Publications by Martin Lubej | EPFL Graph Search

Design and printing of a coplanar capacitive proximity sensor to detect the gap between dielectric foils edges

Danick Briand, Rubaiyet Iftekharul Haque, Martin Lubej

This paper presents the design and development of a coplanar capacitive proximity sensor for the detection of the gap between the edges of dielectric foils. The finite element analysis is applied to study the design of the sensor by investigating the effec ...

2022

Measurements of isospin asymmetry and difference of direct CP asymmetries in inclusive B -> X-s gamma decays

Olivier Schneider, Sun Hee Kim, Steve Michel Berger, Tagir Aushev, Mingkui Wang, Chao Wang, Yong Chan Choi, Arnaud Michel Gelb, Kyung Taek Cho, Jun Yong Kim, Linlin Cao, Carsten Hao Ye Chong, Tara Nanut, Donghyun Kim, Martin Lubej, Chang-Hyun Park, Yifei Guan, Lei Li, Ji Hyun Kim, Yiming Li

We report measurements of isospin asymmetry Delta(0-) and difference of direct CP asymmetries Delta A(CP) between charged and neutral B -> X-s gamma decays. This analysis is based on the data sample containing 772 x 10(6)B (B) over bar pairs that was colle ...

American Physical Society2019

Search for a Light CP-odd Higgs Boson and Low-Mass Dark Matter at the Belle Experiment

Roberto Gargiani, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Chao Wang, Hiroyasu Yamamoto, Yong Chan Choi, Seyed Sina Mirrazavi Salehian, Arnaud Michel Gelb, Ke Huang, Gaétan Charles Antoine Giriat, Jun Yong Kim, Mithilesh Nayak, Linlin Cao, Jiayun Shen, Tara Nanut, Donghyun Kim, Martin Lubej, Chang-Hyun Park, Lei Li, Ji Hyun Kim, Yiming Li

We report on the first Belle search for a light CP-odd Higgs boson, A(0), that decays into low mass dark matter, chi, in final states with a single photon and missing energy. We search for events produced via the dipion transition (sic)(2S) -> (sic)(1S)pi( ...

2019

Measurement of cos 2 beta in B-0 -> D((*))h(0) with D -> K-S(0)pi(+) pi(-) decays by a combined time-dependent Dalitz plot analysis of BABAR and Belle data

François Bianchi, Roberto Gargiani, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Gerhard Raven, Mingkui Wang, Marilisa Neri, Liang Sun, Chao Wang, Taoufiq Harach, Songmei Wu, Yong Chan Choi, Greig Alan Cowan, Alexandra Bondarenko, Lorenzo Vitale, Arnaud Michel Gelb, Aaron James Rossini, Amaury Robert Dame, Gaétan Charles Antoine Giriat, Jun Yong Kim, Mithilesh Nayak, Jiayun Shen, Armend Gazmeno Hati, John Wilson, Tara Nanut, Donghyun Kim, Martin Lubej, Lei Li, Ji Hyun Kim, Yiming Li

We report measurements of sin 2 beta and cos 2 beta using a time-dependent Dalitz plot analysis of B-0 -> D((*))h(0) with D -> K-S(0)pi(+)pi(-) decays, where the light unflavored and neutral hadron h(0) is a pi(0),eta, or omega meson. The analysis uses a c ...

American Physical Society2018

Low-power printed micro-hotplates through aerosol jetting of gold on thin polyimide membranes

Danick Briand, Saleem Khan, Martin Lubej, Thi-Vong Nguyen

2018

Search for the rare decay of B+ -> l(+)nu e gamma with improved hadronic tagging

Roberto Gargiani, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Chao Wang, Hiroyasu Yamamoto, Taoufiq Harach, Yong Chan Choi, Seyed Sina Mirrazavi Salehian, Mia Primorac, Arnaud Michel Gelb, Tao Yang, Gaétan Charles Antoine Giriat, Mithilesh Nayak, Linlin Cao, Jiayun Shen, Donghyun Kim, Martin Lubej, Yiming Li, Xiao Wang

We present the result of the search for the rare B meson decay of B+ -> l(+)nu e gamma with l = e, mu. For the search the full data set recorded by the Belle experiment of 711 fb(-1) integrated luminosity near the Upsilon(4S) resonance is used. Signal cand ...

