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Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a Z Boson from pp Collisions at sqrt[s]=13  TeV.

Publication ,  Journal Article
Aaboud, M; Aad, G; Abbott, B; Abdinov, O; Abeloos, B; Abhayasinghe, DK; Abidi, SH; AbouZeid, OS; Abraham, NL; Abramowicz, H; Abreu, H; Adam, L ...
Published in: Physical review letters
April 2019

This Letter presents a search for the production of a long-lived neutral particle (Z_{d}) decaying within the ATLAS hadronic calorimeter, in association with a standard model (SM) Z boson produced via an intermediate scalar boson, where Z→ℓ^{+}ℓ^{-} (ℓ=e, μ). The data used were collected by the ATLAS detector during 2015 and 2016 pp collisions with a center-of-mass energy of sqrt[s]=13  TeV at the Large Hadron Collider and correspond to an integrated luminosity of 36.1±0.8  fb^{-1}. No significant excess of events is observed above the expected background. Limits on the production cross section of the scalar boson times its decay branching fraction into the long-lived neutral particle are derived as a function of the mass of the intermediate scalar boson, the mass of the long-lived neutral particle, and its cτ from a few centimeters to one hundred meters. In the case that the intermediate scalar boson is the SM Higgs boson, its decay branching fraction to a long-lived neutral particle with a cτ approximately between 0.1 and 7 m is excluded with a 95% confidence level up to 10% for m_{Z_{d}} between 5 and 15 GeV.

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Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

