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Re: 1.9 GeV


 Dear Jerry, 
 thanks a lot for your input, I am looking up the reference you 
 quoted and return to you very soon. 
    Cheers, stefano



On Wed, 18 Dec 2002, V1357 wrote:

> Dear Dr. Bianco:  I have just seen your ICHEP02 paper:
> arXiv:hep-ex/0212028 showing a narrow resonance at 1.911+_.004 GeV.
> I would like to suggest to you that this may be related to the narrow
> resonance observed some time ago by a number of groups.  
> These experiments are listed on p. 436 of the 1988 PDG Review.
> A large number of experiments observed this resonance, but because several
> less sensitive ones did not, it has been generally discounted.
> I analyzed the most sensitive of these experiments in 
> PLB (1987) 81, and found good evidence for the resonance at
> 1937+- 1 MeV with a width less than 3 MeV.  You may want to consider the 
> possibility that this is related to your narrow structure.
> Incidentally, I don't think the spin could be as low as 1--, because I don't 
> see what would prevent a 1-- resonance from having a broad width to 
> two pion decay.  My educated guess is that a narrow resonance where you 
> observe it (whether on not it is related to the earlier observations)
> would have a relatively high spin.
> Please feel free to share this email with other members of E687 who
> you think might find it of interest.  Best regards,  Jerry Franklin
> 
>
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