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Searches for scalar top and scalar bottom quarks at LEP-2

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Searches for scalar top and scalar bottom quarks at LEP-2. / ALEPH Collaboration.
In: Physics Letters B, Vol. 413, No. 3-4, 1997, p. 431-446.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

ALEPH Collaboration 1997, 'Searches for scalar top and scalar bottom quarks at LEP-2', Physics Letters B, vol. 413, no. 3-4, pp. 431-446. https://doi.org/10.1016/S0370-2693(97)01178-7

APA

ALEPH Collaboration (1997). Searches for scalar top and scalar bottom quarks at LEP-2. Physics Letters B, 413(3-4), 431-446. https://doi.org/10.1016/S0370-2693(97)01178-7

Vancouver

ALEPH Collaboration. Searches for scalar top and scalar bottom quarks at LEP-2. Physics Letters B. 1997;413(3-4):431-446. doi: 10.1016/S0370-2693(97)01178-7

Author

ALEPH Collaboration. / Searches for scalar top and scalar bottom quarks at LEP-2. In: Physics Letters B. 1997 ; Vol. 413, No. 3-4. pp. 431-446.

Bibtex

@article{a19e588bf48b40b1bff1cb85347bc430,
title = "Searches for scalar top and scalar bottom quarks at LEP-2",
abstract = "Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. The data sample consists of 21.7 pb−1 taken at , and 5.7 pb−1 taken at . No evidence for scalar top quarks or scalar bottom quarks was found in the channels → cχ, → bℓ, and → bχ. For the channel → cχ a limit of 67 GeV/c2 has been set on the scalar top quark mass, independent of the mixing angle between the supersymmetric partners of the left and right-handed states of the top quark. This limit assumes a mass difference between the and the χ of at least 10 GeV/c2. For the channel → bℓ the mixing-angle independent scalar top limit is 70 GeV/c2, assuming a mass difference between the and the of at least 10 GeV/c2. For the channel → bχ, a limit of 73 GeV/c2 has been set on the mass of the supersymmetric partner of the left-handed state of the bottom quark. This limit is valid if the mass difference between the and the χ is at least 10 GeV/c2.",
author = "R. Barate and Alexander Finch and {ALEPH Collaboration}",
year = "1997",
doi = "10.1016/S0370-2693(97)01178-7",
language = "English",
volume = "413",
pages = "431--446",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",
number = "3-4",

}

RIS

TY - JOUR

T1 - Searches for scalar top and scalar bottom quarks at LEP-2

AU - Barate, R.

AU - Finch, Alexander

AU - ALEPH Collaboration

PY - 1997

Y1 - 1997

N2 - Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. The data sample consists of 21.7 pb−1 taken at , and 5.7 pb−1 taken at . No evidence for scalar top quarks or scalar bottom quarks was found in the channels → cχ, → bℓ, and → bχ. For the channel → cχ a limit of 67 GeV/c2 has been set on the scalar top quark mass, independent of the mixing angle between the supersymmetric partners of the left and right-handed states of the top quark. This limit assumes a mass difference between the and the χ of at least 10 GeV/c2. For the channel → bℓ the mixing-angle independent scalar top limit is 70 GeV/c2, assuming a mass difference between the and the of at least 10 GeV/c2. For the channel → bχ, a limit of 73 GeV/c2 has been set on the mass of the supersymmetric partner of the left-handed state of the bottom quark. This limit is valid if the mass difference between the and the χ is at least 10 GeV/c2.

AB - Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. The data sample consists of 21.7 pb−1 taken at , and 5.7 pb−1 taken at . No evidence for scalar top quarks or scalar bottom quarks was found in the channels → cχ, → bℓ, and → bχ. For the channel → cχ a limit of 67 GeV/c2 has been set on the scalar top quark mass, independent of the mixing angle between the supersymmetric partners of the left and right-handed states of the top quark. This limit assumes a mass difference between the and the χ of at least 10 GeV/c2. For the channel → bℓ the mixing-angle independent scalar top limit is 70 GeV/c2, assuming a mass difference between the and the of at least 10 GeV/c2. For the channel → bχ, a limit of 73 GeV/c2 has been set on the mass of the supersymmetric partner of the left-handed state of the bottom quark. This limit is valid if the mass difference between the and the χ is at least 10 GeV/c2.

U2 - 10.1016/S0370-2693(97)01178-7

DO - 10.1016/S0370-2693(97)01178-7

M3 - Journal article

VL - 413

SP - 431

EP - 446

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 3-4

ER -