hbr mass resolved rempi and imaging rempi

72
HBr Mass resolved REMPI and Imaging REMPI

Upload: maris-bauer

Post on 02-Jan-2016

28 views

Category:

Documents


0 download

DESCRIPTION

HBr Mass resolved REMPI and Imaging REMPI. E. H + X + + e. J + v +. HX + + e. H + X**. IE(HX). J´ v´. (2+1)REMPI: 2h n + HX ->-> HX**(v´,J´) 1h n + HX** -> HX + (v + ,J + ). HX**. Rydb. H + Br / Br *. J´´ v´´= 0. HX. r(HX). E. H + X + + e. J + v +. - PowerPoint PPT Presentation

TRANSCRIPT

Page 1: HBr Mass resolved  REMPI and Imaging  REMPI

HBr Mass resolved REMPIandImaging REMPI

Page 2: HBr Mass resolved  REMPI and Imaging  REMPI

Rydb.

H + Br/Br*

r(HX)J´´ v´´= 0

HX

HX**

HX+ + e

J´ v´

IE(HX) H + X**

H + X+ + e

J+ v+

E

(2+1)REMPI:

2hn + HX ->-> HX**(v´,J´)1hn + HX** -> HX+(v+,J+)

Page 3: HBr Mass resolved  REMPI and Imaging  REMPI

Rydb.

H + Br/Br*

r(HX)J´´ v´´= 0

HX

HX**

HX+ + e

J´ v´

H + X**

H + X+ + e

J+ v+

E

H+X-/Ion-pair/V

v´,J´(2+2)REMPI:

2hn + HX ->-> H+X-(v´,J´)2hn + H+X- -> H + X+

Page 4: HBr Mass resolved  REMPI and Imaging  REMPI

350x103

300

250

200

150

100

50

Re

lati

ve

in

ten

sit

y

/a.u

.

81.45x10381.4081.3581.3081.2581.2081.15

Wavenumber 2h/cm-1

I1 Q

2468

P234567

R2 3 4 5 6 7 8

S2 3 4 5 6

79Br+

H79Br+

Page 5: HBr Mass resolved  REMPI and Imaging  REMPI

60x103

40

20

0

-20

Re

lativ

e I

nte

nsi

ty

80.7x10380.680.580.4

Wavenumber /cm-1

m3(v'=0)

V1

(m+9)

H79

Br+

79Br

+

H+

0123456Q

27QP R

S

23456 2 3 4

2

k3(v'=0)

Page 6: HBr Mass resolved  REMPI and Imaging  REMPI

85.3685.3585.3485.33x10

3

H35Cl+

35Cl+

Q

J´=J´´ = 9 8 7 6 5 4 3 2

HCl, F1D2

2h n / cm-1

Inte

nsi

ty

Page 7: HBr Mass resolved  REMPI and Imaging  REMPI

r(H-X)

Energy

HX

H X ** H+--X-

HX+ X+

e-

e-

+

HX REMPI:

IE limit

Page 8: HBr Mass resolved  REMPI and Imaging  REMPI

State

Interactions ?

E

Page 9: HBr Mass resolved  REMPI and Imaging  REMPI

State

Interactions ?

(1) / y0 (2) / y01 2

c1y01

ya

c2y02= +

yb =c1

´y0 c2´y0-

1 2

c1c2+2 2

= 1

E

WEci

2

4

2

12

12

2

2

E

Fraction Rydb. Fraction ion-pair

Page 10: HBr Mass resolved  REMPI and Imaging  REMPI

W 12:

Interaction

strength

(1) / y0 (2) / y01 2

c1y01

ya

c2y02= +

yb =c1

´y0 c2´y0-

1 2

c1c2+2 2

= 1

E

WEci

2

4

2

12

12

2

2

E

Fraction Rydb. Fraction ion-pair

Page 11: HBr Mass resolved  REMPI and Imaging  REMPI

(1) / y0 (2) / y01 2

c1y01

ya

c2y02= +

yb =c1

´y0 c2´y0-

1 2

c1c2+2 2

= 1

E

WEci

2

4

2

12

12

2

2

E( ) E(J´)DE

E

Fraction Rydb. Fraction ion-pair

Page 12: HBr Mass resolved  REMPI and Imaging  REMPI

87.6x103

87.4

87.2

87.0

86.8

E v

´,J´

/ cm

-1

-120 -100 -80 -60 -40 -20 0 EJ´+1,J´ / cm

-1

V state

v´=13

v´=14

v´=1

F state

J´=8 J´=8

x

HCl:

