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The International School for Advanced Studies (SISSA) was founded in 1978 and was the first institution in Italy to promote post-graduate courses leading to a Doctor Philosophiae (or PhD) degree. A centre of excellence among Italian and international universities, the school has around 65 teachers, 100 post docs and 245 PhD students, and is located in Trieste, in a campus of more than 10 hectares with wonderful views over the Gulf of Trieste.
SISSA hosts a very high-ranking, large and multidisciplinary scientific research output. The scientific papers produced by its researchers are published in high impact factor, well-known international journals, and in many cases in the world's most prestigious scientific journals such as Nature and Science. Over 900 students have so far started their careers in the field of mathematics, physics and neuroscience research at SISSA.
The following article is Open access
Beam-induced and cosmic-ray backgrounds observed in the ATLAS detector during the LHC 2012 proton-proton running period
G. Aad115, B. Abbott144, J. Abdallah92, O. Abdinov14, B. Abeloos148, R. Aben138, M. Abolins120, O.S. AbouZeid183, N.L. Abraham199, H. Abramowicz203, H. Abreu202, R. Abreu147, Y. Abulaiti195,196, B.S. Acharya214,215, L. Adamczyk60, D.L. Adams36, J. Adelman139, S. Adomeit130, T. Adye170, A.A. Affolder104, T. Agatonovic-Jovin16, J. Agricola79, J.A. Aguilar-Saavedra159,164, S.P. Ahlen30, F. Ahmadov94, G. Aielli173,174, H. Akerstedt195,196, T.P.A. Åkesson111, A.V. Akimov126, G.L. Alberghi27,28, J. Albert221, S. Albrand80, M.J. Alconada Verzini100, M. Aleksa45, I.N. Aleksandrov94, C. Alexa38, G. Alexander203, T. Alexopoulos12, M. Alhroob144, M. Aliev102,103, G. Alimonti121, J. Alison46, S.P. Alkire56, B.M.M. Allbrooke199, B.W. Allen147, P.P. Allport21, A. Aloisio134,135, A. Alonso57, F. Alonso100, C. Alpigiani184, B. Alvarez Gonzalez45, D. Álvarez Piqueras219, M.G. Alviggi134,135, B.T. Amadio18, K. Amako95, Y. Amaral Coutinho32, C. Amelung31, D. Amidei119, S.P. Amor Dos Santos159,161, A. Amorim159,160, S. Amoroso45, N. Amram203, G. Amundsen31, C. Anastopoulos185, L.S. Ancu72, N. Andari139, T. Andeen13, C.F. Anders84, G. Anders45, J.K. Anders104, K.J. Anderson46, A. Andreazza121,122, V. Andrei83, S. Angelidakis11, I. Angelozzi138, P. Anger67, A. Angerami56, F. Anghinolfi45, A.V. Anisenkov140, N. Anjos15, A. Annovi156,157, M. Antonelli70, A. Antonov128, J. Antos191, F. Anulli171, M. Aoki95, L. Aperio Bella21, G. Arabidze120, Y. Arai95, J.P. Araque159, A.T.H. Arce68, F.A. Arduh100, G. Arduini45, J-F. Arguin125, S. Argyropoulos92, M. Arik22, A.J. Armbruster45, L.J. Armitage106, O. Arnaez45, H. Arnold71, M. Arratia43, O. Arslan29, A. Artamonov127, G. Artoni151, S. Artz113, S. Asai205, N. Asbah65, A. Ashkenazi203, B. Åsman195,196, L. Asquith199, K. Assamagan36, R. Astalos190, M. Atkinson218, N.B. Atlay187, K. Augsten167, G. Avolio45, B. Axen18, M.K. Ayoub148, G. Azuelos125, M.A. Baak45, A.E. Baas83, M.J. Baca21, H. Bachacou182, K. Bachas102,103, M. Backes45, M. Backhaus45, P. Bagiacchi171,172, P. Bagnaia171,172, Y. Bai49, J.T. Baines170, O.K. Baker228, E.M. Baldin140, P. Balek168, T. Balestri198, F. Balli182, W.K. Balunas154, E. Banas62, Sw. Banerjee225, A.A.E. Bannoura227, L. Barak45, E.L. Barberio118, D. Barberis73,74, M. Barbero115, T. Barillari131, T. Barklow189, N. Barlow43, S.L. Barnes114, B.M. Barnett170, R.M. Barnett18, Z. Barnovska7, A. Baroncelli175, G. Barone31, A.J. Barr151, L. Barranco Navarro219, F. Barreiro112, J. Barreiro Guimarães da Costa49, R. Bartoldus189, A.E. Barton101, P. Bartos190, A. Basalaev155, A. Bassalat148, A. Basye218, R.L. Bates78, S.J. Batista208, J.R. Batley43, M. Battaglia183, M. Bauce171,172, F. Bauer182, H.S. Bawa189, J.B. Beacham142, M.D. Beattie101, T. Beau110, P.H. Beauchemin212, P. Bechtle29, H.P. Beck20, K. Becker151, M. Becker113, M. Beckingham222, C. Becot141, A.J. Beddall25, A. Beddall23, V.A. Bednyakov94, M. Bedognetti138, C.P. Bee198, L.J. Beemster138, T.A. Beermann45, M. Begel36, J.K. Behr65, C. Belanger-Champagne117, A.S. Bell108, G. Bella203, L. Bellagamba27, A. Bellerive44, M. Bellomo116, K. Belotskiy128, O. Beltramello45, N.L. Belyaev128, O. Benary203, D. Benchekroun177, M. Bender130, K. Bendtz195,196, N. Benekos12, Y. Benhammou203, E. Benhar Noccioli228, J. Benitez92, J.A. Benitez Garcia210, D.P. Benjamin68, J.R. Bensinger31, S. Bentvelsen138, L. Beresford151, M. Beretta70, D. Berge138, E. Bergeaas Kuutmann217, N. Berger7, F. Berghaus221, J. Beringer18, S. Berlendis80, N.R. Bernard116, C. Bernius141, F.U. Bernlochner29, T. Berry107, P. Berta168, C. Bertella113, G. Bertoli195,196, F. Bertolucci156,157, I.A. Bertram101, C. Bertsche144, D. Bertsche144, G.J. Besjes57, O. Bessidskaia Bylund195,196, M. Bessner65, N. Besson182, C. Betancourt71, S. Bethke131, A.J. Bevan106, W. Bhimji18, R.M. Bianchi158, L. Bianchini31, M. Bianco45, O. Biebel130, D. Biedermann19, R. Bielski114, N.V. Biesuz156,157, M. Biglietti175, J. Bilbao De Mendizabal72, H. Bilokon70, M. Bindi79, S. Binet148, A. Bingul23, C. Bini171,172, S. Biondi27,28, D.M. Bjergaard68, C.W. Black200, J.E. Black189, K.M. Black30, D. Blackburn184, R.E. Blair8, J.