VIRTUAL EFFECTS OF SQUARK GLUINO COUPLING ON Z-DECAYS INTO B(B)OVER-BAR

被引:5
|
作者
LI, CS
HU, BQ
YANG, JM
FANG, ZY
机构
[1] CCAST,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
[2] CHONGQING UNIV,DEPT APPL PHYS,CHONGQING 630044,PEOPLES R CHINA
[3] HENAN NORMAL UNIV,DEPT PHYS,XIN XIANG,PEOPLES R CHINA
关键词
D O I
10.1088/0954-3899/19/2/002
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
Virtual corrections of squark-gluino coupling to the process Z --> bbBAR are calculated in the minimal supersymmetric standard model. The corrections typically imply a few percent (approximately 3%) reduction in the branching ratio, depending strongly on the gluino mass.
引用
收藏
页码:L13 / L18
页数:6
相关论文
共 50 条
  • [21] Radiative semileptonic (B)over-bar decays
    Papucci, Michele
    Trickle, Tanner
    Wise, Mark B.
    JOURNAL OF HIGH ENERGY PHYSICS, 2022, (02):
  • [22] A measurement of the gluon splitting rate into b(b)over-bar pairs in hadronic Z decays
    Barate, R
    Buskulic, D
    Decamp, D
    Ghez, P
    Goy, C
    Lees, JP
    Lucotte, A
    Merle, E
    Minard, MN
    Nief, JY
    Pietrzyk, B
    Alemany, R
    Boix, G
    Casado, MP
    Chmeissani, M
    Crespo, JM
    Delfino, M
    Fernandez, E
    Fernandez-Bosman, M
    Garrido, L
    Grauges, E
    Juste, A
    Martinez, M
    Merino, G
    Miquel, R
    Mir, LM
    Park, IC
    Pascual, A
    Riu, I
    Sanchez, F
    Colaleo, A
    Creanza, D
    de Palma, M
    Gelao, G
    Iaselli, G
    Maggi, G
    Maggi, M
    Nuzzo, S
    Ranieri, A
    Raso, G
    Ruggieri, F
    Selvaggi, G
    Silvestris, L
    Tempesta, P
    Tricomi, A
    Zito, G
    Huang, X
    Lin, J
    Ouyang, Q
    Wang, T
    PHYSICS LETTERS B, 1998, 434 (3-4) : 437 - 450
  • [23] CHARMFUL BARYONIC B → B(B)over-bar′Mc DECAYS
    Hsiao, Yu-Kuo
    INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 2009, 24 (18-19): : 3638 - 3644
  • [24] Production rates of b(b)over-bar quark pairs from gluons and b(b)over-barb(b)over-bar events in hadronic Z0 decays
    Abbiendi, G
    Ackerstaff, K
    Ainsley, C
    Akesson, PF
    Alexander, G
    Allison, J
    Anderson, KJ
    Arcelli, S
    Asai, S
    Ashby, SF
    Axen, D
    Azuelos, G
    Bailey, I
    Ball, AH
    Barberio, E
    Barlow, RJ
    Baumann, S
    Behnke, T
    Bell, KW
    Bella, G
    Bellerive, A
    Bentvelsen, S
    Bethke, S
    Biebel, O
    Bloodworth, IJ
    Bock, P
    Böhme, J
    Boeriu, O
    Bonacorsi, D
    Boutemeur, M
    Braibaut, S
    Bright-Thomas, P
    Brigliadori, L
    Brown, RM
    Burckhart, HJ
    Cammin, J
    Capiluppi, P
    Carnegie, RK
    Carter, AA
    Carter, JR
    Chang, CY
    Charlton, DG
    Ciocca, C
    Clarke, PEL
    Clay, E
    Cohen, I
    Cooke, OC
    Couchman, J
    Couyoumtzelis, C
    Coxe, RL
    EUROPEAN PHYSICAL JOURNAL C, 2001, 18 (03): : 447 - 460
  • [25] Study of B- → Λ (P)over-barη(') and (B)over-bars0 → Λ(Λ)over-barη(') decays
    Hsiao, Y. K.
    Geng, C. Q.
    Yu, Yao
    Zhao, H. J.
    EUROPEAN PHYSICAL JOURNAL C, 2019, 79 (05):
  • [26] Gluon splitting to b(b)over-bar and c(c)over-bar at the Z resonance
    Boccali, T
    NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS, 1999, 75B : 241 - 245
  • [27] Z→b(b)over-barb(b)over-bar in the light gluino and light sbottom scenario -: art. no. 097703
    Malhotra, R
    Dicus, DA
    PHYSICAL REVIEW D, 2003, 67 (09):
  • [28] Squark flavor implications from (B)over-bar → (K)over-bar(*) l+l-
    Behring, Arnd
    Gross, Christian
    Hiller, Gudrun
    Schacht, Stefan
    JOURNAL OF HIGH ENERGY PHYSICS, 2012, (08):
  • [29] Energy calibration of b-quark jets with Z → b(b)over-bar decays at the Tevatron collider
    Donini, J.
    Dorigo, T.
    Hatakeyama, K.
    Kwang, S.
    Neu, C.
    Shochet, M.
    Tomura, T.
    Tosi, M.
    Whiteson, D.
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2008, 596 (03): : 354 - 367
  • [30] b fragmentation and energy correlation in Z→b(b)over-bar decays (LEP-1, SLD)
    Harder, K
    ICHEP 2002, PROCEEDINGS, 2003, : 535 - 538