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25 April 2024 |
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Resonances formed by pbar-p and decaying into pizero-pizero-eta for masses 1960 to 2410 MeV | | A.V. Anisovich
; C.A. Baker
; C.J. Batty
; D.V. Bugg
; C.Hodd
; J.Kisiel
; V.A. Nikonov
; A.V. Sarantsev
; V.V. Sarantsev
; I. Scott
; B.S. Zou
; | | Date: |
9 Sep 2011 | | Abstract: | Data on pbar-b annihilation in flight into pizero-pizero-eta are presented
for nine beam momenta 600 to 1940 MeV/c. The strongest four intermediate states
are found to be f_2(1270)-eta, a_2(1320)-pi, sigma-eta and a_0(980)-pi. Partial
wave analysis is performed mainly to look for resonances formed by pbar-p and
decaying into pizero-pizero-eta through these intermediate states. There is
evidence for the following s-channel I = 0 resonances : two 4^{++} resonances
with mass and width (M,Gamma) at (2044, 208) MeV and (2320+-30, 220+-30) MeV;
three 2^{++} resonances at (2020+-50, 200+-70) MeV, (2240+-40, 170+-50) MeV and
(2370+-50, 320+-50) MeV; two 3^{++} resonances at (2000+-40, 250+-40) MeV and
(2280+-30, 210+-30) MeV; a 1^{++} resonance at (2340+-40, 340+-40) MeV; and two
2^{-+} resonances at (2040+-40, 190+-40) MeV and (2300+-40, 270+-40) MeV. | | Source: | arXiv, 1109.2086 | | Services: | Forum | Review | PDF | Favorites | |
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