-B. Blanchard182, J.E. Blanco107, T. Blazek190, I. Bloch65, C. Blocker31, W. Blum113, U. Blumenschein79, S. Blunier47, G.J. Bobbink138, V.S. Bobrovnikov140, S.S. Bocchetta111, A. Bocci68, C. Bock130, M. Boehler71, D. Boerner227, J.A. Bogaerts45, D. Bogavac16, A.G. Bogdanchikov140, C. Bohm195, V. Boisvert107, T. Bold60, V. Boldea38, A.S. Boldyrev214,216, M. Bomben110, M. Bona106, M. Boonekamp182, A. Borisov169, G. Borissov101, J. Bortfeldt130, D. Bortoletto151, V. Bortolotto87,88,89, K. Bos138, D. Boscherini27, M. Bosman15, J.D. Bossio Sola42, J. Boudreau158, J. Bouffard2, E.V. Bouhova-Thacker101, D. Boumediene55, C. Bourdarios148, S.K. Boutle78, A. Boveia45, J. Boyd45, I.R. Boyko94, J. Bracinik21, A. Brandt10, G. Brandt79, O. Brandt83, U. Bratzler206, B. Brau116, J.E. Brau147, H.M. Braun227, W.D. Breaden Madden78, K. Brendlinger154, A.J. Brennan118, L. Brenner138, R. Brenner217, S. Bressler224, T.M. Bristow69, D. Britton78, D. Britzger65, F.M. Brochu43, I. Brock29, R. Brock120, G. Brooijmans56, T. Brooks107, W.K. Brooks48, J. Brosamer18, E. Brost147, J.H Broughton21, R. Bruce45, P.A. Bruckman de Renstrom62, D. Bruncko191, R. Bruneliere71, A. Bruni27, G. Bruni27, BH Brunt43, M. Bruschi27, N. Bruscino29, P. Bryant46, L. Bryngemark111, T. Buanes17, Q. Buat188, P. Buchholz187, A.G. Buckley78, I.A. Budagov94, F. Buehrer71, M.K. Bugge150, O. Bulekov128, D. Bullock10, H. Burckhart45, S. Burdin104, C.D. Burgard71, B. Burghgrave139, K. Burka62, S. Burke170, I. Burmeister66, E. Busato55, D. Büscher71, V. Büscher113, P. Bussey78, J.M. Butler30, A.I. Butt3, C.M. Buttar78, J.M. Butterworth108, P. Butti138, W. Buttinger36, A. Buzatu78, A.R. Buzykaev140, S. Cabrera Urbán219, D. Caforio167, V.M. Cairo58,59, O. Cakir4, N. Calace72, P. Calafiura18, A. Calandri115, G. Calderini110, P. Calfayan130, L.P. Caloba32, D. Calvet55, S. Calvet55, T.P. Calvet115, R. Camacho Toro46, S. Camarda45, P. Camarri173,174, D. Cameron150, R. Caminal Armadans218, C. Camincher80, S. Campana45, M. Campanelli108, A. Campoverde198, V. Canale134,135, A. Canepa209, M. Cano Bret53, J. Cantero112, R. Cantrill159, T. Cao63, M.D.M. Capeans Garrido45, I. Caprini38, M. Caprini38, M. Capua58,59, R. Caputo113, R.M. Carbone56, R. Cardarelli173, F. Cardillo71, T. Carli45, G. Carlino134, L. Carminati121,122, S. Caron137, E. Carquin48, G.D. Carrillo-Montoya45, J.R. Carter43, J. Carvalho159,161, D. Casadei21, M.P. Casado15, M. Casolino15, D.W. Casper213, E. Castaneda-Miranda192, A. Castelli138, V. Castillo Gimenez219, N.F. Castro159, A. Catinaccio45, J.R. Catmore150, A. Cattai45, J. Caudron113, V. Cavaliere218, E. Cavallaro15, D. Cavalli121, M. Cavalli-Sforza15, V. Cavasinni156,157, F. Ceradini175,176, L. Cerda Alberich219, B.C. Cerio68, A.S. Cerqueira33, A. Cerri199, L. Cerrito106, F. Cerutti18, M. Cerv45, A. Cervelli20, S.A. Cetin24, A. Chafaq177, D. Chakraborty139, I. Chalupkova168, S.K. Chan82, Y.L. Chan87, P. Chang218, J.D. Chapman43, D.G. Charlton21, A. Chatterjee72, C.C. Chau208, C.A. Chavez Barajas199, S. Che142, S. Cheatham101, A. Chegwidden120, S. Chekanov8, S.V. Chekulaev209, G.A. Chelkov94, M.A. Chelstowska119, C. Chen93, H. Chen36, K. Chen198, S. Chen51, S. Chen205, X. Chen54, Y. Chen96, H.C. Cheng119, H.J Cheng49, Y. Cheng46, A. Cheplakov94, E. Cheremushkina169, R. Cherkaoui El Moursli181, V. Chernyatin36, E. Cheu9, L. Chevalier182, V. Chiarella70, G. Chiarelli156,157, G. Chiodini102, A.S. Chisholm21, A. Chitan38, M.V. Chizhov94, K. Choi90, A.R. Chomont55, S. Chouridou11, B.K.B. Chow130, V. Christodoulou108, D. Chromek-Burckhart45, J. Chudoba166, A.J. Chuinard117, J.J. Chwastowski62, L. Chytka146, G. Ciapetti171,172, A.K. Ciftci4, D. Cinca78, V. Cindro105, I.A. Cioara29, A. Ciocio18, F. Cirotto134,135, Z.H. Citron224, M. Ciubancan38, A. Clark72, B.L. Clark82, M.R. Clark56, P.J. Clark69, R.N. Clarke18, C. Clement195,196, Y. Coadou115, M. Cobal214,216, A. Coccaro72, J. Cochran93, L. Coffey31, L. Colasurdo137, B. Cole56, S. Cole139, A.P. Colijn138, J. Collot80, T. Colombo45, G. Compostella131, P. Conde