ЭФФЕКТЫ ЧЕТЫРЕХФЕРМИОННЫХ КОНТАКТНЫХ ВЗАИМОДЕЙСТВИЙ НА E +E – -КОЛЛАЙДЕРЕ ТЕСЛА

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  • 539.12

    e+ e -

    .. , .. , .. .. ,

    1. ,

    [1], - (). , , - - [2-4]. . - , ( )zms = ( )Zms > +ee - LEP, - 0,1 %. (., , [4]), P - . , , , .

    -

    ffee ++ + , (1)

    lf = ),( =l qf = ),,,,( bscduq = , () . - . , , , . , , , n1 , - ( ) . , - , , - - .

    6=D 22eff g . - ,

  • . .. 3-4 2001 4

    , eeff -, - ( ) ( ) ( )YLC USUSU 123 , - [5-12]:

    ( )( )=f

    ffeeL

    , (2)

    -2 -

    22eff = g , 2effg .

    42eff =g , ,

    s . 0= 1 . - , Z -. , . ( )RL,, = . (2) , , , , ( )( )RLRL ffee . , , - ( ) ( )12 USU ,

    e .

    , (, ). , - , s -, t - u -, - , . -, , , Z - [13], [14], - R - [15]. - , +ee -, ep - pp - [8, 9, 16]. - , . , - - , - - .

    (2) , f , . = LL, RR, RL LR ( ) . - - , , . , -

  • 5

    -, 1 [3, 8, 17].

    , - . - . 1.

    1

    LL RR LR RL

    LL 1 0 0 0 RR 0 1 0 0 LR 0 0 1 0 RL 0 0 0 1 VV 1 1 1 1 AA 1 1 1m 1m LL+RR 1 1 0 0 LR+RL 0 0 1 1

    -

    , (-) [5], . , , - , ( 4). - , . , () - . , - ( ), , - ( ) . - , , . , [11], - - 10 , [10] - , 3-4 . - , . [11] , .

  • . .. 3-4 2001 6

    . -, - , - . , - . [18, 19] Z- LEP2 - . , , - +ee - . - - - (1) . , . . - . - (eell) - (eebb) (eecc) (1) +ee - - .

    2. , - Z-,

    (2), - ffee + ( )tef , - -

    ( ) ( )[ ]+ ++= 22 cos1cos1

    83

    cosdd , (3)

    ... ff . (3) sm f

  • 7

    ee

    ee

    PPPPP

    =1eff

    (6)

    [20], 1eff P eePPD = 1 . -, ePP eff 1D . , 0eP , effP , eP . , -

    2

    pt MNC= . (7)

    RL,, = . CN , ( ) sCN + 13 , 1=CN .

    ( ) ( ) ( )sllee em 34 2pt = ++ , em 42eem = . M :

    emZ

    fefe

    sggQQM4

    ++= , (8)

    ( )ZZZZ immss += 2 Z, Z Zm . -

    : ( ) WWWffLf cssQIg 23L = WWWf

    f cssQg 2R = , WWW cs 222 sin1 = , fQ -

    , fLI3 . -

    , (2). , - . , - , - .

    , , - (4) (5), ( )ee PP , . -, , - . , 1PPe = 2PPe m= ( )02,1 >P .

    PP =eff , D . (4) (5)

    ( ) ( )

    ++

    = ++ PPPP

    PP

    DLL 111 , (9)

    ( ) ( )

    ++

    = ++ PPPP

    PP

    DRR 111 , (10)

  • . .. 3-4 2001 8

    ( ) ( )

    ++

    = PPPP

    PP

    DLR 111 , (11)

    ( ) ( )

    ++

    = PPPP

    PP

    DRL 111 . (12)

    (9)-(12), , . -

    , , , F B . , (3) :

    ( ) ( ) + +=1

    07

    81cos

    cos,

    d

    ddDPF , (13)

    ( ) ( ) + +=0

    17

    81cos

    cos,

    d

    ddDPB . (14)

    (13) (14) + - F B :

    ( ) ( )DPDP BF ,61,

    67 =+ , (15)

    ( ) ( )DPDP FB ,61,

    67 = , (16)

    , F B , -. , (15) (16) + , - , (9)-(12), - .

    , , - , , - FBA :

    ( ) ( ) ( ) ( )DPDPDPADP FBFB ,32,

    21,

    341,

    21 +=

    +=+ , (17)

    ( ) ( ) ( ) ( )DPDPDPADP FBFB ,32,

    21,

    341,

    21 =

    = , (18)

    ( )( ) ( )( )[ ]RLRRLRLL PPD ++++=+= + effeff 114

    , (19)

    ( ) === + 43

    BFFBFB A

  • 9

    ( )( ) ( )( )[ ]RLRRLRLL PPD ++= effeff 11163 . (20)

    (19) (20) , FBA , . , , -.

    3. , -

    , +ee -

    5,0=s - (8) (1) 12

  • . .. 3-4 2001 10

    ( ) ( )( )

    ++

    + 2

    22

    2

    ,1),(1361 DP

    PDPDP

    PDP

    BB , (24)

    ( ) ( ) ( )( ) +

    ++

    = 2

    22

    22 ,1),(1

    361 DP

    PDPDP

    PDP

    FFLR

    ( ) ( )( )

    ++

    + 2

    22

    2

    ,1),(13649 DP

    PDPDP

    PDP

    BB , (25)

    ( ) ( ) ( )( ) +

    ++

    = 2

    22

    22 ,1),(1

    361 DP

    PDPDP

    PDP

    FFRL

    ( ) ( )( )

    ++

    + 2

    22

    2

    ,1),(13649 DP

    PDPDP

    PDP

    BB . (26)

    , (23)-(26), , - F B . - , . , - , , - , .

