We present a search for excited and exotic electrons (e(*)) decaying to an electron and a photon, both with high transverse momentum. We use 202 pb(-1) of data collected in p (p) over bar collisions at root s =1.96 TeV with the Collider Detector at Fermilab II detector. No signal above standard model expectation is seen for associated ee(*) production. We discuss the e(*) sensitivity in the parameter space of the excited electron mass M(e)(*) and the compositeness energy scale Lambda. In the contact interaction model, we exclude 132 GeV/c(2)< M(e*)< 879 GeV/c(2) for Lambda=M(e*) at 95% confidence level (C.L.). In the gauge-mediated model, we exclude 126 GeV/c(2)< M(e*)< 430 GeV/c(2) at 95% C.L. for the phenomenological coupling f/Lambda approximate to 10(-2) GeV(-1).
Search for excited and exotic electrons in the e gamma decay channel in p(p)over-bar collisions at root s=1.96 TeV / Acosta, D; Adelman, J; Affolder, T; Akimoto, T; Albrow, Mg; Ambrose, D; Amerio, S; Amidei, D; Anastassov, A; Anikeev, K; Annovi, A; Antos, J; Aoki, M; Apollinari, G; Arisawa, T; Arguin, Jf; Artikov, A; Ashmanskas, W; Attal, A; Azfar, F; AZZI BACCHETTA, P; Bacchetta, N; Bachacou, H; Badgett, W; BARBARO GALTIERI, A; Barker, Gj; Barnes, Ve; Barnett, Ba; Baroiant, S; Barone, M; Bauer, G; Bedeschi, F; Behari, S; Belforte, S; Bellettini, G; Bellinger, J; BEN HAIM, E; Benjamin, D; Beretvas, A; Bhatti, A; Binkley, M; Bisello, D; Bishai, M; Blair, Re; Blocker, C; Bloom, K; Blumenfeld, B; Bocci, A; Bodek, A; Bolla, G; Bolshov, A; Booth, Psl; Bortoletto, D; Boudreau, J; Bourov, S; Bromberg, C; Brubaker, E; Budagov, J; Budd, Hs; Burkett, K; Busetto, G; Bussey, P; Byrum, Kl; Cabrera, S; Campanelli, M; Campbell, M; Canepa, A; Casarsa, M; Carlsmith, D; Carron, S; Carosi, R; CAVALLI SFORZA, M; 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[10.1103/physrevlett.94.101802]
Search for excited and exotic electrons in the e gamma decay channel in p(p)over-bar collisions at root s=1.96 TeV
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CHUNG JY; CHUNG WH; CHUNG YS; CIOBANU CI; CIOCCI MA; CLARK AG; CLARK D; COCA M; CONNOLLY A; CONVERY M; CONWAY J; COOPER B; CORDELLI M; CORTIANA G; CRANSHAW J; CUEVAS J; CULBERTSON R; CURRAT C; CYR D; DAGENHART D; DA RONCO S; D'AURIA S; DE BARBARO P; DE CECCO, Sandro ;DE LENTDECKER G; DELL'AGNELLO S; DELL'ORSO M; DEMERS S; DEMORTIER L; DENINNO M; DE PEDIS D; DERWENT PF; DIONISI, Carlo ;DITTMANN JR; DOKSUS P; DOMINGUEZ A; DONATI S; DONEGA M; DONINI J; D'ONOFRIO M; DORIGO T; DROLLINGER V; EBINA K; EDDY N; ELY R; ERBACHER R; ERDMANN M; ERREDE D; ERREDE S; EUSEBI R; FANG HC; FARRINGTON S; FEDORKO I; FEILD RG; FEINDT M; FERNANDEZ JP; FERRETTI C; FIELD RD; FIORI I; FLANAGAN G; FLAUGHER B; FLORES CASTILLO LR; FOLAND A; FORRESTER S; FOSTER GW; FRANKLIN M; FREEMAN JC; FRISCH H; FUJII Y; FURIC I; GAJJAR A; GALLAS A; GALYARDT J; GALLINARO M; GARFINKEL AF; GAY C; GERBERICH H; GERDES DW; GERCHTEIN E; GIAGU, Stefano ;GIANNETTI P; GIBSON A; GIBSON K; GINSBURG C; GIOLO K; GIORDANI M; GIURGIU G; GLAGOLEV V; 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TOLLEFSON K; TOMURA T; TONELLI D; TONNESMANN M; TORRE S; TORRETTA D; TOURNEUR S; TRISCHUK W; TSENG J; TSUCHIYA R; TSUNO S; TSYBYCHEV D; TURINI N; TURNER M; UKEGAWA F; UNVERHAU T; UOZUMI S; USYNIN D; VACAVANT L; VAICIULIS A; VARGANOV A; VATAGA E; VEJCIK S; VELEV G; VESZPREMI V; VERAMENDI G; VICKEY T; VIDAL R; VILA I; VILAR R; VOLLRATH I; VOLOBOUEV I; VON DER MEY M; WAGNER P; WAGNER RG; WAGNER RL; WAGNER W; WALLNY R; WALTER T; YAMASHITA T; YAMAMOTO K; WAN Z; WANG MJ; WANG SM; WARBURTON A; WARD B; WASCHKE S; WATERS D; WATTS T; WEBER M; WESTER WC; WHITEHOUSE B; WICKLUND AB; WICKLUND E; WILLIAMS HH; WILSON P; WINER BL; WITTICH P; WOLBERS S; WOLTER M; WORCESTER M; WORM S; WRIGHT T; WU X; WURTHWEIN F; WYATT A; YAGIL A; YANG UK; YAO W; YEH GP; YI K; YOH J; YOON P; YORITA K; YOSHIDA T; YU I; YU S; YU Z; YUN JC; ZANELLO L; ZANETTI A; ZAW I; ZETTI F; ZHOU J; ZSENEI A; ZUCCHELLI S.
