A search for lepton flavour violating Z0 decays
A search for lepton flavour violating Z0 decays
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DOI：
10.1007/bf01553981
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发表时间：
1995-12
期刊：
影响因子：
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通讯作者：
R. Akers;G. Alexander;J. Allison;N. Altekamp;K. Ametewee;K. Anderson;S. Anderson;S. Arcelli;S. Asai;D. Axen;G. Azuelos;A. Ball;E. Barberio;R. Barlow;R. Bartoldus;J. Batley;G. Beaudoin;S. Bethke;A. Beck;G. Beck;C. Beeston;T. Behnke;K. Bell;G. Bella;S. Bentvelsen;P. Berlich;J. Bechtluft;O. Biebel;I. Bloodworth;P. Bock;H. M. Bosch;M. Boutemeur;S. Braibant;P. Bright-Thomas;R. Brown;A. Buijs;H. Burckhart;R. Bürgin;C. Burgard;P. Capiluppi;R. Carnegie;A. Carter;J. Carter;C. Y. Chang;C. Charlesworth;D. Charlton;S. Chu;P. Clarke;J. C. Clayton;S. Clowes;I. Cohen;J. Conboy;O. Cooke;M. Cuffiani;S. Dado;C. Dallapiccola;G. Dallavalle;C. Darling;S. Jong;L. Pozo;H. Deng;M. Dixit;E. do Couto e Silva;J. Duboscq;E. Duchovni;G. Duckeck;I. Duerdoth;U. C. Dunwoody;J. Edwards;P. Estabrooks;H. Evans;F. Fabbri;B. Fabbro;M. Fanti;P. Fath;F. Fiedler;M. Fierro;M. Fincke-Keeler;H. Fischer;R. Folman;D. Fong;M. Foucher;H. Fukui;A. Fürtjes;P. Gagnon;A. Gaidot;J. Gary;J. Gascón;N. Geddes;C. Geich-Gimbel;S. Gensler;F. Gentit;T. Geralis;G. Giacomelli;Paolo Giacomelli;R. Giacomelli;V. Gibson;W. Gibson;J. Gillies;J. Goldberg;D. Gingrich;M. Goodrick;W. Gorn;C. Grandi;E. Gross;G. Hanson;M. Hansroul;M. Hapke;C. Hargrove;P. Hart;C. Hartmann;M. Hauschild;C. Hawkes;R. Hawkings;R. J. Hemingway;G. Herten;R. Heuer;J. Hill;S. Hillier;T. Hilse;P. Hobson;D. Hochman;R. Homer;A. Honma;R. Howard;R. Hughes-Jones;D. Hutchcroft;P. Igo-Kemenes;D. Imrie;A. Jawahery;P. Jeffreys;H. Jérémie;M. Jimack;A. Joly;M. Jones;R. Jones;P. Jovanović;D. Karlen;J. Kanzaki;K. Kawagoe;T. Kawamoto;R. Keeler;R. Kellogg;B. Kennedy;B. King;J. King;J. Kirk;S. Kluth;T. Kobayashi;M. Kobel;D. Koetke;T. Kokott;S. Komamiya;R. Kowalewski;T. Kress;P. Krieger;J. Krogh;P. Kyberd;G. Lafferty;H. Lafoux;R. Lahmann;W. Lai;D. Lanske;J. Lauber;J. Layter;A. Lee;E. Lefebvre;D. Lellouch;J. Letts;L. Levinson;S. Lloyd;F. Loebinger;G. D. Long;B. Lorazo;M. Losty;X. Lou;J. Ludwig;A. Luig;A. Malik;M. Mannelli;S. Marcellini;C. Markus;A. Martin;J. Martin;T. Mashimo;W. Matthews;P. Mättig;J. McKenna;E. Mckigney;T. Mcmahon;A. McNab;F. Meijers;S. Menke;F. Merritt;H. Mes;A. Michelini;G. Mikenberg;D. Miller;R. Mir;W. Mohr;A. Montanari;Takashi