transformation nucleaire

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  • 7/25/2019 transformation nucleaire

    1/4

    44

    mouvements plans3

    I)mouvement dun projectile dans le champ de pesanteur uniforme

    1

    1.1

    O.

    .

    .

    y (cm)01015202530354045

    x (cm)

    2x

    y

    2.1

    y (cm)01015202530354045

    x (cm)022,327,431,635,338,641,844,647,4

    2x

    y

    2,01,92,02,02,02,02,02,0

    Ctex

    y

    2

    2.xKy

    .

    2

    2.1

    O

    m

    V0 0V

    . G

    ),,,( kjiOR

    .

    ),,,( kjiOR

    Ga

    .

    .

    xSyS S.

    OP.

    P (xP=OP,yP=0)

    P

    1

    2.

    22

    {

    }

    :P

    :

    GGG amPamgmga

    ...

    )0,,0(

    0

    0

    zyx

    z

    y

    x

    agaa

    a

    a

    a

    agg

    t0= 0

    0v

    sin.Vv

    cos.Vv

    V

    zO

    0yO

    0Ox

    0

    0z

    0y

    0x

    OG

    0

    0

    0

    0

  • 7/25/2019 transformation nucleaire

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    45

    V

    B

    F qV B

    ( , )V B

    ( , , )qV B F

    0v

    sin.Vt.gv

    cos.Vv

    V

    z

    0y

    0x

    3z

    2y

    1x

    z

    y

    x

    Kv

    Kt.gv

    Kv

    V

    0a

    ga

    0a

    a

    0z

    sin.Vt.g2

    1y

    cos.Vx

    OG0

    2

    0

    6

    50

    2

    40

    z

    0y

    0x

    Kz

    Kt.sin.Vt.g2

    1y

    Kt.cos.Vx

    OG

    0v

    sin.Vt.gv

    cos.Vv

    V

    tVxtVtgy .cos.sin..2

    100

    2

    t: xy.

    coscos

    .sin.)cos

    .(2

    1

    0

    0

    2

    0 V

    xt

    xV

    V

    xgy

    :xtgxV

    gy .

    cos.2

    2

    22

    0

    vy = 0 0sin.sin.

    2

    2cos.sin..cos. 0

    0

    2

    00

    0

    Vtgg

    Vt

    g

    V

    g

    VVx FFF

    g

    V

    g

    VV

    g

    VgyF

    2

    sin.sin..sin.)

    sin..(

    2

    1 22

    000

    20

    1sin2

    2

    oyxtgx

    V

    g

    g

    V

    g

    V

    g

    tgVx PPPP 0.

    cos.2

    2sin.sin.cos.2.cos.2 222

    0

    2

    0

    2

    0

    22

    0

    12sin2

    24

    g

    VxP

    2

    0

    )sin(sin)2

    (2sin)2sin(2sin

    1122

    .

    II)

    1

    ,

    q

    Lorentz

    :

    :

    .

    :

    :V.B.sin|q|F =

  • 7/25/2019 transformation nucleaire

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    46

    B

    0( , )V B

    2

    1.2

    .

    ( Helmholtz).

    .

    .

    = 0= 900

  • 7/25/2019 transformation nucleaire

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    47

    0V

    m

    eBrV 0

    Bq

    m

    V

    rT

    .

    ..2.2

    0

    4

    1.4

    0V

    B

    .

    q(q < 0 )

    m.

    S

    .

    Dm.

    2.4

    tansin

    r

    lsin

    L

    D

    OIL

    D mm

    tan

    r

    lLDm

    .

    Bq

    Vmr

    .

    . 0 B

    Vm

    qlLDm .

    .

    ...

    0

    5

    B = 10-3T

    .

    :

    e = 1,6.10-19C

    m = 9,1.10-31kg

    1

    2 BemV0 r.

    V03 Bem T

    .

    T.

    1

    :{

    }

    :BVeF

    P

    :

    F

    amPFamF

    ..

    BVm

    ea

    kBB

    .

    F

    k

    amF

    .

    ),( kO

    Fz= m.a

    z

    Fz= 0

    az= 0vz= vz0= 0z = z0= 0

    ),,0( ji

    amF

    .

    ),,( nuM

    ),( uM

    FT= m.aT FT= 0 aT= 0

    00 dt

    dvcteVv

    ),( nM

    FN= m.aN BVeFFN ..

    2vaN

    2

    ... v

    mBve

    BeVm.. 0

    BeVmr.. 0

    V0