Roland Koppenhöfer

383 results

Citation Summary

Most Recent

Search for new physics in jet scaling patterns of multilepton events at

\sqrt{s}

= 13 TeV

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Mar 9, 2025)

e-Print:
- 2503.06726 [hep-ex]

pdf

reference search0 citations

Observation of

\Lambda

hyperon local polarization in pPb collisions at

\sqrt{s_\mathrm{NN}}

= 8.16 TeV

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Feb 11, 2025)

e-Print:
- 2502.07898 [nucl-ex]

pdfdatasets

reference search3 citations

Evidence for

CP

violation and measurement of

CP

-violating parameters in B

^0_\mathrm{s}

\to

\psi\,\phi

(1020) decays in pp collisions at

\sqrt{s} =

13 TeV

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Dec 27, 2024)

e-Print:
- 2412.19952 [hep-ex]

pdfdatasets

reference search3 citations

Search for a neutral gauge boson with nonuniversal fermion couplings in vector boson fusion processes in proton-proton collisions at

\sqrt{s}

= 13 TeV

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Dec 26, 2024)

e-Print:
- 2412.19261 [hep-ex]

pdfdatasets

reference search0 citations

Measurement of light-by-light scattering and the Breit-Wheeler process, and search for axion-like particles in ultraperipheral PbPb collisions at

\sqrt{s_\mathrm{NN}}

= 5.02 TeV

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Dec 19, 2024)

e-Print:
- 2412.15413 [nucl-ex]

pdfdatasets

reference search3 citations

Passive CMOS Strip Sensors – Characterisation, Simulation and Test Beam Results

Iveta Zatocilova
(
- Freiburg U.
)
,
Jan-Hendrik Arling
(
- DESY
)
,
Marta Baselga
(
- Dortmund U.
)
,
Naomi Davis
(
- DESY
)
,
Leena Diehl
(
- Freiburg U. and
- CERN
)

et al.

(Dec 17, 2024)

Published in:
- PoS ICHEP2024 (2025) 1073
•
Contribution to:
- ICHEP2024
  , 1073

pdfDOI

reference search0 citations

Search for heavy neutral resonances decaying to tau lepton pairs in proton-proton collisions at

\sqrt{s}

= 13 TeV

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Dec 5, 2024)

e-Print:
- 2412.04357 [hep-ex]

pdfdatasets

reference search0 citations

Proton reconstruction with the TOTEM Roman pot detectors for high-

\beta^*

LHC data

CMS and
TOTEM

Collaborations

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Nov 29, 2024)

e-Print:
- 2411.19749 [hep-ex]

pdf

reference search0 citations

Search for rare decays of the Z and Higgs bosons to a J/

\psi

\psi

(2S) meson and a photon in proton-proton collisions at

\sqrt{s}

= 13 TeV

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Nov 22, 2024)

e-Print:
- 2411.15000 [hep-ex]

pdfdatasets

reference search1 citation

Angular analysis of the B0 → K⁎(892)0μ+μ− decay in proton-proton collisions at

\sqrt{s} = 13 TeV

#10

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Nov 18, 2024)

Published in:
- Phys.Lett.B 864 (2025) 139406
•
e-Print:
- 2411.11820 [hep-ex]

pdfDOIdatasets

reference search6 citations

Reweighting simulated events using machine-learning techniques in the CMS experiment

#11

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Nov 5, 2024)

e-Print:
- 2411.03023 [hep-ex]

pdf

reference search4 citations

Search for a heavy resonance decaying into a Z and a Higgs boson in events with an energetic jet and two electrons, two muons, or missing transverse momentum in proton-proton collisions at

\sqrt{s}

= 13 TeV

#12

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Oct 31, 2024)

Published in:
- JHEP 02 (2025) 089
•
e-Print:
- 2411.00202 [hep-ex]

DOIdatasets

reference search0 citations

Measurements of inclusive and differential cross sections for top quark production in association with a Z boson in proton-proton collisions at

\sqrt{s}

= 13 TeV

#13

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Oct 30, 2024)

Published in:
- JHEP 02 (2025) 177
•
e-Print:
- 2410.23475 [hep-ex]

