Лекции по основам кинематики элементарных процессов. Строковский Е.А. - 25 стр.

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МГУ | Москва

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⇓
π
d
π
p
Cross section (mb)
Laboratory beam momentum (GeV/c)
Cross section (mb)
Center of mass energy (GeV)
1.2 2 3 4 5 6 7 8 910 20 30 40
2.1 3 4 5 6 7 8 910 20 30 40 50 60
10 1 10 10 10
–1 2
3
10 1 10 10 10
–1 2
3
10
100
100
200
10
20
50
2
2
5
20
50
5
π
±
d
total
π
+
p
elastic
π
+
p
total
⇓
π
–
p
total
π
–
p
elastic
                200


                100
Cross section (mb)




                     50
                                                                            +
                                                                 ⇓        π p total
                     20


                     10


                      5
                                                                         π+pelastic

                      2
                         –1                                                                    2                   3
                      10             1                       10                           10                  10
                          πp   1.2       2           3       4       5 6 7 8 910                   20   30   40

                          πd 2.1         3       4       5   6 7 8 910                    20       30   40 50 60
                                             Center of mass energy (GeV)
                100


                                                                 ⇓      π ±d total
                     50

                                                                          –
                                                                         π p total
Cross section (mb)




                     20



                     10



                     5                                                    π – p elastic



                      2
                         –1                                                                    2                   3
                      10             1                       10                           10                  10
                                     Laboratory beam momentum (GeV/c)

H A > 2      1 /     
  1  1     Q *R


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