Mori;M. Morii;U. Müller;B. Nellen;B. Nijjhar;S. O'neale;F. G. Oakham;F. Odorici;H. Ogren;N. Oldershaw;C. Oram;M. Oreglia;S. Orito;F. Palmonari;J. Pansart;G. Patrick;M. J. Pearce;P. Phillips;J. Pilcher;J. Pinfold;D. Plane;P. Poffenberger;B. Poli;A. Posthaus;T. Pritchard;H. Przysiezniak;M. W. Redmond;D. Rees;D. Rigby;M. Rison;S. Robins;N. Rodning;J. Roney;E. Ros;A. Rossi;M. Rosvick;P. Routenburg;Y. Rozen;K. Runge;O. Rúnolfsson;D. Rust;M. Sasaki;C. Sbarra;A. Schaile;O. Schaile;F. Scharf;P. Scharff-Hansen;P. Schenk;B. Schmitt;M. Schröder;H. Schultz-Coulon;P. Schütz;M. Schulz;J. Schwiening;W. Scott;M. Settles;T. Shears;B. Shen;C. Shepherd-Themistocleous;P. Sherwood;G. Siroli;A. Skillman;A. Skuja;A. Smith;T. Smith;G. Snow;R. Sobie;S. Söldner-Rembold;R. Springer;M. Sproston;A. Stahl;M. Starks;C. Stegmann;K. Stephens;J. Steuerer;B. Stockhausen;D. Strom;P. Szymański;R. Tafirout;P. Taras;S. Tarem;M. Tecchio;P. Teixeira-Dias;N. Tesch;M. Thomson;E. Törne;S. Towers;M. Tscheulin;T. Tsukamoto;A. Turcot;M. F. Turner-Watson;P. Utzat;R. Kooten;G. Vasseur;P. Vikas;M. Vincter;F. Wäckerle;A. Wagner;D. Wagner;C. Ward;D. Ward;J. Ward;P. Watkins;A. Watson;N. Watson;P. Weber;P. Wells;N. Wermes;B. Wilkens;G. Wilson;J. Wilson;T. Wlodek;G. Wolf;S. Wotton;T. Wyatt;G. Yekutieli;V. Zacek;W. Zeuner;G. Zorn;Opal Collaboration
中科院分区：
文献类型：
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作者：
R. Akers;G. Alexander;J. Allison;N. Altekamp;K. Ametewee;K. Anderson;S. Anderson;S. Arcelli;S. Asai;D. Axen;G. Azuelos;A. Ball;E. Barberio;R. Barlow;R. Bartoldus;J. Batley;G. Beaudoin;S. Bethke;A. Beck;G. Beck;C. Beeston;T. Behnke;K. Bell;G. Bella;S. Bentvelsen;P. Berlich;J. Bechtluft;O. Biebel;I. Bloodworth;P. Bock;H. M. Bosch;M. Boutemeur;S. Braibant;P. Bright-Thomas;R. Brown;A. Buijs;H. Burckhart;R. Bürgin;C. Burgard;P. Capiluppi;R. Carnegie;A. Carter;J. Carter;C. Y. Chang;C. Charlesworth;D. Charlton;S. Chu;P. Clarke;J. C. Clayton;S. Clowes;I. Cohen;J. Conboy;O. Cooke;M. Cuffiani;S. Dado;C. Dallapiccola;G. Dallavalle;C. Darling;S. Jong;L. Pozo;H. Deng;M. Dixit;E. do Couto e Silva;J. Duboscq;E. Duchovni;G. Duckeck;I. Duerdoth;U. C. Dunwoody;J. Edwards;P. Estabrooks;H. Evans;F. Fabbri;B. Fabbro;M. Fanti;P. Fath;F. Fiedler;M. Fierro;M. Fincke-Keeler;H. Fischer;R. Folman;D. Fong;M. Foucher;H. Fukui;A. Fürtjes;P. Gagnon;A. Gaidot;J. Gary;J. Gascón;N. Geddes;C. Geich-Gimbel;S. Gensler;F. Gentit;T. Geralis;G. Giacomelli;Paolo Giacomelli;R. Giacomelli;V. Gibson;W. Gibson;J. Gillies;J. Goldberg;D. Gingrich;M. Goodrick;W. Gorn;C. Grandi;E. Gross;G. Hanson;M. Hansroul;M. Hapke;C. Hargrove;P. Hart;C. Hartmann;M. Hauschild;C. Hawkes;R. Hawkings;R. J. Hemingway;G. Herten;R. Heuer;J. Hill;S. Hillier;T. Hilse;P. Hobson;D. Hochman;R. Homer;A. Honma;R. Howard;R. Hughes-Jones;D. Hutchcroft;P. Igo-Kemenes;D. Imrie;A. Jawahery;P. Jeffreys;H. Jérémie;M. Jimack;A. Joly;M. Jones;R. Jones;P. Jovanović;D. Karlen;J. Kanzaki;K. Kawagoe;T. Kawamoto;R. Keeler;R. Kellogg;B. Kennedy;B. King;J. King;J. Kirk;S. Kluth;T. Kobayashi;M. Kobel;D. Koetke;T. Kokott;S. Komamiya;R. Kowalewski;T. Kress;P. Krieger;J. Krogh;P. Kyberd;G. Lafferty;H. Lafoux;R. Lahmann;W. Lai;D. Lanske;J. Lauber;J. Layter;A. Lee;E. Lefebvre;D. Lellouch;J. Letts;L. Levinson;S. Lloyd;F. Loebinger;G. D. Long;B. Lorazo;M. Losty;X. Lou;J. Ludwig;A. Luig;A. Malik;M. Mannelli;S. Marcellini;C. Markus;A. Martin;J. Martin;T. Mashimo;W. Matthews;P. Mättig;J. McKenna;E. Mckigney;T. Mcmahon;A. McNab;F. Meijers;S. Menke;F. Merritt;H. Mes;A. Michelini;G. Mikenberg;D. Miller;R. Mir;W. Mohr;A. Montanari;Takashi