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Submitted on: 09 January 2001.
Revised on: 16 February 2001.
Accepted on: 21 February 2001.
PHYSICS LETTERS B
Submitted on: 04 July 2022.
Revised on: 16 July 2022.
Accepted on: 30 July 2022.
PHYSICS LETTERS B---ELSEVIER
Submitted on: 26 August 2007.
Revised on: 28 September 2007.
Accepted on: 22 October 2007.
PHYSICS LETTERS B---ELSEVIER
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Submitted on: 09 July 2011.
Revised on: 25 July 2011.
Accepted on: 03 August 2011.
PHYSICS LETTERS B---ELSEVIER
Submitted on: 17 May 2022.
Revised on: 26 May 2022.
Accepted on: 12 June 2022.
PHYSICS LETTERS B
Submitted on: 08 June 2005.
Revised on: 14 July 2005.
Accepted on: 23 July 2005.
PHYSICS LETTERS B