F1D2

V1 S

I.e. Mixing (c12 and c2

2) J´ dependent:

Page 13: HBr Mass resolved  REMPI and Imaging  REMPI

(1) / y0 (2) / y01 2

c1y01

ya

c2y02= +

yb =c1

´y0 c2´y0-

1 2

c1c2+2 2

= 1

E

WEci

2

4

2

12

12

2

2

E( ) E(J´)

E

Fraction Rydb. Fraction ion-pair

HX+ X+

Page 14: HBr Mass resolved  REMPI and Imaging  REMPI

0

0.05

0.1

0.15

0.2

0.25

0.3

4 5 6 7 8 9J´

I(C

l+)/

I(H

Cl+

)

H35Cl H37Cl

F, v´=1 X, v´=0

Page 15: HBr Mass resolved  REMPI and Imaging  REMPI

85.3685.3585.3485.33x10

3

H35Cl+

35Cl+

Q

J´=J´´ = 9 8 7 6 5 4 3 2

HCl, F1D2

2h n / cm-1

Com-press-ion

E x p a n s i o n

Inte

nsi

ty

Page 16: HBr Mass resolved  REMPI and Imaging  REMPI

87.6x103

87.4

87.2

87.0

86.8

E v

´,J´

/ cm

-1

150100500-50-100 dEJ´+1,J´ / cm

-1

V state

v´=14

v´=1

F state

J´=8

J´=7

J´=8

J´=7

F (v´=1)

fig.3c

87.6x103

87.4

87.2

87.0

86.8

E v

´,J´

/ cm

-1

150100500-50-100 dEJ´+1,J´ / cm

-1

V state

v´=14

v´=1

F state

J´=8

J´=7

J´=8

J´=7

F (v´=1)

fig.3c

DE

2/120

201

2

1202

01 )(4

2

1

2

1EEWEEEi

Page 17: HBr Mass resolved  REMPI and Imaging  REMPI

Above: Weak „near-resonance“ state interaction (W12 small)

Below: Strong „off-resonance interaction“

Page 18: HBr Mass resolved  REMPI and Imaging  REMPI

Rel

ativ

e In

ten

sity

77.98x103

77.9677.9477.9277.9077.8877.86

Wavenumber 2hv/cm-1

Q

02489 7 6

E1

79Br

H79

Br

10

H79Br

Page 19: HBr Mass resolved  REMPI and Imaging  REMPI

E

H + Br/Br*

r(HX)J´´ v´´= 0

HX

HX**

HX+ + e

J´ v´=0

H + X**

H + X+ + e

J+ v+

E

H+X- /Ion-pair/V

v´=m+5v´=m+4

Page 20: HBr Mass resolved  REMPI and Imaging  REMPI

E

H + Br/Br*

r(HX)J´´ v´´= 0

HX

HX**

HX+ + e

J´ v´=0

H + X**

H + X+ + e

J+ v+

E

H+X- /Ion-pair/V

v´=m+5v´=m+4

Page 21: HBr Mass resolved  REMPI and Imaging  REMPI

79.8

79.6

79.4

79.2

x103

J´=0

J´=6

J´=9J´=6 v´=m+5

H79Br

E 1S(0+), v´=0

J´=9 v´=m+4

J´=0

V 1S(0+)

Off resonance

W´=0 W´=0

J´=6

J´=0

E/c

m-1

Page 22: HBr Mass resolved  REMPI and Imaging  REMPI

0.35

0.30

0.25

0.20

0.15

0.10

0.05

0.00

I(7

9 Br+

)/I(H

79 B

r+)

0 1 2 3 4 5 6 7 8 9J'

0.35

0.30

0.25

0.20

0.15

0.10

0.05

0.00

Experimental data V(v'=m+4) V(v'=m+5)

Exp: Calc:E(0)