Muiño159,160, E. Coniavitis71, S.H. Connell193, I.A. Connelly107, V. Consorti71, S. Constantinescu38, C. Conta152,153, G. Conti45, F. Conventi134, M. Cooke18, B.D. Cooper108, A.M. Cooper-Sarkar151, T. Cornelissen227, M. Corradi171,172, F. Corriveau117, A. Corso-Radu213, A. Cortes-Gonzalez15, G. Cortiana131, G. Costa121, M.J. Costa219, D. Costanzo185, G. Cottin43, G. Cowan107, B.E. Cox114, K. Cranmer141, S.J. Crawley78, G. Cree44, S. Crépé-Renaudin80, F. Crescioli110, W.A. Cribbs195,196, M. Crispin Ortuzar151, M. Cristinziani29, V. Croft137, G. Crosetti58,59, T. Cuhadar Donszelmann185, J. Cummings228, M. Curatolo70, J. Cúth113, C. Cuthbert200, H. Czirr187, P. Czodrowski3, S. D'Auria78, M. D'Onofrio104, M.J. Da Cunha Sargedas De Sousa159,160, C. Da Via114, W. Dabrowski60, T. Dai119, O. Dale17, F. Dallaire125, C. Dallapiccola116, M. Dam57, J.R. Dandoy46, N.P. Dang71, A.C. Daniells21, N.S. Dann114, M. Danninger220, M. Dano Hoffmann182, V. Dao71, G. Darbo73, S. Darmora10, J. Dassoulas3, A. Dattagupta90, W. Davey29, C. David221, T. Davidek168, M. Davies203, P. Davison108, Y. Davygora83, E. Dawe118, I. Dawson185, R.K. Daya-Ishmukhametova116, K. De10, R. de Asmundis134, A. De Benedetti144, S. De Castro27,28, S. De Cecco110, N. De Groot137, P. de Jong138, H. De la Torre112, F. De Lorenzi93, D. De Pedis171, A. De Salvo171, U. De Sanctis199, A. De Santo199, J.B. De Vivie De Regie148, W.J. Dearnaley101, R. Debbe36, C. Debenedetti183, D.V. Dedovich94, I. Deigaard138, J. Del Peso112, T. Del Prete156,157, D. Delgove148, F. Deliot182, C.M. Delitzsch72, M. Deliyergiyev105, A. Dell'Acqua45, L. Dell'Asta30, M. Dell'Orso156,157, M. Della Pietra134, D. della Volpe72, M. Delmastro7, P.A. Delsart80, C. Deluca138, D.A. DeMarco208, S. Demers228, M. Demichev94, A. Demilly110, S.P. Denisov169, D. Denysiuk182, D. Derendarz62, J.E. Derkaoui180, F. Derue110, P. Dervan104, K. Desch29, C. Deterre65, K. Dette66, P.O. Deviveiros45, A. Dewhurst170, S. Dhaliwal31, A. Di Ciaccio173,174, L. Di Ciaccio7, W.K. Di Clemente154, C. Di Donato171,172, A. Di Girolamo45, B. Di Girolamo45, B. Di Micco175,176, R. Di Nardo70, A. Di Simone71, R. Di Sipio208, D. Di Valentino44, C. Diaconu115, M. Diamond208, F.A. Dias69, M.A. Diaz47, E.B. Diehl119, J. Dietrich19, S. Diglio115, A. Dimitrievska16, J. Dingfelder29, P. Dita38, S. Dita38, F. Dittus45, F. Djama115, T. Djobava76, J.I. Djuvsland83, M.A.B. do Vale34, D. Dobos45, M. Dobre38, C. Doglioni111, T. Dohmae205, J. Dolejsi168, Z. Dolezal168, B.A. Dolgoshein128, M. Donadelli35, S. Donati156,157, P. Dondero152,153, J. Donini55, J. Dopke170, A. Doria134, M.T. Dova100, A.T. Doyle78, E. Drechsler79, M. Dris12, Y. Du52, J. Duarte-Campderros203, E. Duchovni224, G. Duckeck130, O.A. Ducu38, D. Duda138, A. Dudarev45, L. Duflot148, L. Duguid107, M. Dührssen45, M. Dunford83, H. Duran Yildiz4, M. Düren77, A. Durglishvili76, D. Duschinger67, B. Dutta65, M. Dyndal60, C. Eckardt65, K.M. Ecker131, R.C. Edgar119, W. Edson2, N.C. Edwards69, T. Eifert45, G. Eigen17, K. Einsweiler18, T. Ekelof217, M. El Kacimi179, V. Ellajosyula115, M. Ellert217, S. Elles7, F. Ellinghaus227, A.A. Elliot221, N. Ellis45, J. Elmsheuser36, M. Elsing45, D. Emeliyanov170, Y. Enari205, O.C. Endner113, M. Endo149, J.S. Ennis222, J. Erdmann66, A. Ereditato20, G. Ernis227, J. Ernst2, M. Ernst36, S. Errede218, E. Ertel113, M. Escalier148, H. Esch66, C. Escobar158, B. Esposito70, A.I. Etienvre182, E. Etzion203, H. Evans90, A. Ezhilov155, F. Fabbri27,28, L. Fabbri27,28, G. Facini46, R.M. Fakhrutdinov169, S. Falciano171, R.J. Falla108, J. Faltova168, Y. Fang49, M. Fanti121,122, A. Farbin10, A. Farilla175, C. Farina158, T. Farooque15, S. Farrell18, S.M. Farrington222, P. Farthouat45, F. Fassi181, P. Fassnacht45, D. Fassouliotis11, M. Faucci Giannelli107, A. Favareto73,74, W.J. Fawcett151, L. Fayard148, O.L. Fedin155, W. Fedorko220, S. Feigl150, L. Feligioni115, C. Feng52, E.J. Feng45, H. Feng119, A.B. Fenyuk169, L. Feremenga10, P. Fernandez Martinez219, S. Fernandez Perez15, J. Ferrando78, A. Ferrari217, P. Ferrari138, R. Ferrari152, D.E. Ferreira de Lima78, A. Ferrer219, D. Ferrere72, C. Ferretti119, A. Ferretto Parodi73,74, F. Fiedler113, A. Filipčič105, M. Filipuzzi65, F. Filthaut137, M. Fincke-Keeler221, K.D. Finelli200, M.C.N. Fiolhais159,161, L. Fiorini219, A. Firan63, A. Fischer2, C. Fischer15, J. Fischer227, W.C. Fisher120, N. Flaschel65, I. Fleck187, P. Fleischmann119, G.T. Fletcher185, G. Fletcher106, R.R.M. Fletcher154, T. Flick227, A. Floderus111, L.R. Flores