1. HBr; Updated: 22.11.2013 Imaging experiments in Crete Labtop..C:……/Crete/HBr/PPT-130911aka.pptx & https://notendur.hi.is/~agust/rannsoknir/Crete/PPT-130911aka.pptx https://notendur.hi.is/~agust/rannsoknir/Crete/PPT-130911aka.pptx (updated file)

2. 30 k 60 k 90 k H + Br30300 cm -1 93736.45 cm -1 H + Br**(4P;5s) Lowest energy Br** HBr + + e; 94205.51806 cm -1 (11.68 eV) H + Br*(1/2)33985.24 cm -1 H + Br + 125584.8 139978.77H + + Br 74000 cm-1 (9.17 eV) 86000cm-1 (10.66 eV) 43000cm-1( 232.56 nm <= 465.11 nm) 37000cm-1 (270.27 nm <= 540.54 nm) Total scan range for HBr H + + Br - 112849.6 cm -1 130 k (1) (2) (3) (n) = number of photons https://notendur.hi.is/agust/rannsoknir/rempi/hbr/Jan12/PPT-180112ak.ppt Energetics: cm -1 „Internuclear distance“ https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf

3. III. Different ion formation channels: Main channels: HBr**(Ry,v´,J´) + hv -> HBr + + e ; Ionization of Rydberg state HBr**(I-P,v´,J´) + 2hv -> -> H + + Br + e; Ionization of Ion-pair states HBr**(I-P,v´,J´) + 2hv ->-> H + Br + + e; Ionization of Ion-pair states Other possible channels(?): HBr**(I-P,v´,J´) + hv -> -> H + + Br - ; Ionization of Ion-pair states ; Ion- Pair formation Br/Br* + 3hv ->->-> Br + + e;Ionization of Br atoms; Br + formation HBr**(I-P,v´,J´) + hv-> HBr + + eIonization of Ion-pair states ; Parent ion formation HBr**(Ry,v´,J´) + 2hv -> H + + Br + e ; Ionization of Rydberg state; H + formation : ? => Number of different states and J´ dependent ion formation channels I. 2hv resonance excitations: HBr + 2hv ->-> HBr**(Ry,v´,J´); Rydberg state excitation HBr + 2hv ->-> HBr**(I-P,v´,J´); Ion-Pair state excitation II. Intersystem crossings: HBr**(Ry,v´,J´) HBr**(I-P,v´,J´); Rydb. – Ion pair interactions  E(J´ Ry,J´ IP ) dependent HBr**(Ry,v´,J´) ->-> H + Br/Br*; Predissociation

4. Our recent mass resolved REMPI and perturbation studies (summary): Paper:Resonance excitation Range: HBr States 1 :Comments: http://jcp.aip.org/resource/1/j cpsa6/v138/i4/p044308_s1?is Authorized=nohttp://jcp.aip.org/resource/1/j cpsa6/v138/i4/p044308_s1?is Authorized=no or https://notendur.hi.is/~agust/r annsoknir/papers/jcp138- 044308-13.pdf https://notendur.hi.is/~agust/r annsoknir/papers/jcp138- 044308-13.pdf (JCP; 2013) 77520 – 78450 cm -1 / 9.61-9.73 eV E (v´= 0) vs. V(v´=m+4) andV(m+5) Strong Rydberg to ion-pair interaction; Emphasize J´ dependence http://jcp.aip.org/resourc e/1/jcpsa6/v136/i21/p214 315_s1?isAuthorized=no http://jcp.aip.org/resourc e/1/jcpsa6/v136/i21/p214 315_s1?isAuthorized=no (JCP, 2012) 79040-80300 cm -1 / 9.80 – 9.96 eV a)F 1  2 (v´=1) vs. V(v´=m+7) b)E(v´=1) and H(v´=0) vs. V(v´=m+7) & V(v´=m+8) a)(weak) resonance interactions b)Strong interactions Emphasize J´ dependence http://www.sciencedirect. com/science/article/pii/S0 022285212002019http://www.sciencedirect. com/science/article/pii/S0 022285212002019 OR https://notendur.hi.is/agu st/rannsoknir/papers/HBr /jcp136-214315-12.pdf https://notendur.hi.is/agu st/rannsoknir/papers/HBr /jcp136-214315-12.pdf (JMSp, 2012) 74000 – 86000 cm -1 / 9.17 – 10.66 eV Variour Rydberg and ion-pair states „total range“ Spectroscopic parameters and „New states“ 1. V(v´): Ion-pair states; E(v´),H(v´),F(v´): Rydberg states

5. Others (H.P. Loock et al.) „imaging studies“ on HBr: Paper:Resonance excitation Range: HBr States 1 :Comments: https://notendur.hi.i s/~agust/rannsoknir /papers/HBr/pccp8- 2940-06.pdf https://notendur.hi.i s/~agust/rannsoknir /papers/HBr/pccp8- 2940-06.pdf (2006) 75816 – 80655 cm-1 9.4 – 10 eV Many (i,F,E,H, V)Photoelectron detection. Focus on photoionization dynamics. Discover autoionization effects; Do not deal with J´dependences https://notendur.hi.i s/~agust/rannsoknir /papers/jcp127- 124304-07a.pdf https://notendur.hi.i s/~agust/rannsoknir /papers/jcp127- 124304-07a.pdf (2007) Specific wavelengths (see next column) Q(0) and Q(1) lines for E(v´=0), H(v´=0), V(v´= m+3, m+i;i=5- 8) H+ detection; emphasize electronic state effects and v´dependences for V states; Do not deal with J´dependences 1. V: Ion-pair states; E,H,F, i: Rydberg states

