50 MeV

Configuration: good_20250123_17_53_01 "Working Point at 50 MeV for X_rays"

After RCDS optimization with X-rays good_20250124_15_05_25 "Updated WP with RCDS on X-rays 50 MeV "

Update from 14/02/2025 => Configuration: good_20250214_14_21_55 "50 MeV WP 120 um"

RF Frequency: 500.10045 MHz (33.XXXX MHz)

Vertical size of the interation region: 124 um =>laser beam size: 75 um (assumed); electron beam size : 99 um

Beam orbit:

BPM around IP

BPM3 ri-c1/dg/bpm.04-lib.03: x= 0.6 mm y = -2.87 mm

BPM4 ri-c1/dg/bpm.05-lib.04: x= 0.5 mm y = -2.96 mm

After RCDS

BPM3 ri-c1/dg/bpm.04-lib.03: x= 0.6 mm y = -0.18 mm

BPM4 ri-c1/dg/bpm.05-lib.04: x= 0.3 mm y = 1.88 mm

RF gun 231 deg. Sect. Att. set to 2.43 dB, Sect. phase is 209 dg. TL/DP current set to 159.3 A, Linac steerers H [1.16 -3.2], V [-2.25 2.86] ; TL BPM2 x =  mm

Run with FPC P= 89 kW

X-ray intensity (synchronized mode): max 50000 pA ~2-3x10^10 ph/s

61.5 MeV

Configuration: good_20250214_16_29_22 "61.5 WP 177 um"

RF Frequency: 500.04545 MHz (33.XXXX MHz)

70 MeV

RF Frequency: 500.03165 MHz (33.XXXX MHz)

Att 0.3 dB

40 MeV

40 MeV. Sect. Att. set to 4.095 dB, Sect. phase is 205 dg. TL/DP current set to 125.38 A, Linac steerers H [1.19 -3.25], V [-3.05 3.47]

TL BPM 20= -2 mm

RF cavity 50 kV, Freq=500.11896 MHz

RF Frequency: 500.11851 MHz (33.341230 MHz)

Vert FPC scan : IP region 0.199 um

X ray flux asynch I3 ~ 370 pA (background level 310-315 pA)

43.7 MeV

RF gun 162 deg. Sect. Att. set to 3.51 dB, Sect. phase is 210 dg. TL/DP current set to 136.95 A, Linac steerers H [0.44 -2.77], V [-2.36 2.87]

TL BPM 20= -1.5 mm

RF Frequency: 500.1189 MHz

35 MeV

RF gun 162 deg. Sect. Att. set to 4.98 dB, Sect. phase is 202 dg. TL/DP current set to 111.3 A, Linac steerers H [], V []

TL BPM 20= -1.5 mm

RF Frequency: 500.1189 MHz