Fiducial qT resummation of color-singlet processes at N3LL+NNLO
被引:51
作者:
Becher, Thomas
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机构:
Univ Bern, Inst Theoret Phys, Albert Einstein Ctr Fundamental Phys, Sidlerstr 5, CH-3012 Bern, SwitzerlandUniv Bern, Inst Theoret Phys, Albert Einstein Ctr Fundamental Phys, Sidlerstr 5, CH-3012 Bern, Switzerland
Becher, Thomas
[1
]
Neumann, Tobias
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机构:
Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA
IIT, Dept Phys, Chicago, IL 60616 USAUniv Bern, Inst Theoret Phys, Albert Einstein Ctr Fundamental Phys, Sidlerstr 5, CH-3012 Bern, Switzerland
Neumann, Tobias
[2
,3
]
机构:
[1] Univ Bern, Inst Theoret Phys, Albert Einstein Ctr Fundamental Phys, Sidlerstr 5, CH-3012 Bern, Switzerland
[2] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA
We present a framework for q(T) resummation at (NLL)-L-3+NNLO accuracy for arbitrary color-singlet processes based on a factorization theorem in SCET. Our implementation CuTe-MCFM is fully differential in the Born kinematics and matches to large-q(T) fixed-order predictions at relative order alpha s2. It provides an efficient way to estimate uncertainties from fixed-order truncation, resummation, and parton distribution functions. In addition to W-+/-, Z and H production, also the diboson processes gamma gamma, Z gamma, ZH and (WH)-H-+/- are available, including decays. We discuss and exemplify the framework with several direct comparisons to experimental measurements as well as inclusive benchmark results. In particular, we present novel results for gamma gamma and Z gamma at (NLL)-L-3+NNLO and discuss in detail the power corrections induced by photon isolation requirements.
机构:
Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USACarnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA
Jain, Ambar
;
Neill, Duff
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机构:
Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USACarnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA
Neill, Duff
;
Rothstein, Ira Z.
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机构:
Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA
CALTECH, Dept Phys, Pasadena, CA 91125 USACarnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA
机构:
Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USACarnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA
Jain, Ambar
;
Neill, Duff
论文数: 0引用数: 0
h-index: 0
机构:
Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USACarnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA
Neill, Duff
;
Rothstein, Ira Z.
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h-index: 0
机构:
Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA
CALTECH, Dept Phys, Pasadena, CA 91125 USACarnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA