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Nuclear data sheets, 2010-07, Vol.111 (7), p.1807-2080
Ort / Verlag
United States: Elsevier Inc
Erscheinungsjahr
2010
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Nuclear structure data pertaining to all nuclei with mass A=168 (Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt) have been evaluated and incorporated into the ENSDF data file. This evaluation supersedes the previous publication (V.S. Shirley,
Nuclear Data Sheets 71, 261 (1994) (literature cutoff date July 1993)) and subsequent ENSDF file revisions for Tb and Dy (C. Baglin, literature cutoff date of 15 June 1999) and Hf (B. Singh, literature cutoff date of 30 April 2001), and includes literature available by 15 June 2010. Since the above evaluations, the first excited states in
168Pt have been identified (1998Ki20, 2009Go16) and
α decay from
172Hg has been observed (2009Sa27, 2004Ke06, 1999Se14). New levels in
168Dy have been excited using the
170Er(
82Se,
84Kr
γ) reaction (2010So03). (HI,xn
γ) studies have significantly expanded our knowledge of level structure in
168Lu (1999Ka17, 2002Ha33),
168Ta (2008QiZZ),
168Yb (1995Fi01),
168Tm (2007CaZW),
168Hf (2009Ya21),
168Os (2001Jo11, 2009Od02) and, for
168Tm, important information has come also from (d,2n
γ) and (
α,n
γ) reactions (1995Si20). Revised decay schemes are available following new studies of
168Hf
ε decay (6.7 min) (1997Ba26),
168Lu
ε decay (1999Ba65),
168Ta
ε decay (2007Mc08) and
172Au
α decay (2009Ha42). Significant new information for
168Er is available from (p,t) (2006Bu09), (d,p) and (t,d) (1996Ma50), (
γ,
γ′) (1996Ma18), (136Xe, X
γ) (2010Dr02), (
238U,
238
U
′
γ
) (2003Wu07) and (n,
n
′
γ) (1998Be20, 1998Be62) reactions, and the availability of
γγ coin data (1994Ju02, 1996Gi09) for the (n,
γ) E=thermal reaction has resulted in some significant level scheme revisions.