Benvenuti nell'Anagrafe della Ricerca d'Ateneo
La valutazione delle attività di ricerca che si svolgono nelle università ha assunto un'importanza rilevante sia per l'intero sistema universitario sia all'interno di ogni singolo ateneo. Roma Tre si è quindi dotata di idonei strumenti informativi in grado di supportare al meglio le azioni di monitoraggio e di valutazione delle attività di ricerca svolte nei propri dipartimentied ha realizzato una Anagrafe della Ricerca di Ateneo.

An inclusive search for anomalous production of two prompt, isolated muons with the same electric charge is presented. The search is performed in a data sample corresponding to 1.6 fb(-1) of integrated luminosity collected in 2011 at root s = 7 TeV with the ATLAS detector at the LHC. Muon pairs are selected by requiring two isolated muons of the same electric charge with p(T) > 20 GeV and vertical bar eta vertical bar < 2.5. Minimal requirements are placed on the rest of the event activity. The distribution of the invariant mass of the muon pair m(mu mu) is found to agree well with the background expectation. Upper limits on the cross section for anomalous production of two muons with the same electric charge are placed as a function of m(mu mu) within a fiducial region defined by the event selection. The fiducial cross-section limit constrains the like-sign top-quark pair-production cross section to be below 3.7 pb at 95% confidence level. The data are also analyzed to search for a narrow like-sign dimuon resonance as predicted for e. g. doubly charged Higgs bosons (H-+/-+/-). Assuming pair production of H-+/-+/- bosons and a branching ratio to muons of 100% (33%), this analysis excludes masses below 355 (244) GeV and 251 (209) GeV for H-+/-+/- bosons coupling to left-handed and right-handed fermions, respectively.
Aad G, Abbott B, Abdallah J, Abdelalim AA, Abdesselam A, Abdinov O, et al. (2012). Search for anomalous production of prompt like-sign muon pairs and constraints on physics beyond the standard model with the ATLAS detector. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 85(3), 1-23.
Titolo: | Search for anomalous production of prompt like-sign muon pairs and constraints on physics beyond the standard model with the ATLAS detector |
Autori: | Aad G Abbott B Abdallah J Abdelalim AA Abdesselam A Abdinov O Abi B Abolins M AbouZeid OS Abramowicz H Abreu H Acerbi E Acharya BS Adamczyk L Adams DL Addy TN Adelman J Aderholz M Adomeit S Adragna P Adye T Aefsky S Aguilar Saavedra JA Aharrouche M Ahlen SP Ahles F Ahmad A Ahsan M Aielli G Akdogan T Akesson TPA Akimoto G Akimov AV Akiyama A Alam MS Alam MA Albert J Albrand S Aleksa M Aleksandrov IN Alessandria F Alexa C Alexander G Alexandre G Alexopoulos T Alhroob M Aliev M Alimonti G Alison J Aliyev M Allport PP Allwood Spiers SE Almond J Aloisio A Alon R Alonso A Gonzalez BA Alviggi MG Amako K Amaral P Amelung C Ammosov VV Amorim A Amoros G Amram N Anastopoulos C Ancu LS Andari N Andeen T Anders CF Anders G Anderson KJ Andreazza A Andrei V Andrieux ML Anduaga XS Angerami A Anghinolfi F Anisenkov A Anjos N Annovi A Antonaki A Antonelli M Antonov A Antos J Anulli F Aoun S Bella LA Apolle R Arabidze G Aracena I