Christoph Greub

101 results

Citation Summary

Most Recent

Three-loop contributions to b → sγ associated with the current-current operators

Christoph Greub
(
- U. Bern, AEC
)
,
Hrachia M. Asatrian
(
- Yerevan Phys. Inst.
)
,
Hrachya H. Asatryan
(
- Yerevan Phys. Inst. and
- Yerevan State U.
)
,
Lukas Born
(
- U. Bern, AEC
)
,
Julian Eicher
(
- U. Bern, AEC
)

(Jul 24, 2024)

Published in:
- JHEP 11 (2024) 058
•
e-Print:
- 2407.17270 [hep-ph]

DOI

reference search1 citation

Specific three-loop contributions to b → sγ associated with the current-current operators

Christoph Greub
(
- Bern U.
)
,
Hrachia M. Asatrian
(
- Yerevan Phys. Inst.
)
,
Francesco Saturnino
(
- Bern U.
)
,
Christoph Wiegand
(
- Bern U.
)

(Mar 3, 2023)

Published in:
- JHEP 05 (2023) 201
•
e-Print:
- 2303.01714 [hep-ph]

DOI

reference search3 citations

Scalar Leptoquarks in Leptonic Processes

Andreas Crivellin
(
- CERN and
- Zurich U. and
- PSI, Villigen
)
,
Christoph Greub
(
- U. Bern, AEC
)
,
Dario Müller
(
- Zurich U. and
- PSI, Villigen
)
,
Francesco Saturnino
(
- U. Bern, AEC
)

(Oct 13, 2020)

Published in:
- JHEP 02 (2021) 182
•
e-Print:
- 2010.06593 [hep-ph]

DOI

reference search66 citations

Exact NLO matching and analyticity in

b\to s\ell\ell

Hrachia M. Asatrian
(
- Yerevan Phys. Inst.
)
,
Christoph Greub
(
- Bern U.
)
,
Javier Virto
(
- ICC, Barcelona U.
)

(Dec 19, 2019)

Published in:
- JHEP 04 (2020) 012
•
e-Print:
- 1912.09099 [hep-ph]

DOI

reference search27 citations

QCD improved matching for semileptonic B decays with leptoquarks

Jason Aebischer
(
- Munich, Tech. U., Universe
)
,
Andreas Crivellin
(
- PSI, Villigen
)
,
Christoph Greub
(
- Bern U.
)

(Nov 21, 2018)

Published in:
- Phys.Rev.D 99 (2019) 5, 055002
•
e-Print:
- 1811.08907 [hep-ph]

DOI

reference search52 citations

Importance of Loop Effects in Explaining the Accumulated Evidence for New Physics in B Decays with a Vector Leptoquark

(Jul 5, 2018)

Published in:
- Phys.Rev.Lett. 122 (2019) 1, 011805
•
e-Print:
- 1807.02068 [hep-ph]

DOI

reference search193 citations

B physics Beyond the Standard Model at One Loop: Complete Renormalization Group Evolution below the Electroweak Scale

Jason Aebischer
(
- Bern U. and
- U. Bern, AEC
)
,
Matteo Fael
(
- Bern U. and
- U. Bern, AEC
)
,
Christoph Greub
(
- Bern U. and
- U. Bern, AEC
)
,
Javier Virto
(
- Bern U. and
- U. Bern, AEC
)

(Apr 21, 2017)

Published in:
- JHEP 09 (2017) 158
•
e-Print:
- 1704.06639 [hep-ph]

DOI

reference search157 citations

The MSSM without Gluinos; an Effective Field Theory for the Stop Sector

Jason Aebischer
(
- Bern U. and
- U. Bern, AEC
)
,
Andreas Crivellin
(
- PSI, Villigen
)
,
Christoph Greub
(
- Bern U. and
- U. Bern, AEC
)
,
Youichi Yamada
(
- Tohoku U.
)

(Mar 23, 2017)

Published in:
- Eur.Phys.J.C 77 (2017) 11, 740
•
e-Print:
- 1703.08061 [hep-ph]

DOI

reference search9 citations

Improved analysis of the (

\mathcal O_7, \mathcal O_7

) contribution to

\overline{B} \rightarrow X_s \gamma \gamma

O(\alpha_s)

H.M. Asatrian
(
- Yerevan Phys. Inst.
)
,
C. Greub
(
- U. Bern, AEC and
- Bern U.
)
,
A. Kokulu
(
- Liverpool U., Dept. Math.
)

