p45_010

# p45_010 - mentum: r = mv | q | B = p eB where we use the...

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10. (a) In SI units, K = (2200 MeV)(1 . 6 × 10 13 J / MeV) = 3 . 52 × 10 10 J. Similarly, mc 2 =2 . 85 × 10 10 J for the positive tau. Eq. 38-51 leads to the relativistic momentum: p = 1 c p K 2 +2 Kmc 2 = 1 2 . 998 × 10 8 q (3 . 52 × 10 10 ) 2 +2(3 . 52 × 10 10 )(2 . 85 × 10 10 ) which yields p =1 . 90 × 10 18 kg · m / s. (b) According to problem 46 in Chapter 38, the radius should be calculated with the relativistic mo-
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Unformatted text preview: mentum: r = mv | q | B = p eB where we use the fact that the positive tau has charge e = 1 . 6 10 19 C. With B = 1 . 20 T, this yields r = 9 . 9 m....
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## This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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