How can the noise level of a photomultiplier detector be reduced below the level of shot noise? a. It can't b. Use a solid-state detector instead of a vacuum photomultiplier c. Cool the detector using liquid nitrogen d. Use a double-beam instrument for background subtraction
How can the noise level of a photomultiplier detector be reduced below the level of shot noise? a. It can't b. Use a solid-state detector instead of a vacuum photomultiplier c. Cool the detector using liquid nitrogen d. Use a double-beam instrument for background subtraction
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![How can the noise level of a photomultiplier
detector be reduced below the level of shot
noise?
a. It can't
b. Use a solid-state detector instead of a
vacuum photomultiplier
c. Cool the detector using liquid nitrogen
d. Use a double-beam instrument for
background subtraction](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fddfe5df7-9b30-4fcf-8c2e-d124b3eb750e%2Fb813c0b0-b161-483a-b47a-c26a4383a565%2Fyq9x3ro_processed.jpeg&w=3840&q=75)
Transcribed Image Text:How can the noise level of a photomultiplier
detector be reduced below the level of shot
noise?
a. It can't
b. Use a solid-state detector instead of a
vacuum photomultiplier
c. Cool the detector using liquid nitrogen
d. Use a double-beam instrument for
background subtraction
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