Progress on HPPS optics J. Alabau-Gonzalvo 131210 Dispersion - - PowerPoint PPT Presentation

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Progress on HPPS optics J. Alabau-Gonzalvo 131210 Dispersion - - PowerPoint PPT Presentation

Sep 03, 2022 379 likes •497 views

Progress on HPPS optics J. Alabau-Gonzalvo 131210 Dispersion contribution underestimated + 4mm (pipe) + 2mm (orbit errors) How to ameliorate this? Lower dispersion Hard due to arc constraints Lower energy spread From 9e-3 to 6.64e-3 Lower

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SLIDE 1

Progress on HPPS optics

  • J. Alabau-Gonzalvo

131210

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SLIDE 2

+ 4mm (pipe) + 2mm (orbit errors)

Dispersion contribution underestimated

Radius at QH2 near 120mm

How to ameliorate this? Lower dispersion Hard due to arc constraints Lower energy spread From 9e-3 to 6.64e-3 Lower horizontal emittance From 15um.rad to 8um.rad Laslett detuning limit -0.25

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SLIDE 3

FOIL INJECTION

g_trans = 12.48i Qx = 13.23 Qy = 9.23

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FOIL INJECTION

50 GeV Ex = 8 um.rad Ey = 15 um.rad 75 GeV Ex = 5 um.rad Ey = 9 um.rad

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SLIDE 5

Name Length[m] R[mm] Bpt [T] QH3 2 57

  • 0.92

QH1 1.5 58

  • 0.64

MQFS1 2 57

  • 0.46

MQFS2 2 51

  • 0.25

MQDS2 2 53 0.19 QH2 1.5 93 1.15 MQDS1 2 53 0.70 QH4 2 62 1.03 Name Length[m] R[mm] Bpt [T] QH3 2 62

  • 1.01

QH1

  • 0.51

MQFS1

  • 0.51

MQFS2

  • 0.31

MQDS2 0.22 QH2 93 0.86 MQDS1 62 0.83 QH4 1.03 DIPOLE 3.76 89(h) 2.1 54 (v)

FOIL INJECTION 50 GeV

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SLIDE 6

Name Length[m] R[mm] Bpt [T] QH3 2 45

  • 1.09

QH1 1.5 52

  • 0.86

MQFS1 2 45

  • 0.55

MQFS2 2 40

  • 0.30

MQDS2 2 42 0.22 QH2 1.5 85 1.57 MQDS1 2 43 0.87 QH4 2 58 1.46 Name Length[m] R[mm] Bpt [T] QH3 2 58

  • 1.41

QH1

  • 0.72

MQFS1

  • 0.71

MQFS2

  • 0.44

MQDS2 0.31 QH2 85 1.18 MQDS1 58 1.16 QH4 1.46 DIPOLE 3.76 81 (h) 3.1 43 (v)

FOIL INJECTION 75 GeV

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SLIDE 7

LASER INJECTION

g_trans = 12.86i Qx = 13.27 Qy = 10.27

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SLIDE 8

LASER INJECTION

50 GeV Ex = 8 um.rad Ey = 15 um.rad 75 GeV Ex = 5 um.rad Ey = 9 um.rad

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SLIDE 9

Name Length[m] R[mm] Bpt [T] QH3 2 59

  • 0.97

QH1 1.5 55

  • 0.63

MQFS1 2 49

  • 0.63

MQFS2 2 51

  • 0.49

MQDS2 2 49 0.20 QH2 1.5 92 1.14 MQDS1 2 58 1.11 QH4 2 62 1.02 Name Length[m] R[mm] Bpt [T] QH3 2 62

  • 1.01

QH1

  • 0.53

MQFS1

  • 0.79

MQFS2

  • 0.60

MQDS2 0.24 QH2 92 0.85 MQDS1 62 1.20 QH4 1.03 DIPOLE 3.76 87(h) 2.1 55 (v)

LASER INJECTION 50 GeV

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SLIDE 10

Name Length[m] R[mm] Bpt [T] QH3 2 47

  • 1.14

QH1 1.5 51

  • 0.86

MQFS1 2 39

  • 0.75

MQFS2 2 40

  • 0.58

MQDS2 2 39 0.23 QH2 1.5 83 1.55 MQDS1 2 47 1.36 QH4 2 58 1.44 Name Length[m] R[mm] Bpt [T] QH3 2 58

  • 1.42

QH1

  • 0.74

MQFS1

  • 1.11

MQFS2

  • 0.84

MQDS2 0.34 QH2 83 1.16 MQDS1 58 1.68 QH4 1.44 DIPOLE 3.76 79(h) 2.1 44 (v)

LASER INJECTION 75 GeV