Page 23: HBr Mass resolved  REMPI and Imaging  REMPI

8

6

4

2

0

Line

wid

th

/cm

-1

86420 J'

V1

'=m+4)

4

3

2

1

0

Line

wid

th

/cm

-1543210 J'

V1

'=m+5)

2.0

1.5

1.0

0.5

0.0

Line

wid

th

/cm

-1

86420 J'

E1

'=0)

0.35

0.30

0.25

0.20

0.15

0.10

0.05

0.00

I(7

9B

r+)/

I(H

79B

r+)

0 1 2 3 4 5 6 7 8 9J'

0.35

0.30

0.25

0.20

0.15

0.10

0.05

0.00

Experimental data V(v'=m+4) V(v'=m+5)

Page 24: HBr Mass resolved  REMPI and Imaging  REMPI

79.8

79.6

79.4

79.2

x103

J´=0

J´=6

J´=9J´=6 v´=m+5

H79Br

E 1S(0+), v´=0

J´=9 v´=m+4

J´=0

V 1S(0+)

J´=6

J´=0

E/c

m-1

140

120

100

80

60

40

20

J', J

'-1

/cm

-1

987654321J'

E(v'=0) Exp. Cal.

70

60

50

40

30

20

10

J'

, J'-1

/c

m-1

987654321J'

V(v'=m+4) Exp. Cal.

60

50

40

30

20

10

J'

, J'-1

/c

m-1

654321 J'

V(v'=m+5) Exp. Cal.

Page 25: HBr Mass resolved  REMPI and Imaging  REMPI

Imaging experiments in Crete:

Page 26: HBr Mass resolved  REMPI and Imaging  REMPI

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)Record ion images (H+, Br+, HBr+ (?)) vs J´ for two-photon, one-color resonance excitations to J´ levels ofa) 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/orhttps://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf)

::

Page 27: HBr Mass resolved  REMPI and Imaging  REMPI

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)(or 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 ofa) 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=no and/orhttps://notendur.hi.is/~agust/rannsoknir/papers/jcp93-4624-90.pdf and/orhttps://notendur.hi.is/~agust/rannsoknir/papers/HBr/jms90-152-81.pdf)

Page 28: HBr Mass resolved  REMPI and Imaging  REMPI

a)H+

b)Br+ and Br+ from Br resonancesc)Br- (<= H+ + Br-)

Page 29: HBr Mass resolved  REMPI and Imaging  REMPI

500x103

400

300

200

100

0

Rel

ativ

e In

ten

sity

/a.

u.

78.4x10378.278.077.877.6

Wavenumber /cm-1

E1+(v'=0)

V1+(v'=m+4)

V1+(v'=m+5)

X40

Q010

O01234567

S2 3 4 5 6 7 8 9

Q

Q

012345678

0123456

8

H79Br+

79Br+

H+

i33(v'=0)

Q R

9

Page 30: HBr Mass resolved  REMPI and Imaging  REMPI

200x103

150

100

50

0

-50

Inte

nsity

/a

.u.

79.5x10379.479.379.279.1

Wavenumber /cm-1

F1 (v'=1)

Q

P

R

S

2

2 3 4 5 6

2 3 54

2

10

11 3

O

45678910

234

23 10456789

V1 (v'=m+7)

Q

81Br+

H81Br+

H+

Br atomic line

7 8

H1 (v'=0)

O8 7 6 5 4 3 2 1

6 7

5

Page 31: HBr Mass resolved  REMPI and Imaging  REMPI

How are the H+ ´s formed?

Page 32: HBr Mass resolved  REMPI and Imaging  REMPI

H* + Br (3/2)

Ry V/Ion-pair

[ 4P,5s ] 3P

H* + Br*(1/2)

[ B2S ]..

H + Br**(5s)

H+ + Br(3/2)

H+ + Br-

[22P]1S0,3P0

Page 33: HBr Mass resolved  REMPI and Imaging  REMPI

H* + Br (3/2)H+ + Br -

Ry V/Ion-pair

[ 4P,5s ] 3P

H* + Br*(1/2)

[22P]..

[ B2S ]..

