Search for technicolor with DELPHI

被引：13

作者：

Abdallah, J

Abreu, P

Adam, W

Adzic, P

Albrecht, T

Alderweireld, T

Alemany-Fernandez, R

Allport, PP

Ahmehed, S

Almendinger, T

Amaldi, U

Amapane, N

Amato, S

Anashkin, E

Andreazza, A

Andringa, S

Anjos, N

Antilogus, P

Apel, WD

Arnoud, Y

Ask, S

Asman, B

Augustin, JE

Augustinus, A

Baillon, P

Ballestrero, A

Bambade, P

Barbier, R

Bardin, D

Barker, G

Baroncelli, A

Battaglia, M

Baubillier, M

Becks, KH

Begalli, M

Behrmann, A

Bellunato, T

Benekos, N

Benvenuti, A

Berat, C

Berggren, M

Berntzon, L

Bertrand, D

Besancon, M

Besson, N

Bloch, D

Blom, M

Boiko, I

Bonesini, M

Boonekamp, M

机构：

[1] Univ Paris 06, LPNHE, CNRS, IN2P3, F-75252 Paris 05, France

[2] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

[3] Univ Instelling Antwerp, Dept Phys, B-2610 Antwerp, Belgium

[4] Free Univ Brussels, IIHE, B-1050 Brussels, Belgium

[5] Univ Etat Mons, Fac Sci, B-7000 Mons, Belgium

[6] Univ Athens, Phys Lab, GR-10680 Athens, Greece

[7] Univ Bergen, Dept Phys, N-5007 Bergen, Norway

[8] Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy

[9] Ist Nazl Fis Nucl, I-40126 Bologna, Italy

[10] Ctr Brasileiro Pesquisas Fis, BR-22290 Rio De Janeiro, Brazil

[11] Pontificia Univ Catolica Rio de Janeiro, Dept Fis, BR-22453 Rio De Janeiro, Brazil

[12] Univ Estado Rio De Janeiro, Inst Fis, Rio De Janeiro, Brazil

[13] Coll France, Phys Corpusculaire Lab, CNRS, IN2P3, F-75231 Paris 05, France

[14] CERN, CH-1211 Geneva 23, Switzerland

[15] ULP, Inst Rech Subatom, CNRS, IN2P3, F-67037 Strasbourg, France

[16] NCSR Demokritos, Inst Nucl Phys, GR-15310 Athens, Greece

[17] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy

[18] Ist Nazl Fis Nucl, I-16146 Genoa, Italy

[19] Univ Grenoble 1, Inst Sci Nucl, CNRS, IN2P3, F-38026 Grenoble, France

[20] Helsinki Inst Phys, Helsinki 00014, Finland

[21] Joint Inst Nucl Res, Moscow 101000, Russia

[22] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany

[23] Inst Nucl Phys, PL-30055 Krakow, Poland

[24] Univ Min & Met Krakow, Fac Phys & Nucl Tech, PL-30055 Krakow, Poland

[25] Univ Paris 11, Lab Accelerateur Lineaire, CNRS, IN2P3, F-91405 Orsay, France

[26] Univ Lancaster, Sch Phys & Chem, Lancaster LA1 4YB, England

[27] Inst Super Tecn, FCUL, LIP, P-1000 Lisbon, Portugal

[28] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England

[29] Univ Paris 07, LPNHE, CNRS, IN2P3, F-75252 Paris 05, France

[30] Lund Univ, Dept Phys, S-22363 Lund, Sweden

[31] Univ Lyon 1, IPNL, CNRS, IN2P3, F-69622 Villeurbanne, France

[32] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

[33] Ist Nazl Fis Nucl, I-20133 Milan, Italy

[34] Univ Milano Bicocca, Dipartimento Fis, I-20126 Milan, Italy

[35] Ist Nazl Fis Nucl, I-20126 Milan, Italy

[36] Charles Univ Prague, IPNP MFF, Areal MFF, CR-18000 Prague 8, Czech Republic

[37] NIKHEF H, NL-1009 DB Amsterdam, Netherlands

[38] Natl Tech Univ Athens, Dept Phys, GR-15773 Athens, Greece

[39] Univ Oslo, Dept Phys, N-1000 Oslo 3, Norway

[40] Univ Oviedo, Dept Fis, E-33007 Oviedo, Spain

[41] Univ Oxford, Dept Phys, Oxford OX1 3RH, England

[42] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy

[43] Ist Nazl Fis Nucl, I-35131 Padua, Italy

[44] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[45] Univ Roma Tor Vergata, Dipartimento Fis, I-00173 Rome, Italy

[46] Ist Nazl Fis Nucl, I-00173 Rome, Italy

[47] Univ Roma 3, Dipartimento Fis, I-00146 Rome, Italy

[48] Ist Nazl Fis Nucl, I-00146 Rome, Italy

[49] CEA Saclay, Serv Phys Particules, DAPNIA, F-91191 Gif Sur Yvette, France

[50] UC, CSIC, Inst Fis Cantabria, Santander 39006, Spain

来源：

EUROPEAN PHYSICAL JOURNAL C | 2001年 / 22卷 / 01期

关键词：

D O I：

10.1007/s100520100782

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Technicolor represents, a viable alternative to the Higgs mechanism for generating gauge boson masses. Searches fur technicolor particles rho (T) and pi (T) have been performed in the, data collected by the DELPHI experiment at LEP at centre-of-mass energies between 192 and 208 GeV corresponding to an integrated luminosity of 152 pb(-1) Good agreement is observed with the SM expectation in all channels studied. This is translated into an excluded region in the (M-piT, M-rhoT) plane. The (rhoT) production is excluded for all 90 < M-<rho>T < 206.7 GeV/c(2). Assuming a point-like interaction of the (<pi>T) with gauge bosons, an absolute lower limit on the charged pi (T) mass at 95% CL is set at 79.8 GeV/c(2) independently of other parameters of the technicolor model.

引用

页码：17 / 29

页数：13

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