Castillo87, M.J. Flowerdew131, G.T. Forcolin114, A. Formica182, A. Forti114, A.G. Foster21, D. Fournier148, H. Fox101, S. Fracchia15, P. Francavilla110, M. Franchini27,28, D. Francis45, L. Franconi150, M. Franklin82, M. Frate213, M. Fraternali152,153, D. Freeborn108, S.M. Fressard-Batraneanu45, F. Friedrich67, D. Froidevaux45, J.A. Frost151, C. Fukunaga206, E. Fullana Torregrosa113, T. Fusayasu132, J. Fuster219, C. Gabaldon80, O. Gabizon227, A. Gabrielli27,28, A. Gabrielli18, G.P. Gach60, S. Gadatsch45, S. Gadomski72, G. Gagliardi73,74, L.G. Gagnon125, P. Gagnon90, C. Galea137, B. Galhardo159,161, E.J. Gallas151, B.J. Gallop170, P. Gallus167, G. Galster57, K.K. Gan142, J. Gao50,115, Y. Gao69, Y.S. Gao189, F.M. Garay Walls69, C. García219, J.E. García Navarro219, M. Garcia-Sciveres18, R.W. Gardner46, N. Garelli189, V. Garonne150, A. Gascon Bravo65, C. Gatti70, A. Gaudiello73,74, G. Gaudio152, B. Gaur187, L. Gauthier125, I.L. Gavrilenko126, C. Gay220, G. Gaycken29, E.N. Gazis12, Z. Gecse220, C.N.P. Gee170, Ch. Geich-Gimbel29, M.P. Geisler83, C. Gemme73, M.H. Genest80, C. Geng50, S. Gentile171,172, S. George107, D. Gerbaudo213, A. Gershon203, S. Ghasemi187, H. Ghazlane178, M. Ghneimat29, B. Giacobbe27, S. Giagu171,172, P. Giannetti156,157, B. Gibbard36, S.M. Gibson107, M. Gignac220, M. Gilchriese18, T.P.S. Gillam43, D. Gillberg44, G. Gilles227, D.M. Gingrich3, N. Giokaris11, M.P. Giordani214,216, F.M. Giorgi27, F.M. Giorgi19, P.F. Giraud182, P. Giromini82, D. Giugni121, F. Giuli151, C. Giuliani131, M. Giulini84, B.K. Gjelsten150, S. Gkaitatzis204, I. Gkialas204, E.L. Gkougkousis148, L.K. Gladilin129, C. Glasman112, J. Glatzer45, P.C.F. Glaysher69, A. Glazov65, M. Goblirsch-Kolb131, J. Godlewski62, S. Goldfarb119, T. Golling72, D. Golubkov169, A. Gomes159,160,162, R. Gonçalo159, J. Goncalves Pinto Firmino Da Costa182, L. Gonella21, A. Gongadze94, S. González de la Hoz219, G. Gonzalez Parra15, S. Gonzalez-Sevilla72, L. Goossens45, P.A. Gorbounov127, H.A. Gordon36, I. Gorelov136, B. Gorini45, E. Gorini102,103, A. Gorišek105, E. Gornicki62, A.T. Goshaw68, C. Gössling66, M.I. Gostkin94, C.R. Goudet148, D. Goujdami179, A.G. Goussiou184, N. Govender193, E. Gozani202, L. Graber79, I. Grabowska-Bold60, P.O.J. 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Ragusa121,122, G. Rahal230, J.A. Raine114, S. Rajagopalan36, M. Rammensee45, C. Rangel-Smith217, M.G. Ratti121,122, F. Rauscher130, S. Rave113, T. Ravenscroft78, M. Raymond45, A.L. Read150, N.P. Readioff104, D.M. Rebuzzi152,153, A. Redelbach226, G. Redlinger36, R. Reece183, K. Reeves64, L. Rehnisch19, J. Reichert154, H. Reisin42, C. Rembser45, H. Ren49, M. Rescigno171, S. Resconi121, O.L. Rezanova140, P. Reznicek168, R. Rezvani125, R. Richter131, S. Richter108, E. Richter-Was61, O. Ricken29, M. Ridel110, P. Rieck19, C.J. Riegel227, J. Rieger79, O. Rifki144, M. Rijssenbeek198, A. Rimoldi152,153, L. Rinaldi27, B. Ristić72, E. Ritsch45, I. Riu15, F. Rizatdinova145, E. Rizvi106, C. Rizzi15, S.H. Robertson117, A. Robichaud-Veronneau117, D. Robinson43, J.E.M. Robinson65, A. Robson78, C. Roda156,157, Y. Rodina115, A. Rodriguez Perez15, D. Rodriguez Rodriguez219, S. Roe45, C.S. Rogan82, O. RØhne150, A. Romaniouk128, M. Romano27,28, S.M. Romano Saez55, E. Romero Adam219, N. Rompotis184, M. Ronzani71, L. Roos110, E. Ros219, S. Rosati171, K. Rosbach71, P. Rose183, O. Rosenthal187, V. Rossetti195,196, E. Rossi134,135, L.P. Rossi73, J.H.N. Rosten43, R. Rosten184, M. Rotaru38, I. Roth224, J. Rothberg184, D. Rousseau148, C.R. Royon182, A. Rozanov115, Y. Rozen202, X. Ruan194, F. Rubbo189, I. Rubinskiy65, V.I. Rud129, M.S. Rudolph208, F. Rühr71, A. Ruiz-Martinez45, Z. Rurikova71, N.A. Rusakovich94, A. Ruschke130, H.L. Russell184, J.P. Rutherfoord9, N. Ruthmann45, Y.F. Ryabov155, M. Rybar218, G. Rybkin148, S. Ryu8, A. Ryzhov169, A.F. Saavedra200, G. Sabato138, S. Sacerdoti42, H.F-W. Sadrozinski183, R. Sadykov94, F. Safai Tehrani171, P. Saha139, M. Sahinsoy83, M. Saimpert182, T. Saito205, H. Sakamoto205, Y. Sakurai223, G. Salamanna175,176, A. Salamon173,174, J.E. Salazar Loyola48, D. Salek138, P.H. Sales De Bruin184, D. Salihagic131, A. Salnikov189, J. Salt219, D. Salvatore58,59, F. Salvatore199, A. Salvucci87, A. Salzburger45, D. Sammel71, D. Sampsonidis204, A. Sanchez134,135, J. Sánchez219, V. Sanchez Martinez219, H. Sandaker150, R.L. Sandbach106, H.G. Sander113, M.P. Sanders130, M. Sandhoff227, C. Sandoval26, R. Sandstroem131, D.P.C. Sankey170, M. Sannino73,74, A. Sansoni70, C. Santoni55, R. Santonico173,174, H. Santos159, I. Santoyo