DOI

reference search3 citations

Search for excited tau leptons in the

\tau\tau\gamma

final state in proton-proton collisions at

\sqrt{s}

= 13 TeV

#14

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Oct 28, 2024)

e-Print:
- 2410.21137 [hep-ex]

pdf

reference search0 citations

Search for pair production of heavy particles decaying to a top quark and a gluon in the lepton+jets final state in proton-proton collisions at

\sqrt{s}

= 13 TeV

#15

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Oct 27, 2024)

Published in:
- Eur.Phys.J.C 85 (2025) 3, 342
•
e-Print:
- 2410.20601 [hep-ex]

DOIdatasets

reference search1 citation

Search for high-mass resonances in a final state comprising a gluon and two hadronically decaying W bosons in proton-proton collisions at

\sqrt{s}

= 13 TeV

#16

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Oct 22, 2024)

Published in:
- JHEP 02 (2025) 199
•
e-Print:
- 2410.17303 [hep-ex]

DOI

reference search0 citations

Performance of the CMS high-level trigger during LHC Run 2

#17

Collaboration

•

A. Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Oct 22, 2024)

Published in:
- JINST 19 (2024) 11, P11021
•
e-Print:
- 2410.17038 [physics.ins-det]

DOI

reference search26 citations

Search for heavy long-lived charged particles with large ionization energy loss in proton-proton collisions at

\sqrt{s}

= 13 TeV

#18

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Oct 11, 2024)

e-Print:
- 2410.09164 [hep-ex]

pdfdatasets

reference search3 citations

Correlations between azimuthal anisotropy and mean transverse momentum in pp, pPb, and peripheral PbPb collisions

#19

Collaboration

•

Armen Tumasyan
(
- Yerevan Phys. Inst.
)

et al.

(Oct 6, 2024)

e-Print:
- 2410.04578 [nucl-ex]

pdf

reference search0 citations

Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at

\sqrt{s}

= 13 TeV

#20

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Oct 5, 2024)

e-Print:
- 2410.04210 [hep-ex]

pdfdatasets

reference search0 citations

Energy-scaling behavior of intrinsic transverse momentum parameters in Drell-Yan simulation

#21

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Sep 26, 2024)

e-Print:
- 2409.17770 [hep-ph]

pdfdatasets

reference search7 citations

Measurement of the Higgs boson mass and width using the four-lepton final state in proton-proton collisions at

\sqrt{s}

= 13 TeV

#22

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Sep 20, 2024)

e-Print:
- 2409.13663 [hep-ex]

pdfdatasets

reference search10 citations

Measurements of polarization and spin correlation and observation of entanglement in top quark pairs using

lepton + jets

events from proton-proton collisions at

\sqrt{s} = 13 TeV

#23

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Sep 17, 2024)

Published in:
- Phys.Rev.D 110 (2024) 11, 112016
•
e-Print:
- 2409.11067 [hep-ex]

DOIdatasets

reference search17 citations

Search for light long-lived particles decaying to displaced jets in proton–proton collisions at

\sqrt{s} = 13.6~\textrm{TeV}

#24

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Sep 16, 2024)

Published in:
- Rept.Prog.Phys. 88 (2025) 3, 037801
•
e-Print:
- 2409.10806 [hep-ex]

DOIdatasets

reference search6 citations

Bottom quark energy loss and hadronization with B

^{+}

and

{\textrm{B}}_{\textrm{s}}^0

nuclear modification factors using pp and PbPb collisions at

\sqrt{s_{\textrm{NN}}}

= 5.02 TeV

#25

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

(Sep 11, 2024)

Published in:
- JHEP 02 (2025) 195
•
e-Print:
- 2409.07258 [nucl-ex]

DOIdatasets

reference search1 citation

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Roland Koppenhöfer(
KIT, Karlsruhe, EKP
)

Date of paper

Number of authors

Exclude RPP

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Collaborators

Collaboration

Affiliations

Roland Koppenhöfer(KIT, Karlsruhe, EKP)

Date of paper

Number of authors

Exclude RPP

Document Type

Collaborators

Collaboration

Affiliations

Roland Koppenhöfer(
KIT, Karlsruhe, EKP
)