Emission spectra from ArXe, ArKr, ArN2, ArCH4, ArCO2 and XeN2 gas scintillation proportional counters

Emission spectra from ArXe, ArKr, ArN2, ArCH4, ArCO2 and XeN2 gas scintillation proportional counters
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ArXe、ArKr、ArN2、ArCH4、ArCO2 和 XeN2 气体闪烁正比计数器的发射光谱

DOI:
10.1016/0167-5087(83)90028-5
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发表时间:
1983
期刊:
Nuclear Instruments and Methods in Physics Research
影响因子:
--
通讯作者:
S. Kubota
S. Kubota
中科院分区:
--
文献类型:
--
作者:
Tetsuhiko Takahashi;S. Himi;Masayo Suzuki;J. Ruan;S. Kubota

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对于标题中提到的气体混合物,在约760 Torr的氩气或氙气压力下,从110-650 nm波长范围内测量了气体闪烁比例计数器的发射光谱。在氩(128 nm)、氪(148 nm)和氙(171 nm)波长处,出现了第二连续光谱,fwhm约为10 nm。当加入Kr(0.2 Torr)、Xe(0.1 Torr)、N/sub 2/(10 Torr)、CH/sub 4/(1 Torr)或CO/sub 2/(0.1 Torr)时,Ar*/sub 2/的第二连续谱几乎淬灭。从Ar*/sub 2/和/或Ar*态转移能量的发射主要发生在145 ~ 190 nm的xe掺杂物、125 ~ 155 nm的kr掺杂物和330 ~ 370 nm的N/sub 2/掺杂物。Ar-CH/sub - 4/、Ar-CH/sub - 4/和Xe-N/sub - 2/混合气体在可见光区域没有观测到光子。
Emission spectra from gas scintillation proportional counters have been measured from the wavelength region of 110-650 nm for the gas mixtures mentioned in the title for argon or xenon pressures of about 760 Torr. The spectra showed a second continuum emission with fwhm of about 10 nm at wavelengths of 128 nm for argon, 148 nm for krypton and 171 nm for xenon. The second continuum spectrum from Ar*/sub 2/ was almost quenched with an addition of Kr(0.2 Torr), Xe(0.1 Torr), N/sub 2/(10 Torr), CH/sub 4/(1 Torr), or CO/sub 2/(0.1 Torr). Emission resulting in energy transfer from Ar*/sub 2/ and/or Ar* states is observed mainly in the wavelength region of 145-190 nm for Xe-admixture, 125-155 nm for Kr-admixture and 330-370 nm for N/sub 2/ admixture. No photons are observed in the visible wavelength region for Ar-CH/sub 4/, Ar-CH/sub 4/ and Xe-N/sub 2/ gas mixtures.