Possible Synthesis of Z=117 through <SUP>48</SUP>Ca+<SUP>249</SUP>Bk

ZHANG Qun-wu; SHEN Cai-wan; #; ZHAO En-guang 

doi:10.11804/NuclPhysRev.26.02.107

ZHANG Qun-wu, SHEN Cai-wan, #, ZHAO En-guang . Possible Synthesis of Z=117 through 48Ca+249Bk[J]. Nuclear Physics Review, 2009, 26(2): 107-111. DOI: 10.11804/NuclPhysRev.26.02.107

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ZHANG Qun-wu, SHEN Cai-wan, #, ZHAO En-guang . Possible Synthesis of Z=117 through 48Ca+249Bk[J]. Nuclear Physics Review, 2009, 26(2): 107-111. DOI: 10.11804/NuclPhysRev.26.02.107

Citation:

ZHANG Qun-wu, SHEN Cai-wan, #, ZHAO En-guang . Possible Synthesis of Z=117 through 48Ca+249Bk[J]. Nuclear Physics Review, 2009, 26(2): 107-111. DOI: 10.11804/NuclPhysRev.26.02.107

Possible Synthesis of Z=117 through ⁴⁸Ca+²⁴⁹Bk

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A possible way to synthesize superheavy element (Z=117) by using ⁴⁸Ca+²⁴⁹Bk reaction is studied with two step model. The fusion process is divided into two steps: the sticking process that the projectile approaches to the target to get contacted with the target by passing over the Coulomb barrier， and the formation process that the dinuclear system evolves from contact into compound nuclear state. Combined with the statistical evaporation model， the formation cross section of ²⁹⁷117 is calculated. The result shows that the residue for 3 neutron evaporation is 0.34 pb at excitation energy E*=31 MeV， which is detectable in laboratory.

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Possible Synthesis of Z=117 through 48Ca+249Bk

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Possible Synthesis of Z=117 through ⁴⁸Ca+²⁴⁹Bk