226AM    191IR(40AR,5N):NUC ID:?       2022MA45                           202210
226AM c  Compiled (unevaluated) dataset from 2022Ma45:                          
226AM2c  Phys Rev C 106, 034316 (2022).                                         
226AM c  Compiled by B. Singh (McMaster), Sept 23, 2022                         
226AM c  Experimental search for the existence of {+226}Am proved unsuccessful. 
226AM c  2022Ma45: attempt to produce a new {+226}Am nuclide in 5n-evaporation  
226AM2c  channel in {+191}Ir({+40}Ar,xn){+231}Am{+*},E({+40}Ar)=190-204 MeV.    
226AM3c  Experiments were performed at the HRIFL-Lanzhou facility using the     
226AM4c  SHANS gas-filled recoil separator for extracting evaporation residues  
226AM5c  (EVRs). Target was enriched {+191}Ir with a thickness of 410 |mg/cm{+2}
226AM6c  sputtered on to 60 |mg/cm{+2} thick carbon foil. Evaporation residue   
226AM7c  recoils were implanted in three position-sensitive 16-strip Si         
226AM8c  detectors (PSSDs) for the detection of evaporation residues (EVRs).    
226AM9c  Eight side silicon detectors (SSDs) were used in an open box geometry  
226AMAc  to detect the |a particles escaping from the PSSDs. Measured energy,   
226AMBc  position, and time of the implantation of the EVRs and subsequent      
226AMCc  |a-|a-|a decay events correlated with the EVRs. No evidence was found  
226AMDc  for the events related to the production of {+226}Am. Absence of this  
226AMEc  nuclide is explained in terms of reduced survival probabilities of the 
226AMFc  compound nucleus {+231}Am due to its low fission barriers at high      
226AMGc  excitations. Upper limit of cross section was determined as <5.4 pb for
226AMHc  the production of the compound nucleus {+231}Am.                       
226AM  L 0                                                                     ?
226AM2 L %A=? $ %SF=?