Research Notes III, 1950

1+x2	x	.99	(1+x)3/2	normalized
1.04	0.2	0.195 0.189	1.06	3.7 9.75 9.3
	0.3	0.263	1.25	6.1 15.9 15.7
1.16	0.4	0.320	1.58	18.9 18.7
1.36	0.6	0.380
	0.707	0.386	2.09	19 19.0
1.64	0.8	0.381
2.00	1.0	0.356	2.81	17.7 18.8
2.44	1.2	0.316	3.80	15.7 17.5
2.96	1.4	0.275	5.08	13.7 15.6
3.56	1.6	0.238	6.70	11.9 13.5
4.24	1.8	0.208	8.66	10.1 10.2
5.00	2.0	0.180	11.10	9.05 8.9

γ2T1T2H12 = 0.64 0.50	H1=0.09 G	γT1 = 0.50/γT2
γ2T1T2 = 0.64/0.01 = 64 0.50/0.89 =	γT1/γT2 = 0.50 (W/H)² = 0.50(0.2/0.09)² x 3 = 6

x = 8H₁ [note above 8: 7.85]

	x	x	H1
H1 = 0.02	0.16	0.2	0.016 0.0255
0.04	0.32	0.4	0.05 0.051
0.06	0.48	0.6	0.0715 0.0765
0.08	0.64	0.8	0.10 0.0274 0.102
0.1	0.80	1.0	0.125 0.1591 0.1274
0.12	0.96	1.2	0.15 0.153
0.14	1.12	1.4	0.175 0.1783
0.16	1.28	1.6	0.20 [0.255] 0.204
0.18	1.44	1.8	0.225 0.229
0.20	1.60	2.0	0.255

Saturation experiement on D² resonance in 0.56 M D in 3.9 M Mn Cl₂ H_s = 0.085 G

No. of cells	Signal amplitude
1/2	22.2 ± 2.8
1	49.7 ± 0.5
1 1/2	69.4 ± 6.7
2	91.8 ± 4.0
2 1/2	88.5 ± 6.3
3	81.6 ± 0.6
3 1/2	75. 8 ± 3.6
4	62.2 ± 3.8

Max occurs at H₁=0.15 G

x	H₁	dv/dH
0.2	0.043	67.5
0.4	0.085	114.3
0.6	0.127	136
0.8	0.170	136
1.0	0.223	127
1.2	0.256	113
1.4	0.298	98
1.6	0.340	85

11/9/50 -- γT₂H₁ υ = ---------------------------------- M₀ 1+(T₂∆w)²+γ²H₁²T₁T₂

dυ dυ 2γ²T₂³H₁∆w ----- = ----- ⋅ γ = ------------------------------------ M₀ dH₂ d(∆w) [1+γ²H₁²T₁T₂ + (T₂∆w²)]²

dυ 3√3 γ²T₂²H₁ ( ----- ) = ----- ----------------------------- M₀ dH max 8 [1+γ²H₁²T₁T₂]³/²

1 1 a + ∆w = ---- ---- √(1+γ²H₁²T₁T₂) √3 T₂

dυ 3√3 H₁Hₛ 1 SIGNAL RECORDED = Hₛ ( ----- ) = ----- M₀ ------------- ------------------------ dH max 2 (width)² √(1+γ²H₁²T₁T₂)

M₀ ~ n γ w²₀ 1 H₁Hₛ ~ I(It₁) n γ w²₀ ----------------------- -------- √(1+γ²H₁²T₁T₂) (width)²

Comparing two signal at same w₀ 8Hₛ width = ∆H

Iₐ(Iₐ+1)nₐγₐH₁ₐ √(1+γ²H₁²T₁T₂) -------------------- ---------------------- ( ---------

11/9/50 The magnitutde & width of 0 (SUPERSCRIPT) 17 resonance & of O (SUPERSCRIPT)2 resonance was measured at the same fielf with the results:

O(SUPERSCRIPT) 17 H= 26.8 +_ 1.9 W = 17.2 +_ 2.6 mm H(SUB)1 = 0.089

Rate 664 mm/10KC

D(SUPERSCRIPT)2 H= 35.0 +_ 1.9 W= 22.3 +_3.0 mm H(SUB)1 = 0.022

573.5 mm/10KC 22% Ratio of w(SUPERSCIPT)2 H= 0.455

I + 2.8 +_ 0.43 I (IH) + 10.8 +_ 2.4

(Stricken out): Corrected for he different rate at 5.80 & 660 Mc I (I+1) = (35.6 +_ 7.9)/4 I = 2.53+_

(Back to Normal text) Corrected for the different rate at 5.80 Mc & 6.67 Mc I (I+1) = 10.36 +_ 2.3 I = 2.76 +- 0.36

11/13/50

The magnitude & width of O¹⁷ resonance & of H resonance was measured at different field & frequency with the results:

O17	Height = 29.3 ± 2.3	H1 = 0.089 G	.0253 G/mm
Rate 1373 mm/20 KC	w = 14.5 ± 2.0 mm	w = 0.366 G
H1	Height = 18.9 ± 0.76		.0322 G/mm
attenuated to 1/500 Rate 292.5 mm/40 KC	w = 14.4 ± 0.75	w = 0.464 G