(Nov 25, 2016)

Published in:
- Phys.Rev.D 95 (2017) 5, 053006
•
e-Print:
- 1611.08449 [hep-ph]

pdfDOI

reference search4 citations

Next-to-leading order prediction for the decay

\mu \to e\kern0.22em \left({e}^{+}{e}^{-}\right)\;\nu \kern0.2em \overline{\nu}

#10

M. Fael
(
- Bern U. and
- U. Bern, AEC
)
,
C. Greub
(
- Bern U. and
- U. Bern, AEC
)

(Nov 11, 2016)

Published in:
- JHEP 01 (2017) 084
•
e-Print:
- 1611.03726 [hep-ph]

DOI

reference search35 citations

1-Loop Matching of gauge invariant dim-6 operators for B decays

#11

Jason Aebischer
(
- Bern U. and
- U. Bern, AEC
)
,
Andreas Crivellin
(
- PSI, Villigen
)
,
Matteo Fael
(
- Bern U. and
- U. Bern, AEC
)
,
Christoph Greub
(
- Bern U. and
- U. Bern, AEC
)

(Jun 8, 2016)

Published in:
- PoS BEAUTY2016 (2016) 064
•
Contribution to:
- Beauty 2016
  , 064
•
e-Print:
- 1606.02588 [hep-ph]

DOI

reference search1 citation

Matching of gauge invariant dimension-six operators for

b\to s

and

b\to c

transitions

#12

Jason Aebischer
(
- Bern U. and
- U. Bern, AEC
)
,
Andreas Crivellin
(
- CERN
)
,
Matteo Fael
(
- U. Bern, AEC and
- Bern U.
)
,
Christoph Greub
(
- U. Bern, AEC and
- Bern U.
)

(Dec 9, 2015)

Published in:
- JHEP 05 (2016) 037
•
e-Print:
- 1512.02830 [hep-ph]

DOI

reference search179 citations

(

\mathcal O_8, \mathcal O_8

) contribution to

\bar{B} \to X_s \gamma \gamma

O(\alpha_s)

#13

H.M. Asatrian
(
- Yerevan Phys. Inst.
)
,
C. Greub
(
- Bern U.
)
,
A. Kokulu
(
- Liverpool U., Dept. Math.
)

(Oct 31, 2015)

Published in:
- Phys.Rev.D 93 (2016) 1, 014037
•
e-Print:
- 1511.00153 [hep-ph]

pdfDOI

reference search3 citations

Updated NNLO QCD predictions for the weak radiative B-meson decays

#14

M. Misiak
(
- Warsaw U.
)
,
H.M. Asatrian
(
- Yerevan Phys. Inst.
)
,
R. Boughezal
(
- Argonne
)
,
M. Czakon
(
- RWTH Aachen U.
)
,
T. Ewerth
(
- KIT, Karlsruhe, TTP
)

et al.

(Mar 5, 2015)

Published in:
- Phys.Rev.Lett. 114 (2015) 22, 221801
•
e-Print:
- 1503.01789 [hep-ph]

pdfDOI

reference search459 citations

One-loop SQCD corrections to the decay of top squarks to charm and neutralino in the generic MSSM

#15

Jason Aebischer
(
- U. Bern, AEC and
- Bern U.
)
,
Andreas Crivellin
(
- CERN
)
,
Christoph Greub
(
- U. Bern, AEC and
- Bern U.
)

(Oct 30, 2014)

Published in:
- Phys.Rev.D 91 (2015) 3, 035010
•
e-Print:
- 1410.8459 [hep-ph]

pdfDOI

reference search14 citations

Next-to-leading logarithmic QCD contribution of the electromagnetic dipole operator to

\bar B \to X_s \gamma \gamma

with a massive strange quark

#16

H. M Asatrian
(
- Yerevan Phys. Inst.
)
,
C. Greub
(
- DESY and
- U. Bern, AEC and
- Bern U.
)

(Mar 18, 2014)

Published in:
- Phys.Rev.D 89 (2014) 9, 094028
•
e-Print:
- 1403.4502 [hep-ph]

pdfDOI

reference search6 citations

Flavour-violation in two-Higgs-doublet models

#17

Andreas Crivellin
(
- U. Bern, AEC and
- Bern U.
)
,
Christoph Greub
(
- U. Bern, AEC and
- Bern U.
)
,
Ahmet Kokulu
(
- U. Bern, AEC and
- Bern U.
)

(Sep 18, 2013)

