October 09, 2011, at 11:17 AM by 107.18.29.238 -

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April 25, 2011, at 08:55 PM by 24.78.131.175 -

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The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers away electrons (and other charged particles) with the wrong energy (i.e inelastically scattered electrons), so that they don't hit the detectors

to:

The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers away electrons (and other charged particles) with the wrong energy (i.e inelastically scattered electrons), so that they don't hit the detectors, which reduces what we refer to as background.

April 25, 2011, at 08:54 PM by 24.78.131.175 -

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The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers away electrons (and other charged particles) with the wrong energy (i.e inelastically scattered electrons)

to:

The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers away electrons (and other charged particles) with the wrong energy (i.e inelastically scattered electrons), so that they don't hit the detectors

April 25, 2011, at 08:54 PM by 24.78.131.175 -

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The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers electrons (and other charged particles) with the wrong energy (i.e inelastically scattered electrons) away

to:

The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers away electrons (and other charged particles) with the wrong energy (i.e inelastically scattered electrons)

April 25, 2011, at 08:53 PM by 24.78.131.175 -

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The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers electrons (and other charged particles) with the wrong energy (i.e inelastically scattered electrons)

to:

The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers electrons (and other charged particles) with the wrong energy (i.e inelastically scattered electrons) away

April 25, 2011, at 08:51 PM by 24.78.131.175 -

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The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers electrons (and other charged particles) with the wrong energy (inelastically scattered electrons)

to:

The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers electrons (and other charged particles) with the wrong energy (i.e inelastically scattered electrons)

April 25, 2011, at 08:50 PM by 24.78.131.175 -

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The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers electrons (and other charged particles)

to:

The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers electrons (and other charged particles) with the wrong energy (inelastically scattered electrons)

April 25, 2011, at 08:49 PM by 24.78.131.175 -

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The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors.

to:

The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors. In doing so, the spectrometer also steers electrons (and other charged particles)

April 25, 2011, at 08:46 PM by 24.78.131.175 -

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The purpose of the spectrometer is to focus those electrons that are elastically scattered at the desired angles (as selected by a set of collimators) onto the main electron detectors.

April 25, 2011, at 08:39 PM by 24.78.131.175 -

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The Q^P_weak is an eight-sector, water cooled, toroidal magnet with eight 4.3 meter long and 1.5 meter wide racetrack copper coils.

Each coil weighs about 3300 kg.

The maximum operating current for the spectrometer is 9500 Amperes, requiring 1.5 MW of power.

The normal operating current when running with liquid hydrogen is 8921 Amperes.

Attach:Spectrometer.jpg Δ \\

to:

The Q^P_weak spectrometer is an eight-sector, water cooled, toroidal magnet with eight 4.3 meter long and 1.5 meter wide racetrack copper coils.

Each coil weighs about 3300 kg.

The maximum operating current for the spectrometer is 9500 Amperes, requiring 1.5 MW of power.

The normal operating current when running with liquid hydrogen is 8921 Amperes.

Attach:Spectrometer.jpg Δ \\

April 25, 2011, at 08:38 PM by 24.78.131.175 -

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For more information see:

Article 1 and references within

Article 2 and references within

Or the ever popular wikipedia

Also: Nobel Prize for the Cherenkov effect

April 25, 2011, at 08:34 PM by 24.78.131.175 -

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Spectrometer

to:

The Q^P_weak Spectrometer:

The Q^P_weak is an eight-sector, water cooled, toroidal magnet with eight 4.3 meter long and 1.5 meter wide racetrack copper coils.

Each coil weighs about 3300 kg.

The maximum operating current for the spectrometer is 9500 Amperes, requiring 1.5 MW of power.

The normal operating current when running with liquid hydrogen is 8921 Amperes.

Attach:Spectrometer.jpg Δ

For more information see:

Article 1 and references within

Article 2 and references within

Or the ever popular wikipedia

Also: Nobel Prize for the Cherenkov effect

February 25, 2010, at 01:11 PM by 130.179.72.227 -

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Spectrometer

Qweak.Spectrometer History

For more information see:

The QPweak Spectrometer:

For more information see:

The Q^P_weak Spectrometer: