Lepton-pair scattering with an off-shell and an on-shell photon at two loops in massless QED by Simon Badger, Jakub Kryś, Ryan Moodie, Simone Zoia

“…Abstract We compute the two-loop QED helicity amplitudes for the scattering of a lepton pair with an off-shell and an on-shell photon, 0 → ℓ ℓ ¯ γγ $$ \ell \overline{\ell}\gamma \gamma $$ *, using the approximation of massless leptons. …”
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Light sterile neutrinos and lepton-number-violating kaon decays in effective field theory by Guanghui Zhou

Subjects: “…Baryon/Lepton Number Violation…”
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Standard Model predictions for lepton flavour universality ratios of inclusive semileptonic B decays by Muslem Rahimi, K. Keri Vos

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Fermion dark matter and radiative neutrino masses from spontaneous lepton number breaking by Cesar Bonilla, Leon M G de la Vega, J M Lamprea, Roberto A Lineros, Eduardo Peinado

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Modular flavor models with positive modular weights: a new lepton model building by Tatsuo Kobayashi, Takaaki Nomura, Hiroshi Okada, Hajime Otsuka

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Limits on the Higgs boson lifetime and width from its decay to four charged leptons by Apyan, Aram, Barbieri, Richard Alexander, Baty, Austin Alan, Bierwagen, Katharina, Brandt, Stephanie Akemi, Busza, Wit, Cali, Ivan Amos, Demiragli, Zeynep, Di Matteo, Leonardo, Gomez-Ceballos, Guillelmo, Goncharov, Maxim, Gulhan, Doga Can, Innocenti, Gian Michele, Klute, Markus, Kovalskyi, Dmytro, Lai, Yue Shi, Lee, Yen-Jie, Levin, Andrew Michael, McGinn, Christopher Francis, Mironov, Camelia Maria, Niu, Xinmei, Paus, Christoph M. E., Ralph, Duncan Kelley, Salfeld-Nebgen, Jakob Maxillia, Stephans, George S. F., Velicanu, Dragos Alexandru, Veverka, Jan, Wang, J., Wang, Ta-Wei, Wyslouch, Boleslaw, Yang, Mingming, Luckey Jr, P David, Roland, Christof E, Roland, Gunther M, Sumorok, Konstanty C, Varma, Mukund Madhav, Wyslouch, Victoria

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Hard Two-Photon Contribution to Elastic Lepton-Proton Scattering Determined by the OLYMPUS Experiment by Ice, L. D., Khaneft, D., Schmidt, A., Kohl, M., Akopov, N., Alarcon, R., Ates, O., Avetisyan, A., Beck, R., Belostotski, S., Brinker, F., Calarco, J. R., Carassiti, V., Cisbani, E., Ciullo, G., Contalbrigo, M., De Leo, R., Diefenbach, J., Elbakian, G., Eversheim, P. D., Frullani, S., Funke, Ch., Gavrilov, G., Gläser, B., Görrissen, N., Hauschildt, J., Hoffmeister, Ph., Holler, Y., Izotov, A., Kaiser, R., Karyan, G., Kiselev, A., Klassen, P., Krivshich, A., Lehmann, I., Lenisa, P., Lenz, D., Lumsden, S., Ma, Y., Maas, F., Marukyan, H., Miklukho, O., Milner, R. G., Movsisyan, A., Murray, M., Naryshkin, Y., Perez Benito, R., Perrino, R., Rodríguez Piñeiro, D., Rosner, G., Schneekloth, U., Seitz, B., Statera, M., Thiel, A., Vardanyan, H., Veretennikov, D., Yeganov, V., Henderson, Brian Scott, O'Connor, Colton David, Russell, Rebecca Lynn, Bernauer, Jan Christopher, Bessuille, Jason C., Donnelly, T William, Dow, Karen Ann, Ihloff, Ernest E, Kelsey, James E, Milner, Richard G, Redwine, Robert P, Vidal, Christopher J, Winnebeck, Alexander, Schmidt, Axel William, Hasell, Douglas K.

“…A toroidal magnetic spectrometer instrumented with drift chambers and time-of-flight scintillators detected elastically scattered leptons in coincidence with recoiling protons over a scattering angle range of ≈20° to 80°. …”
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Search for lepton-flavour-violating H → μτ decays of the Higgs boson with the ATLAS detector by Taylor, Frank E

“…A direct search for lepton-flavour-violating H → μτ decays of the recently discovered Higgs boson with the ATLAS detector at the LHC is presented. …”
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First simultaneous measurement of the top quark mass in the lepton + jets and dilepton channels at CDF by Bauer, Gerry P, Choudalakis, Georgios, Gomez-Ceballos, Guillelmo, Hahn, Kristian Allan, Makhoul, Khaldoun, Paus, Christoph M. E., Xie, Si, Henderson, C., Knuteson, Bruce O.

