![Page 1: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/1.jpg)
Plots from RCNP UCN Run
(April 20-25, 2010)
![Page 2: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/2.jpg)
EDM Set-up SchematicH0
(RF) H1
Spin Flipper
RF Coil
Spherical Coil
Cell Valve
EDM Cell
Magnetized Foil
Rotary Valve(2-way)
UCN Valve
UCN Detector
Spin Precessor
![Page 3: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/3.jpg)
UCN Storage Time in EDM Cell
UCN Yield vs Delay-time (before opening cell valve)
![Page 4: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/4.jpg)
Spin-Flipper Optimization
(Find optimal amplitude for Spin Flipper B-field)
Flipping Asymmetry vs B-field Amplitude
![Page 5: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/5.jpg)
Polarization Lifetimes (T1)
“Flipping Asymmetry” as a function of Holding Time
UCN-Yield Time Spectra (-100mG)
![Page 6: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/6.jpg)
Polarization Lifetimes (T1)
“Flipping Asymmetry” as a function of Holding Time
UCN-Yield Time Spectra (-10mG)
![Page 7: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/7.jpg)
Scan for Resonant Frequency at -100 mG
UCN-Yield versus RF Frequency of H1 field
“Single Shot” pulse
![Page 8: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/8.jpg)
Scan for Resonant Frequency at -100 mG
UCN-Yield versus RF Frequency of H1 field
Blue: H1 ~ 1 mGRed: H1 ~ 10 mG
“Single Shot” pulse
![Page 9: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/9.jpg)
Optimizing Amplitude (H1) for RF coil
UCN-Yield versus Amplitude of H1 Field
“Single Shot” pulse
![Page 10: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/10.jpg)
Ramsey Resonance Scan (-100 mG, Tc=1s)
Ramsey Frequency Scan (H0~ -100mG, TC~1s, H1~1mG, ~100ms)
![Page 11: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/11.jpg)
Aside#1: Definition of ParametersRamsey Frequency Scan
H0 Holding Field (vertical)H1 Amplitude of RF Field (horizontal) Duration of RF pulse [want = H1]TC Time between ( RF pulses
TCH1
![Page 12: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/12.jpg)
Aside#2: “Visibility”Ramsey Frequency Scan
“Visibility” ~ Ampl. Of Fringe/Ampl of Envelope (AF / AE )
Ideally (AF / AE ) ~ 1
AFAE
![Page 13: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/13.jpg)
Ramsey Resonance Scan (-100 mG, Tc=1s)
Ramsey Frequency Scan (H0~ -100mG, TC~1s, H1~1mG, ~100ms)
![Page 14: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/14.jpg)
Ramsey Resonance Scan (-100 mG, Tc=5s)
Ramsey Frequency Scan (H0~ -100mG, TC~5s, H1~1mG, ~100ms)
![Page 15: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/15.jpg)
Ramsey Resonance Scan (-100 mG, Tc=10s)
Ramsey Frequency Scan (H0~ -100mG, TC~10s, H1~1mG, ~100ms)
![Page 16: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/16.jpg)
Visibility Study of Ramsey Scans
Ramsey Oscillation Amplitude vs TC (Precession Time)
![Page 17: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/17.jpg)
Ramsey Resonance Scan (-100 mG, Tc=1s)H1 is 10 times smaller
Ramsey Frequency Scan (H0~ -100mG, TC~1s, H1~0.1mG, ~1s)
![Page 18: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/18.jpg)
Ramsey Resonance Scan (-100 mG, Tc=1s)H1 10 times smaller
Ramsey Frequency Scan (H0~ -100mG, TC~1s, H1~0.1mG, ~1s)
![Page 19: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/19.jpg)
Scan for Resonant Frequency at -50 mG
UCN-Yield versus RF Frequency of H1 field
“Single Shot” pulse
![Page 20: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/20.jpg)
Scan for Resonant Frequency at -10 mG
UCN-Yield versus RF Frequency of H1 field
