Observation of the narrow state X(3872)-> J/psi pi(+)pi(-) in (p)over-barp collisions at root s=1.96 TeV

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doi:10.1103/physrevlett.93.072001

Observation of the narrow state X(3872)-> J/psi pi(+)pi(-) in (p)over-barp collisions at root s=1.96 TeV

Acosta D., Affolder T., Ahn M., Akimoto T., Albrow M., Ambrose D., ...Daha Fazla

PHYSICAL REVIEW LETTERS, cilt.93, sa.7, 2004 (SCI-Expanded)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 93 Sayı: 7
Basım Tarihi: 2004
Doi Numarası: 10.1103/physrevlett.93.072001
Dergi Adı: PHYSICAL REVIEW LETTERS
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
İstanbul Üniversitesi Adresli: Hayır

Özet

We report the observation of a narrow state decaying into J/psipi(+)pi(-) and produced in 220 pb(-1) of (p) over barp collisions at roots=1.96 TeV in the CDF II experiment. We observe 730+/-90 decays. The mass is measured to be 3871.3+/-0.7(stat)+/-0.4(syst) MeV/c(2), with an observed width consistent with the detector resolution. This is in agreement with the recent observation by the Belle Collaboration of the X(3872) meson.