In case it is interesting I have found a couple of interesting papers on pionic 
deuterium.

http://www.slac.stanford.edu/econf/C070910/PDF/290.pdf

http://www.researchgate.net/profile/Joao_Veloso2/publication/226690552_Pionic_Deuterium/links/0fcfd509900d147bc6000000.pdf?inViewer=true&pdfJsDownload=true&disableCoverPage=true&origin=publication_detail


The papers are quite technical and apparently Pionic Deuterium has been studied 
quite extensively. There are some interesting points about pion production and 
absorption with nuclei and nucleon pairs, ground state s orbital interaction 
with the nucleus, x-Ray production and experimental set up. The second paper is 
much more detailed.

It seems to me if we see effects in the experiments described in these papers, 
if pions are indeed generated then we might even be more likely to see 
something in ultra dense material.

I wonder what kinds of energies would be yielded in these kind of reactions. If 
any was produced we would need to balance this against those the energy 
required for pion production. But perhaps the excess energy for pion production 
comes from muon catalysed fusion and / or external forces and resonance effects.

Sent from my iPhone

> On 19 Oct 2015, at 22:18, Stephen Cooke <[email protected]> wrote:
> 
> I guess there is a chance that they saw X-ray spectra from Pionic Deuterium 
> as well as inferring from muons of specific energy. It will be interesting to 
> see what he says on Thursday, I hope someone can ask these kind of questions. 
> 
> Sent from my iPad
> 
>> On 19 okt. 2015, at 18:18, Jones Beene <[email protected]> wrote:
>> 
>> The lifetime of pions is a factor of 100 times shorter than the muon, which 
>> is itself short.
>>  
>> How pions can be detected at all, with so short a lifetime is a question 
>> worth asking.
>>  
>> There is a good possibility that they are inferred – from finding muons, 
>> which can be detected. Hopefully, Ólafsson will address this issue of 
>> detection on Thursday.
>>  
>>  
>> From: Stephen Cooke
>>  
>> … Is It possible that the nuclei are sufficiently close that those pions or 
>> virtual ones get generated in association with one nucleus and absorbed by 
>> another either directly or by tunneling at lower energy?
>> 
>>  

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