QCD corrections to Higgs boson decays into squarks in the minimal supersymmetric standard model

被引:43
作者
Bartl, A
Eberl, H
Hidaka, K
Kon, T
Majerotto, W
Yamada, Y
机构
[1] AUSTRIAN ACAD SCI,INST HOCHENERGIEPHYS,A-1050 VIENNA,AUSTRIA
[2] TOKYO GAKUGEI UNIV,DEPT PHYS,KOGANEI,TOKYO 184,JAPAN
[3] SEIKEI UNIV,FAC ENGN,MUSASHINO,TOKYO 180,JAPAN
[4] TOHOKU UNIV,DEPT PHYS,SENDAI,MIYAGI 98077,JAPAN
关键词
D O I
10.1016/S0370-2693(97)00457-7
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We calculate the supersymmetric O(alpha(s)) QCD corrections to the widths of the Higgs boson decays H+ --> (t) over tilde(sic) and H-0, A(0) --> (t) over tilde(sic), (b) over tilde(sic) in the on-shell scheme within the Minimal Supersymmetric Standard Model. We find that the QCD corrections are significant, but that the squark pair decay modes are still dominant in a wide parameter region. (C) 1997 Elsevier Science B.V.
引用
收藏
页码:303 / 313
页数:11
相关论文
共 25 条
[1]   SIMPLE TREATMENT OF THRESHOLD EFFECTS [J].
ANTONIADIS, I ;
KOUNNAS, C ;
TAMVAKIS, K .
PHYSICS LETTERS B, 1982, 119 (4-6) :377-380
[2]   QCD corrections to the decay H+->t(b)over-bar in the minimal supersymmetric standard model [J].
Bartl, A ;
Eberl, H ;
Hidaka, K ;
Kon, T ;
Majerotto, W ;
Yamada, Y .
PHYSICS LETTERS B, 1996, 378 (1-4) :167-174
[3]   QCD corrections to the decay H+->(tb)over-tilde in the minimal supersymmetric standard model [J].
Bartl, A ;
Eberl, H ;
Hidaka, K ;
Kon, T ;
Majerotto, W ;
Yamada, Y .
PHYSICS LETTERS B, 1996, 373 (1-3) :117-124
[4]   Impact of squark pair decay modes on search for supersymmetric neutral Higgs bosons [J].
Bartl, A ;
Eberl, H ;
Hidaka, K ;
Kon, T ;
Majerotto, W ;
Yamada, Y .
PHYSICS LETTERS B, 1996, 389 (03) :538-544
[5]   THE EFFECT OF LARGE SQUARK-MIXING ON SUPERSYMMETRIC CHARGED-HIGGS-BOSON DECAY [J].
BARTL, A ;
HIDAKA, K ;
KIZUKURI, Y ;
KON, T ;
MAJEROTTO, W .
PHYSICS LETTERS B, 1993, 315 (3-4) :360-366
[6]  
BEENAKKER W, DESY96178
[7]   REGULARIZATION BY DIMENSIONAL REDUCTION OF SUPERSYMMETRIC AND NON-SUPERSYMMETRIC GAUGE-THEORIES [J].
CAPPER, DM ;
JONES, DRT ;
VANNIEUWENHUIZEN, P .
NUCLEAR PHYSICS B, 1980, 167 (03) :479-499
[8]   Strong effects on the hadronic widths of the neutral Higgs bosons in the MSSM [J].
Coarasa, JA ;
JImenez, RA ;
Sola, J .
PHYSICS LETTERS B, 1996, 389 (02) :312-320
[9]   TECHNIQUES FOR THE CALCULATION OF ELECTROWEAK RADIATIVE-CORRECTIONS AT THE ONE-LOOP LEVEL AND RESULTS FOR W-PHYSICS AT LEP200 [J].
DENNER, A .
FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS, 1993, 41 (04) :307-420
[10]   QCD corrections to the top quark decay mode t->(t)over-tilde-chi(0) [J].
Djouadi, A ;
Hollik, W ;
Junger, C .
PHYSICAL REVIEW D, 1996, 54 (09) :5629-5635