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Electroweak-interacting massive particles (EWIMPs) exist in a broad class of new physics models beyond the Standard Model. Searching for such particles is one of most primary goal at the LHC and future colliders. The EWIMP generally affects…

High Energy Physics - Phenomenology · Physics 2018-10-30 Shigeki Matsumoto , Satoshi Shirai , Michihisa Takeuchi

There are many models beyond the standard model which include electroweakly interacting massive particles (EWIMPs), often in the context of the dark matter. In this paper, we study the indirect search of EWIMPs using a precise measurement…

High Energy Physics - Phenomenology · Physics 2019-02-19 So Chigusa , Yohei Ema , Takeo Moroi

There are many extensions of the standard model that predict the existence of electroweakly interacting massive particles (EWIMPs), in particular in the context of the dark matter. In this paper, we provide a way for indirectly studying…

High Energy Physics - Phenomenology · Physics 2019-09-25 Tomohiro Abe , So Chigusa , Yohei Ema , Takeo Moroi

Many extensions of the standard model (SM) involve new massive particles charged under the electroweak gauge symmetry. The electroweakly interacting new particles affect various SM processes through radiative corrections. We discuss the…

High Energy Physics - Phenomenology · Physics 2018-07-04 Shigeki Matsumoto , Satoshi Shirai , Michihisa Takeuchi

Recently, a novel collider, called $\mu$TRISTAN, has been proposed, offering the capability to achieve high-energy collisions of anti-muons. This high-energy collider presents an exceptional opportunity for the discovery of…

High Energy Physics - Phenomenology · Physics 2024-07-26 Risshin Okabe , Satoshi Shirai

Various types of electroweak-interacting particles, which have non-trivial charges under the $\mathrm{SU}(2)_L \times \mathrm{U}(1)_Y$ gauge symmetry, appear in various extensions of the Standard Model. These particles are good targets of…

High Energy Physics - Phenomenology · Physics 2015-09-24 Keisuke Harigaya , Koji Ichikawa , Anirban Kundu , Shigeki Matsumoto , Satoshi Shirai

Models of Weakly Interacting Massive Particles (WIMPs) specified at the electroweak scale are systematically matched to effective theories at hadronic scales where WIMP-nucleus scattering observables are evaluated. Anomalous dimensions and…

High Energy Physics - Phenomenology · Physics 2015-03-05 Richard J. Hill , Mikhail P. Solon

We evaluate the prospects for finding evidence of dark matter production at the Large Hadron Collider. We consider WIMPs and superWIMPs, weakly- and superweakly-interacting massive particles, and characterize their properties through…

High Energy Physics - Phenomenology · Physics 2009-11-11 Jonathan L. Feng , Shufang Su , Fumihiro Takayama

We discuss the non-perturbative effects on the annihilation cross section of an Electro-Weak Dark Matter (EWDM) particle belonging to an electroweak multiplet when the splittings between the masses of the DM component and the other charged…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Eung Jin Chun , Jong-Chul Park , Stefano Scopel

Weakly interacting massive particles (WIMPs) form a promising solution to the dark matter problem and many experiments are now searching for these particles. Using effective field theories to describe the interaction of the WIMP with the…

High Energy Physics - Phenomenology · Physics 2013-08-22 Daniel Schmeier

High-energy neutral and charged Drell--Yan differential cross-section measurements are powerful probes of quark-lepton contact interactions that produce growing-with-energy effects. This paper provides theoretical predictions of the new…

High Energy Physics - Phenomenology · Physics 2021-03-03 Lorenzo Ricci , Riccardo Torre , Andrea Wulzer

Heavy WIMP (weakly-interacting-massive-particle) effective field theory is used to compute the WIMP-nucleon scattering rate for general heavy electroweak multiplets through order $m_W/M$, where $m_W$ and $M$ denote the electroweak and WIMP…

High Energy Physics - Phenomenology · Physics 2023-09-07 Qing Chen , Gui-Jun Ding , Richard J. Hill

Weakly Interacting Massive Particles (WIMPs, $\chi$) are candidates for Dark Matter. WIMP searches at lepton colliders are complementary to searches at hadron colliders and direct and indirect detection, since they directly probe the…

High Energy Physics - Experiment · Physics 2017-02-20 Moritz Habermehl , Keisuke Fujii , Jenny List , Shigeki Matsumoto , Tomohiko Tanabe

The Standard Model (SM) is the best description of fundamental particles and their interactions we have to date. From this theory, all phenomena in the macroscopic world (except for gravity) can be explained, and it has successfully…

High Energy Physics - Phenomenology · Physics 2024-07-30 Joan Ruiz-Vidal

Super-weakly interacting massive particles produced in the late decays of weakly interacting massive particles (WIMPs) are generic in large regions of supersymmetric parameter space and other frameworks for physics beyond the standard…

High Energy Physics - Phenomenology · Physics 2013-08-08 Jose A. R. Cembranos , Manoj Kaplinghat

We summarize the status of calculations of the electroweak radiative corrections to W and Z boson production via the Drell-Yan mechanism at hadron colliders. To fully exploit the precision physics potential of the high-luminosity…

High Energy Physics - Phenomenology · Physics 2007-05-23 U. Baur , D. Wackeroth

In this study, the sensitivity of future lepton colliders to WIMP dark matter is evaluated assuming WIMP pair production accompanied by a photon from initial state radiation, through which the process can be identified. A full detector…

High Energy Physics - Experiment · Physics 2020-05-06 Moritz Habermehl , Mikael Berggren , Jenny List

Direct detection of Weakly Interacting Massive Particle (WIMP) candidates of Dark Matter (DM) is studied within the context of a self-consistent truncated isothermal model of the finite-size dark halo of the Galaxy based on the "King model"…

Cosmology and Nongalactic Astrophysics · Physics 2014-01-03 Soumini Chaudhury , Pijushpani Bhattacharjee , Ramanath Cowsik

Guided by non-relativistic Effective Field Theory (EFT) we classify the most general spin-dependent interactions between a fermionic Weakly Interacting Massive Particle (WIMP) and nuclei, and within this class of models we discuss the…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-06 Stefano Scopel , Jong-Hyun Yoon , KookHyun Yoon

Currently the best prospect for detecting Weakly Interacting Massive Particles (WIMPs) is via the annual modulation, which occurs due to the Earth's rotation around the Sun, of the direct detection signal. We investigate the effect of…

Astrophysics · Physics 2014-10-13 Anne M. Green
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