state is 3 MeV/c(2), consistent with resolution; its lifetime is less than 33 fs at 90% confidence.

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Language(s): eng - English

Dates: Date issued: 2002-09-09

Publication Status: Issued

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Rev. Type: Peer

Identifiers: eDoc: 31351
ISI: 000177676400004

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Title: Physical Review Letters

Alternative Title : Phys. Rev. Lett.

Source Genre: Journal

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Pages: - Volume / Issue: 89 (11) Sequence Number: 112001 Start / End Page: 112001 - 112001 Identifier: ISSN: 0031-9007