    BF , , :

    ( ) ( ) ( ) 2SM,systint

    SM,2SM

    ,2

    , BFBF

    BFBF L

    += . (27)

    intL (27) , . , , , intL :

    == LdtLint 50 -1; 500 -1. (28)

    , P - , 2intL .

    . . - , , , , , . - , [21]. , - - ( )2em , , .

  • 11

    + ( )kR eT ( )kR eFB , , k , . :

    ( )[ ]asdd

    **2

    * cos2 cos183

    cos++= , (29)

    * + - [22]. s a :

    ( ) ( )

    =0

    skdkReTs , ( ) ( )

    =0

    FB skdkReFB , (30)

    ( )kss = 1 . - Z- Zms >

    smEE Z2

    beam 1 [21]. - , beamEE= = 0,9,

    s = 0,5 . - [23]:

    ( )2Zemem m

    ( )eff2L3L sin2 Wfff QIkg , eff2

    R sin2

    Wff

    k

    Qg

    eff22 sinsin WW , ( ) ( )

    2F

    2eff2

    24

    2sinZ

    ZemW mG

    mk = , (31)

    28

    31

    2

    2topF

    mG+ . (32)

    , Z- : ( ) ( )( )222 ZZZZ mmsimsss + . , : FG , Zm ( )2Zem m . - ZFITTER. , , ZEFIT, ZFITTER [24] topm = 175 GeV Hm = 100 GeV. - .

  • . .. 3-4 2001 12

    , , - , , - syst , : %95=

    %5,0syst = +ll ; %60= %1syst = bb - ; %35= %5,1syst = cc -. ,

    , F B , . , : 5,0=s ,

    99,0cos . -

    : 9,0=eP %5,0=ee PP . SLC. , , : 1) , 0=eP ; 2) -

    6,0=eP . PP =eff , 974,0eff == PP 54,1=D . - eP , , . - %1=ee PP .

    %1=ee PP - .

    +ee - - , , , , , . 2 , :

    2

    2

    =

    . (33)

    . 1 2 - ,

    ++ ee , bbee + ccee + 50 500 1, . , . ,

    500int =L -1 ,

    50-140 . bb -, ccee + .

    , - , 50 -1 500 -1 ( ) = 41intint LL ,

  • 13

    , 1,8 . , . 1 2 , , LR- RL-- , -. RR LL intL - - . , - , - :

    ~ ( ) ( )[ ] 412statsyst41int 1 + sL . (34) -

    . (3)-(5) , - , 0D ( )ee PPP ,maxeff > . , - , . - - ee PP .

    Lint = 50 -1, Pe = 0,9

    . 1. 95 %-

    , +ee - 5,0... =E , 50int =L -1 - -

    ( )0=eP ; %5,0=ee PP ; 9,0=P

  • . .. 3-4 2001 14

    Lint = 500 -1, Pe = 0,9

    . 2. 95 %-

    , +ee - 5,0... =E , 500int =L -1 -

    ( )0=eP ; %5,0=ee PP ; 9,0=P - -

    , , , . 2 -, , -, . - , , - RR LL 500 -1, LL bbee

    + , - . - - - , ee PP .

    2

    95 %-

    , 5,0... =E , 9,0=eP , %5,0=ee PP , 6,0=eP %0,1=ee PP

    intL ,

    -1 RR ,

    LL ,

    RL ,

    LR ,

    50 41,3 45,0 41,3 44,5 37,7 42,3 37,0 41,5 ++ ee 500 59,4 58,4 58,4 56,2 59,5 63,0 58,1 61,4 50 44,9 53,2 44,6 46,9 42,6 48,9 34,2 37,6 bbee + 500 60,9 73,6 53,9 53,3 68,5 75,5 48,3 50,3

  • 15

    . 2

    intL , -1

    RR ,

    LL ,

    RL ,

    LR ,

    50 37,4 40,9 35,4 37,0 27,3 31,4 32,2 35,1 ccee + 500 45,0 46,9 40,1 40,2 39,8 43,2 41,8 43,0

    . - : ( ) ( )eee PPP ,0, .

    4. , -

    +ee - - .

    1.

    ffee + , - , F B .

    2. , - , -.

    3. - , - . - ee PP , - , .

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    tional Wein Symposium: A Conference on Physics Beyond the Standard Model (WEIN 98), Santa Fe, NM, 14-21 June 1998.

    3. D. Abbaneo et al., Preprint CERN-EP-2000-016 (2000). 4. A. Gurtu, Talk at the XXX International Conference on High Energy Physics, Osaka,

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    11. V. Barger, K. Cheung, K. Hagiwara, and D. Zeppenfeld, Phys. Lett. B 404, 147 (1997). 12. D. Zeppenfeld and K. Cheung, Preprint MADPH-98-1081 (1998). 13. A.A. Babich, A.A. Pankov, and N. Paver, Phys. Lett. B 452, 355 (1999). 14. J. Kalinowski, R. Ruckl, H. Spiesberger, and P. Zerwas, Phys. Lett. B 406, 314 (1997). 15. T. G. Rizzo, Preprint SLAC-PUB-7982 (1998). 16. J.A. Valls, Preprint FERMILAB-Conf-97/135-E (1997). 17. P. Abreu et al., Preprint CERN-EP/2000-068 (2000); K. Cieslik et al., Preprint

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