April 2019

Volume

122

Issue

15

Start / End Page

151801

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

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Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, D. K., … Chouridou, S. (2019). Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a Z Boson from pp Collisions at sqrt[s]=13  TeV. Physical Review Letters, 122(15), 151801. https://doi.org/10.1103/physrevlett.122.151801
Aaboud, M., G. Aad, B. Abbott, O. Abdinov, B. Abeloos, D. K. Abhayasinghe, S. H. Abidi, et al. “Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a Z Boson from pp Collisions at sqrt[s]=13  TeV.Physical Review Letters 122, no. 15 (April 2019): 151801. https://doi.org/10.1103/physrevlett.122.151801.
Aaboud M, Aad G, Abbott B, Abdinov O, Abeloos B, Abhayasinghe DK, et al. Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a Z Boson from pp Collisions at sqrt[s]=13  TeV. Physical review letters. 2019 Apr;122(15):151801.
Aaboud, M., et al. “Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a Z Boson from pp Collisions at sqrt[s]=13  TeV.Physical Review Letters, vol. 122, no. 15, Apr. 2019, p. 151801. Epmc, doi:10.1103/physrevlett.122.151801.
Aaboud M, Aad G, Abbott B, Abdinov O, Abeloos B, Abhayasinghe DK, Abidi SH, AbouZeid OS, Abraham NL, Abramowicz H, Abreu H, Abulaiti Y, Acharya BS, Adachi S, Adam L, Adamczyk L, Adelman J, Adersberger M, Adiguzel A, Adye T, Affolder AA, Afik Y, Agheorghiesei C, Aguilar-Saavedra JA, Ahmadov F, Aielli G, Akatsuka S, Åkesson TPA, Akilli E, Akimov AV, Alberghi GL, Albert J, Albicocco P, Alconada Verzini MJ, Alderweireldt S, Aleksa M, Aleksandrov IN, Alexa C, Alexandre D, Alexopoulos T, Alhroob M, Ali B, Alimonti G, Alison J, Alkire SP, Allaire C, Allbrooke BMM, Allen BW, Allport PP, Aloisio A, Alonso A, Alonso F, Alpigiani C, Alshehri AA, Alstaty MI, Alvarez Gonzalez B, Álvarez Piqueras D, Alviggi MG, Amadio BT, Amaral Coutinho Y, Ambler A, Ambroz L, Amelung C, Amidei D, Amor Dos Santos SP, Amoroso S, Amrouche CS, An F, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders JK, Anderson KJ, Andreazza A, Andrei V, Anelli CR, Angelidakis S, Angelozzi I, Angerami A, Anisenkov AV, Annovi A, Antel C, Anthony MT, Antonelli M, Antrim DJA, Anulli F, Aoki M, Aparisi Pozo JA, Aperio Bella L, Arabidze G, Araque JP, Araujo Ferraz V, Araujo Pereira R, Arce ATH, Ardell RE, Arduh FA, Arguin J-F, Argyropoulos S, Arling J-H, Armbruster AJ, Armitage LJ, Armstrong A, Arnaez O, Arnold H, Arratia M, Arslan O, Artamonov A, Artoni G, Artz S, Asai S, Asbah N, Asimakopoulou EM, Asquith L, Assamagan K, Astalos R, Atkin RJ, Atkinson M, Atlay NB, Augsten K, Avolio G, Avramidou R, Ayoub MK, Azoulay AM, Azuelos G, Baas AE, Baca MJ, Bachacou H, Bachas K, Backes M, Bagnaia P, Bahmani M, Bahrasemani H, Bailey AJ, Bailey VR, Baines JT, Bajic M, Bakalis C, Baker OK, Bakker PJ, Bakshi Gupta D, Balaji S, Baldin EM, Balek P, Balli F, Balunas WK, Balz J, Banas E, Bandyopadhyay A, Banerjee S, Bannoura AAE, Barak L, Barbe WM, Barberio EL, Barberis D, Barbero M, Barillari T, Barisits M-S, Barkeloo J, Barklow T, Barnea R, Barnes SL, Barnett BM, Barnett RM, Barnovska-Blenessy Z, Baroncelli A, Barone G, Barr AJ, Barranco Navarro L, Barreiro F, Barreiro Guimarães da Costa J, Bartoldus R, Barton AE, Bartos P, Basalaev A, Bassalat A, Bates RL, Batista SJ, Batlamous S, Batley JR, Battaglia M, Bauce M, Bauer F, Bauer KT, Bawa HS, Beacham JB, Beau T, Beauchemin PH, Bechtle P, Beck HC, Beck HP, Becker K, Becker M, Becot C, Beddall A, Beddall AJ, Bednyakov VA, Bedognetti M, Bee CP, Beermann TA, Begalli M, Begel M, Behera A, Behr JK, Beisiegel F, Bell AS, Bella G, Bellagamba L, Bellerive A, Bellomo M, Bellos P, Belotskiy K, Belyaev NL, Benary