Single top quark production as a probe of R-parity-violating supersymmetry at pp and p(p)over-bar colliders

被引:51
作者
Oakes, RJ [1 ]
Whisnant, K
Yang, JM
Young, BL
Zhang, X
机构
[1] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA
[2] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
[3] Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China
[4] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
来源
PHYSICAL REVIEW D | 1998年 / 57卷 / 01期
关键词
D O I
10.1103/PhysRevD.57.534
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We investigate the ability of single top quark production via qq' --> squark --> tb and <q(q)over bar>' --> slepton --> <t(b)over bar> at the CERN LHC and Fermilab Tevatron to probe the strength of R-parity-violating couplings in the minimal supersymmetric model. We found that given the existing bounds on R-parity-violating couplings, single top quark production may be greatly enhanced over that predicted by the standard model, and that both colliders can either discover R-parity-violating SUSY or set strong constraints on the relevant R-parity-violating couplings. We further found that the LHC is much more powerful than the Tevatron in probing the squark couplings, but the two colliders have comparable sensitivity for the slepton couplings. [S0556-2821(98)01301-0].
引用
收藏
页码:534 / 540
页数:7
相关论文
共 74 条
[1]  
ADOLFF C, 1997, Z PHYS C, V74, P191
[2]   R-parity violation in flavor-changing neutral current processes and top quark decays [J].
Agashe, K ;
Graesser, M .
PHYSICAL REVIEW D, 1996, 54 (07) :4445-4452
[3]  
ALTARELLI G, HEPPH9703276
[4]  
AMIDEI D, 1995, REPORT REV2000 STUDY
[5]   HEAVY FLAVOR PRODUCTION AT LARGE TRANSVERSE-MOMENTUM THROUGH THE BOSON-GLUON FUSION MECHANISM [J].
ANSELMO, F ;
VANEIJK, B ;
BORDES, G .
PHYSICAL REVIEW D, 1992, 45 (07) :2312-2322
[6]   Comments on the high-Q(2) HERA anomaly [J].
Babu, KS ;
Kolda, C ;
MarchRussell, J ;
Wilczek, F .
PHYSICS LETTERS B, 1997, 402 (3-4) :367-373
[7]   NEW VECTOR-SCALAR CONTRIBUTIONS TO NEUTRINOLESS DOUBLE-BETA DECAY AND CONSTRAINTS ON R-PARITY VIOLATION [J].
BABU, KS ;
MOHAPATRA, RN .
PHYSICAL REVIEW LETTERS, 1995, 75 (12) :2276-2279
[8]   SEARCHING FOR SUPERSYMMETRY AT E+E-SUPERCOLLIDERS [J].
BAER, H ;
BARTL, A ;
KARATAS, D ;
MAJEROTTO, W ;
TATA, X .
INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 1989, 4 (16) :4111-4163
[9]   SOME NEW ASPECTS OF SUPERSYMMETRY R-PARITY VIOLATING INTERACTIONS [J].
BARGER, V ;
GIUDICE, GF ;
HAN, T .
PHYSICAL REVIEW D, 1989, 40 (09) :2987-2996
[10]   ULTRA-HEAVY PARTICLE-PRODUCTION FROM HEAVY PARTONS AT HADRON COLLIDERS [J].
BARNETT, RM ;
HABER, HE ;
SOPER, DE .
NUCLEAR PHYSICS B, 1988, 306 (04) :697-745