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ABSTRACTS

Abdelwahab, A. ; Gardner, M. ; Parkash, R. ; [et al.]

Oxford University Press (OUP) ; 2010

In: Europace Vol. 11, No. Supplement 2 ( 2010-07-01), p. NP-NP

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In: Europace, Oxford University Press (OUP), Vol. 11, No. Supplement 2 ( 2010-07-01), p. NP-NP

Type of Medium: Online Resource

ISSN: 1099-5129 , 1532-2092

URL: Article

DOI: 10.1093/europace/eup171

Language: English

Publisher: Oxford University Press (OUP)

Publication Date: 2010

detail.hit.zdb_id: 2002579-8

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Tuesday, 28 August 2012

Ogawa, H. ; Koyanagi, R. ; Kawada-Watanabe, E. ; [et al.]

Oxford University Press (OUP) ; 2012

In: European Heart Journal Vol. 33, No. suppl 1 ( 2012-08-02), p. 655-939

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In: European Heart Journal, Oxford University Press (OUP), Vol. 33, No. suppl 1 ( 2012-08-02), p. 655-939

Type of Medium: Online Resource

ISSN: 0195-668X , 1522-9645

URL: Article

DOI: 10.1093/eurheartj/ehs283

Language: English

Publisher: Oxford University Press (OUP)

Publication Date: 2012

detail.hit.zdb_id: 2001908-7

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The Physics of the B Factories

Bevan, A. J. ; Golob, B. ; Mannel, Th. ; [et al.]

Springer Science and Business Media LLC ; 2014

In: The European Physical Journal C Vol. 74, No. 11 ( 2014-11)

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In: The European Physical Journal C, Springer Science and Business Media LLC, Vol. 74, No. 11 ( 2014-11)

Type of Medium: Online Resource

ISSN: 1434-6044 , 1434-6052

URL: Article

DOI: 10.1140/epjc/s10052-014-3026-9

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2014

detail.hit.zdb_id: 1397769-6

detail.hit.zdb_id: 1459069-4

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Multi-messenger Observations of a Binary Neutron Star Merger

Abbott, B. P. ; Abbott, R. ; Abbott, T. D. ; [et al.]

American Astronomical Society ; 2017

In: The Astrophysical Journal Vol. 848, No. 2 ( 2017-10-16), p. L12-

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In: The Astrophysical Journal, American Astronomical Society, Vol. 848, No. 2 ( 2017-10-16), p. L12-

Type of Medium: Online Resource

ISSN: 2041-8213

URL: Article

DOI: 10.3847/2041-8213/aa91c9

Language: Unknown

Publisher: American Astronomical Society

Publication Date: 2017

detail.hit.zdb_id: 2207648-7

detail.hit.zdb_id: 2006858-X

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Search for electroweak production of supersymmetric particles in final states with two τ-leptons in $$ \sqrt{s} $$ = 13 TeV pp collisions with the ATLAS detector

The ATLAS collaboration ; Aad, G. ; Abbott, B. ; [et al.]

Springer Science and Business Media LLC ; 2024

In: Journal of High Energy Physics Vol. 2024, No. 5 ( 2024-05-13)

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In: Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2024, No. 5 ( 2024-05-13)

Abstract: Three searches for the direct production of τ -sleptons or charginos and neutralinos in final states with at least two hadronically decaying τ -leptons are presented. For chargino and neutralino production, decays via intermediate τ -sleptons or W and h bosons are considered. The analysis uses a dataset of pp collisions corresponding to an integrated luminosity of 139 fb − 1 , recorded with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 13 TeV. No significant deviation from the expected Standard Model background is observed and supersymmetric particle mass limits at 95% confidence level are obtained in simplified models. For direct production of $$ {\overset{\sim }{\chi}}_1^{+}{\overset{\sim }{\chi}}_1^{-} $$ χ ~ 1 + χ ~ 1 − , chargino masses are excluded up to 970 GeV, while $$ {\overset{\sim }{\chi}}_1^{\pm } $$ χ ~ 1 ± and $$ {\overset{\sim }{\chi}}_2^0 $$ χ ~ 2 0 masses up to 1160 GeV (330 GeV) are excluded for $$ {\overset{\sim }{\chi}}_1^{\pm }{\overset{\sim }{\chi}}_2^0/{\overset{\sim }{\chi}}_1^{+}{\overset{\sim }{\chi}}_1^{-} $$ χ ~ 1 ± χ ~ 2 0 / χ ~ 1 + χ ~ 1 − production with subsequent decays via τ -sleptons ( W and h bosons). Masses of τ -sleptons up to 500 GeV are excluded for mass degenerate $$ {\overset{\sim }{\tau}}_{L,R} $$ τ ~ L , R scenarios and up to 425 GeV for $$ {\overset{\sim }{\tau}}_L $$ τ ~ L -only scenarios. Sensitivity to $$ {\overset{\sim }{\tau}}_R $$ τ ~ R -only scenarios from the ATLAS experiment is presented here for the first time, with $$ {\overset{\sim }{\tau}}_R $$ τ ~ R masses excluded up to 350 GeV.

Type of Medium: Online Resource

ISSN: 1029-8479

URL: Article

DOI: 10.1007/JHEP05(2024)150

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2024

detail.hit.zdb_id: 2027350-2

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Search for heavy neutral Higgs bosons decaying into a top quark pair in 140 fb−1 of proton-proton collision data at $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

The ATLAS collaboration ; Aad, G. ; Aakvaag, E. ; [et al.]

Springer Science and Business Media LLC ; 2024

In: Journal of High Energy Physics Vol. 2024, No. 8 ( 2024-08-02)

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In: Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2024, No. 8 ( 2024-08-02)

Abstract: A search for heavy pseudo-scalar ( A ) and scalar ( H ) Higgs bosons decaying into a top-quark pair ( $$ t\overline{t} $$ t t ¯ ) has been performed with 140 fb − 1 of proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a centre-of-mass energy of $$ \sqrt{s} $$ s = 13 TeV. Interference effects between the signal process and Standard Model (SM) $$ t\overline{t} $$ t t ¯ production are taken into account. Final states with exactly one or exactly two electrons or muons are considered. No significant deviation from the SM prediction is observed. The results of the search are interpreted in the context of a two-Higgs-doublet model (2HDM) of type II in the alignment limit with mass-degenerate pseudo-scalar and scalar Higgs bosons ( m A = m H ) and the hMSSM parameterisation of the minimal supersymmetric extension of the Standard Model. Ratios of the two vacuum expectation values, tan β , smaller than 3.49 (3.16) are excluded at 95% confidence level for m A = m H = 400 GeV in the 2HDM (hMSSM). Masses up to 1240 GeV are excluded for the lowest tested tan β value of 0.4 in the 2HDM. In the hMSSM, masses up to 950 GeV are excluded for tan β = 1.0. In addition, generic exclusion limits are derived separately for single scalar and pseudo-scalar states for different choices of their mass and total width.

Type of Medium: Online Resource

ISSN: 1029-8479

URL: Article

DOI: 10.1007/JHEP08(2024)013

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2024

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STCF conceptual design report (Volume 1): Physics & detector

Achasov, M. ; Ai, X. C. ; An, L. P. ; [et al.]

Springer Science and Business Media LLC ; 2024

In: Frontiers of Physics Vol. 19, No. 1 ( 2024-02)

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In: Frontiers of Physics, Springer Science and Business Media LLC, Vol. 19, No. 1 ( 2024-02)

Abstract: The super τ -charm facility (STCF) is an electron–positron collider proposed by the Chinese particle physics community. It is designed to operate in a center-of-mass energy range from 2 to 7 GeV with a peak luminosity of 0.5 × 10 35 cm −2 ·s −1 or higher. The STCF will produce a data sample about a factor of 100 larger than that of the present τ -charm factory — the BEPCII, providing a unique platform for exploring the asymmetry of matter-antimatter (charge-parity violation), in-depth studies of the internal structure of hadrons and the nature of non-perturbative strong interactions, as well as searching for exotic hadrons and physics beyond the Standard Model. The STCF project in China is under development with an extensive R & D program. This document presents the physics opportunities at the STCF, describes conceptual designs of the STCF detector system, and discusses future plans for detector R & D and physics case studies.

Type of Medium: Online Resource

ISSN: 2095-0462 , 2095-0470

URL: Article

DOI: 10.1007/s11467-023-1333-z

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2024

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Search for lepton-flavour violation in high-mass dilepton final states using 139 fb−1 of pp collisions at $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

The ATLAS collaboration ; Aad, G. ; Abbott, B. ; [et al.]

