Search for a light Higgs boson decaying to long-lived weakly interacting particles in proton-proton collisions at sqrt[s] = 7 TeV with the ATLAS detector.

@article{Aad2012SearchFA,
  title={Search for a light Higgs boson decaying to long-lived weakly interacting particles in proton-proton collisions at sqrt[s] = 7 TeV with the ATLAS detector.},
  author={G. Aad and Brant Abbott and J. Abdinov Abdallah and Ahmad Abdelalim and Abdelmalek Abdesselam and O. B. Abdinov and Bernadette Abi and Maris Abolins and Omar Abouzeid and Halina Abramowicz and Henso Abreu and Emilio Acerbi and Bobby Samir Acharya and Leslie A Adamczyk and D. L. Adams and T. N. Addy and Jahred Adelman and M. Aderholz and Stefanie Adomeit and Pierre-Antoine Adragna and T. Adye and S. Aefsky and J. A. Aguilar-Saavedra and M. Aharrouche and S. P. Ahlen and Florian Ahles and Adilah F Ahmad and M. Ahsan and Giulio Aielli and T. Akdogan and T. P. A. {\AA}kesson and Gaku Akimoto and Alexander Akimov and A. Akiyama and Mohammad Shah Alam and M. Ashraful Alam and John Albert and Solveig Albrand and M. Aleksa and I. N. Aleksandrov and Franco Alessandria and C. Alexa and Gideon Alexander and G. Alexandre and Th Alexopoulos and M. Alhroob and M. Aliev and Gianluca Alimonti and Julia Alison and Murad Aliyev and P. P. Allport and Sarah Allwood-Spiers and Jim Almond and Alberto Aloisio and Raz Alon and A Jorge Alonso and B. Alvarez Gonzalez and M. G. Alviggi and Katsuya Amako and P Bingre do Amaral and Ch Amelung and V. V. Ammosov and Ant{\'o}nio Amorim and Gabriel Amor{\'o}s and Nir Amram and C. Anastopoulos and Lucian Ancu and N. Andari and Timothy R. Andeen and C. F. Anders and G{\"u}nther Anders and Kristen J. Anderson and Attilio Andreazza and Valentina Andrei and M-L. Andrieux and X. S. Anduaga and Aaron Angerami and Francis Anghinolfi and A. V. Anisenkov and Nuno Anjos and Alberto Annovi and A. Antonaki and Marta Antonelli and Alexander Antonov and John Antos and F. Anulli and Samar Aoun and L. Aperio Bella and R. Apolle and G. Arabidze and I. Aracena and Yasuo Arai and A. T. H. Arce and John Paul Archambault and Samir Arfaoui and J-F. Arguin and E. Arik and Mehmet Arik and A. J. Armbruster and O. Arnaez and Christian Arnault and Anton Artamonov and G. Artoni and David Arutinov and Shoji Asai and Ruslan Asfandiyarov and S. Ask and B. {\AA}sman and Lily Asquith and K. A. Assamagan and Alan Astbury and A. Astvatsatourov and Bernard Aubert and Emmanuelle Auge and K. Augsten and M E Aurousseau and Giuseppe Avolio and R. Avramidou and David Axen and Chyung Ay and G. Azuelos and Yoshiro Azuma and M A van Baak and G. Baccaglioni and Chiara Bacci and Aurea Beatriz Martins Bach and Henri Bachacou and Konstantinos Bachas and G{\'e}rard Bachy and Michael Backes and Malte Backhaus and E. Badescu and P. Bagnaia and S. Bahinipati and Y. B. Bai and David C Bailey and Travaughn Bain and J. T. M. Baines and Oliver K. Baker and Mark. D. Baker and Stacey Renee Baker and Ellen Banas and Prabir Banerjee and Sw. Banerjee and Davide Banfi and Austin Bangert and Vikas Bansal and H. S. Bansil and L. Barak and S. P. Baranov and A. Barashkou and A. Barbaro Galtieri and Tom W Barber and E. L. Barberio and Dario Barberis and M A Rodr{\'i}guez Barbero and D. Yu. Bardin and T. Barillari and M. Barisonzi and T. L. Barklow and Nick Barlow and Bryanne A M Barnett and R. Michael Barnett and Antonio Baroncelli and Giampaolo Barone and Alan J. Barr and F. Jimenez Barreiro and J. Barreiro Guimar{\~a}es da Costa and Pierre Barrillon and