Experimental search for chargino and neutralino production in supersymmetry models with a light gravitino

D0 Collaboration

doi:10.1103/PhysRevLett.80.442

Experimental search for chargino and neutralino production in supersymmetry models with a light gravitino

D0 Collaboration

New York University
Michigan State University
Tata Institute of Fundamental Research, Mumbai
Columbia University
Rice University
University of Illinois at Chicago
Fermi National Accelerator Laboratory
University of California at Berkeley
Centro Brasileiro de Pesquisas Fisicas
Northeastern University
University of Michigan, Ann Arbor
Iowa State University
Stony Brook University
University of Maryland, College Park
University of Notre Dame
University of Hawaiʻi at Mānoa
Brown University
University of Rochester
Lomonosov Moscow State University
Panjab University
Northwestern University
Institute for High Energy Physics
University of Delhi
Northern Illinois University
Florida State University
University of California, Davis
University of California at Riverside
Boston University
Centro de Investigacion y de Estudios Avanzados del Instituto Politécnico Nacional
Universidad de los Andes Colombia
Seoul National University
University of Nebraska-Lincoln
University of Arizona
University of Texas at Arlington
CEA Saclay
University of California at Irvine
Brookhaven National Laboratory
Texas AandM University
Universidad de Buenos Aires
University of Oklahoma Bioengineering Center
Indiana University Bloomington
Korea University
Purdue University
Universidade do Estado do Rio de Janeiro
Kyungsung University

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51 Citas (Scopus)

Resumen

We search for inclusive high E_Tdiphoton events with large missing transverse energy in pp¯collisions at s=1.8 TeV. Such events are expected from pair production of charginos and neutralinos within the framework of the minimal supersymmetric standard model with a light gravitino. No excess of events is observed. In that model, and assuming gaugino mass unification at the GUT scale, we obtain a 95% C.L. exclusion region in the supersymmetry parameter space and lower mass bounds of 150 GeV/c₂for the lightest chargino and 77GeV/c₂for the lightest neutralino.

Idioma original	Inglés
Páginas (desde-hasta)	442-447
Número de páginas	6
Publicación	Physical Review Letters
Volumen	80
N.º	3
DOI	https://doi.org/10.1103/PhysRevLett.80.442
Estado	Publicada - 1998
Publicado de forma externa	Sí

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@article{3e07b3d27ad145d6aa1ed9210642287b,

title = "Experimental search for chargino and neutralino production in supersymmetry models with a light gravitino",

abstract = "We search for inclusive high ETdiphoton events with large missing transverse energy in pp¯collisions at s=1.8 TeV. Such events are expected from pair production of charginos and neutralinos within the framework of the minimal supersymmetric standard model with a light gravitino. No excess of events is observed. In that model, and assuming gaugino mass unification at the GUT scale, we obtain a 95\% C.L. exclusion region in the supersymmetry parameter space and lower mass bounds of 150 GeV/c2for the lightest chargino and 77GeV/c2for the lightest neutralino.",

author = "\{D0 Collaboration\} and B. Abbott and M. Abolins and Acharya, \{B. S.\} and I. Adam and Adams, \{D. L.\} and M. Adams and S. Ahn and H. Aihara and Alves, \{G. A.\} and E. Amidi and N. Amos and Anderson, \{E. W.\} and R. Astur and Baarmand, \{M. M.\} and A. Baden and V. Balamurali and J. Balderston and B. Baldin and S. Banerjee and J. Bantly and Bartlett, \{J. F.\} and K. Bazizi and A. Belyaev and Beri, \{S. B.\} and I. Bertram and Bezzubov, \{V. A.\} and Bhat, \{P. C.\} and V. Bhatnagar and M. Bhattacharjee and N. Biswas and G. Blazey and S. Blessing and P. Bloom and A. Boehnlein and Bojko, \{N. I.\} and F. Borcherding and C. Boswell and A. Brandt and R. Brock and A. Bross and D. Buchholz and Burtovoi, \{V. S.\} and Butler, \{J. M.\} and W. Carvalho and D. Casey and Z. Casilum and H. Castilla-Valdez and D. Chakraborty and Chang, \{S. M.\} and B. Hoeneisen",

year = "1998",

doi = "10.1103/PhysRevLett.80.442",

language = "Ingl{\'e}s",

volume = "80",

pages = "442--447",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "3",

}

TY - JOUR

T1 - Experimental search for chargino and neutralino production in supersymmetry models with a light gravitino

AU - D0 Collaboration

AU - Abbott, B.

AU - Abolins, M.

AU - Acharya, B. S.

AU - Adam, I.

AU - Adams, D. L.

AU - Adams, M.

AU - Ahn, S.

AU - Aihara, H.

AU - Alves, G. A.

AU - Amidi, E.

AU - Amos, N.

AU - Anderson, E. W.

AU - Astur, R.

AU - Baarmand, M. M.

AU - Baden, A.

AU - Balamurali, V.

AU - Balderston, J.

AU - Baldin, B.

AU - Banerjee, S.

AU - Bantly, J.

AU - Bartlett, J. F.

AU - Bazizi, K.

AU - Belyaev, A.

AU - Beri, S. B.

AU - Bertram, I.

AU - Bezzubov, V. A.

AU - Bhat, P. C.

AU - Bhatnagar, V.

AU - Bhattacharjee, M.

AU - Biswas, N.

AU - Blazey, G.

AU - Blessing, S.

AU - Bloom, P.

AU - Boehnlein, A.

AU - Bojko, N. I.

AU - Borcherding, F.

AU - Boswell, C.

AU - Brandt, A.

AU - Brock, R.

AU - Bross, A.

AU - Buchholz, D.

AU - Burtovoi, V. S.

AU - Butler, J. M.

AU - Carvalho, W.

AU - Casey, D.

AU - Casilum, Z.

AU - Castilla-Valdez, H.

AU - Chakraborty, D.

AU - Chang, S. M.

AU - Hoeneisen, B.

PY - 1998

Y1 - 1998

N2 - We search for inclusive high ETdiphoton events with large missing transverse energy in pp¯collisions at s=1.8 TeV. Such events are expected from pair production of charginos and neutralinos within the framework of the minimal supersymmetric standard model with a light gravitino. No excess of events is observed. In that model, and assuming gaugino mass unification at the GUT scale, we obtain a 95% C.L. exclusion region in the supersymmetry parameter space and lower mass bounds of 150 GeV/c2for the lightest chargino and 77GeV/c2for the lightest neutralino.

AB - We search for inclusive high ETdiphoton events with large missing transverse energy in pp¯collisions at s=1.8 TeV. Such events are expected from pair production of charginos and neutralinos within the framework of the minimal supersymmetric standard model with a light gravitino. No excess of events is observed. In that model, and assuming gaugino mass unification at the GUT scale, we obtain a 95% C.L. exclusion region in the supersymmetry parameter space and lower mass bounds of 150 GeV/c2for the lightest chargino and 77GeV/c2for the lightest neutralino.

UR - https://www.scopus.com/pages/publications/85030591915

U2 - 10.1103/PhysRevLett.80.442

DO - 10.1103/PhysRevLett.80.442

M3 - Artículo

AN - SCOPUS:85030591915

SN - 0031-9007

VL - 80

SP - 442

EP - 447

JO - Physical Review Letters

JF - Physical Review Letters

IS - 3

ER -

Experimental search for chargino and neutralino production in supersymmetry models with a light gravitino

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