O, Benchekroun D, Bender M, Benekos N, Benhammou Y, Benhar Noccioli E, Benitez J, Benjamin DP, Benoit M, Bensinger JR, Bentvelsen S, Beresford L, Beretta M, Berge D, Bergeaas Kuutmann E, Berger N, Bergmann B, Bergsten LJ, Beringer J, Berlendis S, Bernard NR, Bernardi G, Bernius C, Bernlochner FU, Berry T, Berta P, Bertella C, Bertoli G, Bertram IA, Besjes GJ, Bessidskaia Bylund O, Bessner M, Besson N, Bethani A, Bethke S, Betti A, Bevan AJ, Beyer J, Bi R, Bianchi RM, Biebel O, Biedermann D, Bielski R, Bierwagen K, Biesuz NV, Biglietti M, Billoud TRV, Bindi M, Bingul A, Bini C, Biondi S, Birman M, Bisanz T, Biswal JP, Bittrich C, Bjergaard DM, Black JE, Black KM, Blazek T, Bloch I, Blocker C, Blue A, Blumenschein U, Blunier S, Bobbink GJ, Bobrovnikov VS, Bocchetta SS, Bocci A, Boerner D, Bogavac D, Bogdanchikov AG, Bohm C, Boisvert V, Bokan P, Bold T, Boldyrev AS, Bolz AE, Bomben M, Bona M, Bonilla JS, Boonekamp M, Borecka-Bielska HM, Borisov A, Borissov G, Bortfeldt J, Bortoletto D, Bortolotto V, Boscherini D, Bosman M, Bossio Sola JD, Bouaouda K, Boudreau J, Bouhova-Thacker EV, Boumediene D, Bourdarios C, Boutle SK, Boveia A, Boyd J, Boye D, Boyko IR, Bozson AJ, Bracinik J, Brahimi N, Brandt A, Brandt G, Brandt O, Braren F, Bratzler U, Brau B, Brau JE, Breaden Madden WD, Brendlinger K, Brenner L, Brenner R, Bressler S, Brickwedde B, Briglin DL, Britton D, Britzger D, Brock I, Brock R, Brooijmans G, Brooks T, Brooks WK, Brost E, Broughton JH, Bruckman de Renstrom PA, Bruncko D, Bruni A, Bruni G, Bruni LS, Bruno S, Brunt BH, Bruschi M, Bruscino N, Bryant P, Bryngemark L, Buanes T, Buat Q, Buchholz P, Buckley AG, Budagov IA, Bugge MK, Bührer F, Bulekov O, Bullock D, Burch TJ, Burdin S, Burgard CD, Burger AM, Burghgrave B, Burka K, Burke S, Burmeister I, Burr JTP, Büscher V, Buschmann E, Bussey P, Butler JM, Buttar CM, Butterworth JM, Butti P, Buttinger W, Buzatu A, Buzykaev AR, Cabras G, Cabrera Urbán S, Caforio D, Cai H, Cairo VMM, Cakir O, Calace N, Calafiura P, Calandri A, Calderini G, Calfayan P, Callea G, Caloba LP, Calvente Lopez S, Calvet D, Calvet S, Calvet TP, Calvetti M, Camacho Toro R, Camarda S, Camarero Munoz D, Camarri P, Cameron D, Caminal Armadans R, Camincher C, Campana S, Campanelli M, Camplani A, Campoverde A, Canale V, Cano Bret M, Cantero J, Cao T, Cao Y, Capeans Garrido MDM, Caprini I, Caprini M, Capua M, Carbone RM, Cardarelli R, Cardillo FC, Carli I, Carli T, Carlino G, Carlson BT, Carminati L, Carney RMD, Caron S, Carquin E, Carrá S, Carter JWS, Casadei D, Casado MP, Casha AF, Casper DW, Castelijn R, Castillo FL, Castillo Gimenez V, Castro NF, Catinaccio A, Catmore JR, Cattai A, Caudron J, Cavaliere V, Cavallaro E, Cavalli D, Cavalli-Sforza M, Cavasinni V, Celebi E, Ceradini F, Cerda Alberich L, Cerqueira AS, Cerri A, Cerrito L, Cerutti F, Cervelli A, Cetin SA, Chafaq A, Chakraborty D, Chan SK, Chan WS, Chapman JD, Chargeishvili B, Charlton DG, Chau CC, Chavez Barajas CA, Che S, Chegwidden A, Chekanov S, Chekulaev SV, Chelkov GA, Chelstowska MA, Chen C, Chen CH, Chen H, Chen J, Chen S, Chen SJ, Chen X, Chen Y, Chen Y-H, Cheng HC, Cheng HJ, Cheplakov A, Cheremushkina E, Cherkaoui El Moursli R, Cheu E, Cheung K, Chevalérias TJA, Chevalier L, Chiarella V, Chiarelli G, Chiodini G, Chisholm AS, Chitan A, Chiu I, Chiu YH, Chizhov MV, Choi K, Chomont AR, Chouridou S. Search for the Production of a Long-Lived Neutral Particle Decaying within the ATLAS Hadronic Calorimeter in Association with a Z Boson from pp Collisions at sqrt[s]=13  TeV. Physical review letters. 2019 Apr;122(15):151801.

Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

April 2019

Volume

122

Issue

15

Start / End Page

151801

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences