Single and multi-photon events with missing energy in e+e- collisions at 161 GeV<√s<172 GeV

被引:29
作者
Acciarri, M
Adriani, O
Aguilar-Benitez, M
Ahlen, S
Alcaraz, J
Alemanni, G
Allaby, J
Aloisio, A
Alverson, G
Alviggi, MG
Ambrosi, G
Anderhub, H
Andreev, VP
Angelescu, T
Anselmo, F
Arefiev, A
Azemoon, T
Aziz, T
Bagnaia, P
Baksay, L
Banerjee, S
Banerjee, S
Banicz, K
Barczyk, A
Barillere, R
Barone, L
Bartalini, P
Baschirotto, A
Basile, M
Battiston, R
Bay, A
Becattini, F
Becker, U
Behner, F
Berdugo, J
Berges, P
Bertucci, B
Betev, BL
Bhattacharya, S
Biasini, M
Biland, A
Bilei, GM
Blaising, JJ
Blyth, SC
Bobbink, GJ
Bock, R
Bohm, A
Boldizsar, L
Borgia, B
Bourilkov, D
机构
[1] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy
[2] Rhein Westfal TH Aachen, Inst Phys 1, D-52056 Aachen, Germany
[3] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany
[4] NIKHEF H, Natl Inst High Energy Phys, NL-1009 DB Amsterdam, Netherlands
[5] Univ Amsterdam, NL-1009 DB Amsterdam, Netherlands
[6] Univ Michigan, Ann Arbor, MI 48109 USA
[7] IN2P3, LAPP, CNRS, Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France
[8] Johns Hopkins Univ, Baltimore, MD 21218 USA
[9] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland
[10] Louisiana State Univ, Baton Rouge, LA 70803 USA
[11] Inst High Energy Phys, IHEP, Beijing 100039, Peoples R China
[12] Humboldt Univ, D-10099 Berlin, Germany
[13] Univ Bologna, I-40126 Bologna, Italy
[14] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy
[15] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[16] Boston Univ, Boston, MA 02215 USA
[17] Northeastern Univ, Boston, MA 02215 USA
[18] Inst Atom Phys, R-76900 Bucharest, Romania
[19] Univ Bucharest, R-76900 Bucharest, Romania
[20] Hungarian Acad Sci, Cent Res Inst Phys, H-1525 Budapest 114, Hungary
[21] Harvard Univ, Cambridge, MA 02139 USA
[22] MIT, Cambridge, MA 02139 USA
[23] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy
[24] Univ Florence, I-50125 Florence, Italy
[25] CERN, European Lab Particle Phys, CH-1211 Geneva 23, Switzerland
[26] World Lab, FBLJA Project, CH-1211 Geneva 23, Switzerland
[27] Univ Geneva, CH-1211 Geneva 23, Switzerland
[28] Chinese Univ Sci & Technol, USTC, Hefei 230029, Anhui, Peoples R China
[29] Res Inst High Energy Phys, SEFT, SF-00014 Helsinki, Finland
[30] Univ Lausanne, CH-1015 Lausanne, Switzerland
[31] Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy
[32] Univ Lecce, I-73100 Lecce, Italy
[33] Los Alamos Natl Lab, Los Alamos, NM 87544 USA
[34] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France
[35] CIEMAT, Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain
[36] ITEP, Inst Theoret & Expt Phys, Moscow, Russia
[37] Ist Nazl Fis Nucl, Sez Naploi, I-80125 Naples, Italy
[38] Univ Naples Federico II, I-80125 Naples, Italy
[39] Univ Cyprus, Dept Nat Sci, Nicosia, Cyprus
[40] Univ Nijmegen, NL-6525 ED Nijmegen, Netherlands
[41] Natl Inst Nucl Phys & High Energy Phys, NL-6525 ED Nijmegen, Netherlands
[42] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
[43] CALTECH, Pasadena, CA 91125 USA
[44] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy
[45] Univ Perugia, I-06100 Perugia, Italy
[46] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[47] Princeton Univ, Princeton, NJ 08544 USA
[48] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy
[49] Univ Roma La Sapienza, I-00185 Rome, Italy
[50] Russian Acad Sci, Inst Nucl Phys, St Petersburg, Russia
基金
匈牙利科学研究基金会; 中国国家自然科学基金;
关键词
D O I
10.1016/S0370-2693(97)01296-3
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A search for single and multi-photon events with missing energy is performed using data collected at centre-of-mass energies between 161 GeV and 172 GeV for a total of 20.9 pb(-1) of integrated luminosity. The results obtained are used to derive the value for the nu<(nu)over bar>gamma(gamma) cross section as well as upper limits on new physics processes. (C) 1997 Published by Elsevier Science B.V.
引用
收藏
页码:299 / 310
页数:12
相关论文
共 46 条
[21]   Luminosity measurement in the L3 detector at LEP [J].
