November 20, 2024
      
                  
        
  Author(s)
  Yuxue  Liang,   Pedatsur  Neta,   Xiaoyu (Sara)  Yang,   Hugo  Garraffo,   Tallat  Bukhari,   Yi  Liu,   Stephen  Stein
 
       
            
    
    
        The NIST 2023 tandem mass spectral library contains 1,832,086 spectra of positive ions and 541,978 of negative ions from 51,501 compounds. Peak annotation plays an important role in spectrum evaluation. While most fragment ions are formed by neutral losses