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dimarts, 19 de juliol de 2016

Una cláusula secreta permite a Irán tener el arma nuclear antes de los 15 años fijados en el acuerdo internacional


VIENNA (AP) -- Key restrictions on Iran's nuclear program imposed under an internationally negotiated deal will start to ease years before the 15-year accord expires, advancing Tehran's ability to build a bomb even before the end the pact, according to a document obtained Monday by The Associated Press.

The document is the only text linked to last year's deal between Iran and six foreign powers that hasn't been made public, although U.S. officials say members of Congress have been able to see it. It was given to the AP by a diplomat whose work has focused on Iran's nuclear program for more than a decade, and its authenticity was confirmed by another diplomat who possesses the same document.

The diplomat who shared the document with the AP described it as an add-on agreement to the nuclear deal. But while formally separate from that accord, he said that it was in effect an integral part of the deal and had been approved by the U.S., Russia, China, Britain, France and Germany, the six powers that negotiated the deal with Tehran.

Details published earlier outline most restraints on Iran's nuclear program meant to reduce the threat that Tehran will turn nuclear activities it says are peaceful to making weapons.

But while some of the constraints extend for 15 years, documents in the public domain are short on details of what happens with Iran's most proliferation-prone nuclear activity - its uranium enrichment - beyond the first 10 years of the agreement.

The document obtained by the AP fills in the gap. It says that as of January 2027 - 11 years after the deal was implemented - Iran can start replacing its mainstay centrifuges with thousands of advanced machines.

Centrifuges churn out uranium to levels that can range from use as reactor fuel and for medical and research purposes to much higher levels for the core of a nuclear warhead. From year 11 to 13, says the document, Iran can install centrifuges up to five times as efficient as the 5,060 machines it is now restricted to using.

Those new models will number less than those being used now, ranging between 2,500 and 3,500, depending on their efficiency, according to the document. But because they are more effective, they will allow Iran to enrich at more than twice the rate it is doing now.

The U.S. says the Iran nuclear agreement is tailored to ensure that Iran would need at least 12 months to "break out" and make enough weapons grade uranium for at least one weapon.

But based on a comparison of outputs between the old and newer machines, if the enrichment rate doubles, that breakout time would be reduced to six months, or even less if the efficiency is more than double, a possibility the document allows for.

The document also allows Iran to greatly expand its work with centrifuges that are even more advanced, including large-scale testing in preparation for the deal's expiry 15 years after its implementation on Jan. 18.
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