TRILINEAR COUPLINGS AMONG THE ELECTROWEAK VECTOR BOSONS AND THEIR DETERMINATION AT LEP2

BILENKY M, KNEUR JL, RENARD FM, Schildknecht D (1993)
NUCLEAR PHYSICS B 409(1): 22-68.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Autor
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Abstract / Bemerkung
We present a detailed investigation of the potential of LEP2 to measure the (trilinear) couplings of the vector bosons, Z0W+ W- and gammaW+ W-, among one another. The restrictions imposed on non-standard trilinear couplings by symmetry requirements, thus excluding violent boson-loop divergences and a violent growth of tree amplitudes for vector-boson scattering, are discussed in detail. We elaborate on how to extract the W+/- spin-density matrix and the W+, W- spin correlations from future data. Various theoretically motivated fits to artificial ''data'' on e+ e- --> W+W- are carried out in order to evaluate the potential of LEP2 for, the measurement of trilinear vector boson couplings. We stress that a direct measurement of the couplings of the vector bosons with one another is indispensable for a verification of the basic SU(2)L X U(1)Y structure of the present electroweak theory. Such measurements at LEP2 improve indirect LEP1 bounds by factors which occasionally reach a full order of magnitude.
Erscheinungsjahr
Zeitschriftentitel
NUCLEAR PHYSICS B
Band
409
Zeitschriftennummer
1
Seite
22-68
ISSN
PUB-ID

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BILENKY M, KNEUR JL, RENARD FM, Schildknecht D. TRILINEAR COUPLINGS AMONG THE ELECTROWEAK VECTOR BOSONS AND THEIR DETERMINATION AT LEP2. NUCLEAR PHYSICS B. 1993;409(1):22-68.
BILENKY, M., KNEUR, J. L., RENARD, F. M., & Schildknecht, D. (1993). TRILINEAR COUPLINGS AMONG THE ELECTROWEAK VECTOR BOSONS AND THEIR DETERMINATION AT LEP2. NUCLEAR PHYSICS B, 409(1), 22-68. doi:10.1016/0550-3213(93)90445-U
BILENKY, M., KNEUR, J. L., RENARD, F. M., and Schildknecht, D. (1993). TRILINEAR COUPLINGS AMONG THE ELECTROWEAK VECTOR BOSONS AND THEIR DETERMINATION AT LEP2. NUCLEAR PHYSICS B 409, 22-68.
BILENKY, M., et al., 1993. TRILINEAR COUPLINGS AMONG THE ELECTROWEAK VECTOR BOSONS AND THEIR DETERMINATION AT LEP2. NUCLEAR PHYSICS B, 409(1), p 22-68.
M. BILENKY, et al., “TRILINEAR COUPLINGS AMONG THE ELECTROWEAK VECTOR BOSONS AND THEIR DETERMINATION AT LEP2”, NUCLEAR PHYSICS B, vol. 409, 1993, pp. 22-68.
BILENKY, M., KNEUR, J.L., RENARD, F.M., Schildknecht, D.: TRILINEAR COUPLINGS AMONG THE ELECTROWEAK VECTOR BOSONS AND THEIR DETERMINATION AT LEP2. NUCLEAR PHYSICS B. 409, 22-68 (1993).
BILENKY, M, KNEUR, JL, RENARD, FM, and Schildknecht, Dieter. “TRILINEAR COUPLINGS AMONG THE ELECTROWEAK VECTOR BOSONS AND THEIR DETERMINATION AT LEP2”. NUCLEAR PHYSICS B 409.1 (1993): 22-68.

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