Castillo199, K. Sapp158, A. Sapronov94, J.G. Saraiva159,162, B. Sarrazin29, O. Sasaki95, Y. Sasaki205, K. Sato211, G. Sauvage7, E. Sauvan7, G. Savage107, P. Savard208, C. Sawyer170, L. Sawyer109, J. Saxon46, C. Sbarra27, A. Sbrizzi27,28, T. Scanlon108, D.A. Scannicchio213, M. Scarcella200, V. Scarfone58,59, J. Schaarschmidt224, P. Schacht131, D. Schaefer45, R. Schaefer65, J. Schaeffer113, S. Schaepe29, S. Schaetzel84, U. Schäfer113, A.C. Schaffer148, D. Schaile130, R.D. Schamberger198, V. Scharf83, V.A. Schegelsky155, D. Scheirich168, M. Schernau213, C. Schiavi73,74, C. Schillo71, M. Schioppa58,59, S. Schlenker45, K. Schmieden45, C. Schmitt113, S. Schmitt65, S. Schmitz113, B. Schneider209, Y.J. Schnellbach104, U. Schnoor71, L. Schoeffel182, A. Schoening84, B.D. Schoenrock120, E. Schopf29, A.L.S. Schorlemmer66, M. Schott113, J. Schovancova10, S. Schramm72, M. Schreyer226, N. Schuh113, M.J. Schultens29, H.-C. Schultz-Coulon83, H. Schulz19, M. Schumacher71, B.A. Schumm183, Ph. Schune182, C. Schwanenberger114, A. Schwartzman189, T.A. Schwarz119, Ph. Schwegler131, H. Schweiger114, Ph. Schwemling182, R. Schwienhorst120, J. Schwindling182, T. Schwindt29, G. Sciolla31, F. Scuri156,157, F. Scutti118, J. Searcy119, P. Seema29, S.C. Seidel136, A. Seiden183, F. Seifert167, J.M. Seixas32, G. Sekhniaidze134, K. Sekhon119, S.J. Sekula63, D.M. Seliverstov155, N. Semprini-Cesari27,28, C. Serfon150, L. Serin148, L. Serkin214,215, M. Sessa175,176, R. Seuster209, H. Severini144, T. Sfiligoj105, F. Sforza45, A. Sfyrla72, E. Shabalina79, N.W. Shaikh195,196, L.Y. Shan49, R. Shang218, J.T. Shank30, M. Shapiro18, P.B. Shatalov127, K. Shaw214,215, S.M. Shaw114, A. Shcherbakova195,196, C.Y. Shehu199, P. Sherwood108, L. Shi201, S. Shimizu96, C.O. Shimmin213, M. Shimojima132, M. Shiyakova94, A. Shmeleva126, D. Shoaleh Saadi125, M.J. Shochet46, S. Shojaii121,122, S. Shrestha142, E. Shulga128, M.A. Shupe9, P. Sicho166, P.E. Sidebo197, O. Sidiropoulou226, D. Sidorov145, A. Sidoti27,28, F. Siegert67, Dj. Sijacki16, J. Silva159,162, S.B. Silverstein195, V. Simak167, O. Simard7, Lj. Simic16, S. Simion148, E. Simioni113, B. Simmons108, D. Simon55, M. Simon113, P. Sinervo208, N.B. Sinev147, M. Sioli27,28, G. Siragusa226, S.Yu. Sivoklokov129, J. Sjölin195,196, T.B. Sjursen17, M.B. Skinner101, H.P. Skottowe82, P. Skubic144, M. Slater21, T. Slavicek167, M. Slawinska138, K. Sliwa212, R. Slovak168, V. Smakhtin224, B.H. Smart7, L. Smestad17, S.Yu. Smirnov128, Y. Smirnov128, L.N. Smirnova129, O. Smirnova111, M.N.K. Smith56, R.W. Smith56, M. Smizanska101, K. Smolek167, A.A. Snesarev126, G. Snidero106, S. Snyder36, R. Sobie221, F. Socher67, A. Soffer203, D.A. Soh201, G. Sokhrannyi105, C.A. 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Stramaglia20, J. Strandberg197, S. Strandberg195,196, A. Strandlie150, M. Strauss144, P. Strizenec191, R. Ströhmer226, D.M. Strom147, R. Stroynowski63, A. Strubig137, S.A. Stucci20, B. Stugu17, N.A. Styles65, D. Su189, J. Su158, R. Subramaniam109, S. Suchek83, Y. Sugaya149, M. Suk167, V.V. Sulin126, S. Sultansoy6, T. Sumida97, S. Sun82, X. Sun49, J.E. Sundermann71, K. Suruliz199, G. Susinno58,59, M.R. Sutton199, S. Suzuki95, M. Svatos166, M. Swiatlowski46, I. Sykora190, T. Sykora168, D. Ta71, C. Taccini175,176, K. Tackmann65, J. Taenzer208, A. Taffard213, R. Tafirout209, N. Taiblum203, H. Takai36, R. Takashima98, H. Takeda96, T. Takeshita186, Y. Takubo95, M. Talby115, A.A. Talyshev140, J.Y.C. Tam226, K.G. Tan118, J. Tanaka205, R. Tanaka148, S. Tanaka95, B.B. Tannenwald142, S. Tapia Araya48, S. Tapprogge113, S. Tarem202, G.F. Tartarelli121, P. Tas168, M. Tasevsky166, T. Tashiro97, E. Tassi58,59, A. Tavares Delgado159,160, Y. Tayalati180, A.C. Taylor136, G.N. Taylor118, P.T.E. 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1 Department of Physics, University of Adelaide, Adelaide, Australia
2 Physics Department, SUNY Albany, Albany NY, United States of America
3 Department of Physics, University of Alberta, Edmonton AB, Canada
4 Department of Physics, Ankara University, Ankara
5 Istanbul Aydin University, Istanbul
6 Division of Physics, TOBB University of Economics and Technology, Ankara, Turkey
7 LAPP, CNRS/IN2P3 and Université Savoie Mont Blanc, Annecy-le-Vieux, France
8 High Energy Physics Division, Argonne National Laboratory, Argonne IL, United States of America
9 Department of Physics, University of Arizona, Tucson AZ, United States of America