Arai Y Arce ATH Archambault JP Arfaoui S Arguin JF Arik E Arik M Armbruster AJ Arnaez O Artamonov A Artoni G Arutinov D Asai S Asfandiyarov R Ask S Asman B Asquith L Assamagan K Astbury A Astvatsatourov A Aubert B Auge E Augsten K Aurousseau M Avolio G Avramidou R Axen D Ay C Azuelos G Azuma Y Baak MA Baccaglioni G Bacci C Bach AM Bachacou H Bachas K Bachy G Backes M Backhaus M Badescu E Bagnaia P Bahinipati S Bai Y Bailey DC Bain T Baines JT Baker OK Baker MD Baker S Banas E Banerjee P Banerjee S Banfi D Bangert A Bansal V Bansil HS Barak L Baranov SP Barashkou A Galtieri AB Barber T Barberio EL Barberis D Barbero M Bardin DY Barillari T Barisonzi M Barklow T Barlow N Barnett BM Barnett RM Baroncelli A Barone G Barr AJ Barreiro F da Costa JBG Bartoldus R Barton AE Bartsch V Bates RL Batkova L Batley JR Battaglia A Battistin M Bauer F Bawa HS Beale S Beare B Beau T Beauchemin PH Beccherle R Bechtle P Beck HP Becker S Beckingham M Becks KH Beddall AJ Beddall A Bedikian S Bednyakov VA Bee CP Begel M Harpaz SB Behera PK Beimforde M Belanger Champagne C 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Codina EP Garcia Estan MTP Reale VP Perini L Pernegger H Perrino R Perrodo P Persembe S Peshekhonov VD Petersen BA Petersen J Petersen TC Petit E Petridis A Petridou C Petrolo E Petschull D Petteni M Pezoa R Phan A Phillips PW Piacquadio G Piccaro E Piccinini M Piec SM Piegaia R Pignotti DT Pilcher JE Pilkington AD Pina J Pinamonti M Pinder A Pinfold JL Ping J Pinto B Pirotte O Pizio C Placakyte R Plamondon M Pleier MA Pleskach AV Poblaguev A Poddar S Podlyski F Poggioli L Poghosyan T Pohl M Polci F Polesello G Policicchio A Polini A Poll J Polychronakos V Pomarede DM Pomeroy D Pommes K Pontecorvo L Pope BG Popeneciu GA Popovic DS Poppleton A Bueso XP Posch C Pospelov GE Pospisil S Potrap IN Potter CJ Potter CT Poulard G Poveda J Prabhu R Pralavorio P Pranko A Prasad S Pravahan R Prell S Pretzl K Pribyl L Price D Price J Price LE Price MJ Prieur D Primavera M Prokofiev K Prokoshin F Protopopescu S Proudfoot J Prudent X Przybycien M Przysiezniak H Psoroulas S Ptacek E Pueschel E Purdham J Purohit M Puzo P Pylypchenko Y Qian J Qian Z Qin Z Quadt A Quarrie DR Quayle WB Quinonez F Raas M Radescu V Radics B Radloff P Rador T Ragusa F Rahal G Rahimi AM Rahm D Rajagopalan S Rammensee M Rammes M Randle Conde AS Randrianarivony K Ratoff PN Rauscher F Raymond M Read AL Rebuzzi DM Redelbach A Redlinger G Reece R Reeves K Reichold A Reinherz Aronis E Reinsch A Reisinger I Reljic D Rembser C Ren ZL Renaud A Renkel P Rescigno M Resconi S Resende B Reznicek P Rezvani R Richards A Richter R Richter Was E Ridel M Rijpstra M Rijssenbeek M Rimoldi A Rinaldi L Rios RR Riu I Rivoltella G Rizatdinova F Rizvi E Robertson SH Robichaud Veronneau A Robinson D Robinson JEM Robinson M Robson A de Lima JGR Roda C Dos Santos DR Rodriguez D Roe A Roe S Rohne O Rojo V Rolli S Romaniouk A Romano M Romanov VM Romeo G Adam ER Roos L Ros E Rosati S Rosbach K Rose A Rose M Rosenbaum GA Rosenberg EI Rosendahl PL Rosenthal O Rosselet L Rossetti V Rossi E Rossi LP Rotaru M Roth I Rothberg J Rousseau D Royon CR Rozanov A Rozen Y Ruan X Rubinskiy I Ruckert B Ruckstuhl N Rud VI Rudolph C