H + Br**(5s)

H+ + Br (3/2)/Br*(1/2)

HBr+(v+)(3/2,1/2)

Page 34: HBr Mass resolved  REMPI and Imaging  REMPI

H* + Br (3/2)H+ + Br-

Ry V/Ion-pair

[ 4P,5s ] 3P

H* + Br*(1/2)

[22P]1S0,3P0[ B2S ]..

H + Br**(5s)

H+ + Br*(1/2)

Page 35: HBr Mass resolved  REMPI and Imaging  REMPI

H+ + Br-

Ry V/Ion-pair

HBr+(X2P)

HBr+(A2S+)

HBr***

[A2S+]..

Page 36: HBr Mass resolved  REMPI and Imaging  REMPI

In summary (?):

Ry V/Ion-pair

H+ + Br(3/2,1/2) H+ + Br*(1/2, 3/2)

….via HBr***/H+Br- (2+1) hn….via HBr+(v+) (2+2) hn….via H* + Br/Br* (2+2) hn

H+ + Br (3/2)/Br*(1/2)H+ + Br-

Page 37: HBr Mass resolved  REMPI and Imaging  REMPI

Imaging experiments / data

E(0):

Page 38: HBr Mass resolved  REMPI and Imaging  REMPI

HBr, E(v´=0), J´= 1

J´= 1,2,…….

Page 39: HBr Mass resolved  REMPI and Imaging  REMPI

4

3

2

1

0

2.52.01.51.00.50.0

At(wave1): 0.076328At(wave1): 0.076328At(wave1): 0.076328At(wave1): 0.07867A0(wave1): 0.092539At(wave1): 0.05684At(wave3): 0.064184At(wave1): 0.076328At(wave3): 0.075018At(wave5): 0.061072At(wave7): 0.049266At(wave9): 0.048207At(wave11): 0.046259At(wave13): 0.043698At(wave15): 0.051772At(wave17): 0.050678

J´= 10(?)

98

765

432

1

KER/eV

Page 40: HBr Mass resolved  REMPI and Imaging  REMPI

Signal predictions

Page 41: HBr Mass resolved  REMPI and Imaging  REMPI

H+ + Br(3/2,1/2) H+ + Br*(1/2, 3/2) ….via H* + Br/Br* (2+2) hn

Page 42: HBr Mass resolved  REMPI and Imaging  REMPI

H + Br

HBr

HBr**

HBr+ + e

H + Br**

H + Br+ + e

E

H+Br-

H* + Br*(1/2)H* + Br (3/2)

H+ + Br*(1/2)H+ + Br (3/2)

E(J´´)

3hn

D0(HBr)

E(H*)

KER(3/2) KER(1/2)

SO(Br*)

E(J´´)+3hn = D0(HBr) +E(H*)+KER(3/2) => KER(3/2)=3hn + E(J´´)–D0(HBr)-E(H*)E(J´´)+3hn = D0(HBr) +E(H*)+KER(3/2) + SO(Br*) => KER(1/2)=3hn + E(J´´)–D0(HBr)-E(H*)-SO(Br*)

Page 43: HBr Mass resolved  REMPI and Imaging  REMPI

KER(3/2)=3hn + E(J´´)–D0(HBr)-E(H*)KER(1/2)=3hn + E(J´´)–D0(HBr)-E(H*)-SO(Br*)

E(J´´) = B´´(J´´(J´´+ 1)) – D´´J´´2(J´´+ 1)2

H+ + Br(3/2,1/2) H+ + Br*(1/2, 3/2) ….via H* + Br/Br* (2+2) hn

….via HBr***/H+Br- (2+1) hnH+ + Br-

KER= 3hn + E(J´´) – D0(HBr) - IE(H) + EA(Br)

Page 44: HBr Mass resolved  REMPI and Imaging  REMPI

4

3

2

1

0

0.60.40.20.0

At(wave1): 0.076328At(wave1): 0.076328At(wave1): 0.076328At(wave1): 0.07867A0(wave1): 0.092539At(wave1): 0.05684At(wave3): 0.064184At(wave1): 0.076328At(wave3): 0.075018At(wave5): 0.061072At(wave7): 0.049266At(wave9): 0.048207At(wave11): 0.046259At(wave13): 0.043698At(wave15): 0.051772At(wave17): 0.050678 H+ + Br(3/2)H+ +

Br(1/2)

