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  1. Outputs

Search for cascade decays of charged sleptons and sneutrinos in final states with three leptons and missing transverse momentum in p p collisions at s = 13     TeV with the ATLAS detector

Academic Article
Publication Date:
2025
abstract:
A search for cascade decays of charged sleptons and sneutrinos using final states characterized by three leptons (electrons or muons) and missing transverse momentum is presented. The analysis is based on a dataset with 140 fb−1 of proton-proton (pp) collisions at a center-of-mass energy of √s = 13 TeV recorded ffiffi by the ATLAS detector at the Large Hadron Collider. This paper focuses on a supersymmetric scenario that is motivated by the muon anomalous magnetic moment observation, dark-mattter relic density abundance, and electroweak naturalness. A mass spectrum involving light Higgsinos and heavier sleptons with a bino at intermediate mass is targeted. No significant deviation from the Standard Model expectation is observed. This search enables us to place stringent constraints on this model, excluding at the 95% confidence level charged slepton and sneutrino masses up to 450 GeV when assuming a lightest neutralino mass of 100 GeV and mass-degenerate selectrons, smuons and sneutrinos.
Iris type:
1.1 Articolo in rivista
Keywords:
Particle Physics, High Energy Physics
List of contributors:
Aad, G.; Aakvaag, E.; Abbott, B.; Abdelhameed, S.; Abeling, K.; Abicht, N.  j.; Abidi, S.  h.; Aboelela, M.; Aboulhorma, A.; Abramowicz, H.; Abulaiti, Y.; Acharya, B.  s.; Ackermann, A.; Adam Bourdarios, C.; Adamczyk, L.; Addepalli, S.  v.; Addison, M.  j.; Adelman, J.; Adiguzel, A.; Adye, T.; Affolder, A.  a.; Afik, Y.; Agaras, M.  n.; Aggarwal, A.; Agheorghiesei, C.; Ahmadov, F.; Ahuja, S.; Ai, X.; Aielli, G.; Aikot, A.; Ait Tamlihat, M.; Aitbenchikh, B.; Akbiyik, M.; Åkesson, T.  p.  a.; Akimov, A.  v.; Akiyama, D.; Akolkar, N.  n.; Aktas, S.; Alberghi, G.  l.; Albert, J.; Albicocco, P.; Albouy, G.  l.; Alderweireldt, S.; Alegria, Z.  l.; Aleksa, M.; Aleksandrov, I.  n.; Alexa, C.; Alexopoulos, T.; Alfonsi, F.; Algren, M.; Alhroob, M.; Ali, B.; Ali, H.  m.  j.; Ali, S.; Alibocus, S.  w.; Aliev, M.; Alimonti, G.; Alkakhi, W.; Allaire, C.; Allbrooke, B.  m.  m.; Allen, J.  s.; Allen, J.  f.; Allport, P.  p.; Aloisio, A.; Alonso, F.; Alpigiani, C.; Alsolami, Z.  m.  k.; Alvarez Fernandez, A.; Alves Cardoso, M.; Alviggi, M.  g.; Aly, M.; Amaral Coutinho, Y.; Ambler, A.; Amelung, C.; Amerl, M.; Ames, C.  g.; Amezza, T.; Amidei, D.; Amini, B.; Amirie, K.; Amirkhanov, A.; Amor Dos Santos, S.  p.; Amos, K.  r.; Amperiadou, D.; An, S.; Anastopoulos, C.; Andeen, T.; Anders, J.  k.; Anderson, A.  c.; Andreazza, A.; Angelidakis, S.; Angerami, A.; Anisenkov, A.  v.; Annovi, A.; Antel, C.; Antipov, E.; Antonelli, M.; Anulli, F.; Aoki, M.; Aoki, T.; Aparo, M.  a.; Aperio Bella, L.; Apicella, M.; Appelt, C.; Apyan, A.; Arbiol Val, S.  j.; Arcangeletti, C.; Arce, A.  t.  h.; Arguin, J-F.; Argyropoulos, S.; Arling, J. -H.; Arnaez, O.; Arnold, H.; Artoni, G.; Asada, H.; Asai, K.; Asai, S.; Asbah, N.  a.; Ashby Pickering, R.  a.; Aslam, A.  m.; Assamagan, K.; Astalos, R.; Astrand, K.  s.  v.; Atashi, S.; Atkin, R.  j.; Atmani, H.; Atmasiddha, P.  a.; Augsten, K.; Auriol, A.  d.; Austrup, V.  a.; Avolio, G.; Axiotis, K.; Azuelos, G.; Babal, D.; Bachacou, H.; Bachas, K.; Bachiu, A.; Bachmann, E.; Backes, M.  j.; Badea, A.; Baer, T.  m.; Bagnaia, P.; Bahmani, M.; Bahner, D.; Bai, K.; Baines, J.  t.; Baines, L.; Baker, O.  k.; Bakos, E.; Bakshi Gupta, D.; Balabram Filho, L.  e.; Balakrishnan, V.; Balasubramanian, R.; Baldin, E.  m.; Balek, P.; Ballabene, E.; Balli, F.; Baltes, L.  m.; Balunas, W.  k.; Balz, J.; Bamwidhi, I.; Banas, E.; Bandieramonte, M.; Bandyopadhyay, A.; Bansal, S.; Barak, L.; Barakat, M.; Barberio, E.  l.; Barberis, D.; Barbero, M.; Barel, M.  z.; Barillari, T.; Barisits, M-S.; Barklow, T.; Baron, P.; Baron Moreno, D.  a.; Baroncelli, A.; Barr, A.  j.; Barr, J.  d.; Barreiro, F.; Barreiro Guimarães Da Costa, J.; Barros Teixeira, M.  g.; Barsov, S.; Bartels, F.; Bartoldus, R.; Barton, A.  e.; Bartos, P.; Basan, A.; Baselga, M.; Bashiri, S.; Bassalat, A.; Basso, M.  j.; Bataju, S.; Bate, R.; Bates, R.  l.; Batlamous, S.; Battaglia, M.; Battulga, D.; Bauce, M.; Bauer, M.; Bauer, P.; Bayer, L.  t.; Bazzano Hurrell, L.  t.; Beacham, J.  b.; Beau, T.; Beaucamp, J.  y.; Beauchemin, P.  h.; Bechtle, P.; Beck, H.  p.; Becker, K.; Beddall, A.  j.; Bednyakov, V.  a.; Bee, C.  p.; Beemster, L.  j.; Begalli, M.; Begel, M.; Behr, J.  k.; Beirer, J.  f.; Beisiegel, F.; Belfkir, M.; Bella, G.; Bellagamba, L.; Bellerive, A.; Bellgraph, C.  d.; Bellos, P.; Beloborodov, K.; Benchekroun, D.; Bendebba, F.; Benhammou, Y.; Benkendorfer, K.  c.; Beresford, L.; Beretta, M.; Bergeaas Kuutmann, E.; Berger, N.; Bergmann, B.; Beringer, J.; Bernardi, G.; Bernius, C.; Bernlochner, F.  u.; Bernon, F.; Berrocal Guardia, A.; Berry, T.; Berta, P.; Berthold, A.; Berti, A.; Bertrand, R.; Bethke, S.; Betti, A.; Bevan, A.  j.; Bezio, L.; Bhalla, N.  k.; Bharthuar, S.; Bhatta, S.; Bhattarai, P.; Bhatti, Z.  m.; Bhide, K.  d.; Bhopatkar, V.  s.; Bianchi, R.  m.; Bianco, G
Authors of the University:
CARRA' SONIA
CRESTA TOMMASO
GAUDIO GABRIELLA
INTROZZI GIANLUCA
NEGRI ANDREA
REBUZZI DANIELA MARCELLA
ROMANO EMANUELE
Handle:
https://iris.unipv.it/handle/11571/1555559
Published in:
PHYSICAL REVIEW D
Journal
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