American Physical Society2018

First Evidence for cos 2 beta > 0 and Resolution of the Cabibbo-Kobayashi-Maskawa Quark-Mixing Unitarity Triangle Ambiguity

François Bianchi, Roberto Gargiani, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Gerhard Raven, Mingkui Wang, Marilisa Neri, Liang Sun, Chao Wang, Taoufiq Harach, Songmei Wu, Yong Chan Choi, Greig Alan Cowan, Alexandra Bondarenko, Lorenzo Vitale, Seyed Sina Mirrazavi Salehian, Arnaud Michel Gelb, Aaron James Rossini, Amaury Robert Dame, Gaétan Charles Antoine Giriat, Jun Yong Kim, Mithilesh Nayak, Jiayun Shen, Armend Gazmeno Hati, John Wilson, Tara Nanut, Donghyun Kim, Martin Lubej, Lei Li, Ji Hyun Kim, Yiming Li

We present first evidence that the cosine of the CP-violating weak phase 2 beta is positive, and hence exclude trigonometric multifold solutions of the Cabibbo-Kobayashi-Maskawa (CKM) Unitarity Triangle using a time-dependent Dalitz plot analysis of B-0 -> ...

2018

Measurement of the decays Lambda c -> Sigma pi pi at Belle

Roberto Gargiani, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Chao Wang, Taoufiq Harach, Yong Chan Choi, Seyed Sina Mirrazavi Salehian, Arnaud Michel Gelb, Dipanwita Dutta, Gaétan Charles Antoine Giriat, Jun Yong Kim, Jiayun Shen, Tara Nanut, Donghyun Kim, Martin Lubej, Lei Li, Ji Hyun Kim, Yiming Li, Xiao Wang

We report measurements of the branching fractions of the decays Lambda(+)(c) -> Sigma(+)pi(-)pi(+), Lambda(+)(c) -> Sigma(0)pi(+)pi(0) and Lambda(+)(c) -> Sigma(+)pi(0)pi(0) relative to the reference channel Lambda(+)(c) -> pK(-)p(+). The analysis is based ...

American Physical Society2018

Measurement of eta(c) (1S), eta(c)(2S), and nonresonant eta 'pi(+)pi(-) production via two-photon collisions

Roberto Gargiani, Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Yong Chan Choi, Alexandra Bondarenko, Seyed Sina Mirrazavi Salehian, Arnaud Michel Gelb, Chunmin Zhang, Jun Yong Kim, Tara Nanut, Donghyun Kim, Martin Lubej, Lei Li, Ji Hyun Kim, Yiming Li, Xiao Wang

We report the measurement of gamma gamma -> eta(c) (1S) -> eta(c) (2S) -> eta'pi(+)pi(-) with eta' decays to gamma rho and eta pi(+)pi(-) using 941 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The eta(c) ...

American Physical Society2018

Observation of e(+) e(-) -> gamma chi(c1) and search for e(+) e(-) -> gamma chi(c0), gamma chi(c2), and gamma eta(c) at root s near 10.6 GeV at Belle

Roberto Gargiani, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Chao Wang, Hiroyasu Yamamoto, Timothy Chi Hin Liew, Yong Chan Choi, Seyed Sina Mirrazavi Salehian, Arnaud Michel Gelb, Tao Yang, Gaétan Charles Antoine Giriat, Jun Yong Kim, Linlin Cao, Jiayun Shen, Donghyun Kim, Martin Lubej, Chang-Hyun Park, Lei Li, Ji Hyun Kim, Yiming Li, Xiao Wang

Using data samples of 89.5 fb(-1), 711.0 fb(-1), and 121.4 fb(-1) collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider at center-of-mass energies 10.52, 10.58, and 10.867 GeV, respectively, we study the exclusive reactions e(+) ...

American Physical Society2018

Observation of gamma(2S) -> gamma eta(b)(1S) Decay

Roberto Gargiani, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Chao Wang, Yong Chan Choi, Alexandra Bondarenko, Seyed Sina Mirrazavi Salehian, Arnaud Michel Gelb, Gaétan Charles Antoine Giriat, Jun Yong Kim, Linlin Cao, Jiayun Shen, Tara Nanut, Donghyun Kim, Martin Lubej, Lei Li, Ji Hyun Kim, Yiming Li, Xiao Wang

We report the observation of gamma(2S) -> gamma eta(b)(1S) based on an analysis of the inclusive photon spectrum of 24.7 fb(-1) of e(+)e(-) collisions at the gamma(2s) center-of-mass energy collected with the Belle detector at the KEKB asymmetric-energy e( ...

2018

Search for the lepton-flavor-violating decay B-0 -> K-*0 mu(+/-)e(-/+)

Roberto Gargiani, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Chao Wang, Hiroyasu Yamamoto, Taoufiq Harach, Yong Chan Choi, Seyed Sina Mirrazavi Salehian, Arnaud Michel Gelb, Gaétan Charles Antoine Giriat, Jun Yong Kim, Linlin Cao, Jiayun Shen, Tara Nanut, Donghyun Kim, Martin Lubej, Chang-Hyun Park, Lei Li, Ji Hyun Kim, Yiming Li, Xiao Wang

We have searched for the lepton-flavor-violating decay B-0 -> K-*0 mu(+/-)e(-/+) using a data sample of 711 fb(-1) that contains 772 x 10(6) B (B) over bar pairs. The data were collected near the Upsilon(4S) resonance with the Belle detector at the KEKB as ...

American Physical Society2018

Observation of e(+) e(-) -> pi(+) pi(-) pi(0)chi(b1,2) (1P) and search for e(+) e (-) -> phi chi(b1,2) (1P) at root s=10.96-11.05 GeV

Roberto Gargiani, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Chao Wang, Hiroyasu Yamamoto, Yong Chan Choi, Seyed Sina Mirrazavi Salehian, Arnaud Michel Gelb, Gaétan Charles Antoine Giriat, Jun Yong Kim, Linlin Cao, Jiayun Shen, Tara Nanut, Donghyun Kim, Martin Lubej, Chang-Hyun Park, Lei Li, Ji Hyun Kim, Yiming Li, Xiao Wang

We report searches for the processes e(+) e(-) -> pi(+)pi(-)pi(0)chi(bJ) and e(+) e(-) -> phi chi(bJ) ( J = 1, 2) based on data samples collected by the Belle experiment at the KEKB collider. We report the first observation of the process e(+) e(-) -> (pi( ...

American Physical Society2018

Search for B- -> mu(-)(nu)over-bar(mu) Decays at the Belle Experiment

Olivier Schneider, Sun Hee Kim, Tagir Aushev, Joo Yeon Kim, Mingkui Wang, Chao Wang, Timothy Chi Hin Liew, Yong Chan Choi, Takayuki Yamashita, Seyed Sina Mirrazavi Salehian, Dipanwita Dutta, Jun Yong Kim, Tara Nanut, Donghyun Kim, Martin Lubej, Chang-Hyun Park, Ji Hyun Kim

We report the results of a search for the rare, purely leptonic decay B- -> mu(-)(nu) over bar (mu) performed with a 711 fb(-1) data sample that contains 772 x 10(6) B (B) over bar pairs, collected near the Upsilon(4S) resonance with the Belle detector at ...

2018