Published in:
- PoS EPS-HEP2013 (2013) 338
•
Contribution to:
- EPS-HEP 2013
  , 338
•
e-Print:
- 1309.4806 [hep-ph]

linksDOI

reference search3 citations

Contributions of the W-boson propagator to

\mu

and

\tau

leptonic decay rates

#18

Andrea Ferroglia
(
- New York City Coll. Tech.
)
,
Christoph Greub
(
- U. Bern, AEC and
- Bern U.
)
,
Alberto Sirlin
(
- New York U.
)
,
Zhibai Zhang
(
- CUNY, Graduate School - U. Ctr. and
- New York City Coll. Tech.
)

(Jul 25, 2013)

Published in:
- Phys.Rev.D 88 (2013) 3, 033012
•
e-Print:
- 1307.6900 [hep-ph]

pdfDOI

reference search35 citations

Tree-level contribution to

\bar{B} \to X_d \gamma

using fragmentation functions

#19

H.M. Asatrian
(
- Yerevan Phys. Inst.
)
,
C. Greub
(
- Bern U.
)

(May 28, 2013)

Published in:
- Phys.Rev.D 88 (2013) 7, 074014
•
e-Print:
- 1305.6464 [hep-ph]

pdfDOI

reference search16 citations

Flavor-phenomenology of two-Higgs-doublet models with generic Yukawa structure

#20

Andreas Crivellin
(
- U. Bern, AEC and
- Bern U.
)
,
Ahmet Kokulu
(
- Bern U. and
- U. Bern, AEC
)
,
Christoph Greub
(
- U. Bern, AEC and
- Bern U.
)

(Mar 23, 2013)

Published in:
- Phys.Rev.D 87 (2013) 9, 094031
•
e-Print:
- 1303.5877 [hep-ph]

pdfDOI

reference search351 citations

Two-loop supersymmetric QCD corrections to Higgs-quark-quark couplings in the generic MSSM

#21

Andreas Crivellin
(
- Bern U.
)
,
Christoph Greub
(
- Bern U.
)

(Oct, 2012)

Published in:
- Phys.Rev.D 87 (2013) 015013,
- Phys.Rev.D 87 (2013) 079901 (erratum)
•
e-Print:
- 1210.7453 [hep-ph]

pdf

reference search48 citations

Explaining

B\to D\tau\nu

B\to D^*\tau\nu

and

B\to \tau\nu

in a 2HDM of type III

#22

(Jun, 2012)

Published in:
- Phys.Rev.D 86 (2012) 054014
•
e-Print:
- 1206.2634 [hep-ph]

pdflinksDOI

reference search344 citations

Perturbative Corrections to

\bar{B} \to X_s \gamma

in Supersymmetry at Next-to-Leading Order

#23

Christoph Greub
(
- Bern U.
)
,
Tobias Hurth
(
- Mainz U., Inst. Phys.
)
,
Volker Pilipp
(
- Bern U.
)
,
Christof Schuepbach
(
- Bern U.
)

(Nov, 2011)

Contribution to:
- Photon 2011
•
e-Print:
- 1111.3692 [hep-ph]

pdf

reference search2 citations

NLL QCD contribution of the Electromagnetic Dipole operator to

\bar{B} -> X_s \gamma \gamma

#24

H.M. Asatrian
(
- Yerevan Phys. Inst.
)
,
C. Greub
(
- Bern U.
)
,
A. Kokulu
(
- Bern U.
)
,
A. Yeghiazaryan
(
- Yerevan Phys. Inst.
)

(Oct, 2011)

Published in:
- Phys.Rev.D 85 (2012) 014020
•
e-Print:
- 1110.1251 [hep-ph]

pdfDOI

reference search8 citations

Complete

(O_7,O_8)

contribution to

\bar B\to X_s\gamma

O(\alpha_s^2)

#25

H.M. Asatrian
(
- Yerevan Phys. Inst.
)
,
T. Ewerth
(
- KIT, Karlsruhe, TTP and
- INFN, Turin and
- Turin U.
)
,
A. Ferroglia
(
- Mainz U., Inst. Phys. and
- City Coll., N.Y.
)
,
C. Greub
(
- Bern U.
)
,
G. Ossola
(
- City Coll., N.Y.
)

(Sep, 2011)

Contribution to:
- Low dimensional physics and gauge principles, 27-38

DOI

reference search0 citations

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Christoph Greub(
Bern U.
)

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Christoph Greub(Bern U.)

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Christoph Greub(
Bern U.
)