Rainer Bartoldus and A. E. Barton and Valeria Bartsch and Richard L. Bates and Lucia B{\'a}ťkov{\'a} and J. R. Batley and Andreas Battaglia and Michele Battistin and Florian Bauer and Harjot Bawa and Stanley Beale and Brendan K. Beare and Tristan Beau and P. H. Beauchemin and Roberto Beccherle and Philip Bechtle and H. P. Beck and Sebastian D. Becker and Matthew Beckingham and K. H. Becks and Andrew Beddall and S. Bedikian and V. A. Bednyakov and Courtney Bee and Michael Begel and S. Behar Harpaz and Pradipta Kumar Behera and Michael Beimforde and C. Belanger-Champagne and Philip J.L. Bell and William H. Bell and Gideon Bella and L. Bellagamba and F. Bellina and Massimiliano Bellomo and Alexandre Belloni and O. L. Beloborodova and K. Belotskiy and Olga Beltramello and Sarah Ben Ami and Odette Benary and D. Benchekroun and C. Benchouk and Mark Bendel and N. Benekos and Yan Benhammou and E. Benhar Noccioli and J. A. Benitez Garcia and Dinesh Benjamin and Mathieu Benoit and James R. Bensinger and Kamal Benslama and Stan Bentvelsen and Dag Magne Berge and E. Bergeaas Kuutmann and Noam Berger and Frank Berghaus and Emily Berglund and Juerg Beringer and Patrick Bernat and Romina Bernhard and Catrin Bernius and Tracey Berry and C. Bertella and Aude Bertin and F. Bertinelli and Federico Bertolucci and M. I. Besana and Nathalie. Besson and Siegfried Bethke and Wahid Bhimji and Riccardo Maria Bianchi and Maryse. Bianco and Otmar Biebel and Stephen Paul Bieniek and K. Bierwagen and Jacek Biesiada and M. G. Biglietti and Halina Bilokon and Marco Bindi and S. Binet and Alper Bingul and Cesare Bini and Catherine Biscarat and Urban Bitenc and Katharine Black and Robert Blair and J. -M. Blanchard and G. Blanchot and Thomas Blazek and Craig Blocker and Jacek Blocki and Alain Blondel and Werner Blum and Ulla Blumenschein and GJ. Bobbink and Vladim Bobrovnikov and Simona Serena Bocchetta and Adriano Bocci and Clive R. Boddy and Margaret Boehler and J. Boek and Nele Boelaert and S. B{\"o}ser and J. A. C. Bogaerts and A. G. Bogdanchikov and A. Bogouch and Christian Bohm and Val{\'e}rie Boisvert and Tuvshintulga Bold and V. Boldea and N. M. Bolnet and Marcella Bona and Valeria Bondarenko and Mariasole Bondioli and M. Boonekamp and G. E. Boorman and Christopher Neal Booth and Stefano Bordoni and Claudia Borer and A. Borisov and Guennadi Borissov and I. Borjanovi{\'c} and Simone Borroni and Koen Bos and D. Boscherini and Michel Bosman and Henk Boterenbrood and David Botterill and J. Bouchami and James Boudreau and E. V. Bouhova-Thacker and D. Boumediene and C. Bourdarios and Nicolas Bousson and Antonio Boveia and Jonathan Boyd and I. R. Boyko and N. I. Bozhko and Ivanka Bozovic-Jelisavcic and Juraj Bracinik and Alan Braem and Paolo Branchini and G. W. Brandenburg and Achi Brandt and Gerhard Brandt and Oliver Brandt and U. Bratzler and Benjamin Brau and J. E. Brau and Heiko Braun and B. Brelier and Johan Bremer and Renald Brenner and S. Bressler and Dominique Breton and David Britton and Frederic M. Brochu and Ian C. Brock and Raymond Brock and T. J. Brodbeck and Eyal Brodet and Francesco Broggi and Carolina Ritter Bromberg and Jacques Bronner and Gustaaf Brooijmans and William Keith Brooks and Gill Brown and Henry G. Brown and P. A. Bruckman de Renstrom and D. Bruncko and R. Bruneli{\`e}re and Suzanne Brunet and Alessia Bruni and Guendalina Bruni and Marco Bruschi and Trygve Buanes and Q. Buat and Francesca Bucci and James Buchanan and Nathan Buchanan and Peter Buchholz and