Study of the mass and spin-parity of the Higgs boson candidate via its decays to Z boson pairs. by Chatrchyan, S, Khachatryan, V, Sirunyan, A, Tumasyan, A, Adam, W, Aguilo, E, Bergauer, T, Dragicevic, M, Erö, J, Fabjan, C, Friedl, M, Frühwirth, R, Ghete, V, Hörmann, N, Hrubec, J, Jeitler, M, Kiesenhofer, W, Knünz, V, Krammer, M, Krätschmer, I, Liko, D, Mikulec, I, Pernicka, M, Rabady, D, Rahbaran, B

“…The angular distributions of the lepton pairs in this channel are sensitive to the spin-parity of the boson. …”

Search for supersymmetry in pp collisions at s=1.96TeV using the trilepton signature for chargino-neutralino production by Aaltonen, T, Adelman, J, Akimoto, T, Albrow, MG, Álvarez GonzÁlez, B, Amerio, S, Amidei, D, Anastassov, A, Annovi, A, Antos, J, Apollinari, G, Apresyan, A, Arisawa, T, Artikov, A, Ashmanskas, W, Attal, A, Aurisano, A, Azfar, F, Azzurri, P, Badgett, W, Barbaro-Galtieri, A, Barnes, V, Barnett, B, Bartsch, V, Bauer, G

“…We use the three lepton and missing energy trilepton signature to search for chargino-neutralino production with 2.0fb-1 of integrated luminosity collected by the CDF II experiment at the Tevatron pp collider. …”

Inclusive and differential measurements of the t(t)over-bar charge asymmetry in proton-proton collisions root s=7 TeV by Chatrchyan, S, Khachatryan, V, Sirunyan, A, Tumasyan, A, Adam, W, Aguilo, E, Bergauer, T, Dragicevic, M, Eroe, J, Fabjan, C, Friedl, M, Fruehwirth, R, Ghete, V, Hammer, J, Hoermann, N, Hrubec, J, Jeitler, M, Kiesenhofer, W, Knuenz, V, Krammer, M, Liko, D, Mikulec, I, Pernicka, M, Rahbaran, B, Rohringer, C

“…The tt- charge asymmetry is measured in events containing a charged lepton (electron or muon) and at least four jets, one of which is identified as originating from b-quark hadronization. …”

Search for the standard model Higgs Boson produced in association with top quarks using the full CDF data set. by Aaltonen, T, Álvarez González, B, Amerio, S, Amidei, D, Anastassov, A, Annovi, A, Antos, J, Apollinari, G, Appel, J, Arisawa, T, Artikov, A, Asaadi, J, Ashmanskas, W, Auerbach, B, Aurisano, A, Azfar, F, Badgett, W, Bae, T, Barbaro-Galtieri, A, Barnes, V, Barnett, B, Barria, P, Bartos, P, Bauce, M, Bedeschi, F

“…No significant excess over the expected background is observed, and 95% credibility-level upper bounds are placed on the cross section σ(ttH → lepton + missing transverse energy+jets). For a Higgs boson mass of 125 GeV/c(2), we expect to set a limit of 12.6 and observe a limit of 20.5 times the standard model rate. …”

Search for charged Higgs boson decays of the top quark using hadronic tau decays by Abe, F, Akimoto, H, Akopian, A, Albrow, MG, Amendolia, SR, Amidei, D, Antos, J, AnwayWiese, C, Aota, S, Apollinari, G, Asakawa, T, Ashmanskas, W, Atac, M, Auchincloss, P, Azfar, F, AzziBacchetta, P, Bacchetta, N, Badgett, W, Bagdasarov, S, Bailey, M, Bao, J, deBarbaro, P, BarbaroGaltieri, A, Barnes, V, Barnett, B

“…When the charged Higgs boson is heavy and decays to a τ lepton, which subsequently decays hadronically, the resulting events have a unique signature: large missing transverse energy and the low-charged-multiplicity τ. …”

Spin-polarized muons in condensed matter physics by Blundell, S

“…The subsequent precession and relaxation of their spins can then be used to investigate a variety of static and dynamic effects in a sample and hence to deduce properties concerning magnetism, superconductivity and molecular dynamics. Though strictly a lepton, and behaving essentially like a heavy electron, it is convenient to think of a muon as a light proton, and it is often found with a captured electron in a hydrogen-like atom known as muonium. …”

LIFETIME AND PRODUCTION-RATE OF BEAUTY BARYONS FROM Z-DECAYS by Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, R, Alekseev, G, Allport, P, Almehed, S, Alvsvaag, S, Amaldi, U, Amato, S, Andreazza, A, Andrieux, M, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barate, R, Barbiellini, G

