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  1. Article: Observation of a narrow charm-strange meson D(+)(sJ)(2632)-->D(+)(s)eta and D(0)K(+).

    Evdokimov, A V / Akgun, U / Alkhazov, G / Amaro-Reyes, J / Atamantchouk, A G / Ayan, A S / 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 / Filimonov, I S / Garcia, F G / Gaspero, M / Giller, I / Golovtsov, V L / Gouffon, P / Gülmez, E / Kangling, He / Iori, M / Jun, S Y / Kaya, M / Kilmer, J / Kim, V T / Kochenda, L M / Konorov, I / Kozhevnikov, A P / Krivshich, A G / Krüger, 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, Li / Luksys, M / Lungov, T / Maleev, V P / Mao, D / Chensheng, Mao / Zhenlin, Mao / Mathew, P / Mattson, M / 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 / Onel, Y / Ozel, E / Ozkorucuklu, S / Penzo, A / Petrenko, S V / Pogodin, P / Procario, M / 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 / Torres, I / Uvarov, L N / Vasiliev, A N / Vavilov, D V / Vázquez-Jáuregui, E / Verebryusov, V S / Victorov, V A / Vishnyakov, V E / Vorobyov, A A / Vorwalter, K / You, J / Wenheng, Zhao / Shuchen, Zheng / Zukanovich-Funchal, R

    Physical review letters

    2004  Volume 93, Issue 24, Page(s) 242001

    Abstract: We report the first observation of a charm-strange meson D(+)(sJ)(2632) at a mass of 2632.5+/-1.7 MeV/c(2) in data from SELEX, the charm hadro-production experiment E781 at Fermilab. This state is seen in two decay modes, D(+)(s)eta and D0K+. In the D(+)( ...

    Abstract We report the first observation of a charm-strange meson D(+)(sJ)(2632) at a mass of 2632.5+/-1.7 MeV/c(2) in data from SELEX, the charm hadro-production experiment E781 at Fermilab. This state is seen in two decay modes, D(+)(s)eta and D0K+. In the D(+)(s)eta decay mode we observe a peak with 101 events over a combinatoric background of 54.9 events at a mass of 2635.4+/-3.3 MeV/c(2). There is a corresponding peak of 21 events over a background of 6.9 at 2631.5+/-2.0 MeV/c(2) in the decay mode D0K+. The decay width of this state is <17 MeV/c(2) at 90% confidence level. The relative branching ratio Gamma(D0K+)/Gamma(D(+)(s)eta) is 0.14+/-0.06. The mechanism that keeps this state narrow is unclear. Its decay pattern is also unusual, being dominated by the D(+)(s)eta decay mode.
    Language English
    Publishing date 2004-12-10
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.93.242001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: 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 / Gülmez, E / Kangling, He / Iori, M / Jun, S Y / Kaya, M / Kilmer, J / Kim, V T / Kochenda, L M / Konorov, I / Kozhevnikov, A P / Krivshich, A G / Krüger, 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, Li / Luksys, M / Lungov, T / Maleev, V P / Mao, D / Chensheng, Mao / Zhenlin, Mao / 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 / Wenheng, Zhao / Shuchen, Zheng / Zukanovich-Funchal, R

    Physical review letters

    2002  Volume 89, Issue 11, Page(s) 112001

    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 ...

    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.
    Language English
    Publishing date 2002-09-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.89.112001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Precision measurements of the lambda(+)(c) and D0 lifetimes.

    Kushnirenko, A / 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 / 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 / Gülmez, E / Kangling, H / Iori, M / Jun, S Y / Kaya, M / Kilmer, J / Kim, V T / Kochenda, L M / Konorov, I / Kozhevnikov, A P / Krivshich, A G / Krüger, H / Kubantsev, M A / Kubarovsky, V P / Kulyavtsev, A I / Kuropatkin, N P / Kurshetsov, V F / 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 / Chensheng, M / Zhenlin, M / Mathew, P / Mattson, M / 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 / 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 / Wenheng, Z / Shuchen, Z / Zukanovich-Funchal, R

    Physical review letters

    2001  Volume 86, Issue 23, Page(s) 5243–5246

    Abstract: We report new precision measurements of the lifetimes of the Lambda(+)(c) and D0 from SELEX, the charm hadroproduction experiment at Fermilab. Based upon 1630 Lambda(+)(c) and 10 210 D0 decays we observe lifetimes of tau[Lambda(+)(c)] = 198.1+/-7.0+/-5.6 ...