Predicted KER´sFor H+ + Br-

J´= 10

9

876

54

321

HBr, E(0):

KER/eV

Page 45: HBr Mass resolved  REMPI and Imaging  REMPI

KER(3/2)=3hn + E(J´´)–D0(HBr)-E(H*)KER(1/2)=3hn + E(J´´)–D0(HBr)-E(H*)-SO(Br*)

E(J´´) = B´´(J´´(J´´+ 1)) – D´´J´´2(J´´+ 1)2

H+ + Br(3/2,1/2) H+ + Br*(1/2, 3/2) ….via H* + Br/Br* (2+2) hn

H+ + Br (3/2)/Br*(1/2) ….via HBr+(3/2,v+)/HBr+(1/2,v+) (2+2) hn

….via HBr***/H+Br- (2+1) hnH+ + Br-

KER= 3hn + E(J´´) – D0(HBr) - IE(H) + EA(Br)

KER(3/2<- 3/2)= hn + IE(HBr+ (3/2)) + G0(HBr+ (3/2),v+) –D0(HBr) - IE(H)KER(1/2<- 3/2)= hn + IE(HBr+ (3/2)) + G0(HBr+ (3/2),v+) –D0(HBr) - IE(H)-SO(Br*)KER(3/2<- 1/2)= hn + IE(HBr+ (1/2)) + G0(HBr+ (1/2),v+) –D0(HBr) - IE(H)KER(1/2<- 1/2)= hn + IE(HBr+ (1/2)) + G0(HBr+ (1/2),v+) –D0(HBr) - IE(H)-SO(Br*) G0 (HBr+) = we(v++1/2) – wexe (v++1/2)2+weye (v++1/2)3

-(we(1/2) – wexe (1/2)2+weye (1/2)3)

Page 46: HBr Mass resolved  REMPI and Imaging  REMPI

4

3

2

1

0

2.52.01.51.00.50.0

At(wave1): 0.076328At(wave1): 0.076328At(wave1): 0.076328At(wave1): 0.07867A0(wave1): 0.092539At(wave1): 0.05684At(wave3): 0.064184At(wave1): 0.076328At(wave3): 0.075018At(wave5): 0.061072At(wave7): 0.049266At(wave9): 0.048207At(wave11): 0.046259At(wave13): 0.043698At(wave15): 0.051772At(wave17): 0.050678

Negligible shift of peaks

HBr, E(0):

H+ + Br(1/2)

H+ + Br(3/2)

H+ + Br (3/2)/Br*(1/2)

<- HBr+(3/2,v+)/HBr+*(1/2,v+)

KER/eV

Page 47: HBr Mass resolved  REMPI and Imaging  REMPI

1.0

0.8

0.6

0.4

0.2

0.0

2.52.01.51.00.50.0

v+= 8 9 10 11 12 13

v+= 9 10 11 12 13 14

v+= 6 7 8 9 10 11

v+= 9 10 11 12 13 14Br/Br* HBr+/HBr+*½ <- ½3/2 <- ½½ <- 3/23/2 <- 3/2

HBr, E(0), J´=1:

H+ + Br(1/2)

H+ + Br(3/2)

H+ + Br (3/2)/Br*(1/2)

<- HBr+(3/2,v+)/HBr+*(1/2,v+)

KER/eV

Agust,lab top,C:/…/E0-KER-131124a.pxp

Page 48: HBr Mass resolved  REMPI and Imaging  REMPI

Ry V/Ion-pair

H+ + Br(3/2,1/2) H+ + Br*(1/2, 3/2)

….via HBr***/H+Br- (2+1) hn….via HBr+(v+) (2+2) hn….via H* + Br/Br* (2+2) hn

H+ + Br (3/2)/Br*(1/2)H+ + Br-

Signal of Channel via Ion-pairSignal of Channel via Rydberg

vs. J´ measure of Rydberg-Ion-pair interactions vs. J´

Page 49: HBr Mass resolved  REMPI and Imaging  REMPI

1.0

0.8

0.6

0.4

0.2

0.0

2.52.01.51.00.50.0

v+= 8 9 10 11 12 13

v+= 9 10 11 12 13 14

v+= 6 7 8 9 10 11

v+= 9 10 11 12 13 14Br/Br* HBr+/HBr+*½ <- ½3/2 <- ½½ <- 3/23/2 <- 3/2

HBr, E(0):

