1. CH3Br Br atomic lines, summary 131009: agust, heima,....Sept09/Br atomic lines-021009vhw.pxp agust, heima,....Sept09/PD19670-121009vhw.pxp agust, heima,....Sept09/PD19670-131009vhwak.pxp agust,www,....Sept09/PPT-131009ak.ppt

2. 79178 79698.2 hv(Laser) See PD studies below

3. http://physics.nist.gov/cgi-bin/ASD/energy1.pl Configuration Term J Level (cm -1 ) 4s24p5 4s24p5 2 P° 3/2 3/2 0 1/2 1/2 3 685.24 4s 2 4p 4 ( 3 P 2 )5s 4 P 5/2 5/2 63 436.45 3/2 3/2 64 907.19 4s 2 4p 4 ( 3 P 1 )5s 4 P 1/2 1/2 66 883.87 4s 2 4p 4 ( 3 P 1 )5s 2 P 3/2 3/2 67 183.58 4s 2 4p 4 ( 3 P 0 )5s 2 P 1/2 1/2 68 970.21 4s 2 4p 4 ( 3 P 2 )5p 4 P° 5/2 5/2 74 672.32 3/2 3/2 75 009.13 1/2 1/2 75 814.00 4s 2 4p 4 ( 3 P 2 )5p 4 D° 7/2 7/2 75 521.50 5/2 5/2 75 697.05 3/2 3/2 76 743.08 4s 2 4p 4 ( 1 D)5s 2 D 5/2 5/2 75 890.33 3/2 3/2 75 908.53 4s 2 4p 4 ( 3 P 1 )5p 2 S° 1/2 1/2 78 076.00 4s 2 4p 4 ( 3 P 1 )5p 2 D° 5/2 5/2 78 511.60 3/2 3/2 78 676.65 4s 2 4p 4 ( 3 P 1 )5p 4 D° 1/2 1/2 78 865.72 4s 2 4p 4 ( 3 P 2 )4d 4 D 7/2 7/2 79 044.50 5/2 5/2 79 260.91 3/2 3/2 79 630.67 1/2 1/2 80 026.40 4s 2 4p 4 ( 3 P 1 )5p 4 S° 3/2 3/2 79 178.33 4s 2 4p 4 ( 3 P 0 )5p 2 P° 3/2 3/2 79 695.89 1/2 1/2 79 868.03 ll LL SS JJ 00 0+10 0 00 000 0010

4. “log-log” plot for 78 676.65 / 4s24p4(3P1)5p,2D°,3/2 <-<- 4s24p5,2P°, 3/2  (n) = (5) / 5 photons  Fits with the mechanism shown on next slide for low laser power whereas the leveling off seen for higher power indicates saturation effects agust, heima,....Sept09/PD19670-121009vhw.pxp:

5. 0 20 40 60 80 100 120 CH 3 Br CH 3 Br* CH 3 + Br ( 2 P 3/2 ) CH 3 + Br*( 2 D 3/2 ) CH 3 + Br + + e - 78677 78677/2 = 39338.5 39338.5 103264.8 120137.8 x10 3 cm -1 o o Abs. due to transition to the repulsive state 24587.8 16873 (1) (2) (3) (4) (5)

6. Slope = 5 Slope = 3 Slope = 2 agust, heima,....Sept09/PD19670-131009vhwak.pxp: