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Old 09-19-2015, 01:07 AM
717
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Default Business as usual

I just got an email from a friend that Iran is testing modulated neutron initiators at their Parchin facility in a building camouflaged to look like a work trailer about the size of your average American mobile home.
Since it is a military site which is off limits to inspection for 24 days these types of testing facilities will be popping up like weeds now and can be dismantled easily in time for inspections.
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Old 09-22-2015, 02:45 AM
717
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Default copy of pgp email

Iran has apparently tested a neutron initiator, an important component in a nuclear warhead:

A metal cylinder the size of a semi-trailer is expected to be the yardstick of Iran’s actual readiness to cooperate with the International Atomic Energy Agency (IAEA) in the coming weeks. During visits to Tehran, IAEA’s chief inspector Herman Nackaerts has repeatedly insisted upon being allowed to examine the chamber, which was probably built in the year 2000 at the Parchin military base, 20 km [12 mi.] southeast of Tehran. The IAEA suspects that Iran conducted research there for the development of a nuclear warhead. An inspection would show the world that Iran is cooperating with the investigation into what the IAEA delicately calls the “possible military dimensions” of its nuclear program.

Diplomats posted to Vienna where the IAEA is headquartered said that Nackaerts selected Parchin because he thought it would be relatively easy for Tehran to grant his team access there. The inspectors avoid making requests based on information from intelligence services, which Iran often dismisses as forgeries, if the IAEA cannot share the original documents. They have their own sources, having interviewed Vyacheslav Danilenko, a scientist from the former Soviet nuclear weapons laboratory Chelyabinsk-70, who is said to have helped Iran to build the cylinder, a test chamber inside which it is possible to experiment with high explosives, as well as the ignition mechanisms of nuclear weapons.

They suspect that Iran used the cylinder to test a neutron initiator, a key component for a nuclear warhead. This experiment could have hardly any civil application. It would be difficult for the Islamic Republic to explain, since its Supreme Leader Ali Khamenei has rejected nuclear weapons as “un-Islamic” and maintains that they are interested only in the peaceful uses of nuclear energy.

A neutron initiator can be compared to a grill-lighter: just as it kindles the fire in a pile of charcoal, neutrons initiate fission in a nuclear warhead. The resulting chain reaction releases tremendous energy – a flash of light, deadly heat, and a tremendous blast, as well as radiation. However, for the ignition to work, several processes must occur within a split second in the proper sequence. In an implosion warhead, an arrangement of explosives and other components compresses a spherical core of highly enriched uranium so much that the metal becomes liquid. The neutron initiator, which is embedded in the center of the core, is simultaneously activated by the immense pressure.

The IAEA stated in its report of November 2011 that it has received information indicating that Iran has worked on such a neutron initiator, and may have tested it – but without establishing a direct connection to Parchin or the metal cylinder. However, a person associated with a Western intelligence agency stated that the IAEA has been presented with “solid evidence” that Iran is conducting this type of secret experiment there.

According to intelligence-service information, a special array of neutron detectors were installed outside of the test chamber. It was used during an experiment to see whether the neutron initiator worked, releasing sufficient particles. In addition, a flash x-ray camera was installed that would capture the implosion of the test system in the metal cylinder at very high resolution. The data from both sources combined allow an assessment of whether the ignition mechanism for a nuclear warhead would work.

An expert from the Ministry of Defense, was entrusted with the simulation and computer-assisted analysis of the experiment. According to this information, Ali-Reza Mola Heidar, an expert on instrumentation, contributed to the development of the flash x-ray system and the positioning of the neutron detectors.

Last edited by 717; 09-22-2015 at 02:58 AM..
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