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方針 (2009/01/08 by 内山)

Requirements

Discussion on KEK measurements

Measured Q values

Temperature

Torsion Mode

Pendulum Mode

Dilution factor

expected intrinsic Q

300 K

20

470

4.3e-2

28 = 470 * 6.0e-2

77 K

---

5900

350 = 5900 * 6.0e-2

4 K

---

7000

420 = 7000 * 6.0e-2

Setup

2009-07-21 (T. Suzuki)

alt

2009-07-16 (D. Tatsumi)

alt

2009-07-15 (D. Tatsumi)

alt

2009-07-14 (D. Tatsumi)

alt

2009-07-09 (T. Suzuki)

2009-06-25 (T. Suzuki)

2009-03-13 (T. Suzuki)

材質

Diameter (mm)

破断力 (N)

破断応力

Nilaco 5N Al

0.5

16.5N, 16.4N

42MPa

ダイニーマ(高張力ポリエチレン) 

0.01

 

8.5GPa

カーボンワイアー 

0.01mm 

5.0GPa

W 

0.03mm 

3.2GPa

Be Cu 

0.09mm 

860MPa

Super Invar 

0.1mm 

1.2GPa

ヤニ入りハンダ 

0.8mm 

24MPa

CLIO/Tasks/AlWireQ (last edited 2009-08-27 18:03:35 by whitehole)