Six countries look relatively modest new Iranian president, subject to sanctions and fears unrest plagued trickling home area, it may be more suitable for a long-term opportunities for compromise nuclear dispute.
Powers - Russia, China, France, Britain, Germany and the United States - hopes the economic pressure for many years, finally forced Iran to reduce its nuclear work, they suspect is intended to allow Tehran to make bombs.
Elected President Hassan Rouhani win June 14 elections, promised to fix the economy at large, will be delivered in the coming months, under pressure from the diplomat said.
He will pay close attention, if not sanctions, Iran's nuclear work will require scaling back progress and at least mitigate some of his public support may soon subside.
"Rouhani elections may provide an opportunity, and we expect to see a change in tone," says diplomat, who spoke on condition of anonymity, but it has a close knowledge.
Comments follow a meeting of senior officials, the six countries held in Brussels this week to develop a strategy for the future of Iran's nuclear diplomacy after the election.
"Iran is also carefully observed, in its vicinity, especially in Egypt and Syria, what is happening," the diplomat said.
Add six country negotiators expressed some doubts, the diplomat said: "Through our actions will have to determine the new Iranian government."
Six powers said this week that they hope to resume talks "as soon as possible," some diplomats said the new round of negotiations could take place before September, possibly in New York, the annual meeting of the UN General Assembly.
In the final round, held in April, did not produce a breakthrough, after Iran's refusal to offer a number of sanctions relief.
Powers, in return, requires Tehran to give up its uranium enrichment to 20 percent fissile purity - Close weapons-grade material - as well as existing inventory shipped out of a major process technology gap and close facilities such work is done.
Tehran denies that it has any military objective work and hope that the main economic sanctions be lifted before the program on the hard shoulder.
The successful experience of the past
Diplomats say Iran nuclear negotiator Rouhani past means that he may be better than his predecessor, Mahmoud Ahmadinejad - Ahmadinejad's nuclear diplomacy more involved.
Rouhani chair with Britain, France and Germany, talks, agreed in 2003 that Tehran suspend uranium enrichment-related activities, pending further negotiations on trade and diplomatic concessions to Iran, and ultimately undo mistrust.
He resigned after Ahmadinejad took office in August 2005 after the restoration and expansion of its uranium enrichment activities.
"Nuclear file, he has a special interest, know that this is very good, because this is the core of his career," the diplomat said.
Another Western diplomat said, Rouhani elections are considered the "best result" among the six countries. However, he expressed concern, Rouhani may be more conciliatory tone can disguise inaction.
"It is easier to create a positive impression, no real results," he told Reuters reporters.
No progress in the nuclear dispute, Israel threatened to bomb Iran's nuclear facilities, and may exacerbate avoid any military action in the region, international negotiations are keen.
Israel is widely regarded as the only nuclear power in the Middle East and considers Iran as an existential threat.
The West has increased attention recently in 2014 in Tehran plans to launch a new heavy-water reactor.
Western diplomats and experts say that if you make reprocessing spent fuel, Arak reactor produces plutonium bomb, Iran says it has no intention to do something.
"We are concerned about expanding Iran's nuclear activities, including plutonium track. Arak heavy-water reactor construction is accelerating," the senior diplomat said.
 



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