2005
Abstract
We present a search for excited and exotic electrons (e(*)) decaying to an electron and a photon, both with high transverse momentum. We use 202 pb(-1) of data collected in p (p) over bar collisions at root s =1.96 TeV with the Collider Detector at Fermilab II detector. No signal above standard model expectation is seen for associated ee(*) production. We discuss the e(*) sensitivity in the parameter space of the excited electron mass M(e)(*) and the compositeness energy scale Lambda. In the contact interaction model, we exclude 132 GeV/c(2)< M(e*)< 879 GeV/c(2) for Lambda=M(e*) at 95% confidence level (C.L.). In the gauge-mediated model, we exclude 126 GeV/c(2)< M(e*)< 430 GeV/c(2) at 95% C.L. for the phenomenological coupling f/Lambda approximate to 10(-2) GeV(-1).
Citazione
Search for excited and exotic electrons in the e gamma decay channel in p(p)over-bar collisions at root s=1.96 TeV / Acosta, D; Adelman, J; Affolder, T; Akimoto, T; Albrow, Mg; Ambrose, D; Amerio, S; Amidei, D; Anastassov, A; Anikeev, K; Annovi, A; Antos, J; Aoki, M; Apollinari, G; Arisawa, T; Arguin, Jf; Artikov, A; Ashmanskas, W; Attal, A; Azfar, F; AZZI BACCHETTA, P; Bacchetta, N; Bachacou, H; Badgett, W; BARBARO GALTIERI, A; Barker, Gj; Barnes, Ve; Barnett, Ba; Baroiant, S; Barone, M; Bauer, G; Bedeschi, F; Behari, S; Belforte, S; Bellettini, G; Bellinger, J; BEN HAIM, E; Benjamin, D; Beretvas, A; Bhatti, A; Binkley, M; Bisello, D; Bishai, M; Blair, Re; Blocker, C; Bloom, K; Blumenfeld, B; Bocci, A; Bodek, A; Bolla, G; Bolshov, A; Booth, Psl; Bortoletto, D; Boudreau, J; Bourov, S; Bromberg, C; Brubaker, E; Budagov, J; Budd, Hs; Burkett, K; Busetto, G; Bussey, P; Byrum, Kl; Cabrera, S; Campanelli, M; Campbell, M; Canepa, A; Casarsa, M; Carlsmith, D; Carron, S; Carosi, R; CAVALLI SFORZA, M; 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Il report seguente simula gli indicatori relativi alla propria produzione scientifica in relazione alle soglie ASN 2023-2025 del proprio SC/SSD. Si ricorda che il superamento dei valori soglia (almeno 2 su 3) è requisito necessario ma non sufficiente al conseguimento dell'abilitazione. La simulazione si basa sui dati IRIS e sugli indicatori bibliometrici alla data indicata e non tiene conto di eventuali periodi di congedo obbligatorio, che in sede di domanda ASN danno diritto a incrementi percentuali dei valori. La simulazione può differire dall'esito di un’eventuale domanda ASN sia per errori di catalogazione e/o dati mancanti in IRIS, sia per la variabilità dei dati bibliometrici nel tempo. Si consideri che Anvur calcola i valori degli indicatori all'ultima data utile per la presentazione delle domande. La presente simulazione è stata realizzata sulla base delle specifiche raccolte sul tavolo ER del Focus Group IRIS coordinato dall’Università di Modena e Reggio Emilia e delle regole riportate nel DM 589/2018 e allegata Tabella A. Cineca, l’Università di Modena e Reggio Emilia e il Focus Group IRIS non si assumono alcuna responsabilità in merito all’uso che il diretto interessato o terzi faranno della simulazione. Si specifica inoltre che la simulazione contiene calcoli effettuati con dati e algoritmi di pubblico dominio e deve quindi essere considerata come un mero ausilio al calcolo svolgibile manualmente o con strumenti equivalenti.