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HBr ; Updated : 22.11.2013 Imaging experiments in Crete

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 ( updated file ). Energetics :. https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf. cm -1.

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HBr ; Updated : 22.11.2013 Imaging experiments in Crete

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  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(updatedfile)

  2. Energetics: https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf cm-1 139978.77 H + + Br (n) = number of photons 130 k 125584.8 H + Br + Total scan range for HBr (3) cm-1 112849.6 H + + Br- HBr+ + e; 94205.51806 cm-1 (11.68 eV) H + Br**(4P;5s) 90 k 93736.45 cm-1 86000cm-1 (10.66 eV) (2) Lowest energy Br** 74000 cm-1 (9.17 eV) 60 k 43000cm-1( 232.56 nm <= 465.11 nm) (1) 33985.24 cm-1 H + Br*(1/2) 37000cm-1(270.27 nm <= 540.54 nm) 30 k 30300 cm-1 H + Br „Internucleardistance“ https://notendur.hi.is/agust/rannsoknir/rempi/hbr/Jan12/PPT-180112ak.ppt

  3. I. 2hv resonanceexcitations: HBr + 2hv ->-> HBr**(Ry,v´,J´); RydbergstateexcitationHBr + 2hv ->-> HBr**(I-P,v´,J´); Ion-Pairstateexcitation II. Intersystemcrossings:HBr**(Ry,v´,J´) HBr**(I-P,v´,J´); Rydb. – IonpairinteractionsDE(J´Ry,J´IP) dependent HBr**(Ry,v´,J´) ->-> H + Br/Br*; Predissociation III. Differentionformationchannels: Mainchannels: HBr**(Ry,v´,J´) + hv -> HBr+ + e ; Ionization of RydbergstateHBr**(I-P,v´,J´) + 2hv -> -> H++ Br+ e; Ionization of Ion-pairstatesHBr**(I-P,v´,J´) + 2hv ->-> H + Br++ e; Ionizationof Ion-pairstates Otherpossiblechannels(?): HBr**(I-P,v´,J´) + hv-> -> H++ Br-; Ionizationof Ion-pairstates; Ion- PairformationBr/Br* + 3hv ->->-> Br+ + e; Ionization of Bratoms; Br+formation HBr**(I-P,v´,J´) + hv-> HBr+ + e Ionizationof Ion-pairstates; Parent ionformationHBr**(Ry,v´,J´) + 2hv -> H++ Br+ e ; Ionization of Rydbergstate; H+formation: ?=> Number of differentstates and J´ dependentionformationchannels

  4. Ourrecentmassresolved REMPI and perturbationstudies (summary): 1. V(v´): Ion-pairstates; E(v´),H(v´),F(v´): Rydbergstates

  5. Others (H.P. Loock et al.) „imagingstudies“ onHBr: 1. V: Ion-pairstates; E,H,F, i: Rydbergstates

  6. Suggestions for experiments: • -relevanttoourstudies (seeabove): • Studiesrelevanttostrongstateinteractionsvs. 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) • Recordionimages (H+, Br+, HBr+ (?)) vs J´ for two-photon, one-colorresonanceexcitationsto J´ levels of • TheRydbergstate E(v´=0); For Q lines, J´=0, 2, ..8, 9(?) • TheIon-pairstate V(v´=m+5); For Q lines, J´=0, 2, ..8, 9(?) • TheIon-pairstate V(v´= m+4); For Q lines, J´=0, 2, ..8, 9(?) • (excitationrange: 77520 – 78450 cm-1/9.61-9.73eV; photons: 258.00-254.94 nm; • see lines: https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf and/orhttps://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf) • : • :

  7. 2) Studiesrelevantto i) weakresonancestateinteractions and ii) stronginteractionsvs. J´(http://jcp.aip.org/resource/1/jcpsa6/v136/i21/p214315_s1?isAuthorized=no /JCP, 2012) (or https://notendur.hi.is/agust/rannsoknir/papers/HBr/jcp136-214315-12.pdf ) Recordionimages (H+, Br+, HBr+ (?)) vs J´ for two-photononecolorresonanceexcitationsto J´ levels of a) TheRydbergstate F(v´=1); Q lines, J´=3, 4,5,6,7 (i)b) TheRydbergstate E(v´=1); Q lines, J´= 0,1,….7(?) (ii)c) TheRydbergstate H(v´=0), Q lines, J´= 0,1,….9(?) (ii) d) TheIon-pairstate V(v´=m+7), Q lines, J´= 0,1, ..(5),..9 (i and ii)e) TheIon-pairstate V(v´=m+8), Q lines, J´= 0,1,…7 (ii)(excitationrange 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=no and/or https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf and/orhttps://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf) Seespectral lines below:

  8. 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

  9. O Q(J´=J´´) S Predicted lines from B´,D´, n0, B´´,D´´ See: „C:…Vm4Qlines-130916ak.xlsx https://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf

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

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

  12. Q: J´= J´´ Fromour REMPI spectra See: „C:…Vm4Qlines-130916ak.xlsx 1hv absorption => Q lines not observed https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf

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

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

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

  16. 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

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

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

  19. AlternativeHBr experiments(3 & 4): 3) „near-resonance“ interaction: k3P1(v´= 0) (k(0)) and V(m+9) for J´= 7 Ref: https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms282-20-12.pdf :

  20. 4) „near-resonance“ interaction: 6pp3S-(v´= 0) and V(m+17) for J´= 7,8,9 Ref: https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms282-20-12.pdf : O Q S

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