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1.	Abdallah, J, et al. (author) Measurement of inclusive f(1) (1285) and f(1) (1420) production in Z decays with the DELPHI detector 2003 In: Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. - : Elsevier BV. - 0370-2693. ; 569:3-4, s. 129-139 Journal article (peer-reviewed)abstract DELPHI results are presented on the inclusive production of two (K(K) over bar π)(0) states in the mass region 1.2-1.6 GeV/c(2) in hadronic Z decays at LEP I. The measured masses (widths) are 1274 +/- 6 MeV/c(2) (29 +/- 12 MeV/c(2)) and 1426 +/- 6 MeV/c(2) (51 +/- 14 MeV/c(2)), respectively. A partial-wave analysis of the (K(K) over bar π)(0) system shows that the first peak is consistent with the I-G (J(PC)) = 0(+)(1(++))/(0(-+))a(0)(980)pi and the second with the I-G (J(PC)) = 0(+)(1(++))K*(892)(K) over bar + c.c. assignments. The total hadronic production rates per hadronic Z decay are (0.165 +/- 0.051) and (0.056 +/- 0.012), respectively. These measurements are consistent with the two states being the f(1) (1285) and f(1) (1420) mesons. (C) 2003 Published by Elsevier B.V.

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Type of publication: journal article (1)

Type of content: peer-reviewed (1)

Author/Editor: Abdallah, J (1); Hedberg, Vincent (1); Jarlskog, Göran (1); Mjörnmark, Ulf (1); Smirnova, Oxana (1); Andreazza, A. (1); show more...; Anjos, N. (1); Baroncelli, A. (1); Battaglia, M. (1); Benekos, N. (1); Besson, N. (1); Boonekamp, M. (1); Brenner, R. (1); Bugge, L. (1); Canale, V. (1); Chudoba, J. (1); Di Ciaccio, L. (1); Di Simone, A. (1); Dris, M. (1); Eigen, G. (1); Elsing, M. (1); Fassouliotis, D. (1); Ferrer, A. (1); Fuster, J. (1); Garcia, C. (1); Graziani, E. (1); Hamacher, K. (1); Haug, S. (1); Hoffman, J. (1); Kluit, P. (1); Kourkoumelis, C. (1); Leitner, R. (1); Liebig, W. (1); Lipniacka, A. (1); Maltezos, S. (1); Masik, J. (1); Meroni, C. (1); Moa, T. (1); Morettini, P. (1); Nicolaidou, R. (1); Onofre, A. (1); Ouraou, A. (1); Parodi, F. (1); Parzefall, U. (1); Passeri, A. (1); Salt, J. (1); Sopczak, A. (1); Stugu, B. (1); Troncon, C. (1); van Vulpen, I. (1); show less...

University: Lund University (1)

Language: English (1)

Research subject (UKÄ/SCB): Natural sciences (1)

Year: 2003 (1)

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