Cross-sections for resonance production in% MathType!MTEF!2!1!+-% feaafiart1ev1aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGak0df9q8qqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9% vqaqpepi0xc9as0-LqLs-Jirpepeea0-as0Fb9pgea0lrP0xe9Fve9% Fve9qapdbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWexLMBb50ujb% qeguuDJXwAKbacfaGaf8hCaaNbaebacqWFUbGBaaa!413C! annihilation around 2190 MeV centre-of-mass energyannihilation around 2190 MeV centre-of-mass energy

L. Bertanza,A. Bigi,R. Casali,P. Lariccia,R. Pazzi,A. Bettini,M. Mazzucato,G. Sartori,S. Sartori,G. Zumerle,G. Borreani,B. Quassiati,G. Rinaudo,M. Vigone

Cross-sections for resonance production in% MathType!MTEF!2!1!+-% feaafiart1ev1aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGak0df9q8qqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9% vqaqpepi0xc9as0-LqLs-Jirpepeea0-as0Fb9pgea0lrP0xe9Fve9% Fve9qapdbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWexLMBb50ujb% qeguuDJXwAKbacfaGaf8hCaaNbaebacqWFUbGBaaa!413C! annihilation around 2190 MeV centre-of-mass energyannihilation around 2190 MeV centre-of-mass energy

2007

L. Bertanza
A. Bigi
R. Casali
P. Lariccia
R. Pazzi
A. Bettini
M. Mazzucato
G. Sartori
S. Sartori
G. Zumerle
G. Borreani
B. Quassiati
G. Rinaudo
M. Vigone

Resonance production cross-sections in nonstrange annihilation channels have been studied in the c.m. energy interval from 2.13 to 2.29 GeV where the first bump in the\(\bar {\mathcal{N}} \mathcal{N}\) cross-section forI = 1 had been observed. None of the resonance intermediate states we have analysed shows a structure large enough to be mainly responsible for the enhancement.

Keywords:

Particle physics
Atomic physics
Center of mass
Resonance
Physics
Annihilation
Nuclear physics
energy interval

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