Ruhr F Ruiz Martinez A Rumiantsev V Rumyantsev L Runge K Rurikova Z Rusakovich NA Rust DR Rutherfoord JP Ruwiedel C Ruzicka P Ryabov YF Ryadovikov V Ryan P Rybar M Rybkin G Ryder NC Rzaeva S Saavedra AF Sadeh I Sadrozinski HFW Sadykov R Tehrani FS Sakamoto H Salamon A Saleem M Salihagic D Salnikov A Salt J Ferrando BMS Salvatore D Salvatore F Salvucci A Salzburger A Sampsonidis D Samset BH Sanchez A Sandaker H Sander HG Sanders MP Sandhoff M Sandoval T Sandoval C Sandstroem R Sandvoss S Sankey DPC Sansoni A Rios CS Santoni C Santonico R Santos H Saraiva JG Sarangi T Sarkisyan Grinbaum E Sarri F Sartisohn G Sasaki O Sasaki T Sasao N Satsounkevitch I Sauvage G Sauvan E Sauvan JB Savard P Savinov V Savu DO Sawyer L Saxon DH Says LP Sbarra C Sbrizzi A Scallon O Scannicchio DA Scarcella M Schaarschmidt J Schacht P Schafer U Schaepe S Schaetzel S Schaffer AC Schaile D Schamberger RD Scharf V Schegelsky VA Scheirich D Schernau M Scherzer MI Schiavi C Schieck J Schioppa M Schlenker S Schlereth JL Schmidt E Schmieden K Schmitt C Schmitt S Schmitz M Schoning A Schott M Schouten D Schovancova J Schram M Schroeder C Schroer N Schuh S Schuler G Schultes J Schultz Coulon HC Schulz H Schumacher JW Schumacher M Schumm BA Schune P Schwanenberger C Schwartzman A Schwemling P Schwienhorst R Schwierz R Schwindling J Schwindt T Schwoerer M Scott WG Searcy J Sedov G Sedykh E Segura E Seidel SC Seiden A Seifert F Seixas JM Sekhniaidze G Selbach KE Seliverstov DM Sellden B Sellers G Seman M Semprini Cesari N Serfon C Serin L Seuster R Severini H Sevior ME Sfyrla A Shabalina E Shamim M Shan LY Shank JT Shao QT Shapiro M Shatalov PB Shaver L Shaw K Sherman D Sherwood P Shibata A Shichi H Shimizu S Shimojima M Shin T Shiyakova M Shmeleva A Shochet MJ Short D Shrestha S Shupe MA Sicho P Sidoti A Siegert F Sijacki D Silbert O Silva J Silver Y Silverstein D Silverstein SB Simak V Simard O Simic L Simion S Simmons B Simonyan M Sinervo P Sinev NB Sipica V Siragusa G Sircar A Sisakyan AN Sivoklokov SY Sjolin J Sjursen TB Skinnari LA Skottowe HP Skovpen K Skubic P Skvorodnev N Slater M Slavicek T Sliwa K Sloper J Smakhtin V Smirnov SY Smirnova LN Smirnova O Smith BC Smith KM Smizanska M Smolek K Snesarev AA Snow SW Snow J Snuverink J Snyder S Soares M Sobie R Sodomka J Soffer A Solans CA Solar M Solc J Soldatov E Soldevila U Camillocci ES Solodkov AA Solovyanov OV Soni N Sopko V Sopko B Sosebee M Soualah R Soukharev A Spagnolo S Spano F Spighi R Spigo G Spila F Spiwoks R Spousta M Spreitzer T Spurlock B St Denis RD Stahl T Stahlman J Stamen R Stanecka E Stanek RW Stanescu C Stapnes S Starchenko EA Stark J Staroba P Starovoitov P Staude A Stavina P Stavropoulos G Steele G Steinbach P Steinberg P Stekl I Stelzer B Stelzer HJ Stelzer Chilton O Stenzel H Stern S Stevenson K Stewart GA Stillings JA Stockton MC Stoerig K Stoicea G Stonjek S Strachota P Stradling AR Straessner A Strandberg J Strandberg S Strandlie A Strang M Strauss E Strauss M Strizenec P Strohmer R Strom DM Strong JA Stroynowski R Strube J Stugu B Stumer I Stupak J Sturm P Styles NA Soh DA Su D Subramania H Succurro A Sugaya Y Sugimoto T Suhr C Suita K Suk M Sulin VV Sultansoy S Sumida T Sun X Sundermann JE Suruliz