Measurement of radiative Bhabha and quasi-real Compton scattering

L3 Collaboration

doi:10.1016/S0370-2693(98)01173-3

Measurement of radiative Bhabha and quasi-real Compton scattering

L3 Collaboration

Physics

National Institute for Nuclear Physics
University of Florence
CIEMAT
Boston University
University of Lausanne
CERN
University of Geneva
Swiss Federal Institute of Technology Zurich
Louisiana State University
Nuclear Physics Institute
University of Bucharest
University of Bologna
Alikhanov Institute for Theoretical and Experimental Physics
University of Michigan, Ann Arbor
Tata Institute of Fundamental Research
University of Rome La Sapienza
University of Alabama
Purdue University
Paul Scherrer Institute
University of Perugia
Massachusetts Institute of Technology
IN2P3-CNRS
Carnegie Mellon University
University of Amsterdam
RWTH Aachen University
Hungarian Academy of Sciences

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50 GeV and 170 GeV, and 20 GeV and 140 GeV, respectively, using the L3 detector at LEP. The analysis is based on data corresponding to an integrated luminosity of 232.2 pb^-1. A total of 2856 radiative Bhabha and 4641 Compton scattering events are collected. Total and differential cross sections for both reactions are presented and found to be in good agreement with QED expectations. Our measurement of Compton scattering at the highest energies obtained so far is used to derive exclusion limits on the coupling λ for the on-shell production of an excited electron e^{(black star)} decaying into a γe pair in the mass range 20GeV < m_e* < 170GeV.

Original language	English
Pages (from-to)	183-196
Number of pages	14
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	439
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(98)01173-3
State	Published - Oct 29 1998

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10.1016/S0370-2693(98)01173-3

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@article{0a337dd29b104e799f3332b3b3e9a3f8,

title = "Measurement of radiative Bhabha and quasi-real Compton scattering",

abstract = "We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50 GeV and 170 GeV, and 20 GeV and 140 GeV, respectively, using the L3 detector at LEP. The analysis is based on data corresponding to an integrated luminosity of 232.2 pb-1. A total of 2856 radiative Bhabha and 4641 Compton scattering events are collected. Total and differential cross sections for both reactions are presented and found to be in good agreement with QED expectations. Our measurement of Compton scattering at the highest energies obtained so far is used to derive exclusion limits on the coupling λ for the on-shell production of an excited electron e(black star) decaying into a γe pair in the mass range 20GeV < me* < 170GeV.",

author = "\{L3 Collaboration\} and M. Acciarri and O. Adriani and M. Aguilar-Benitez and S. Ahlen and J. Alcaraz and G. Alemanni and J. Allaby and A. Aloisio and Alviggi, \{M. G.\} and G. Ambrosi and H. Anderhub and Andreev, \{V. P.\} and T. Angelescu and F. Anselmo and A. Arefiev and T. Azemoon and T. Aziz and P. Bagnaia and L. Baksay and S. Banerjee and Sw Banerjee and K. Banicz and A. Barczyk and R. Barill{\'e}re and L. Barone and P. Bartalini and A. Baschirotto and M. Basile and R. Battiston and A. Bay and F. Becattini and U. Becker and F. Behner and J. Berdugo and P. Berges and B. Bertucci and Betev, \{B. L.\} and S. Bhattacharya and M. Biasini and A. Biland and Bilei, \{G. M.\} and Blaising, \{J. J.\} and Blyth, \{S. C.\} and Bobbink, \{G. J.\} and R. Bock and A. Bohm and L. Boldizsar and B. Borgia and D. Bourilkov and I. Iashvili",

year = "1998",

month = oct,

day = "29",

doi = "10.1016/S0370-2693(98)01173-3",

language = "English",

volume = "439",

pages = "183--196",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier B.V.",

number = "1-2",

}

TY - JOUR

T1 - Measurement of radiative Bhabha and quasi-real Compton scattering

AU - L3 Collaboration

AU - Acciarri, M.

AU - Adriani, O.

AU - Aguilar-Benitez, M.

AU - Ahlen, S.

AU - Alcaraz, J.

AU - Alemanni, G.

AU - Allaby, J.

AU - Aloisio, A.

AU - Alviggi, M. G.

AU - Ambrosi, G.

AU - Anderhub, H.

AU - Andreev, V. P.

AU - Angelescu, T.

AU - Anselmo, F.

AU - Arefiev, A.

AU - Azemoon, T.

AU - Aziz, T.

AU - Bagnaia, P.

AU - Baksay, L.

AU - Banerjee, S.

AU - Banerjee, Sw

AU - Banicz, K.

AU - Barczyk, A.

AU - Barillére, R.

AU - Barone, L.

AU - Bartalini, P.

AU - Baschirotto, A.

AU - Basile, M.

AU - Battiston, R.

AU - Bay, A.

AU - Becattini, F.

AU - Becker, U.

AU - Behner, F.

AU - Berdugo, J.

AU - Berges, P.

AU - Bertucci, B.

AU - Betev, B. L.

AU - Bhattacharya, S.

AU - Biasini, M.

AU - Biland, A.

AU - Bilei, G. M.

AU - Blaising, J. J.

AU - Blyth, S. C.

AU - Bobbink, G. J.

AU - Bock, R.

AU - Bohm, A.

AU - Boldizsar, L.

AU - Borgia, B.

AU - Bourilkov, D.

AU - Iashvili, I.

PY - 1998/10/29

Y1 - 1998/10/29

N2 - We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50 GeV and 170 GeV, and 20 GeV and 140 GeV, respectively, using the L3 detector at LEP. The analysis is based on data corresponding to an integrated luminosity of 232.2 pb-1. A total of 2856 radiative Bhabha and 4641 Compton scattering events are collected. Total and differential cross sections for both reactions are presented and found to be in good agreement with QED expectations. Our measurement of Compton scattering at the highest energies obtained so far is used to derive exclusion limits on the coupling λ for the on-shell production of an excited electron e(black star) decaying into a γe pair in the mass range 20GeV < me* < 170GeV.

AB - We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50 GeV and 170 GeV, and 20 GeV and 140 GeV, respectively, using the L3 detector at LEP. The analysis is based on data corresponding to an integrated luminosity of 232.2 pb-1. A total of 2856 radiative Bhabha and 4641 Compton scattering events are collected. Total and differential cross sections for both reactions are presented and found to be in good agreement with QED expectations. Our measurement of Compton scattering at the highest energies obtained so far is used to derive exclusion limits on the coupling λ for the on-shell production of an excited electron e(black star) decaying into a γe pair in the mass range 20GeV < me* < 170GeV.

UR - https://www.scopus.com/pages/publications/0345759341

U2 - 10.1016/S0370-2693(98)01173-3

DO - 10.1016/S0370-2693(98)01173-3

M3 - Article

AN - SCOPUS:0345759341

SN - 0370-2693

VL - 439

SP - 183

EP - 196

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1-2

ER -

Measurement of radiative Bhabha and quasi-real Compton scattering

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