Lifetime measurements in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mmultiscripts> <mml:mi mathvariant="normal">W</mml:mi> <mml:mprescripts/> <mml:none/> <mml:mn>165</mml:mn> </mml:mmultiscripts> </mml:math> and the spin evolution

Lifetimes of low-lying states in the yrast <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"> <a:mrow> <a:mi>ν</a:mi> <a:msub> <a:mi>i</a:mi> <a:mrow> <a:mn>13</a:mn> <a:mo>/</a:mo> <a:mn>2</a:mn> </a:mrow> </a:msub> </a:mrow> </a:math> band in <b:math xmlns:b="http://www.w3.org/1998/Math/MathML"> <b:mmultiscripts> <b:mi mathvariant="normal">W</b:mi> <b:mprescripts/> <b:none/> <b:mn>165</b:mn> </b:mmultiscripts> </b:math> have been measured using the recoil distance Doppler-shift (RDDS) method. The excited states of interest were populated in the <d:math xmlns:d="http://www.w3.org/1998/Math/MathML"> <d:mmultiscripts> <d:mi>Mo</d:mi> <d:mprescripts/> <d:none/> <d:mn>92</d:mn> </d:mmultiscripts> </d:math> ( <e:math xmlns:e="http://www.w3.org/1998/Math/MathML"> <e:mmultiscripts> <e:mi>Kr</e:mi> <e:mprescripts/> <e:none/> <e:mn>78</e:mn> </e:mmultiscripts> <e:mo>,</e:mo> <e:mrow> <e:mn>4</e:mn> <e:mi>p</e:mi> </e:mrow> <e:mrow> <e:mn>1</e:mn> <e:mi>n</e:mi> </e:mrow> </e:math> ) <f:math xmlns:f="http://www.w3.org/1998/Math/MathML"> <f:mmultiscripts> <f:mi mathvariant="normal">W</f:mi> <f:mprescripts/> <f:none/> <f:mn>165</f:mn> </f:mmultiscripts> </f:math> fusion-evaporation reaction and their decays were investigated via <h:math xmlns:h="http://www.w3.org/1998/Math/MathML"> <h:mi>γ</h:mi> </h:math> rays detected in the Jurogam II detector array in coincidence with nuclei separated and detected using the RITU gas-filled separator. From the experimental lifetimes, corresponding reduced transition strengths, <i:math xmlns:i="http://www.w3.org/1998/Math/MathML"> <i:mrow> <i:mi>B</i:mi> </i:mrow> </i:math> ( <j:math xmlns:j="http://www.w3.org/1998/Math/MathML"> <j:mrow> <j:mi>E</j:mi> <j:mn>2</j:mn> </j:mrow> </j:math> ) values, were deduced and an unusually low experimental value of the ratio <k:math xmlns:k="http://www.w3.org/1998/Math/MathML"> <k:mrow> <k:mfrac> <k:mrow> <k:mi>B</k:mi> <k:mo>(</k:mo> <k:mi>E</k:mi> <k:mn>2</k:mn> <k:mo>;</k:mo> <k:mn>21</k:mn> <k:mo>/</k:mo> <k:msup> <k:mn>2</k:mn> <k:mo>+</k:mo> </k:msup> <k:mo>→</k:mo> <k:mn>17</k:mn> <k:mo>/</k:mo> <k:msup> <k:mn>2</k:mn> <k:mo>+</k:mo> </k:msup> <k:mo>)</k:mo> </k:mrow> <k:mrow> <k:mi>B</k:mi> <k:mo>(</k:mo> <k:mi>E</k:mi> <k:mn>2</k:mn> <k:mo>;</k:mo> <k:mn>17</k:mn> <k:mo>/</k:mo> <k:msup> <k:mn>2</k:mn> <k:mo>+</k:mo> </k:msup> <k:mo>→</k:mo> <k:mn>13</k:mn> <k:mo>/</k:mo> <k:msup> <k:mn>2</k:mn> <k:mo>+</k:mo> </k:msup> <k:mo>)</k:mo> </k:mrow> </k:mfrac> <k:mo>=</k:mo> <k:mn>0.59</k:mn> <k:mrow> <k:mo>(</k:mo> <k:mn>7</k:mn> <k:mo>)</k:mo> </k:mrow> </k:mrow> </k:math> was extracted, similar to what has been observed in neighboring nuclei in this mass region. The experimental results have been compared with Woods-Saxon-type mean field and interacting boson-approximation (IBM-1) calculations.