R. M. Buckingham and A. G. Buckley and Sigitas Buda and I. A. Budagov and B. Budick and Volker Buescher and L. Bugge and O. Bulekov and Mirko Bunse and Tahir Buran and H. J. Burckhart and Steve Burdin and Thomas Burgess and Sin{\'e}ad Burke and Emmanuel Busato and Peter Bussey and Claus Peter Buszello and Francois Butin and Bret Butler and Jennifer M Butler and Craig Buttar and Jonathan M. Butterworth and W. Buttinger and S. Cabrera Urb{\'a}n and Davide Caforio and Onur Cakir and Paolo Calafiura and Giovanni Calderini and Philippe Calfayan and Robin A Calkins and L. P. Caloba and R. Caloi and David Calvet and Samuel Calvet and R. Camacho Toro and P. Camarri and Massimo Cambiaghi and david. l. cameron and L. M. Caminada and S. Campana and Michele Campanelli and Vincenzo Canale and Florencia Canelli and Alexandra Canepa and Jose Polo Cantero and Luciano Capasso and M. D. M. Capeans Garrido and Irinel Caprini and M. Caprini and Diego P. Capriotti and Marcella Capua and Regina Caputo and C. Caramarcu and Roberto Cardarelli and Tancredi Carli and Gianpaolo Carlino and L. Carminati and Bryan Caron and S. Caron and G. D. Carrillo Montoya and Arthur A. Carter and Joseph R. Carter and Joana In{\^e}s Carvalho and Domingo Casadei and M. Pilar Casado and Michele Cascella and Covadonga Caso and A. M. Castaneda Hernandez and E. Castaneda-Miranda and V. Castillo Gimenez and N. F. Castro and Gianni Cataldi and F. Cataneo and Andrea Catinaccio and J. R. Catmore and A. P. Cattai and Giordano Cattani and S. Caughron and D. Cauz and Paolo Cavalleri and Daniele Cavalli and M. Cavalli-Sforza and Vincenzo Cavasinni and Filippo Ceradini and A. S. Cerqueira and Andrea Cerri and Lucio Cerrito and Fabio Cerutti and S. A. Çetin and Francesco Cevenini and A. Chafaq and Dipanjan Chakraborty and K K.-M Chan and B. Chapleau and John D. Chapman and J. Wehrley Chapman and E. Chareyre and D. G. Charlton and Vivek P. Chavda and Carlos Chavez Barajas and Stephen Cheatham and Sergei Chekanov and S. V. Chekulaev and Georgy A. Chelkov and M. A. Chelstowska and Chien-Hung Chen and Hucheng Chen and Songbi Chen and T Chen and Xu Chen and Shu-guang Cheng and A. Cheplakov and Victor Chepurnov and R. Cherkaoui El Moursli and V. Chernyatin and Elliott Cheu and S. F. L. Cheung and Luc Chevalier and G. Chiefari and Leila Chikovani and J. T. Childers and A. G. Chilingarov and Gabriele Chiodini and Mihail V. Chizhov and Georgios Choudalakis and Sofia Chouridou and Ilektra A. Christidi and A. Christov and D. Chromek-Burckhart and Minglee Chu and Jan Chudoba and Guido Ciapetti and K. Ciba and A. K. Çiftçi and Rumeysa Çiftçi and D. Cinca and V.. Cindro and M. D. Ciobotaru and Claudia Ciocca and Alessandra Ciocio and M. Cirilli and Mauro Citterio and M. Ciubancan and Alexander Clark and Peter J. Clark and William H Cleland and J. Christopher Clemens and Benjamin Clement},
  journal={Physical review letters},
  year={2012},
  volume={108 25},
  pages={251801}
}
A search for the decay of a light Higgs boson (120-140 GeV) to a pair of weakly interacting, long-lived particles in 1.94 fb(-1) of proton-proton collisions at sqrt[s] = 7 TeV recorded in 2011 by the ATLAS detector is presented. The search strategy requires that both long-lived particles decay inside the muon spectrometer. No excess of events is observed above the expected background and limits on the Higgs boson production times branching ratio to weakly interacting, long-lived particles are… CONTINUE READING

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