“…The first method used pairs of a Λ and a lepton to tag the b-baryon decay. The second method associated fully reconstructed ΛC baryons with leptons. …”

Measurement of the top quark charge in pp collisions at root s=7 TeV with the ATLAS detector by Aad, G, Abajyan, T, Abbott, B, Abdallah, J, Khalek, SA, Abdelalim, A, Abdinov, O, Aben, R, Abi, B, Abolins, M, AbouZeid, O, Abramowicz, H, Abreu, H, Abulaiti, Y, Acharya, B, Adamczyk, L, Adams, D, Addy, T, Adelman, J, Adomeit, S, Adye, T, Aefsky, S, Aguilar-Saavedra, J, Agustoni, M, Ahlen, S

“….) ± 0.08 (syst.) from the charges of the top quark decay products in single lepton tt̄ candidate events. This excludes models that propose a heavy quark of electric charge -4/3, instead of the Standard Model top quark, with a significance of more than 8σ. …”

A measurement of B+ and B0 lifetimes using {Mathematical expression} events by Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, R, Alekseev, G, Allport, P, Almehed, S, Alvsvaag, S, Amaldi, U, Amato, S, Andreazza, A, Andrieux, M, Antilogus, P, Apel, W, Arnoud, Y, Åsman, B, Augustin, J, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barate, R, Barbiellini, G

“…Samples of events with a D meson and a lepton in the same jet are selected where {Mathematical expression} and D*ℓ+ events originate mainly from the semileptonic decays of B+ and B0 mesons, respectively. …”

Measurement of tt̄ spin correlation in pp̄ collisions using the CDF II detector at the Tevatron by Aaltonen, T, Álvarez González, B, Amerio, S, Amidei, D, Anastassov, A, Annovi, A, Antos, J, Apollinari, G, Appel, J, Apresyan, A, Arisawa, T, Artikov, A, Asaadi, J, Ashmanskas, W, Auerbach, B, Aurisano, A, Azfar, F, Badgett, W, Barbaro-Galtieri, A, Barnes, V, Barnett, B, Barria, P, Bartos, P, Bauce, M, Bauer, G

“…We measure the tt̄ spin state in pp̄ collisions at √s=1.96TeV using 1001 candidate events in the lepton plus jets decay channel reconstructed in the CDF II detector. …”

Search for supersymmetry in pp collisions at sqrt[s]=1.96 TeV Using the trilepton signature for chargino-neutralino production. by Aaltonen, T, Adelman, J, Akimoto, T, Albrow, MG, Alvarez González, B, Amerio, S, Amidei, D, Anastassov, A, Annovi, A, Antos, J, Apollinari, G, Apresyan, A, Arisawa, T, Artikov, A, Ashmanskas, W, Attal, A, Aurisano, A, Azfar, F, Azzurri, P, Badgett, W, Barbaro-Galtieri, A, Barnes, V, Barnett, B, Bartsch, V, Bauer, G

“…We use the three lepton and missing energy trilepton signature to search for chargino-neutralino production with 2.0 fb;{-1} of integrated luminosity collected by the CDF II experiment at the Tevatron pp[over ] collider. …”

STUDY OF T(T)OVER-BAR PRODUCTION IN P(P)OVER-BAR COLLISIONS USING TOTAL TRANSVERSE ENERGY by Abe, F, Akimoto, H, Akopian, A, Albrow, M, Amendolia, S, Amidei, D, Antos, J, Anwaywiese, C, Aota, S, Apollinari, G, Asakawa, T, Ashmanskas, W, Atac, M, Auchincloss, P, Azfar, F, Azzibacchetta, P, Bacchetta, N, Badgett, W, Bagdasarov, S, Bailey, M, Bao, J, Debarbaro, P, Barbarogaltieri, A, Barnes, V, Barnett, B

“…We employ a simple kinematical variable H, defined as the scalar sum of the transverse energies of the lepton, neutrino, and jets. For events with a W boson and four or more jets, the shape of the H distribution deviates by 3.8 standard deviations from that expected from known backgrounds to tt» production. …”

Measurement of the top quark pair production cross section in p p̄ collisions by Abachi, S, Abbott, B, Abolins, M, Acharya, B, Adam, I, Adams, D, Adams, M, Ahn, S, Aihara, H, Alves, G, Amidi, E, Amos, N, Anderson, E, Astur, R, Baarmand, M, Baden, A, Balamurali, V, Balderston, J, Baldin, B, Banerjee, S, Bantly, J, Bartlett, J, Bazizi, K, Belyaev, A, Beri, S

“…We observe 39 tt̄ candidate events in the dilepton and lepton + jets decay channels with an expected background of 13.7 ± 2.2 events. …”

