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From: Nick on 7 May 2010 02:15
Physics Letters A
Volume 373, Issue 22, 11 May 2009, Pages 1956-1958

Piezonuclear decay of thorium

Fabio Cardonea, b, Roberto Mignanib, c, d, , and Andrea Petruccic

aIstituto per lo Studio dei Materiali Nanostrutturati (ISMN–CNR), Via
dei Taurini, 00185 Roma, Italy

bGNFM, Istituto Nazionale di Alta Matematica “F. Severi”, Città
Universitaria, P.le A. Moro 2, 00185 Roma, Italy

cDipartimento di Fisica “E. Amaldi”, Università degli Studi “Roma
Tre”, Via della Vasca Navale 84, 00146 Roma, Italy

dI.N.F.N., Sezione di Roma III, Italy

Received 9 February 2009; accepted 28 March 2009. Communicated by F.
Porcelli. Available online 5 April 2009.

Abstract

We show that cavitation of a solution of thorium-228 in water induces
its transformation at a rate 10^4 times faster than the natural
radioactive decay would do. This result agrees with the alteration of
the secular equilibrium of thorium-234 obtained by a Russian team via
explosion of titanium foils in water and solutions. These evidences
further support some preliminary clues for the possibility of
piezonuclear reactions (namely nuclear reactions induced by pressure
waves) obtained in the last ten years.

///

Also see:

http://www.youtube.com/watch?v=TDSoAryImjU

http://www.youtube.com/watch?v=ehOS_o5b_2w
From: Jan Panteltje on 7 May 2010 07:41
On a sunny day (Thu, 6 May 2010 23:15:26 -0700 (PDT)) it happened Nick
<prochemica(a)hushmail.com> wrote in
<1c8dc6de-99d1-4af8-b781-dd95955068b9(a)n15g2000yqf.googlegroups.com>:

>Physics Letters A
>Volume 373, Issue 22, 11 May 2009, Pages 1956-1958
>
>Piezonuclear decay of thorium
>
>Fabio Cardonea, b, Roberto Mignanib, c, d, , and Andrea Petruccic
>
>aIstituto per lo Studio dei Materiali Nanostrutturati (ISMN�CNR), Via
>dei Taurini, 00185 Roma, Italy
>
>bGNFM, Istituto Nazionale di Alta Matematica �F. Severi�, Citt�
>Universitaria, P.le A. Moro 2, 00185 Roma, Italy
>
>cDipartimento di Fisica �E. Amaldi�, Universit� degli Studi �Roma
>Tre�, Via della Vasca Navale 84, 00146 Roma, Italy
>
>dI.N.F.N., Sezione di Roma III, Italy
>
>Received 9 February 2009; accepted 28 March 2009. Communicated by F.
>Porcelli. Available online 5 April 2009.
>
>Abstract
>
>We show that cavitation of a solution of thorium-228 in water induces
>its transformation at a rate 10^4 times faster than the natural
>radioactive decay would do. This result agrees with the alteration of
>the secular equilibrium of thorium-234 obtained by a Russian team via
>explosion of titanium foils in water and solutions. These evidences
>further support some preliminary clues for the possibility of
>piezonuclear reactions (namely nuclear reactions induced by pressure
>waves) obtained in the last ten years.
>
>///
>
>Also see:
>
>http://www.youtube.com/watch?v=TDSoAryImjU
>
>http://www.youtube.com/watch?v=ehOS_o5b_2w

Wow!
And it has always be my suspicion that also simple *friction* between
some materials causes nuclear reactions.

From: dlzc on 7 May 2010 11:08
Dear Nick:

On May 6, 11:15 pm, Nick <prochem...(a)hushmail.com> wrote:
> Physics Letters A
> Volume 373, Issue 22, 11 May 2009, Pages 1956-1958
>
> Piezonuclear decay of thorium
>
> Fabio Cardonea, b, Roberto Mignanib, c, d, ,  and
> Andrea Petruccic
>
> aIstituto per lo Studio dei Materiali Nanostrutturati
> (ISMN–CNR), Via dei Taurini, 00185 Roma, Italy
>
> bGNFM, Istituto Nazionale di Alta Matematica
> “F. Severi”, Città Universitaria, P.le A. Moro 2, 00185
> Roma, Italy
>
> cDipartimento di Fisica “E. Amaldi”, Università degli
> Studi “Roma Tre”, Via della Vasca Navale 84, 00146
> Roma, Italy
>
> dI.N.F.N., Sezione di Roma III, Italy
>
> Received 9 February 2009;  accepted 28 March 2009.
> Communicated by F. Porcelli.  Available online 5 April
> 2009.
>
> Abstract
>
> We show that cavitation of a solution of thorium-228 in
> water induces its transformation at a rate 10^4 times
> faster than the natural radioactive decay would do. This
> result agrees with the alteration of the secular
> equilibrium of thorium-234 obtained by a Russian team
> via explosion of titanium foils in water and solutions.
> These evidences further support some preliminary clues
> for the possibility of piezonuclear reactions (namely
> nuclear reactions induced by pressure waves) obtained
> in the last ten years.
>
> ///
>
> Also see:
>
> http://www.youtube.com/watch?v=TDSoAryImjU
>
> http://www.youtube.com/watch?v=ehOS_o5b_2w

Also see:
http://arxiv.org/abs/0910.2368
http://arxiv.org/abs/0910.3501
http://arxiv.org/abs/0909.2141
http://arxiv.org/abs/1001.5391
.... they considered their result "not positive".

Activation energies as low as they propose, would have left the Earth
with NO thorium, since it has undergone many cataclysms since
formation. Yet we have thorium.

David A. Smith
From: Mark Thorson on 7 May 2010 11:22
dlzc wrote:
>
> Also see:
> http://arxiv.org/abs/0909.2141

That one is where the train leaves the tracks,
as far as I'm concerned. Maybe I could believe
accelerated decay, but decay without gamma
emission is a bit too much.
From: dlzc on 7 May 2010 16:22
On May 7, 8:22 am, Mark Thorson <nos...(a)sonic.net> wrote:
> dlzc wrote:
>
> > Also see:
> >http://arxiv.org/abs/0909.2141
>
> That one is where the train leaves the tracks,
> as far as I'm concerned.  Maybe I could believe
> accelerated decay, but decay without gamma
> emission is a bit too much.

Well, if it is mechanically initiated (hah!!!), then maybe the gamma
was directed at the experimenters brain cells, rather than at the
detectors?

David A. Smith
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