hbr; updated: 22.11.2013 imaging experiments in crete labtop..c:……/crete/hbr/ppt-130911aka.pptx...

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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

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HBr; Updated: Imaging experiments in Crete Labtop..C:/Crete/HBr/PPT aka.pptx & https://notendur.hi.is/~agust/rannsoknir/Crete/PPT aka.pptx https://notendur.hi.is/~agust/rannsoknir/Crete/PPT aka.pptx (updated file) 30 k 60 k 90 k H + Br30300 cm cm -1 H + Br**(4P;5s) Lowest energy Br** HBr + + e; cm -1 (11.68 eV) H + Br*(1/2) cm -1 H + Br H + + Br cm-1 (9.17 eV) 86000cm-1 (10.66 eV) 43000cm-1( nm -> 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 Our recent mass resolved REMPI and perturbation studies (summary): Paper:Resonance excitation Range: HBr States 1 :Comments: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/jcp pdf https://notendur.hi.is/~agust/r annsoknir/papers/jcp pdf (JCP; 2013) cm -1 / eV E (v= 0) vs. V(v=m+4) andV(m+5) Strong Rydberg to ion-pair interaction; Emphasize J dependencee/1/jcpsa6/v136/i21/p _s1?isAuthorized=noe/1/jcpsa6/v136/i21/p _s1?isAuthorized=no (JCP, 2012) 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 dependencecom/science/article/pii/S http://www.sciencedirect. com/science/article/pii/S OR https://notendur.hi.is/agu st/rannsoknir/papers/HBr /jcp pdf https://notendur.hi.is/agu st/rannsoknir/papers/HBr /jcp pdf (JMSp, 2012) cm -1 / 9.17 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 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/pccp pdf https://notendur.hi.i s/~agust/rannsoknir /papers/HBr/pccp pdf (2006) cm 10 eV Many (i,F,E,H, V)Photoelectron detection. Focus on photoionization dynamics. Discover autoionization effects; Do not deal with Jdependences https://notendur.hi.i s/~agust/rannsoknir /papers/jcp a.pdf https://notendur.hi.i s/~agust/rannsoknir /papers/jcp a.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 vdependences for V states; Do not deal with Jdependences 1. V: Ion-pair states; E,H,F, i: Rydberg states 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/jcp pdf)http://jcp.aip.org/resource/1/jcpsa6/v138/i4/p044308_s1?isAuthorized=nohttps://notendur.hi.is/~agust/rannsoknir/papers/jcp 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: cm-1/ eV; photons: nm; see lines: https://notendur.hi.is/~agust/rannsoknir/papers/jcp pdf and/or https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf) https://notendur.hi.is/~agust/rannsoknir/papers/jcp pdf https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf : 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/jcp pdf )https://notendur.hi.is/agust/rannsoknir/papers/HBr/jcp 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 cm-1/9.80 9.96 eV; photons: nm; see lines:and/or https://notendur.hi.is/~agust/rannsoknir/papers/jcp pdfhttps://notendur.hi.is/~agust/rannsoknir/papers/jcp pdf and/or https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf) https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf See spectral lines below: O Q(J=J) S https://notendur.hi.is/~agust/rannsoknir/papers/jcp pdf JQ , , , , , , , , ,92 Predicted lines from B,D, n0, B,D See: C:Vm4Qlines ak.xlsx https://notendur.hi.is/~agust/rannsoknir/papers/jcp pdf O Q (J=J) S Q: J= J https://notendur.hi.is/~agust/rannsoknir/papers/jcp pdf O P Q(J=J) R S Q: J= J https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf 1hv absorption => Q lines not observed JQ , , , , , , , , ,62 See: C:Vm4Qlines ak.xlsx Q: J= J From our REMPI spectra https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf 1hv absorption => Q lines not observed https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf 1hv absorption => Q lines not observed REMPI Spectra: https://notendur.hi.is/~agust/rannsoknir/papers/jcp pdf More V(m + i) lines: See Table IV in https://notendur.hi.is/~agust/rannsoknir/papers/jcp pdf (C&G; 1990)https://notendur.hi.is/~agust/rannsoknir/papers/jcp pdf and Table 3 in https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf (Long et al. (2012) and Table III in https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf (G,G&T; 1982)https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms 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/jms pdf 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/jms pdf :https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf 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/jms pdf :https://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms pdf O Q S