10 Department of Physics, The University of Texas at Arlington, Arlington TX, United States of America
11 Physics Department, University of Athens, Athens, Greece
12 Physics Department, National Technical University of Athens, Zografou, Greece
13 Department of Physics, The University of Texas at Austin, Austin TX, United States of America
14 Institute of Physics, Azerbaijan Academy of Sciences, Baku, Azerbaijan
15 Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Barcelona, Spain
16 Institute of Physics, University of Belgrade, Belgrade, Serbia
17 Department for Physics and Technology, University of Bergen, Bergen, Norway
18 Physics Division, Lawrence Berkeley National Laboratory and University of California, Berkeley CA, United States of America
19 Department of Physics, Humboldt University, Berlin, Germany
20 Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics, University of Bern, Bern, Switzerland
21 School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom
22 Department of Physics, Bogazici University, Istanbul
23 Department of Physics Engineering, Gaziantep University, Gaziantep
24 Istanbul Bilgi University, Faculty of Engineering and Natural Sciences, Istanbul
25 Bahcesehir University, Faculty of Engineering and Natural Sciences, Istanbul, Turkey
26 Centro de Investigaciones, Universidad Antonio Narino, Bogota, Colombia
27 INFN Sezione di Bologna
28 Dipartimento di Fisica e Astronomia, Università di Bologna, Bologna, Italy
29 Physikalisches Institut, University of Bonn, Bonn, Germany
30 Department of Physics, Boston University, Boston MA, United States of America
31 Department of Physics, Brandeis University, Waltham MA, United States of America
32 Universidade Federal do Rio De Janeiro COPPE/EE/IF, Rio de Janeiro
33 Electrical Circuits Department, Federal University of Juiz de Fora (UFJF), Juiz de Fora
34 Federal University of Sao Joao del Rei (UFSJ), Sao Joao del Rei
35 Instituto de Fisica, Universidade de Sao Paulo, Sao Paulo, Brazil
36 Physics Department, Brookhaven National Laboratory, Upton NY, United States of America
37 Transilvania University of Brasov, Brasov
38 National Institute of Physics and Nuclear Engineering, Bucharest
39 National Institute for Research and Development of Isotopic and Molecular Technologies, Physics Department, Cluj Napoca
40 University Politehnica Bucharest, Bucharest
41 West University in Timisoara, Timisoara, Romania
42 Departamento de Física, Universidad de Buenos Aires, Buenos Aires, Argentina
43 Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom
44 Department of Physics, Carleton University, Ottawa ON, Canada
45 CERN, Geneva, Switzerland
46 Enrico Fermi Institute, University of Chicago, Chicago IL, United States of America
47 Departamento de Física, Pontificia Universidad Católica de Chile, Santiago
48 Departamento de Física, Universidad Técnica Federico Santa María, Valparaíso, Chile
49 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing
50 Department of Modern Physics, University of Science and Technology of China, Anhui
51 Department of Physics, Nanjing University, Jiangsu
52 School of Physics, Shandong University, Shandong
53 Department of Physics and Astronomy, Shanghai Key Laboratory for Particle Physics and Cosmology, Shanghai Jiao Tong University, Shanghai; (also affiliated with PKU-CHEP)
54 Physics Department, Tsinghua University, Beijing 100084, China
55 Laboratoire de Physique Corpusculaire, Clermont Université and Université Blaise Pascal and CNRS/IN2P3, Clermont-Ferrand, France
56 Nevis Laboratory, Columbia University, Irvington NY, United States of America
57 Niels Bohr Institute, University of Copenhagen, Kobenhavn, Denmark
58 INFN Gruppo Collegato di Cosenza, Laboratori Nazionali di Frascati
59 Dipartimento di Fisica, Università della Calabria, Rende, Italy
60 AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow
61 Marian Smoluchowski Institute of Physics, Jagiellonian University, Krakow, Poland
62 Institute of Nuclear Physics Polish Academy of Sciences, Krakow, Poland
63 Physics Department, Southern Methodist University, Dallas TX, United States of America
64 Physics Department, University of Texas at Dallas, Richardson TX, United States of America
65 DESY, Hamburg and Zeuthen, Germany
66 Institut für Experimentelle Physik IV, Technische Universität Dortmund, Dortmund, Germany
67 Institut für Kern- und Teilchenphysik, Technische Universität Dresden, Dresden, Germany
68 Department of Physics, Duke University, Durham NC, United States of America
