Flavour-changing neutral currents and leptophobic Z′ gauge bosons

被引：52

作者：

Leroux, K ^{[1
]}

London, D ^{[1
]}

机构：

[1] Univ Montreal, Lab Rene JA Levesque, Montreal, PQ H3C 3J7, Canada

来源：

PHYSICS LETTERS B | 2002年 / 526卷 / 1-2期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1016/S0370-2693(01)01489-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Leptophobic Z' gauge bosons can appear in models with an E-6 gauge symmetry. We show that flavour-changing neutral currents can be generated in some of these models due to the mixing of the ordinary d(R), s(R) and b(R) quark fields with the exotic h(R). Because the Z' does not couple to charged leptons, the constraints on the flavour-changing couplings U-db(Z') and U-sb(Z') are relatively weak. Indeed, B-q(0)-(B) over bar (0)(q) mixing (q = d, s) can be dominated by Z' exchange, which will affect CP-violating rate asymmetries in B decays. Rare hadronic B decays can also be affected, while decays involving charged leptons will be unchanged. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：97 / 103

页数：7

共 50 条

[41] Zt, γt and t production at hadron colliders via strong flavour-changing neutral couplings
Aguilar-Saavedra, J. A.
NUCLEAR PHYSICS B, 2010, 837 (1-2) : 122 - 136
[42] Search for the flavour-changing neutral-current decay D-0->mu(+)mu(-)
Adamovich, M
Alexandrov, Y
Angelini, C
Barberis, D
Ceradini, F
Cianfarani, C
Cirilli, M
Dameri, M
Darbo, G
Duane, A
Flaminio, V
Forino, A
French, BR
Frenkel, A
Gemme, C
Harrison, K
Hurst, R
Kirk, A
Lazzeroni, C
Malferrari, L
Martellotti, G
Martinengo, P
Mazzanti, P
McEwen, JG
Nechaeva, P
Orestano, D
Osculati, B
Penso, G
Pontecorvo, L
Quareni, A
Rossi, L
Veneziano, S
Verzocchi, M
Websdale, D
Zanello, L
Zavertyaev, M
PHYSICS LETTERS B, 1997, 408 (1-4) : 469 - 475
[43] Single-top production via flavour changing neutral currents
Ferrando, J
EUROPEAN PHYSICAL JOURNAL C, 2004, 33 (04): : 588 - 588
[44] Search for single top-quark production via flavour-changing neutral currents at 8 TeV with the ATLAS detector (vol 76, 55, 2016)
Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Aben, R.
Abolins, M.
AbouZeid, O. S.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B. S.
Adamczyk, L.
Adams, D. L.
Adelman, J.
Adomeit, S.
Adye, T.
Affolder, A. A.
Agatonovic-Jovin, T.
Agricola, J.
Aguilar-Saavedra, J. A.
Ahlen, S. P.
Ahmadov, F.
Aielli, G.
Akerstedt, H.
Akesson, T. P. A.
Akimov, A. V.
Alberghi, G. L.
Albert, J.
Albrand, S.
Alconada Verzini, M. J.
Aleksa, M.
Aleksandrov, I. N.
Alexa, C.
Alexander, G.
Alexopoulos, T.
Alhroob, M.
Alimonti, G.
Alio, L.
Alison, J.
Alkire, S. P.
Allbrooke, B. M. M.
Allport, P. P.
Aloisio, A.
Alonso, A.
Alonso, F.
Alpigiani, C.
Altheimer, A.
Alvarez Gonzalez, B.
Piqueras, D. Alvarez
EUROPEAN PHYSICAL JOURNAL C, 2022, 82 (01):
[45] Single-top production via flavour changing neutral currents
J. Ferrando
The European Physical Journal C - Particles and Fields, 2004, 33 (Suppl 1): : s761 - s763
[46] Scalar flavour changing neutral currents in MFV SUSY at large tanβ
Chankowski, PH
Slawianowska, L
ACTA PHYSICA POLONICA B, 2003, 34 (09): : 4419 - 4433
[47] Single-top production via flavour changing neutral currents
Ferrando, J.
EUROPEAN PHYSICAL JOURNAL C, 2004, 33 : S761 - S763
[48] Nonexotic neutral gauge bosons
Appelquist, T
Dobrescu, BA
Hopper, AR
PHYSICAL REVIEW D, 2003, 68 (03):
[49] Leptogenesis and neutral gauge bosons
Heeck, Julian
Teresi, Daniele
PHYSICAL REVIEW D, 2016, 94 (09)
[50] Quark family discrimination and flavour-changing neutral currents in the SU(3)C ⊗ SU(3)L ⊗ U(1) model with right-handed neutrinos
Long, HN
Van, VT
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 1999, 25 (12) : 2319 - 2324

← 1 2 3 4 5 →