    Abstract We report new precision measurements of the lifetimes of the Lambda(+)(c) and D0 from SELEX, the charm hadroproduction experiment at Fermilab. Based upon 1630 Lambda(+)(c) and 10 210 D0 decays we observe lifetimes of tau[Lambda(+)(c)] = 198.1+/-7.0+/-5.6 fs and tau[D0] = 407.9+/-6.0+/-4.3 fs.
    Language English
    Publishing date 2001-06-04
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.86.5243
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Observation of the Cabibbo-Suppressed Decay Ξ_{c}^{+} → pK^{-}π^{+}.

    Jun, S Y / Akchurin, N / Andreev, V A / Atamantchouk, A G / Aykac, M / Balatz, M Y / Bondar, N F / Bravar, A / Cooper, P S / Dauwe, L J / Davidenko, G V / Dersch, U / Dolgolenko, A G / Dreossi, D / Dzyubenko, G B / Edelstein, R / Emediato, L / Endler, A M / Engelfried, J /
    Eschrich, I / Escobar, C O / Evdokimov, A V / Filimonov, I S / Garcia, F G / Gaspero, M / Gerzon, S / Giller, I / Golovtsov, V L / Goncharenko, Y M / Gottschalk, E / Gouffon, P / Grachov, O A / Gülmez, E / Iori, M / Kamenski, A D / Kangling, H / Kaya, M / Kilmer, J / Kim, V T / Kochenda, L M / Königsmann, K / Konorov, I / Kozhevnikov, A A / Krivshich, A G / Krüger, 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 / Luksys, M / Lungov, T / Magarrel, D / Maleev, V P / Mao, D / Masciocchi, S / Mathew, P / Mattson, M / Matveev, V / McCliment, E / McKenna, S L / Moinester, M A / Molchanov, V V / Morelos, A / Mukhin, V A / Nelson, K D / Nemitkin, A V / Neoustroev, P V / Newsom, C / Nilov, A P / Nurushev, S B / Ocherashvili, A / Oleynik, G / Onel, Y / Ozel, E / Ozkorucuklu, S / Patrichev, S / Penzo, A / Petrenko, S I / Pogodin, P / Povh, B / Procario, M / Prutskoi, V A / Ramberg, E / Rappazzo, G F / Razmyslovich, B V / Rud, V I / Russ, J / Schiavon, P / Semyatchkin, V K / 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 / Wenheng, Z / You, J / Yunshan, L / Zhenlin, M / Zhigang, L / Zukanovich Funchal, R

    Physical review letters

    2000  Volume 84, Issue 9, Page(s) 1857–1861

    Abstract: We report the first observation of the Cabibbo-suppressed charm baryon decay Ξ_{c}^{+}→pK^{-}π^{+}. We observe 150±22±5 events for the signal. The data were accumulated using the SELEX spectrometer during the 1996-1997 fixed target run at Fermilab, ... ...

    Abstract We report the first observation of the Cabibbo-suppressed charm baryon decay Ξ_{c}^{+}→pK^{-}π^{+}. We observe 150±22±5 events for the signal. The data were accumulated using the SELEX spectrometer during the 1996-1997 fixed target run at Fermilab, chiefly from a 600 GeV/c Σ^{-} beam. The branching fractions of the decay relative to the Cabibbo-favored Ξ_{c}^{+}→Σ^{+}K^{-}π^{+} and Ξ_{c}^{+}→Ξ^{-}π^{+}π^{+} are measured to be B(Ξ_{c}^{+}→pK^{-}π^{+})/B(Ξ_{c}^{+}→Σ^{+}K^{-}π^{+})=0.22±0.06±0.03 and B(Ξ_{c}^{+}→pK^{-}π^{+})/B(Ξ_{c}^{+}→Ξ^{-}π^{+}π^{+})=0.20±0.04±0.02, respectively.
    Language English
    Publishing date 2000-02-28
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.84.1857
    Database MEDical Literature Analysis and Retrieval System OnLINE

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