69 SUPA - School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom
70 INFN Laboratori Nazionali di Frascati, Frascati, Italy
71 Fakultät für Mathematik und Physik, Albert-Ludwigs-Universität, Freiburg, Germany
72 Section de Physique, Université de Genève, Geneva, Switzerland
73 INFN Sezione di Genova
74 Dipartimento di Fisica, Università di Genova, Genova, Italy
75 E. Andronikashvili Institute of Physics, Iv. Javakhishvili Tbilisi State University, Tbilisi
76 High Energy Physics Institute, Tbilisi State University, Tbilisi, Georgia
77 II Physikalisches Institut, Justus-Liebig-Universität Giessen, Giessen, Germany
78 SUPA - School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom
79 II Physikalisches Institut, Georg-August-Universität, Göttingen, Germany
80 Laboratoire de Physique Subatomique et de Cosmologie, Université Grenoble-Alpes, CNRS/IN2P3, Grenoble, France
81 Department of Physics, Hampton University, Hampton VA, United States of America
82 Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge MA, United States of America
83 Kirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg
147 Center for High Energy Physics, University of Oregon, Eugene OR, United States of America
148 LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, France
149 Graduate School of Science, Osaka University, Osaka, Japan
150 Department of Physics, University of Oslo, Oslo, Norway
151 Department of Physics, Oxford University, Oxford, United Kingdom
152 INFN Sezione di Pavia
153 Dipartimento di Fisica, Università di Pavia, Pavia, Italy
154 Department of Physics, University of Pennsylvania, Philadelphia PA, United States of America
155 National Research Centre ``Kurchatov Institute" B.P.Konstantinov Petersburg Nuclear Physics Institute, St. Petersburg, Russia
156 INFN Sezione di Pisa
157 Dipartimento di Fisica E. Fermi, Università di Pisa, Pisa, Italy
158 Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh PA, United States of America
159 Laboratório de Instrumentação e Física Experimental de Partículas - LIP, Lisboa
160 Faculdade de Ciências, Universidade de Lisboa, Lisboa
161 Department of Physics, University of Coimbra, Coimbra
162 Centro de Física Nuclear da Universidade de Lisboa, Lisboa
163 Departamento de Fisica, Universidade do Minho, Braga
164 Departamento de Fisica Teorica y del Cosmos and CAFPE, Universidad de Granada, Granada (Spain)
165 Dep Fisica and CEFITEC of Faculdade de Ciencias e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal
166 Institute of Physics, Academy of Sciences of the Czech Republic, Praha, Czech Republic
167 Czech Technical University in Prague, Praha, Czech Republic
168 Faculty of Mathematics and Physics, Charles University in Prague, Praha, Czech Republic
169 State Research Center Institute for High Energy Physics (Protvino), NRC KI, Russia
170 Particle Physics Department, Rutherford Appleton Laboratory, Didcot, United Kingdom
171 INFN Sezione di Roma
172 Dipartimento di Fisica, Sapienza Università di Roma, Roma, Italy
173 INFN Sezione di Roma Tor Vergata
174 Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy
175 INFN Sezione di Roma Tre
176 Dipartimento di Matematica e Fisica, Università Roma Tre, Roma, Italy
177 Faculté des Sciences Ain Chock, Réseau Universitaire de Physique des Hautes Energies - Université Hassan II, Casablanca
178 Centre National de l'Energie des Sciences Techniques Nucleaires, Rabat
179 Faculté des Sciences Semlalia, Université Cadi Ayyad, LPHEA-Marrakech
180 Faculté des Sciences, Université Mohamed Premier and LPTPM, Oujda
181 Faculté des sciences, Université Mohammed V, Rabat, Morocco
182 DSM/IRFU (Institut de Recherches sur les Lois Fondamentales de l'Univers), CEA Saclay (Commissariat à l'Energie Atomique et aux Energies Alternatives), Gif-sur-Yvette, France
183 Santa Cruz Institute for Particle Physics, University of California Santa Cruz, Santa Cruz CA, United States of America
184 Department of Physics, University of Washington, Seattle WA, United States of America
185 Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
186 Department of Physics, Shinshu University, Nagano, Japan
187 Fachbereich Physik, Universität Siegen, Siegen, Germany
188 Department of Physics, Simon Fraser University, Burnaby BC, Canada
189 SLAC National Accelerator Laboratory, Stanford CA, United States of America
190 Faculty of Mathematics, Physics & Informatics, Comenius University, Bratislava
191 Department of Subnuclear Physics, Institute of Experimental Physics of the Slovak Academy of Sciences, Kosice, Slovak Republic