Mori;M. Morii;U. Müller;B. Nellen;B. Nijjhar;S. O'neale;F. G. Oakham;F. Odorici;H. Ogren;N. Oldershaw;C. Oram;M. Oreglia;S. Orito;F. Palmonari;J. Pansart;G. Patrick;M. J. Pearce;P. Phillips;J. Pilcher;J. Pinfold;D. Plane;P. Poffenberger;B. Poli;A. Posthaus;T. Pritchard;H. Przysiezniak;M. W. Redmond;D. Rees;D. Rigby;M. Rison;S. Robins;N. Rodning;J. Roney;E. Ros;A. Rossi;M. Rosvick;P. Routenburg;Y. Rozen;K. Runge;O. Rúnolfsson;D. Rust;M. Sasaki;C. Sbarra;A. Schaile;O. Schaile;F. Scharf;P. Scharff-Hansen;P. Schenk;B. Schmitt;M. Schröder;H. Schultz-Coulon;P. Schütz;M. Schulz;J. Schwiening;W. Scott;M. Settles;T. Shears;B. Shen;C. Shepherd-Themistocleous;P. Sherwood;G. Siroli;A. Skillman;A. Skuja;A. Smith;T. Smith;G. Snow;R. Sobie;S. Söldner-Rembold;R. Springer;M. Sproston;A. Stahl;M. Starks;C. Stegmann;K. Stephens;J. Steuerer;B. Stockhausen;D. Strom;P. Szymański;R. Tafirout;P. Taras;S. Tarem;M. Tecchio;P. Teixeira-Dias;N. Tesch;M. Thomson;E. Törne;S. Towers;M. Tscheulin;T. Tsukamoto;A. Turcot;M. F. Turner-Watson;P. Utzat;R. Kooten;G. Vasseur;P. Vikas;M. Vincter;F. Wäckerle;A. Wagner;D. Wagner;C. Ward;D. Ward;J. Ward;P. Watkins;A. Watson;N. Watson;P. Weber;P. Wells;N. Wermes;B. Wilkens;G. Wilson;J. Wilson;T. Wlodek;G. Wolf;S. Wotton;T. Wyatt;G. Yekutieli;V. Zacek;W. Zeuner;G. Zorn;Opal Collaboration
我们在1991 ～ 1994年在LEP用OPAL探测器收集的4.0×106visible Z0衰变样品中寻找了违反Z0→eμ、Z0→eτ和Z0→μτ衰变的轻子味。没有找到Z0→eμ的候选者。所选的Z0→eτ和Z0→μτ候选者的样品与预期背景一致。以下限制设定为95% confidence level: $$\begin{gathered} BR(Z^0 \to e\mu ){\text{ }}< {\text{ 1}}{\text{.7 }} \times {\text{ 10}}^{ - {\text{6}}} \hfill \\ BR(Z^0 \to e\tau ){\text{ }}< {\text{ 9}}{\text{.8 }} \times {\text{ 10}}^{ - {\text{6}}} \hfill \\ BR(Z^0 \to \mu \tau ){\text{ }}< {\text{ 17}}{\text{. }} \times {\text{ 10}}^{ - {\text{6}}} . \hfill \\ \end{gathered}$$
We have searched for lepton flavour violating Z0→eμ, Z0→eτ and Z0→μτ decays in a sample of 4.0×106visible Z0decays collected with the OPAL detector at LEP during 1991 to 1994. No candidates are found for Z0→eμ. The samples of selected Z0→eτ and Z0→μτ candidates are consistent with the expected background. The following limits are set at 95% confidence level: $$\begin{gathered} BR(Z^0 \to e\mu ){\text{ }}< {\text{ 1}}{\text{.7 }} \times {\text{ 10}}^{ - {\text{6}}} \hfill \\ BR(Z^0 \to e\tau ){\text{ }}< {\text{ 9}}{\text{.8 }} \times {\text{ 10}}^{ - {\text{6}}} \hfill \\ BR(Z^0 \to \mu \tau ){\text{ }}< {\text{ 17}}{\text{. }} \times {\text{ 10}}^{ - {\text{6}}} . \hfill \\ \end{gathered}$$