Corrections to SECOND REVISION of

 Volume 2 of

Student Friendly Quantum Field Theory:

The Standard Model

 

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Significant Corrections (may impact learning process)

 

 

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Chap

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Significant Correction

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228

7

Aug 23, 2025

Pedagogic clarification (7-87), first term after the first equal sign, with similar things elsewhere in the chapter: One might think for the T matrix, the second subscript perhaps should be written as nu_l instead of l. That would be correct. However, we sum on the nu_l subscript of T with the l subscript of Udagger, for l = 1,2,3 (or e, mu, tau). But this just means we are post multiplying the T matrix by the Udagger matrix. So, to make that clear, we use the index l on both T and Udagger, as that implies, by the Einstein convention, that we are summing.

We do this sort of thing in several places in the text, so hopefully this note will help avoid any confusion.

Albert Clement

251

7

Aug 23, 2025

(7-147), first two terms after the equal sign: Delete the g_nu_l factors. g_nu_l has already been enveloped as part of the M matrix.

Albert Clement

301

9

Sept 10, 2025

1st line after (9-13): delete everything from “and” to “=0,”.

Albert Clement

309

9

Sept 10, 2025

2nd line of both (9-56) and (9-58): delete minus signs after the equal signs. 2 places in each equation.

Albert Clement

 

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Minor Corrections (should not impact learning process)

 

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Chap

Date Posted

Minor Correction

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227

7

Aug 23, 2025

(7-84). It would be better if the righthand subscripts on M were nu_i rather than i.

Albert Clement

227

7

Aug 23, 2025

(7-85). Bottom row, last column. Insert a subscript B before Y.

Albert Clement

251

7

Aug 23, 2025

(7-148), last term, last factor in that term: Delete prime on the subscript.

Albert Clement

269

8

Sept 3, 2025

Figs. 8-2 and 8-3. All the anti-neutrinos should have arrows in the opposite direction from those shown.

Albert Clement

270

8

Sept 3, 2025

(8-23), first row. Subscripts for the first ubar should have a comma between them.

Albert Clement

301

9

Sept 10, 2025

1st line after The Hypercharge Operator …: Change 3.71 to 3.7.1.

Albert Clement

301

9

Sept 10, 2025

2nd line of (9-16): In “destuction” insert “r” after “t”.

Albert Clement

308

9

Sept 10, 2025

1st line after Electric Charge Conservation: After “in”, insert “Chap. 6, (6-94), pg.183 and”. Then after “Chap. 7”, insert “Wholeness Chart 7-9, pg. 243”

Albert Clement

310

9

Sept 10, 2025

Line above (9-62): at the end, insert “(9-56),”

Albert Clement

311

9

Sept 10, 2025

3rd line up from Sect. 9.2 Lorentz Transformation …”: Change “5” to “6”.

Albert Clement

324

9

Sept 10, 2025

4th margin note: at the end, add “sign”.

Albert Clement

325

9

Sept 10, 2025

(9-132), 2nd line, after the equal sign: delete “(t, x^i)”

Albert Clement

 

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