Brock, IC ;
Engler, A ;
Ferguson, T ;
Filthaut, F ;
Kraemer, RW ;
Merk, M ;
Rippich, C ;
Shi, X ;
Shukla, J ;
Sutton, RB ;
Tsipolitis, G ;
Vogel, H ;
You, J ;
Lecoq, P ;
Bobbink, GJ ;
Buskens, J ;
Cerjak, I ;
Groenstege, H ;
Koffeman, E ;
Linde, FL ;
Raven, G ;
Rewiersma, P ;
Schuijlenberg, HWA ;
deWaard, A ;
Commichau, V ;
Hangarter, K ;
Schmitz, P .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1996, 381 (2-3) :236-266
[22]  
BRUN R, 1987, DDEE841 CERN
[23]   A study of single and multi-photon production in e(+)e(-) collisions at centre-of-mass energies of 130 and 136 GeV [J].
Buskulic, D ;
DeBonis, I ;
Decamp, D ;
Ghez, P ;
Goy, C ;
Lees, JP ;
Lucotte, A ;
Minard, MN ;
Odier, P ;
Pietrzyk, B ;
Casado, MP ;
Chmeissani, M ;
Crespo, JM ;
Delfino, M ;
Efthymiopoulos, I ;
Fernandez, E ;
FernandezBosman, M ;
Garrido, L ;
Juste, A ;
Martinez, M ;
Orteu, S ;
Padilla, C ;
Pascual, A ;
Perlas, JA ;
Riu, I ;
Sanchez, E ;
Teubert, F ;
Colaleo, A ;
Creanza, D ;
dePalma, M ;
Gelao, G ;
Girone, M ;
Iaselli, G ;
Maggi, G ;
Maggi, M ;
Marinelli, N ;
Nuzzo, S ;
Ranieri, A ;
Raso, G ;
Ruggieri, F ;
Selvaggi, G ;
Silvestris, L ;
Tempesta, P ;
Zito, G ;
Huang, X ;
Lin, J ;
Ouyang, Q ;
Wang, T ;
Xie, Y ;
Xu, R .
PHYSICS LETTERS B, 1996, 384 (1-4) :333-342
[24]   A DIRECT MEASUREMENT OF THE INVISIBLE WIDTH OF THE Z FROM SINGLE-PHOTON COUNTING [J].
BUSKULIC, D ;
DEBONIS, I ;
DECAMP, D ;
GHEZ, P ;
GOY, C ;
LEES, JP ;
MINARD, MN ;
PIETRZYK, B ;
ARIZTIZABAL, F ;
COMAS, P ;
CRESPO, JM ;
DELFINO, M ;
EFTHYMIOPOULOS, I ;
FERNANDEZ, E ;
FERNANDEZBOSMAN, M ;
GAITAN, V ;
GARRIDO, L ;
MATTISON, T ;
PACHECO, A ;
PADILLA, C ;
PASCUAL, A ;
CREANZA, D ;
DEPALMA, M ;
FARILLA, A ;
IASELLI, G ;
MAGGI, G ;
NATALI, S ;
NUZZO, S ;
QUATTROMINI, M ;
RANIERI, A ;
RASO, G ;
ROMANO, F ;
RUGGIERI, F ;
SELVAGGI, G ;
SILVESTRIS, L ;
TEMPESTA, P ;
ZITO, G ;
CHAI, Y ;
HU, H ;
HUANG, D ;
HUANG, X ;
LIN, J ;
WANG, T ;
XIE, Y ;
XU, D ;
XU, R ;
ZHANG, J ;
ZHANG, L ;
ZHAO, W ;
BLUCHER, E .
PHYSICS LETTERS B, 1993, 313 (3-4) :520-534
[25]   TEST BEAM RESULTS FOR AN UPGRADED FORWARD TAGGER OF THE L3 EXPERIMENT AT LEP-II [J].
CHEMARIN, M ;
DEPASSE, P ;
FAY, J ;
FELCINI, M ;
FREDJ, L ;
ILLE, B ;
NESSITEDALDI, F ;
SUSINNO, GF .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1994, 349 (2-3) :345-355
[26]   Experimental signatures of low energy gauge-mediated supersymmetry breaking [J].
Dimopoulos, S ;
Dine, M ;
Raby, S ;
Thomas, S .
PHYSICAL REVIEW LETTERS, 1996, 76 (19) :3494-3497
[27]   A VERY LIGHT GRAVITINO IN A NO-SCALE MODEL [J].
ELLIS, J ;
ENQVIST, K ;
NANOPOULOS, DV .
PHYSICS LETTERS B, 1984, 147 (1-3) :99-102
[28]   SEARCH FOR PHOTINOS IN E+E- ANNIHILATION [J].
ELLIS, J ;
HAGELIN, JS .
PHYSICS LETTERS B, 1983, 122 (3-4) :303-309
[29]   LOWER LIMIT ON THE MASS OF A LIGHT GRAVITINO FROM E+E- ANNIHILATION EXPERIMENTS [J].
FAYET, P .
PHYSICS LETTERS B, 1986, 175 (04) :471-477
[30]   RADIATIVE PRODUCTION OF GRAVITINOS AND PHOTINOS IN E+E- ANNIHILATION [J].
FAYET, P .
PHYSICS LETTERS B, 1982, 117 (06) :460-466