H+ + Br(1/2)

H+ + Br(3/2)

H+ + Br (3/2)/Br*(1/2)

<- HBr+(3/2,v+)/HBr+*(1/2,v+)

Agust,lab top,C:/…/E0-KER-131124b.pxp (Gr1, Lay0)

KER/eV

Page 50: HBr Mass resolved  REMPI and Imaging  REMPI

0.25

0.20

0.15

0.10

0.05

0.00

8642

Agust,lab top,C:/…/E0-KER-131124c.pxp (Gr1, Lay0)

H+ + Br*(1/2, 3/2)<- H* + Br/Br*

H+ + Br(3/2,1/2)<- H* + Br/Br*

0.35

0.30

0.25

0.20

0.15

0.10

0.05

0.00

I(79

Br+

)/I(H

79B

r+)

0 1 2 3 4 5 6 7 8 9J'

0.35

0.30

0.25

0.20

0.15

0.10

0.05

0.00

Experimental data V(v'=m+4) V(v'=m+5)

Page 51: HBr Mass resolved  REMPI and Imaging  REMPI

0.75

0.70

0.65

0.60

0.55

0.50

8642 J´

H+ + Br (3/2)/Br*(1/2)<- HBr+(v+)

H+ + Br(3/2,1/2)<- H* + Br/Br*

Agust,lab top,C:/…/E0-KER-131124c.pxp (Gr1, Lay0)

0.35

0.30

0.25

0.20

0.15

0.10

0.05

0.00

I(79

Br+

)/I(H

79B

r+)

0 1 2 3 4 5 6 7 8 9J'

0.35

0.30

0.25

0.20

0.15

0.10

0.05

0.00

Experimental data V(v'=m+4) V(v'=m+5)

Page 52: HBr Mass resolved  REMPI and Imaging  REMPI

Ion-pair states

V(m+4) and V(m+5) spectra:

Page 53: HBr Mass resolved  REMPI and Imaging  REMPI

1.2

1.0

0.8

0.6

0.4

0.2

0.0

2.52.01.51.00.50.0

HBrJ´= 1

KER/eV

V(m+5)

E(0)

V(m+4)

Agust,lab top,C:/…/E0-KER-131125.pxp (Gr2, Lay3)

H+ + Br(1/2)

H+ + Br(3/2)

H+ + Br (3/2)/Br*(1/2)

<- HBr+(3/2,v+)/HBr+*(1/2,v+)

Br/Br* HBr+/HBr+*

½ <- ½3/2 <- ½½ <- 3/23/2 <- 3/2

v+= 10 11 12 13

v+= 9 10

Page 54: HBr Mass resolved  REMPI and Imaging  REMPI

0.4

0.3

0.2

0.1

0.0

78.678.478.278.0x10

3

H+ + Br*(1/2, 3/2)<- H* + Br/Br*

H+ + Br(3/2,1/2)<- H* + Br/Br*

2hn/cm-1

Agust,lab top,C:/…/E0-KER-131124d.pxp (Gr3, Lay3)

E(0)

V(m+4)

V(m+5)

J´= 1 2 3 4 5 6 7 8 9

J´= 012 3 4 5 6 7 8

J´= 0 1 2 3

Page 55: HBr Mass resolved  REMPI and Imaging  REMPI

H+ + Br*(1/2, 3/2)<- H* + Br/Br*

H+ + Br(3/2,1/2)<- H* + Br/Br*Larger for the V states than E(0)

Page 56: HBr Mass resolved  REMPI and Imaging  REMPI

0.4

0.3

0.2

0.1

0.0

78.678.478.278.0x10

3

H+ + Br*(1/2, 3/2)<- H* + Br/Br*

H+ + Br(3/2,1/2)<- H* + Br/Br*

2hn/cm-1

Agust,lab top,C:/…/E0-KER-131124d.pxp (Gr3, Lay3)

E(0)

V(m+4)

V(m+5)

J´= 1 2 3 4 5 6 7 8 9

J´= 012 3 4 5 6 7 8

J´= 0 1 2 3

Page 57: HBr Mass resolved  REMPI and Imaging  REMPI

H+ angular distributions:

