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$Search for \$B\$ Mesogenesis at BABAR$

Search for \$B\$ Mesogenesis at BABAR

by Coleman, J P , Fritsch, M , Gabathuler, E , Fulsom, B G , Wisniewski, W J , LoSecco, J M , F Di Lodovico , Burchat, P R , Raven, G , Patteri, P , Latham, T E , Santoro, V , Ongmongkolkul, P , Buzykaev, A R , Kowalewski, R , Flood, K T , Hearty, C , ti, F , Lange, D J , Aston, D , Chauveau, J , Gaz, A , Tisserand, V , Dittrich, S , Serednyakov, S I , Bellis, M , Jessop, C P , Garzia, I , Margoni, M , Verderi, M , Cibinetto, G , Beaulieu, A , Posocco, M , Innes, W R , Sciacca, C , Anulli, F , Giorgi, M A , Lou, X C , Prell, S , Sekula, S J , Bonneaud, G R , Eigen, G , Zani, L , Heß, M , Gorodeisky, R , Pushpawela, B G , Patrignani, C , Ferrarotto, F , Roodman, A , Casarosa, G , Nugent, I M , Shuve, B J , Oberhof, B , Wright, D M , Ocariz, J , Ahmed, H , Martellotti, S , Purohit, M V , Wilson, F F , Payne, D J , Calcaterra, A , Walsh, J J , Cenci, R , Lutz, A M , Poireau, V , Cochran, J , Middleton, S , Palombo, F , de Sangro, R , Soffer, A , Onuchin, A P , Batignani, G , Piredda, G , Graham, M T , Rotondo, M , McKenna, J A , Sobie, R J , Lafferty, G D , Taras, P , Denig, A G , Luppi, E , Hafner, A , Neri, N , Banerjee, Sw , Muller, D R , Guttman, N , Skovpen, Yu I , Kass, R , Bozzi, C , Cartaro, C , Lin, D X , Puccio, E M T , Piccolo, M , Zallo, A , Oyang, J , Marchi

in Antimatter / Baryons / Dark matter / Particle decay

2023

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Search for \$B\$ Mesogenesis at BABAR

in Antimatter / Baryons / Dark matter / Particle decay

2023

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$Search for \$B\$ Mesogenesis at BABAR$

Search for \$B\$ Mesogenesis at BABAR

in Antimatter / Baryons / Dark matter / Particle decay

2023

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$Search for \$B\$ Mesogenesis at BABAR$

Paper

Search for \$B\$ Mesogenesis at BABAR

Coleman, J P,

Fritsch, M,

Gabathuler, E,

Fulsom, B G,

Wisniewski, W J,

LoSecco, J M,

F Di Lodovico,

Burchat, P R,

Raven, G,

Patteri, P,

Latham, T E,

Santoro, V,

Ongmongkolkul, P,

Buzykaev, A R,

Kowalewski, R,

Flood, K T,

Hearty, C,

ti, F,

Lange, D J,

Aston, D,

Chauveau, J,

Gaz, A,

Tisserand, V,

Dittrich, S,

Serednyakov, S I,

Bellis, M,

Jessop, C P,

Garzia, I,

Margoni, M,

Verderi, M,

Cibinetto, G,

Beaulieu, A,

Posocco, M,

Innes, W R,

Sciacca, C,

Anulli, F,

Giorgi, M A,

Lou, X C,

Prell, S,

Sekula, S J,

Bonneaud, G R,

Eigen, G,

Zani, L,

Heß, M,

Gorodeisky, R,

Pushpawela, B G,

Patrignani, C,

Ferrarotto, F,

Roodman, A,

Casarosa, G,

Nugent, I M,

Shuve, B J,

Oberhof, B,

Wright, D M,

Ocariz, J,

Ahmed, H,

Martellotti, S,

Purohit, M V,

Wilson, F F,

Payne, D J,

Calcaterra, A,

Walsh, J J,

Cenci, R,

Lutz, A M,

Poireau, V,

Cochran, J,

Middleton, S,

Palombo, F,

de Sangro, R,

Soffer, A,

Onuchin, A P,

Batignani, G,

Piredda, G,

Graham, M T,

Rotondo, M,

McKenna, J A,

Sobie, R J,

Lafferty, G D,

Taras, P,

Denig, A G,

Luppi, E,

Hafner, A,

Neri, N,

Banerjee, Sw,

Muller, D R,

Guttman, N,

Skovpen, Yu I,

Kass, R,

Bozzi, C,

Cartaro, C,

Lin, D X,

Puccio, E M T,

Piccolo, M,

Zallo, A,

Oyang, J,

Marchi

2023

Overview

A new mechanism has been proposed to simultaneously explain the presence of dark matter and the matter-antimatter asymmetry in the universe. This scenario predicts exotic \$B\$ meson decays into a baryon and a dark sector anti-baryon (\$\\psi_D\$) with branching fractions accessible at \$B\$ factories. We present a search for \$B \\rightarrow \\Lambda \\psi_D\$ decays using data collected by the \$BABAR\$ experiment at SLAC. This reaction is identified by fully reconstructing the accompanying \$B\$ meson and requiring the presence of a single \$\\Lambda\$ baryon in the remaining particles. No significant signal is observed, and bounds on the \$B \\rightarrow \\Lambda \\psi_D\$ branching fraction are derived in the range \$0.13 - 5.2\\times 10^{-5}\$ for \$1.0 < m_{\\psi_D} < 4.2\$ GeV/\$c^{2}\$. These results set strong constraints on the parameter space allowed by the theory.

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Publisher

Cornell University Library, arXiv.org

Subject

Antimatter

/ Baryons

/ Dark matter

/ Particle decay