192 Department of Physics, University of Cape Town, Cape Town
193 Department of Physics, University of Johannesburg, Johannesburg
194 School of Physics, University of the Witwatersrand, Johannesburg, South Africa
195 Department of Physics, Stockholm University
196 The Oskar Klein Centre, Stockholm, Sweden
197 Physics Department, Royal Institute of Technology, Stockholm, Sweden
198 Departments of Physics & Astronomy and Chemistry, Stony Brook University, Stony Brook NY, United States of America
199 Department of Physics and Astronomy, University of Sussex, Brighton, United Kingdom
200 School of Physics, University of Sydney, Sydney, Australia
201 Institute of Physics, Academia Sinica, Taipei, Taiwan
202 Department of Physics, Technion: Israel Institute of Technology, Haifa, Israel
203 Raymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel
204 Department of Physics, Aristotle University of Thessaloniki, Thessaloniki, Greece
205 International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo, Tokyo, Japan
206 Graduate School of Science and Technology, Tokyo Metropolitan University, Tokyo, Japan
207 Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
208 Department of Physics, University of Toronto, Toronto ON, Canada
209 TRIUMF, Vancouver BC
210 Department of Physics and Astronomy, York University, Toronto ON, Canada
211 Faculty of Pure and Applied Sciences, and Center for Integrated Research in Fundamental Science and Engineering, University of Tsukuba, Tsukuba, Japan
212 Department of Physics and Astronomy, Tufts University, Medford MA, United States of America
213 Department of Physics and Astronomy, University of California Irvine, Irvine CA, United States of America
214 INFN Gruppo Collegato di Udine, Sezione di Trieste, Udine
215 ICTP, Trieste
216 Dipartimento di Chimica, Fisica e Ambiente, Università di Udine, Udine, Italy
217 Department of Physics and Astronomy, University of Uppsala, Uppsala, Sweden
218 Department of Physics, University of Illinois, Urbana IL, United States of America
219 Instituto de Fisica Corpuscular (IFIC) and Departamento de Fisica Atomica, Molecular y Nuclear and Departamento de Ingeniería Electrónica and Instituto de Microelectrónica de Barcelona (IMB-CNM), University of Valencia and CSIC, Valencia, Spain
220 Department of Physics, University of British Columbia, Vancouver BC, Canada
221 Department of Physics and Astronomy, University of Victoria, Victoria BC, Canada
222 Department of Physics, University of Warwick, Coventry, United Kingdom
223 Waseda University, Tokyo, Japan
224 Department of Particle Physics, The Weizmann Institute of Science, Rehovot, Israel
225 Department of Physics, University of Wisconsin, Madison WI, United States of America
226 Fakultät für Physik und Astronomie, Julius-Maximilians-Universität, Würzburg, Germany
227 Fakultät für Mathematik und Naturwissenschaften, Fachgruppe Physik, Bergische Universität Wuppertal, Wuppertal, Germany
228 Department of Physics, Yale University, New Haven CT, United States of America
229 Yerevan Physics Institute, Yerevan, Armenia
230 Centre de Calcul de l'Institut National de Physique Nucléaire et de Physique des Particules (IN2P3), Villeurbanne, France
This paper discusses various observations on beam-induced and cosmic-ray backgrounds in the ATLAS detector during the LHC 2012 proton-proton run. Building on published results based on 2011 data, the correlations between background and residual pressure of the beam vacuum are revisited. Ghost charge evolution over 2012 and its role for backgrounds are evaluated. New methods to monitor ghost charge with beam-gas rates are presented and observations of LHC abort gap population by ghost charge are discussed in detail. Fake jets from colliding bunches and from ghost charge are analysed with improved methods, showing that ghost charge in individual radio-frequency buckets of the LHC can be resolved. Some results of two short periods of dedicated cosmic-ray background data-taking are shown; in particular cosmic-ray muon induced fake jet rates are compared to Monte Carlo simulations and to the fake jet rates from beam background. A thorough analysis of a particular LHC fill, where abnormally high background was observed, is presented. Correlations between backgrounds and beam intensity losses in special fills with very high β* are studied.
published under the terms of the Creative Commons Attribution 3.0 Licenseby IOP Publishing Ltd and Sissa Medialab srl. Any further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation and DOI.