“…This is the first measurement of the top quark mass using top-antitop pair candidate events in the lepton+jets and dilepton decay channels simultaneously. …”
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Test of lepton universality with Λb0→ pK-ℓ+ℓ- decays

“…This is the first test of lepton universality with b baryons and the first observation of the decay Λb0 → pK−e+e−. …”
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Test of lepton universality with Λb0→ pK-ℓ+ℓ- decays by The LHCb Collaboration, Boettcher, Thomas Julian, Craik, Daniel C, Weisser, Constantin, Williams, Michael

“…This is the first test of lepton universality with b baryons and the first observation of the decay Λb0 → pK−e+e−. …”
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Reconstruction and identification of τ lepton decays to hadrons and ν<inf>τ</inf> at CMS by The CMS Collaboration

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Measurement of the Charge-Averaged Elastic Lepton-Proton Scattering Cross Section by the OLYMPUS Experiment by Milner, Richard G

“…Elastic scattering events were identified from the coincident detection of the scattered lepton and recoil proton in a large-acceptance toroidal spectrometer. …”
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Search for the lepton-flavour violating decays B0 → K*0τ±μ∓ by Aaij, R., Abdelmotteleb, A. S. W., Abellan Beteta, C., Abudinén, F., Ackernley, T., Adeva, B., Adinolfi, M., Afsharnia, H., Agapopoulou, C., Aidala, C. A., Aiola, S., Ajaltouni, Z., Akar, S., Akiba, K., Albrecht, J., Alessio, F.

“…Abstract A first search for the lepton-flavour violating decays B0 → K*0τ±μ∓ is presented. …”
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Direct CP, Lepton Flavor, and Isospin Asymmetries in the Decays B-->K(*)l+l- by Cowan, Ray Franklin, Spitznagel, M., Sciolla, Gabriella, Fisher, Peter H., Koeneke, Karsten, Taylor, Frank E., Dujmic, Denis, Yamamoto, R. K., Zhao, M.

“…We find no evidence for direct CP or lepton-flavor asymmetries. However, for dilepton masses below the J/ψ resonance, we find evidence for unexpectedly large isospin asymmetries in both B→Kl+l- and B→K*l+l- which differ, respectively, by 3.2σ and 2.7σ, including systematic uncertainties, from the standard model expectations.…”
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Search for the rare leptonic decays B+-->l+ nu l (l=e,mu) by Zhao, M., Yamamoto, R. K., Sciolla, Gabriella, Henderson, Shawn Wesley, Dujmic, Denis, Spitznagel, Michael A, Cowan, Ray F, Fisher, Peter H

“…We have performed a search for the rare leptonic decays B+-->ℓ+nu ℓ(l=e,mu), using data collected at the Υ(4S) resonance by the BABAR detector at the PEP-II storage ring. …”
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Search for Lepton Flavor Violating Decays tau--->l-Ks0 with the BABAR Experiment by Fisher, Peter H., Cowan, Ray Franklin, Dujmic, Denis, Henderson, Shawn Wesley, Sciolla, Gabriella, Spitznagel, M., Taylor, Frank E., Yamamoto, R. K., Zhao, M.

“…A search for the lepton flavor violating decays tau--->l-KS0 (l=e or mu) has been performed using a data sample corresponding to an integrated luminosity of 469  fb[superscript -1], collected with the BABAR detector at the SLAC PEP-II e+e- asymmetric energy collider. …”
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Measurement of ZZ Production in Leptonic Final States at √s of 1.96 TeV at CDF by Gomez-Ceballos, Guillelmo, Goncharov, Maxim, Paus, Christoph M. E.

“…The result is obtained by combining separate measurements in the four-charged (ℓℓℓ′ℓ′) and two-charged-lepton and two-neutral-lepton (ℓℓνν) decay modes of the Z boson pair. …”
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Search for excited leptons in proton-proton collisions at √s=7  TeV with the ATLAS detector by Taylor, Frank E.

“…The ATLAS detector is used to search for excited leptons in the electromagnetic radiative decay channel ℓ*→ℓγ. …”
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Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states by Apyan, Aram, Busza, Wit, Cali, Ivan Amos, Chan, M., Di Matteo, Leonardo, Gomez-Ceballos, Guillelmo, Goncharov, Maxim, Gulhan, Doga Can, Klute, Markus, Lai, Yue Shi, Ma, Teng, Paus, Cristoph M. E., Ralph, Duncan Kelley, Roland, Cristof E., Stephans, George S. F., Velicanu, Dragos Alexandru, Veverka, Jan, Wyslouch, Boleslaw, Yoon, A. S., Zanetti, Marco, Paus, Christoph M. E., Barbieri, Richard Alexander, Bauer, Gerry P, Dutta, Valentina, Lee, Yen-Jie, Levin, Andrew Michael, Luckey Jr, P David, Roland, Gunther M, Stoeckli, Fabian, Sumorok, Konstanty C, Yang, Mingming, Wyslouch, Victoria, Roland, Christof E

“…The Higgs boson candidates are selected in events with two or three charged leptons. An excess of events above background is observed, consistent with the expectation from the standard model Higgs boson with a mass of around 125 GeV. …”
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