K Sushkov S Susinno G Sutton MR Suzuki Y Suzuki Y Svatos M Sviridov YM Swedish S Sykora I Sykora T Szeless B Sanchez J Ta D Tackmann K Taffard A Tafirout R Taiblum N Takahashi Y Takai H Takashima R Takeda H Takeshita T Takubo Y Talby M Talyshev A Tamsett MC Tanaka J Tanaka R Tanaka S Tanaka STY Tanaka Y Tanasijczuk AJ Tani K Tannoury N Tappern GP Tapprogge S Tardif D Tarem S Tarrade F Tartarelli GF Tas P Tasevsky M Tassi E Tatarkhanov M Tayalati Y Taylor C Taylor FE Taylor GN Taylor W Teinturier M Castanheira MTD Teixeira Dias P Temming KK Ten Kate H Teng PK Terada S Terashi K Terron J Testa M Teuscher RJ Thadome J Therhaag J Theveneaux Pelzer T Thioye M Thoma S Thomas JP Thompson EN Thompson PD Thompson PD Thompson AS Thomson E Thomson M Thun RP Tian F Tibbetts MJ Tic T Tikhomirov VO Tikhonov YA Timoshenko S Tipton P Viegas FJTA Tisserant S Tobias J Toczek B Todorov T Todorova Nova S Toggerson B Tojo J Tokar S Tokunaga K Tokushuku K Tollefson K Tomoto M Tompkins L Toms K Tong G Tonoyan A Topfel C Topilin ND Torchiani I Torrence E Torres H Pastor ET Toth J Touchard F Tovey DR Trefzger T Tremblet L Tricoli A Trigger IM Trincaz Duvoid S Trinh TN Tripiana MF Trischuk W Trivedi A Trocme B Troncon C Trottier McDonald M Trzebinski M Trzupek A Tsarouchas C Tseng JCL Tsiakiris M Tsiareshka PV Tsionou D Tsipolitis G Tsiskaridze V Tskhadadze EG Tsukerman II Tsulaia V Tsung JW Tsuno S Tsybychev D Tua A Tudorache A Tudorache V Tuggle JM Turala M Turecek D Cakir IT Turlay E Turra R Tuts PM Tykhonov A Tylmad M Tyndel M Tzanakos G Uchida K Ueda I Ueno R Ugland M Uhlenbrock M Uhrmacher M Ukegawa F Unal G Underwood DG Undrus A Unel G Unno Y Urbaniec D Usai G Vacavant L Vacek V Vachon B Vahsen S Valenta J Valente P Valentinetti S Valkar S Gallego EV Vallecorsa S Ferrer JAV van der Graaf H van der Kraaij E Van der Leeuw R van der Poel E van der Ster D van Eldik N van Gemmeren P van Kesteren Z van Vulpen I Vanadia M Vandelli W Vandoni G Vaniachine A Vankov P Vannucci F Rodriguez FV Vari R Varouchas D Vartapetian A Varvell KE Vassilakopoulos VI Vazeille F Vegni G Veillet JJ Vellidis C Veloso F Veness R Veneziano S Ventura A Ventura D Venturi M Venturi N Vercesi V Verducci M Verkerke W Vermeulen JC Vest A Vetterli MC Vichou I Vickey T Boeriu OEV Viehhauser GHA Viel S Villa M Perez MV Vilucchi E Vincter MG Vinek E Vinogradov VB Virchaux M Virzi J Vitells O Viti M Vivarelli I Vaque FV Vlachos S Vladoiu D Vlasak M Vlasov N Vogel A Vokac P Volpi G Volpi M Volpini G von der Schmitt H von Loeben J von Radziewski H von Toerne E Vorobel V Vorobiev AP Vorwerk V Vos M Voss R Voss TT Vossebeld JH Vranjes N Milosavljevic MV Vrba V Vreeswijk M Anh TV Vuillermet R Vukotic I Wagner W Wagner P Wahlen H Wakabayashi J Walbersloh J Walch S Walder J Walker R Walkowiak W Wall R Waller P Wang C Wang H Wang H Wang J Wang J Wang JC Wang R Wang SM Warburton A Ward CP Warsinsky M Watkins PM Watson AT Watson IJ Watson MF Watts G Watts S Waugh AT Waugh BM Weber M Weber MS Weber P Weidberg AR Weigell P Weingarten J Weiser C Wellenstein H Wells PS Wen M Wenaus T Wendler S Weng Z Wengler T Wenig S Wermes N Werner M Werner P Werth M Wessels M Weydert C Whalen K Wheeler Ellis SJ Whitaker SP