6. Suggestions for experiments: -relevant to our studies (see above): 1)Studies relevant to strong state interactions vs. J´ (http://jcp.aip.org/resource/1/jcpsa6/v138/i4/p044308_s1?isAuthorized=no /JCP; 2013) (or https://notendur.hi.is/~agust/rannsoknir/papers/jcp138-044308-13.pdf)http://jcp.aip.org/resource/1/jcpsa6/v138/i4/p044308_s1?isAuthorized=nohttps://notendur.hi.is/~agust/rannsoknir/papers/jcp138-044308-13.pdf Record ion images (H +, Br +, HBr + (?)) vs J´ for two-photon, one-color resonance excitations to J´ levels of a)The Rydberg state E(v´=0); For Q lines, J´=0, 2,..8, 9(?) b)The Ion-pair state V(v´=m+5); For Q lines, J´=0, 2,..8, 9(?) c)The Ion-pair state V(v´= m+4); For Q lines, J´=0, 2,..8, 9(?) (excitation range: 77520 – 78450 cm-1/9.61-9.73 eV; photons: 258.00-254.94 nm; see lines: https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf and/or https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf) https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf :

7. 2) Studies relevant to i) weak resonance state interactions and ii) strong interactions vs. J´ (http://jcp.aip.org/resource/1/jcpsa6/v136/i21/p214315_s1?isAuthorized=no /JCP, 2012)http://jcp.aip.org/resource/1/jcpsa6/v136/i21/p214315_s1?isAuthorized=no (or https://notendur.hi.is/agust/rannsoknir/papers/HBr/jcp136-214315-12.pdf )https://notendur.hi.is/agust/rannsoknir/papers/HBr/jcp136-214315-12.pdf Record ion images (H +, Br +, HBr + (?)) vs J´ for two-photon one color resonance excitations to J´ levels of a) The Rydberg state F(v´=1); Q lines, J´=3, 4,5,6,7 (i) b) The Rydberg state E(v´=1); Q lines, J´= 0,1,….7(?) (ii) c) The Rydberg state H(v´=0), Q lines, J´= 0,1,….9(?) (ii) d) The Ion-pair state V(v´=m+7), Q lines, J´= 0,1,..(5),..9 (i and ii) e) The Ion-pair state V(v´=m+8), Q lines, J´= 0,1,…7 (ii) (excitation range 79040-80300 cm-1/9.80 – 9.96 eV; photons: 253.04-249.07 nm; see lines: http://jcp.aip.org/resource/1/jcpsa6/v136/i21/p214315_s1?isAuthorized=nohttp://jcp.aip.org/resource/1/jcpsa6/v136/i21/p214315_s1?isAuthorized=no and/or https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdfhttps://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf and/or https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf) https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf See spectral lines below:

8. http://jcp.aip.org/resource/1/jcpsa6/v136/i21/p214315_s1?isAuthorized=no

9. O Q(J´=J´´) S https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf J´Q 0 78389,5 1 78380,41 2 78362,35 3 78335,61 4 78300,59 5 78257,83 6 78208 7 78151,92 8 78090,53 9 78024,92 Predicted lines from B´,D´, n0, B´´,D´´ See: „C:…Vm4Qlines-130916ak.xlsx

10. https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf O Q (J´=J´´) S Q: J´= J´´

11. https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf O P Q(J´=J´´) R S Q: J´= J´´

12. https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf 1hv absorption => Q lines not observed J´Q 077830 177821 277803 3 77778,7 4 77743,57 5 77700,09 6 77648,18 7 77587,92 8 77520 9 77444,97 10 77363,66 11 77276,9 12 78481,62 See: „C:…Vm4Qlines-130916ak.xlsx Q: J´= J´´ From our REMPI spectra

13. https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf 1hv absorption => Q lines not observed

14. https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf 1hv absorption => Q lines not observed

15. http://jcp.aip.org/resource/1/jcpsa6/v138/i4/p044308_s1?isAuthorized=no REMPI Spectra:

16. http://jcp.aip.org/resource/1/jcpsa6/v136/i21/p214315_s1?isAuthorized=no

17. https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf

18. More V(m + i) lines: See Table IV in https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf (C&G; 1990)https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf and Table 3 in https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms282-20-12.pdf (Long et al. (2012) and Table III in https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf (G,G&T; 1982)https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms282-20-12.pdf https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf C&G(90)GGT(82)Long et al.(12) P&R:V(m-1) V(m) V(m+1)V(m+2)V(m+3) V(m+4)V(m+5)V(m+6)V(m+7)V(m+8) ------- V(m+10) V(m+11) V(m+12) V(m+12) V(m+13) ----- V(m+16)V(m+17) V(m+18) V(m+19) https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms282-20-12.pdf

19. Alternative HBr experiments(3 & 4): 3) „near-resonance“ interaction: k 3  1 (v´= 0) (k(0)) and V(m+9) for J´= 7 Ref: https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms282-20-12.pdf :https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms282-20-12.pdf

20. 4) „near-resonance“ interaction: 6p  3  - (v´= 0) and V(m+17) for J´= 7,8,9 Ref: https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms282-20-12.pdf :https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms282-20-12.pdf O Q S