Polarity of the MERIT Magnet H. Kirk (Feb 7, 2008) Update 12 Feb: The CERN power supply group claims that the RED lead of the magnet was + (as per usual.

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Presentation transcript:

Polarity of the MERIT Magnet H. Kirk (Feb 7, 2008) Update 12 Feb: The CERN power supply group claims that the RED lead of the magnet was + (as per usual convention)  Magnet field pointed upbeam.  Proton beam deflected to right (facing downbeam).

Normalizing the Gaussmeter B = 2 Gauss N S Use of the nTOF dipole residual field to determine correct polaritiy This is the correct orientation to bend protons to the right

Results BlueRed Positive Voltage here yields solenoid field pointing downstream of incoming beam direction

Calculated Proton Beam Trajectory Positive particle with Positive Pz and Py and Positive B-field is bent left