Testing Bell inequalities in Higgs boson decays by Barr, AJ

“…We show that the spin density matrix of the <i>W</i>^± pair may be reconstructed experimentally from the directions of the charged lepton decay products, and from it the expectation values of various Bell operators determined. …”

Measurement of the average time-integrated mixing probability of b-flavored hadrons produced at the Fermilab Tevatron by Acosta, D, Affolder, T, Akimoto, H, Albrow, MG, Ambrose, D, Amidei, D, Anikeev, K, Antos, J, Apollinari, G, Arisawa, T, Artikov, A, Asakawa, T, Ashmanskas, W, Azfar, F, Azzi-Bacchetta, P, Bacchetta, N, Bachacou, H, Badgett, W, Bailey, S, de Barbaro, P, Barbaro-Galtieri, A, Barnes, V, Barnett, B, Baroiant, S, Barone, M

“…We have measured the number of like-sign (LS) and opposite-sign (OS) lepton pairs arising from double semileptonic decays of b and b̄ hadrons, pair produced at the Fermilab Tevatron collider. …”

Measurement of the forward-backward charge asymmetry in top-quark pair production by Abazov, V, Abbott, B, Abolins, M, Acharya, B, Adams, M, Adams, T, Aguilo, E, Ahn, S, Ahsan, M, Alexeev, G, Alkhazov, G, Alton, A, Alverson, G, Alves, G, Anastasoaie, M, Ancu, L, Andeen, T, Anderson, S, Andrieu, B, Anzelc, MS, Arnoud, Y, Arov, M, Arthaud, M, Askew, A, Asman, B

“…We present the first measurement of the integrated forward-backward charge asymmetry in top-quark "top-antiquark pair (tt) production in proton-antiproton (pp) collisions in the lepton+jets final state. Using a b-jet tagging algorithm and kinematic reconstruction assuming tt+X production and decay, a sample of 0.9 fb-1 of data, collected by the D0 experiment at the Fermilab Tevatron Collider, is used to measure the asymmetry for different jet multiplicities. …”

Neutrinos from the Big Bang by Sarkar, S

“…Another probe of relic neutrinos is primordial nucleosynthesis which is sensitive to the number of neutrino types (including possible sterile species) as well to any lepton asymmetry. Combining such arguments with the experimental finding that neutrino mixing angles are large, excludes the possibility of a large asymmetry and disfavours new neutrinos beyond those now known.…”

Search for R-parity violating supersymmetry in two-muon and four-jet topologies. by Abazov, V, Abbott, B, Abdesselam, A, Abolins, M, Abramov, V, Acharya, B, Adams, D, Adams, M, Ahmed, SN, Alexeev, G, Alton, A, Alves, G, Amos, N, Anderson, E, Arnoud, Y, Avila, C, Baarmand, M, Babintsev, V, Babukhadia, L, Bacon, T, Baden, A, Baldin, B, Balm, P, Banerjee, S, Barberis, E

“…The decay proceeds through a lepton-number violating coupling lambda(')(2jk) (j=1,2; k=1,2,3), with R-parity conservation in all other production and decay processes. …”

Recent progress in neutrino factory and muon collider research within the Muon Collaboration by Alsharo'a, M, Ankenbrandt, C, Atac, M, Autin, B, Balbekov, V, Barger, V, Benary, O, Bennett, J, Berger, MS, Berg, J, Berz, M, Black, E, Blondel, A, Bogacz, SA, Bonesini, M, Bracker, S, Bross, A, Bruno, L, Buckley-Geer, E, Caldwell, A, Campanelli, M, Cassel, K, Catanesi, MG, Chattopadhyay, S, Chou, W

“…The physics potential of muon colliders is reviewed, both as Higgs factories and compact high-energy lepton colliders. The status and time scale of our research and development effort is reviewed as well as the latest designs in cooling channels including the promise of ring coolers in achieving longitudinal and transverse cooling simultaneously. …”

MEASUREMENT OF THE E+E- -] B(B)OVER-BAR AND E+E- -] C(C)OVER-BAR FORWARD BACKWARD ASYMMETRIES AT THE Z0 RESONANCE by Adriani, O, Aguilarbenitez, M, Ahlen, S, Akbari, H, Alcaraz, J, Aloisio, A, Alverson, G, Alviggi, M, Ambrosi, G, An, Q, Anderhub, H, Anderson, A, Andreev, V, Angelov, T, Antonov, L, Antreasyan, D, Arce, P, Arefiev, A, Atamanchuk, A, Azemoon, T, Aziz, T, Baba, P, Bagnaia, P, Bakken, J, Baksay, L

“…From a fit to the single lepton and dilepton p and pT spectra, we determine Abb=0.086±0.015±0.007 and Acc=0.083±0.038±0.027 at the effective center-of-mass energy √s=91.24 GeV. …”