“Single Shot” pulse
![Page 21: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/21.jpg)
Scan for Resonant Frequency at +10 mG
UCN-Yield versus RF Frequency of H1 field
“Single Shot” pulse
![Page 22: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/22.jpg)
Polarization Lifetime (T1) at low H0 Fields
Flipping Asymmetry vs Holding Time (at 10mG)
![Page 23: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/23.jpg)
Scan for Resonant Frequency at +50 mG
UCN-Yield versus RF Frequency of H1 field
“Single Shot” pulse
![Page 24: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/24.jpg)
Scan for Resonant Frequency at -20 mG
UCN-Yield versus RF Frequency of H1 field
“Single Shot” pulse
![Page 25: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/25.jpg)
Flipping Asymmetry vs H0 (Main Holding Field)
Scan for Optimal H0 (where T1 is still reasonable)
Flipping Asymmetry vs H0 Field
-20 mG still looks OK
![Page 26: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/26.jpg)
(B/z) Trim Coil study
TC vs Trim Current
Ramsey Frequency Scan (Trim~0.035A, TC~1s)
![Page 27: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/27.jpg)
(B/z) Trim Coil study
TC vs Trim Current
Ramsey Frequency Scan (Trim~0.035A, TC~10s)
![Page 28: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/28.jpg)
(B/z) Trim Coil study
TC vs Trim Current
Ramsey Frequency Scan (Trim~0.035A, TC~3s)
![Page 29: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/29.jpg)
(B/z) Trim Coil study
Trim Current comparison TC ~3s
Ramsey Frequency Scan (TC~3s)
Better Results with Trim Coil OFF !!
![Page 30: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/30.jpg)
Ramsey Resonance Scan (-20 mG, Tc=3s)
Ramsey Frequency Scan (H0~ -20mG, TC~3s, H1~0.33mG, ~300ms)
![Page 31: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/31.jpg)
Ramsey Resonance Scan (-20 mG, Tc=10s)
Ramsey Frequency Scan (H0~ -20mG, TC~10s, H1~0.1mG, ~1s)
![Page 32: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/32.jpg)
Ramsey Resonance Scan (-20 mG, Tc=20s)
Ramsey Frequency Scan (H0~ -20mG, TC~20s, H1~0.05mG, ~2s)
![Page 33: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/33.jpg)
Optimizing Amplitude (H1) for RF coil
UCN-Yield versus Amplitude of H1 Field
![Page 34: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/34.jpg)
Ramsey Resonance Scan (-20 mG, Tc=30s)
Ramsey Frequency Scan (H0~ -20mG, TC~30s, H1~0.1mG, ~1s)
![Page 35: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/35.jpg)
Ramsey Resonance Scan (-20 mG, Tc=30s)
Ramsey Frequency Scan (H0~ -20mG, TC~30s, H1~0.1mG, ~1s)
“ZOOMED IN”
![Page 36: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/36.jpg)
Ramsey Resonance Scan (-20 mG, Tc=50s)
Ramsey Freq. Scan (H0~ -20mG, TC~50s, H1~0.1mG, ~1s)
“Zoomed In”(any fringes?)(BG subtraction?)
“Zoomed Out”(baseline, amplitude?)
![Page 37: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/37.jpg)
Ramsey Resonance Scan (-20 mG, Tc=40s)
Ramsey Freq. Scan (H0~ -20mG, TC~40s, H1~0.1mG, ~1s)
“Zoomed In”(any fringes?)(BG subtraction?)
“Zoomed Out”(baseline, amplitude?)
![Page 38: Plots from RCNP UCN Run (April 20-25, 2010). EDM Set-up Schematic H0H0 (RF) H 1 Spin Flipper RF Coil Spherical Coil Cell Valve EDM Cell Magnetized Foil](https://reader036.vdocuments.net/reader036/viewer/2022062409/5697bf841a28abf838c86a6e/html5/thumbnails/38.jpg)
Polarization Lifetime (T1) at H0~ -20mG
Flipping Asymmetry vs Holding Time
These points should be decreasing, if anything.(BG subtraction needed? Also, Stats getting worse as Holding Time UCN Storage Time)