Springer Science and Business Media LLC ; 2023

In: Journal of High Energy Physics Vol. 2023, No. 10 ( 2023-10-13)

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In: Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2023, No. 10 ( 2023-10-13)

Abstract: A search is performed for a heavy particle decaying into different-flavour, dilepton final states, using 139 fb − 1 of proton-proton collision data at $$ \sqrt{s} $$ s = 13 TeV collected in 2015–2018 by the ATLAS detector at the Large Hadron Collider. Final states with electrons, muons and hadronically decaying tau leptons are considered ( eμ , eτ or μτ ). No significant excess over the Standard Model predictions is observed. Upper limits on the production cross-section are set as a function of the mass of a Z ′ boson, a supersymmetric τ -sneutrino, and a quantum black-hole. The observed 95% CL lower mass limits obtained on a typical benchmark model Z ′ boson are 5.0 TeV (e μ ), 4.0 TeV (e τ ), and 3.9 TeV ( μτ ), respectively.

Type of Medium: Online Resource

ISSN: 1029-8479

URL: Article

DOI: 10.1007/JHEP10(2023)082

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2023

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Search for a new heavy scalar particle decaying into a Higgs boson and a new scalar singlet in final states with one or two light leptons and a pair of τ-leptons with the ATLAS detector

The ATLAS collaboration ; Aad, G. ; Abbott, B. ; [et al.]

Springer Science and Business Media LLC ; 2023

In: Journal of High Energy Physics Vol. 2023, No. 10 ( 2023-10-03)

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In: Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2023, No. 10 ( 2023-10-03)

Abstract: A search for a new heavy scalar particle X decaying into a Standard Model (SM) Higgs boson and a new singlet scalar particle S is presented. The search uses a proton-proton ( pp ) collision data sample with an integrated luminosity of 140 fb − 1 recorded at a centre-of-mass energy of $$ \sqrt{s} $$ s = 13 TeV with the ATLAS detector at the Large Hadron Collider. The most sensitive mass parameter space is explored in X mass ranging from 500 to 1500 GeV, with the corresponding S mass in the range 200–500 GeV. The search selects events with two hadronically decaying τ -lepton candidates from H → τ + τ − decays and one or two light leptons ( ℓ = e , μ ) from S → VV ( V = W , Z ) decays while the remaining V boson decays hadronically or to neutrinos. A multivariate discriminant based on event kinematics is used to separate the signal from the background. No excess is observed beyond the expected SM background and 95% confidence level upper limits between 72 fb and 542 fb are derived on the cross-section σ ( pp → X → SH ) assuming the same SM-Higgs boson-like decay branching ratios for the S → VV decay. Upper limits on the visible cross-sections σ ( pp → X → SH → WWττ ) and σ ( pp → X → SH → ZZττ ) are also set in the ranges 3–26 fb and 6–33 fb, respectively.

Type of Medium: Online Resource

ISSN: 1029-8479

URL: Article

DOI: 10.1007/JHEP10(2023)009

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2023

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Search for pair production of squarks or gluinos decaying via sleptons or weak bosons in final states with two same-sign or three leptons with the ATLAS detector

The ATLAS collaboration ; Aad, G. ; Abbott, B. ; [et al.]

Springer Science and Business Media LLC ; 2024

In: Journal of High Energy Physics Vol. 2024, No. 2 ( 2024-02-15)

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In: Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2024, No. 2 ( 2024-02-15)

Abstract: A search for pair production of squarks or gluinos decaying via sleptons or weak bosons is reported. The search targets a final state with exactly two leptons with same-sign electric charge or at least three leptons without any charge requirement. The analysed data set corresponds to an integrated luminosity of 139 fb − 1 of proton-proton collisions collected at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC. Multiple signal regions are defined, targeting several SUSY simplified models yielding the desired final states. A single control region is used to constrain the normalisation of the WZ + jets background. No significant excess of events over the Standard Model expectation is observed. The results are interpreted in the context of several supersymmetric models featuring R-parity conservation or R-parity violation, yielding exclusion limits surpassing those from previous searches. In models considering gluino (squark) pair production, gluino (squark) masses up to 2.2 (1.7) TeV are excluded at 95% confidence level.

Type of Medium: Online Resource

ISSN: 1029-8479

URL: Article

DOI: 10.1007/JHEP02(2024)107

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2024

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