Page 58: HBr Mass resolved  REMPI and Imaging  REMPI

H++Br(1/2)

H++Br(3/2)

H++Br(1/2) || || || (^)H++Br(3/2) ^^^

H++Br(1/2) ^ ^^H++Br(3/2) ^,||^,||^,||

Page 59: HBr Mass resolved  REMPI and Imaging  REMPI

H++Br(1/2) ^ ^^H++Br(3/2) ^,||||||

H++Br(1/2)

H++Br(3/2)

J´ 1 2 3 4 5 6 7 8 9

H++Br(1/2) || || ||,^ ^ ^ ^ ^ ^ ^

H++Br(3/2) ^ ^ ^ ^,|| ^,|| ^,|| ^,|| || ||

Page 60: HBr Mass resolved  REMPI and Imaging  REMPI

H* + Br (3/2)

E1S+ V/1S+

[ 4P,5s ] 3P

H* + Br*(1/2)

[ B2S ]..

H + Br**(5s)

H+ + Br(3/2)

H+ + Br-

[22P]1S0,3P0

Page 61: HBr Mass resolved  REMPI and Imaging  REMPI

H* + Br (3/2)H+ + Br-

[ 4P,5s ] 3P

H* + Br*(1/2)

[22P]1S0,3P0[ B2S ]..

H + Br**(5s)

H+ + Br*(1/2)

E1S+ V/1S+

Page 62: HBr Mass resolved  REMPI and Imaging  REMPI

Br+ images

a)HBr Molecular resonancesb)Br atom resonances

Page 63: HBr Mass resolved  REMPI and Imaging  REMPI

H + Br/Br*

r(HX)J´´ v´´= 0

HX

HX**

HX+ + e

J´ v´

H + X**

H + X+ + e

J+ v+

E

H+X- /Ion-pair/V

v´,J´

a) HBr Molecular resonances

3hn: X+ <- H + X**

2hn: X+ <-<-<- H+ Br/Br*

1hn: X+ <-<-<- H+ Br/Br*

KER´s

Page 64: HBr Mass resolved  REMPI and Imaging  REMPI

Max:

KER(81Br)eV

0,0351970,03524

0,0353070,0353960,0355090,0356440,035801

0,035980,0361770,036403

81Br KER 81Br KERKER(Br(3/2)) KER(Br(1/2))eV eV

0,013269482 0,0076973880,013317537 0,0077454430,013390194 0,00781810,013487191 0,0079150970,013608705 0,0080366120,013754375 0,008182282

0,01392428 0,0083521860,014117805 0,0085457110,014334023 0,008761930,014576229 0,009004135

81Br KER 81Br KERKER(Br(3/2)) KER(Br(1/2))eV eV

0,072191331 0,0666192370,072236967 0,066664873

0,0723066 0,0667345060,072399741 0,0668276470,072516795 0,0669447010,072657098 0,0670850040,072820878 0,0672487850,073006995 0,0674349010,073213688 0,0676415940,073447652 0,067875558

123456789

10

HBr, E(0); Br+ KER´s

1hn 2hn 3hn

„blob“!

Page 65: HBr Mass resolved  REMPI and Imaging  REMPI

H + X/X*

r(HX)J´´ v´´= 0

HX

HX**

HX+ + e

J´ v´

H + X**

H + X+ + e

J+ v+

E

H+X- /Ion-pair/V

v´,J´

a) Br atom resonances

X+ + e

X**

X/X*

Only „1hn channel“ observed

Page 66: HBr Mass resolved  REMPI and Imaging  REMPI

HBr „near-resonance“ interactions:Exp. 3 & 4 (?):

Page 67: HBr Mass resolved  REMPI and Imaging  REMPI

Alternative HBr experiments(3 & 4):

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

Page 68: HBr Mass resolved  REMPI and Imaging  REMPI

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

Page 69: HBr Mass resolved  REMPI and Imaging  REMPI

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

O Q S

Page 70: HBr Mass resolved  REMPI and Imaging  REMPI

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

Page 71: HBr Mass resolved  REMPI and Imaging  REMPI

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

Page 72: HBr Mass resolved  REMPI and Imaging  REMPI

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