White A White MJ Whitehead SR Whiteson D Whittington D Wicke D Wickens FJ Wiedenmann W Wielers M Wienemann P Wiglesworth C Wiik LAM Wijeratne PA Wildauer A Wildt MA Wilhelm I Wilkens HG Will JZ Williams E Williams HH Willis W Willocq S Wilson JA Wilson MG Wilson A Wingerter Seez I Winkelmann S Winklmeier F Wittgen M Wolter MW Wolters H Wong WC Wooden G Wosiek BK Wotschack J Woudstra MJ Wozniak KW Wraight K Wright C Wright M Wrona B Wu SL Wu X Wu Y Wulf E Wunstorf R Wynne BM Xella S Xiao M Xie S Xie Y Xu C Xu D Xu G Yabsley B Yacoob S Yamada M Yamaguchi H Yamamoto A Yamamoto K Yamamoto S Yamamura T Yamanaka T Yamaoka J Yamazaki T Yamazaki Y Yan Z Yang H Yang UK Yang Y Yang Y Yang Z Yanush S Yasu Y Smit GVY Ye J Ye S Yilmaz M Yoosoofmiya R Yorita K Yoshida R Young C Youssef S Yu D Yu J Yu J Yuan L Yurkewicz A Zabinski B Zaets VG Zaidan R Zaitsev AM Zajacova Z Zanello L Zarzhitsky P Zaytsev A Zeitnitz C Zeller M Zeman M Zemla A Zendler C Zenin O Zenis T Zenonos Z Zenz S Zerwas D della Porta GZ Zhan Z Zhang D Zhang H Zhang J Zhang X Zhang Z Zhao L Zhao T Zhao Z Zhemchugov A Zheng S Zhong J Zhou B Zhou N Zhou Y Zhu CG Zhu H Zhu J Zhu Y Zhuang X Zhuravlov V Zieminska D Zimmermann R Zimmermann S Zimmermann S Ziolkowski M Zitoun R Zivkovi L Zmouchko VV Zobernig G Zoccoli A Zolnierowski Y Zsenei A zur Nedden M Zutshi V Zwalinski L. |
Data di pubblicazione: | 2012 |
Rivista: | |
Citazione: | Aad G, Abbott B, Abdallah J, Abdelalim AA, Abdesselam A, Abdinov O, et al. (2012). Search for anomalous production of prompt like-sign muon pairs and constraints on physics beyond the standard model with the ATLAS detector. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 85(3), 1-23. |
Abstract: | An inclusive search for anomalous production of two prompt, isolated muons with the same electric charge is presented. The search is performed in a data sample corresponding to 1.6 fb(-1) of integrated luminosity collected in 2011 at root s = 7 TeV with the ATLAS detector at the LHC. Muon pairs are selected by requiring two isolated muons of the same electric charge with p(T) > 20 GeV and vertical bar eta vertical bar < 2.5. Minimal requirements are placed on the rest of the event activity. The distribution of the invariant mass of the muon pair m(mu mu) is found to agree well with the background expectation. Upper limits on the cross section for anomalous production of two muons with the same electric charge are placed as a function of m(mu mu) within a fiducial region defined by the event selection. The fiducial cross-section limit constrains the like-sign top-quark pair-production cross section to be below 3.7 pb at 95% confidence level. The data are also analyzed to search for a narrow like-sign dimuon resonance as predicted for e. g. doubly charged Higgs bosons (H-+/-+/-). Assuming pair production of H-+/-+/- bosons and a branching ratio to muons of 100% (33%), this analysis excludes masses below 355 (244) GeV and 251 (209) GeV for H-+/-+/- bosons coupling to left-handed and right-handed fermions, respectively. |
Handle: | http://hdl.handle.net/11590/144946 |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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