Test of Quantum Electrodynamics at {PETRA}

Test of Quantum Electrodynamics at {PETRA}
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{PETRA} 的量子电动力学测试

DOI：
10.1016/0370-2693(80)90338-x
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发表时间：
1980
期刊：
影响因子：
--
通讯作者：
C. Yanagisawa
C. Yanagisawa
中科院分区：
--
文献类型：
--
作者：
W. Bartel;T. Canzler;D. Cords;P. Dittmann;R. Eichler;R. Felst;D. Haidt;S. Kawabata;H. Krehbiel;B. Naroska;L. O’Neill;J. Olsson;P. Steffen;W. Yen;E. Elsen;M. Helm;A. Petersen;P. Warming;G. Weber;H. Drumm;J. Heintze;G. Heinzelmann;R. Heuer;J. Krogh;P. Lennert;H. Matsumura;T. Nozaki;H. Rieseberg;A. Wagner;D. Darvill;F. Foster;G. Hughes;H. Wriedt;J. Allison;J. Armitage;A. Ball;I. Duerdoth;J. Hassard;F. Loebinger;H. McCann;B. King;A. Macbeth;H. Mills;P. Murphy;H. Prosper;K. Stephens;D. Clarke;M. Goddard;R. Hedgecock;R. Marshall;G. Pearce;M. Imori;T. Kobayashi;S. Komamiya;M. Koshiba;M. Minowa;S. Orito;A. Sato;T. Suda;H. Takeda;Y. Totsuka;Yosuke Watanabe;S. Yamada;C. Yanagisawa

文献摘要

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给出了反应e+e−→ e+e−和e+e−→ γγ的微分截面，能量在27.7和31.6 GeV之间。结果与标准量子电动力学的预测一致，并将下限设定为通常的截止参数，最高可达104 GeV。在空前高的q2下，得到了温伯格角的极限sin2θW< 0.63。
Differential cross sections for the reactions e+e−→ e+e−and e+e−→ γγ are given for energies between 27.7 and 31.6 GeV. The results agree with the predictions of standard quantum electrodynamics and set lower limits to the usual cut-off parameters of up to 104 GeV. A limit on the Weinberg angle, sin2θW< 0.63, is obtained at unprecedentedly high q2.